Tools / Other

• PETEP (⭐97) - Extensible TCP/UDP proxy with GUI for traffic analysis & modification with SSL/TLS support.

tools / Other

• The Cyberclopaedia - The open-source encyclopedia of cybersecurity. GitHub Repository (⭐150)

Tutorials

• Roppers Computing Fundamentals
  • Free, self-paced curriculum that builds a base of knowledge in computers and networking. Intended to build up a student with no prior technical knowledge to be confident in their ability to learn anything and continue their security education. Full text available as a gitbook.

Bug bounty - Earn Some Money / Other

• Intigriti Europe's #1 ethical hacking and bug bounty program.

General / Other

• Roppers CTF Fundamentals Course - Free course designed to get a student crushing CTFs as quickly as possible. Teaches the mentality and skills required for crypto, forensics, and more. Full text available as a gitbook.

tools / Other

• Roppers Security Fundamentals - Free course that teaches a beginner how security works in the real world. Learn security theory and execute defensive measures so that you are better prepared against threats online and in the physical world. Full text available as a gitbook.

• Roppers Practical Networking - A hands-on, wildly practical introduction to networking and making packets dance. No wasted time, no memorizing, just learning the fundamentals.

Docker Images for Penetration Testing & Security

• docker pull kalilinux/kali-linux-docker official Kali Linux

Tools / Other

• Shodan - A web-crawling search engine that lets users search for various types of servers connected to the internet.

• masscan (⭐22k) - Internet scale portscanner.

• Keyscope (⭐369) - an extensible key and secret validation tool for auditing active secrets against multiple SaaS vendors

• CyLR (⭐579) - NTFS forensic image collector

• CAINE- CAINE is a Ubuntu-based app that offers a complete forensic environment that provides a graphical interface. This tool can be integrated into existing software tools as a module. It automatically extracts a timeline from RAM.

Online resources / Other

• Security related Operating Systems @ Rawsec - Complete list of security related operating systems

tools / Other

• Rawsec's CyberSecurity Inventory - An open-source inventory of tools, resources, CTF platforms and Operating Systems about CyberSecurity. (Source)

Tools / Other

• Decompiler.com - Java, Android, Python, C# online decompiler.

Web / Other

• TryHackMe - Hands-on cyber security training through real-world scenarios.

Tools / Other

• Netz (⭐360) - Discover internet-wide misconfigurations, using zgrab2 and others.

Tools / Other

• CSP Scanner - Analyze a site's Content-Security-Policy (CSP) to find bypasses and missing directives.

• RustScan (⭐11k) - Extremely fast port scanner built with Rust, designed to scan all ports in a couple of seconds and utilizes nmap to perform port enumeration in a fraction of the time.

Tutorials

• Exploit Writing Tutorials for Pentesters

• Lena151: Reversing With Lena

Docker Images for Penetration Testing & Security

• docker pull metasploitframework/metasploit-framework - Official Metasploit

• docker pull noncetonic/archlinux-pentest-lxde - Arch Linux Penetration Tester

Disassemblers and debuggers

• Ghidra - A software reverse engineering (SRE) suite of tools developed by NSA's Research Directorate in support of the Cybersecurity mission

Binary files examination and editing / Other

• Kaitai Struct (⭐3.7k) - a DSL for creating parsers in a variety of programming languages. The Web IDE is particularly useful for reverse-engineering.

Tools / Other

• Git-Scanner (⭐320) - A tool for bug hunting or pentesting for targeting websites that have open .git repositories available in public

Competition / Other

• prompt(1) to win - XSS Challenges

Tools / Other

• PhpSploit (⭐2.1k) - Full-featured C2 framework which silently persists on webserver via evil PHP oneliner

Tools / Other

• Ciphey (⭐15k) - Automated decryption tool using artificial intelligence & natural language processing.

Docker Images for Penetration Testing & Security

• docker pull vulnerables/web-owasp-nodegoat - OWASP NodeGoat (⭐1.8k)

Tutorials

• Begin RE: A Reverse Engineering Tutorial Workshop

• Malware Unicorn Reverse Engineering Tutorial

Tutorials

• Shells

• Missing Semester

Tools

• Hackers tools - Tutorial on tools.

Tools / Other

• Scapy (⭐167) - A Python tool and library for low level packet creation and manipulation

Tools / Other

• Spyse - Data gathering service that collects web info using OSINT. Provided info: IPv4 hosts, domains/whois, ports/banners/protocols, technologies, OS, AS, maintains huge SSL/TLS DB, and more... All the data is stored in its own database allowing get the data without scanning.

• Findsubdomains - A subdomains discovery tool that collects all possible subdomains from open source internet and validates them through various tools to provide accurate results.

Competition / Other

• HackTheBox

tools / Other

• ebowla (⭐717) - Framework for Making Environmental Keyed Payloads

Tools / Other

• IPED - Indexador e Processador de Evidências Digitais - Brazilian Federal Police Tool for Forensic Investigation

System / Other

• HackingLab

Web / Other

• fuzzy.land - Website by an Austrian group. Lots of challenges taken from CTFs they participated in.

Tools / Other

• findsubdomains - really fast subdomains scanning service that has much greater opportunities than simple subs finder(works using OSINT).

• cirt-fuzzer - A simple TCP/UDP protocol fuzzer.

• ASlookup - a useful tool for exploring autonomous systems and all related info (CIDR, ASN, Org...)

tools / Other

• PowerSploit (⭐11k) - A PowerShell post exploitation framework

Decompilers

• JD-GUI (⭐13k)

• Python
  • uncompyle6 (⭐3.4k) - decompiler for the over 20 releases and 20 years of CPython.

Binary files examination and editing / Hex editors

• Synalize It/Hexinator -

Competition / Other

• Pico CTF

General / Other

• Strong node.js (⭐490) - An exhaustive checklist to assist in the source code security analysis of a node.js web service.

Tools / Other

• badtouch (⭐371) - Scriptable network authentication cracker

• sniffglue (⭐997) - Secure multithreaded packet sniffer

Bug bounty - Earn Some Money / Other

• Bugcrowd

• Hackerone

Disassemblers and debuggers

• x64dbg (⭐42k) - An open-source x64/x32 debugger for Windows

• Capstone (⭐6.8k)

Decompilers

• JVM-based languages

• Krakatau (⭐1.9k) - the best decompiler I have used. Is able to decompile apps written in Scala and Kotlin into Java code. JD-GUI and Luyten have failed to do it fully.

• procyon
  • Luyten (⭐4.9k) - one of the best, though a bit slow, hangs on some binaries and not very well maintained.

• JAD - JAD Java Decompiler (closed-source, unmaintained)

• JADX (⭐38k) - a decompiler for Android apps. Not related to JAD.

• .net-based languages
  • dotPeek - a free-of-charge .NET decompiler from JetBrains
  • ILSpy (⭐19k) - an open-source .NET assembly browser and decompiler
  • dnSpy (⭐25k) - .NET assembly editor, decompiler, and debugger

• native code
  • Hopper - A OS X and Linux Disassembler/Decompiler for 32/64-bit Windows/Mac/Linux/iOS executables.
  • cutter - a decompiler based on radare2.
  • retdec (⭐7.6k)
  • snowman (⭐2.3k)
  • Hex-Rays

Deobfuscators

• de4dot (⭐6.6k) - .NET deobfuscator and unpacker.

• JS Beautifier (⭐8.3k)

• JS Nice - a web service guessing JS variables names and types based on the model derived from open source.

Other

• nudge4j (⭐154) - Java tool to let the browser talk to the JVM

• dex2jar (⭐12k) - Tools to work with Android .dex and Java .class files

• androguard - Reverse engineering, malware and goodware analysis of Android applications

• antinet (⭐289) - .NET anti-managed debugger and anti-profiler code

• UPX - the Ultimate Packer (and unpacker) for eXecutables

Execution logging and tracing

• Wireshark - A free and open-source packet analyzer

• tcpdump - A powerful command-line packet analyzer; and libpcap, a portable C/C++ library for network traffic capture

• mitmproxy (⭐33k) - An interactive, SSL-capable man-in-the-middle proxy for HTTP with a console interface

• Charles Proxy - A cross-platform GUI web debugging proxy to view intercepted HTTP and HTTPS/SSL live traffic

• usbmon - USB capture for Linux.

• USBPcap (⭐840) - USB capture for Windows.

• dynStruct (⭐309) - structures recovery via dynamic instrumentation.

• drltrace (⭐365) - shared library calls tracing.

Binary files examination and editing / Hex editors

• HxD - A hex editor which, additionally to raw disk editing and modifying of main memory (RAM), handles files of any size

• WinHex - A hexadecimal editor, helpful in the realm of computer forensics, data recovery, low-level data processing, and IT security

• wxHexEditor (⭐515)

Binary files examination and editing / Other

• Binwalk (⭐9.9k) - Detects signatures, unpacks archives, visualizes entropy.

• Veles (⭐1k) - a visualizer for statistical properties of blobs.

• Protobuf inspector (⭐862)

• DarunGrim (⭐359) - executable differ.

• DBeaver (⭐35k) - a DB editor.

• Dependencies (⭐7.6k) - a FOSS replacement to Dependency Walker.

• PEview - A quick and easy way to view the structure and content of 32-bit Portable Executable (PE) and Component Object File Format (COFF) files

• BinText - A small, very fast and powerful text extractor that will be of particular interest to programmers.

tools / Other

• empire (⭐7.2k) - A post exploitation framework for powershell and python.

• silenttrinity (⭐2.1k) - A post exploitation tool that uses iron python to get past powershell restrictions.

Docker Images for Penetration Testing & Security

• docker pull phocean/msf - Docker Metasploit

Tools / Other

• Nipe (⭐1.8k) - A script to make Tor Network your default gateway.

Tools / Other

• Amass (⭐11k) - In-depth subdomain enumeration tool that performs scraping, recursive brute forcing, crawling of web archives, name altering and reverse DNS sweeping

Tools / Other

• NoSQLMap (⭐2.7k) - Automated NoSQL database enumeration and web application exploitation tool.

• VHostScan (⭐1.1k) - A virtual host scanner that performs reverse lookups, can be used with pivot tools, detect catch-all scenarios, aliases and dynamic default pages.

• SubFinder (⭐8.7k) - SubFinder is a subdomain discovery tool that discovers valid subdomains for any target using passive online sources.

Competition / Other

• ZeroDays CTF

• Insomni’hack

Tools / Other

• ssh-mitm (⭐1.6k) - An SSH/SFTP man-in-the-middle tool that logs interactive sessions and passwords.

Web / Other

• Gruyere

• Others

Tools / Other

• Autopsy - A digital forensics platform and graphical interface to The Sleuth Kit and other digital forensics tools

Bug bounty / Other

• Awesome bug bounty resources by EdOverflow (⭐5.4k)

General / Other

• Movies For Hackers (⭐10k) - A curated list of movies every hacker & cyberpunk must watch.

Tutorials

• Understanding the basics of Linux Binary Exploitation (⭐1.2k)

Web / Other

• Hack The Box - a free site to perform pentesting in a variety of different systems.

Tools / Other

• Wifi Jammer - Free program to jam all wifi clients in range

• Firesheep - Free program for HTTP session hijacking attacks.

Tools / Other

• Habu (⭐836) - Python Network Hacking Toolkit

General / Other

• Hack+ - An Intelligent network of bots that fetch the latest InfoSec content.

Tools / Other

• Paros - A Java-based HTTP/HTTPS proxy for assessing web application vulnerability

• mitmsocks4j (⭐31) - Man-in-the-middle SOCKS Proxy for Java

• sleuthkit (⭐2.4k) - A library and collection of command-line digital forensics tools

• EnCase - The shared technology within a suite of digital investigations products by Guidance Software

• xortool (⭐1.3k) - A tool to analyze multi-byte XOR cipher

General / Other

• Pentest Cheat Sheets (⭐3.6k) - Collection of cheat sheets useful for pentesting

Online resources / Other

• Best Linux Penetration Testing Distributions @ CyberPunk - Description of main penetration testing distributions

• Security @ Distrowatch - Website dedicated to talking about, reviewing and keeping up to date with open source operating systems

Disassemblers and debuggers

• ScratchABit (⭐390) - Easily retargetable and hackable interactive disassembler with IDAPython-compatible plugin API

Docker Images for Penetration Testing & Security

• docker pull owasp/zap2docker-stable - official OWASP ZAP (⭐12k)

• docker pull wpscanteam/wpscan - official WPScan

• docker pull citizenstig/dvwa - Damn Vulnerable Web Application (DVWA)

• docker pull wpscanteam/vulnerablewordpress - Vulnerable WordPress Installation

• docker pull hmlio/vaas-cve-2014-6271 - Vulnerability as a service: Shellshock

• docker pull hmlio/vaas-cve-2014-0160 - Vulnerability as a service: Heartbleed

• docker pull opendns/security-ninjas - Security Ninjas

• docker pull diogomonica/docker-bench-security - Docker Bench for Security

• docker pull ismisepaul/securityshepherd - OWASP Security Shepherd

• docker pull danmx/docker-owasp-webgoat - OWASP WebGoat Project docker image

• docker pull citizenstig/nowasp - OWASP Mutillidae II Web Pen-Test Practice Application

• docker pull bkimminich/juice-shop - OWASP Juice Shop (⭐9k)

General / Other

• Rookit Arsenal - OS RE and rootkit development

Disassemblers and debuggers

• plasma (⭐3k) - Interactive disassembler for x86/ARM/MIPS. Generates indented pseudo-code with colored syntax code.

Reverse Engineering / Other

• Crackmes.de - The world first and largest community website for crackmes and reversemes.

Tools / Other

• pig (⭐452) - A Linux packet crafting tool

General

• Exploit database - An ultimate archive of exploits and vulnerable software

Tools / Other

• nmap - Nmap (Network Mapper) is a security scanner

Web / Other

• 0xf.at - a website without logins or ads where you can solve password-riddles (so called hackits).

Competition / Other

• PHD CTF

General / Other

• CTF archives (shell-storm)

Disassemblers and debuggers

• radare2 (⭐19k) - A portable reversing framework

Tutorials

• Corelan Team's Exploit writing tutorial

• Malware Analysis Tutorials: a Reverse Engineering Approach

Tools

• Metasploit (⭐32k) A computer security project that provides information about security vulnerabilities and aids in penetration testing and IDS signature development.

• mimikatz (⭐18k) - A little tool to play with Windows security

Disassemblers and debuggers

• IDA - IDA is a Windows, Linux or Mac OS X hosted multi-processor disassembler and debugger

• OllyDbg - A 32-bit assembler level analysing debugger for Windows

General / Other

• Open Malware

• CTFtime.org - All about CTF (Capture The Flag)

• WeChall

Tools / Other

• sqlmap (⭐29k) - Automatic SQL injection and database takeover tool

• tools.web-max.ca - base64 base85 md4,5 hash, sha1 hash encoding/decoding

• NetworkMiner - A Network Forensic Analysis Tool (NFAT)

• ZAP - The Zed Attack Proxy (ZAP) is an easy to use integrated penetration testing tool for finding vulnerabilities in web applications

• Aircrack-ng - An 802.11 WEP and WPA-PSK keys cracking program

• malzilla - Malware hunting tool

• John the Ripper - A fast password cracker

• Aircrack - Aircrack is 802.11 WEP and WPA-PSK keys cracking program.

System / Other

• OverTheWire - Semtex

• OverTheWire - Vortex

• OverTheWire - Drifter

• pwnable.kr - Provide various pwn challenges regarding system security

• Exploit Exercises - Nebula

• SmashTheStack

Reverse Engineering / Other

• Reversing.kr - This site tests your ability to Cracking & Reverse Code Engineering

• CodeEngn - (Korean)

• simples.kr - (Korean)

Web / Other

• Hack This Site! - a free, safe and legal training ground for hackers to test and expand their hacking skills

• Webhacking.kr

Cryptography / Other

• OverTheWire - Krypton

Competition / Other

• DEF CON

• CSAW CTF

• hack.lu CTF

• Pliad CTF

• RuCTFe

• Ghost in the Shellcode

• SECUINSIDE CTF

• Codegate CTF

• Boston Key Party CTF

tools / Other

• SecTools - Top 125 Network Security Tools