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@karanlyons
karanlyons / log4shell_regexes.py
Last active March 7, 2022 03:49
log4shell Regexes
import re
from urllib.parse import unquote
FLAGS = re.IGNORECASE | re.DOTALL
ESC_DOLLAR = r'(?:\$|[\\%]u0024||\\x24|\\0?44|%24)'
ESC_LCURLY = r'(?:\{|[\\%]u007B|\\x7B|\\173|%7B)'
ESC_RCURLY = r'(?:\}|[\\%]u007D|\\x7D|\\175|%7D)'
_U_PERCENT_ESCAPE_RE = re.compile(r'%(u[0-9a-f]{4})', flags=FLAGS)
_PERCENT_ESCAPE_RE = re.compile(r'%[0-9a-f]{2}', flags=FLAGS)
@kainjow
kainjow / libproc_example.swift
Created November 24, 2018 20:09
Swift example of C libproc API
import Darwin
// Call proc_listallpids once with nil/0 args to get the current number of pids
let initialNumPids = proc_listallpids(nil, 0)
// Allocate a buffer of these number of pids.
// Make sure to deallocate it as this class does not manage memory for us.
let buffer = UnsafeMutablePointer<pid_t>.allocate(capacity: Int(initialNumPids))
defer {
buffer.deallocate()
@netbiosX
netbiosX / Shellcode.cs
Created June 6, 2017 00:22
C# file that contains shellcode and bypasses AppLocker via Assembly Load
using System;
using System.Net;
using System.Diagnostics;
using System.Reflection;
using System.Configuration.Install;
using System.Runtime.InteropServices;
 
/*
Author: Casey Smith, Twitter: @subTee
License: BSD 3-Clause
@jaredcatkinson
jaredcatkinson / Get-InjectedThread.ps1
Last active April 22, 2024 19:09
Code from "Taking Hunting to the Next Level: Hunting in Memory" presentation at SANS Threat Hunting Summit 2017 by Jared Atkinson and Joe Desimone
function Get-InjectedThread
{
<#
.SYNOPSIS
Looks for threads that were created as a result of code injection.
.DESCRIPTION
import binascii
import sys
file_name = sys.argv[1]
with open (file_name) as f:
hexdata = binascii.hexlify(f.read())
hexlist = map(''.join, zip(hexdata[::2], hexdata[1::2]))
shellcode = ''
for i in hexlist:
shellcode += "0x{},".format(i)
@michaljemala
michaljemala / tls-client.go
Last active April 10, 2024 01:57
SSL Client Authentication Golang sample
package main
import (
"crypto/tls"
"crypto/x509"
"flag"
"io/ioutil"
"log"
"net/http"
)