Proof-of-concept obfuscation toolkit for C# post-exploitation tools

Overview

InvisibilityCloak

Proof-of-concept obfuscation toolkit for C# post-exploitation tools. This will perform the below actions for a C# visual studio project.

  • Change the tool name
  • Change the project GUID
  • Obfuscate compatible strings in source code files based on obfuscation method entered by user
  • Removes one-line comments (e.g. // this is a comment)
  • Remove PDB string option for compiled release .NET assembly

Blog Post: https://securityintelligence.com/posts/invisibility-cloak-obfuscate-c-tools-evade-signature-based-detection

String Candidates Not Obfuscated

The below string candidates are not included in obfuscation

  • Strings less than 3 characters
  • Strings using string interpolation (e.g., Console.WriteLine($"Hello, {name}! Today is {date.DayOfWeek}, it's {date:HH:mm} now.");)
  • Case statements as they need to be static values
  • Const vars as they need to be static values
  • Strings in method signatures as they need to be static values
  • Strings within Regexes
  • Override strings as they need to be static values
  • The below random edge cases for strings, as they have caused issues when encoding/decoding
    • String starting with or ending with '
    • ""' in the line
    • + @" in the line
    • """ in the line

Support Information

  • Windows
  • Linux (Debian-based systems)
  • Python3

Arguments/Options

  • -d, --directory - directory where your visual studio project is located
  • -m, --method - obfuscation method (base64, rot13)
  • -n, --name - name of your new tool
  • -h, --help - help menu
  • --version - get version of tool

Usage/Examples

python InvisibilityCloak.py -d /path/to/project -n "TotallyLegitTool" -m base64

python InvisibilityCloak.py -d C:\path\to\project -n "TotallyLegitTool" -m base64

python InvisibilityCloak.py -d /path/to/project -n "TotallyLegitTool" -m rot13

python InvisibilityCloak.py -d C:\path\to\project -n "TotallyLegitTool" -m rot13

Output

Below is what the output would look like when running the tool.

screenshot

Below is the difference in Seatbelt between unobfuscated and then obfuscated version with InvisibilityCloak against Microsoft Defender using Defender Check.

screenshot

一款针对向日葵的识别码和验证码提取工具

Sunflower_get_Password 一款针对向日葵的识别码和验证码提取工具 👮🏻‍♀️ 免责声明 由于传播、利用Sunflower_get_Password工具提供的功能而造成的任何直接或者间接的后果及损失,均由使用者本人负责,本人不为此承担任何责任。 安装环境 本工具使用Python

635 Dec 20, 2022
Operational information regarding the vulnerability in the Log4j logging library.

Log4j Vulnerability (CVE-2021-44228) This repo contains operational information regarding the vulnerability in the Log4j logging library (CVE-2021-442

Nationaal Cyber Security Centrum (NCSC-NL) 1.9k Dec 26, 2022
CVE-2022-1388 F5 BIG-IP iControl REST Auth Bypass RCE

CVE-2022-1388 CVE-2022-1388 F5 BIG-IP iControl REST Auth Bypass RCE. POST /mgmt/tm/util/bash HTTP/1.1 Host: Accept-Encoding: gzip, deflate Accept: */

M4rtin Hsu 81 Dec 12, 2022
A compact version of EDI-Vetter, which uses the TLS output to quickly vet transit signals.

A compact version of EDI-Vetter, which uses the TLS output to quickly vet transit signals. All your favorite hits in a simplified format.

Jon Zink 2 Aug 03, 2022
CVE-2021-26084 - Confluence Pre-Auth RCE OGNL injection

CVE-2021-26084 - Confluence Pre-Auth RCE OGNL injection Usage usage: cve-2021-26084_confluence_rce.py [-h] --url URL [--cmd CMD] [--shell] CVE-2021-2

r0cky 92 Jul 20, 2022
The Easiest Way To Gallery Hacking

The easiest way to HACK A GALLARY, Get every part of your friends' gallery ( 100% Working ) | Tool By John Kener 🇱🇰

John Kener 34 Nov 30, 2022
Polkit - Local Privilege Escalation (CVE-2021-3560)

CVE-2021-3560 Polkit - Local Privilege Escalation Original discovery by kevin_backhouse from GitHub Security Lab References https://github.blog/2021-0

Salman Asad 1 Nov 12, 2021
HTTP security headers for Flask

Talisman: HTTP security headers for Flask Talisman is a small Flask extension that handles setting HTTP headers that can help protect against a few co

Google Cloud Platform 854 Dec 30, 2022
Exploit tool for Adminer 1.0 up to 4.6.2 Arbitrary File Read vulnerability

AdminerRead Exploit tool for Adminer 1.0 up to 4.6.2 Arbitrary File Read vulnerability Installation git clone https://github.com/p0dalirius/AdminerRea

Podalirius 58 Dec 05, 2022
Fuck - Multi Brute Force 🚶‍♂

f-mbf Fuck - Multi Brute Force 🚶‍♂ Install Script $ pkg update && pkg upgrade $ pkg install python2 $ pkg install git $ pip2 install requests $ pip2

Yumasaa 1 Dec 03, 2021
CloudFlare reconnaissance, tries to uncover the IP behind CF.

CloudFlare reconnaissance, tries to uncover the IP behind CF.

Neospace 8 Dec 03, 2021
Uses Sharphound, Bloodhound and Neo4j to produce an actionable list of attack paths for targeted remediation.

GoodHound ______ ____ __ __ / ____/___ ____ ____/ / / / /___ __ ______ ____/ / / / __/ __ \/ __ \/ __

idna 352 Jan 02, 2023
HatSploit native powerful payload generation and shellcode injection tool that provides support for common platforms and architectures.

HatVenom HatSploit native powerful payload generation and shellcode injection tool that provides support for common platforms and architectures. Featu

EntySec 100 Dec 23, 2022
CVE-2022-22965 : about spring core rce

CVE-2022-22965: Spring-Core-Rce EXP 特性: 漏洞探测(不写入 webshell,简单字符串输出) 自定义写入 webshell 文件名称及路径 不会追加写入到同一文件中,每次检测写入到不同名称 webshell 文件 支持写入 冰蝎 webshell 代理支持,可

东方有鱼名为咸 53 Nov 09, 2022
一个自动挖掘漏洞的框架,日后会发展成强大的信息收集+漏洞挖掘脚本!

介绍 工具介绍 这是一款致力于将各类优秀脚本集合在一起调用、联动,最终可形成超级渗透脚本的工具。目的是扫描到更全的资产信息,发现更多的漏洞利用。但是这是通过牺牲扫描速度来提升扫描广度的。所以不太适合要进行紧急信息收集和漏洞利用的情况。

Thinking rookie 23 Jul 05, 2022
Sudo Baron Samedit Exploit

CVE-2021-3156 (Sudo Baron Samedit) This repository is CVE-2021-3156 exploit targeting Linux x64. For writeup, please visit https://datafarm-cybersecur

Worawit Wang 559 Jan 03, 2023
Simples brute forcer de diretorios para web pentest.

🦑 dirbruter Simples brute forcer de diretorios para web pentest. ❕ Atenção Não ataque sites privados. Isto é illegal. 🖥️ Pré-requisitos Ultima versã

Dio brando 6 Jan 22, 2022
You can crack any zip file and get the password.

Zip-Cracker Video Lesson : This is a Very powerfull Zip File Crack tool for termux users. Check 500 000 Passwords in 30 seconds Unique Performance Che

Razor Kenway 13 Oct 24, 2022
Scan publicly accessible assets on your AWS cloud environment

poro Description Scan for publicly accessible assets on your AWS environment Services covered by this tool: AWS ELB API Gateway S3 Buckets RDS Databas

9rnt 134 Dec 16, 2022
HatSploit collection of generic payloads designed to provide a wide range of attacks without having to spend time writing new ones.

HatSploit collection of generic payloads designed to provide a wide range of attacks without having to spend time writing new ones.

EntySec 5 May 10, 2022