The Book of Secret Knowledge

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"Knowledge is powerful, be careful how you use it!"

A collection of inspiring lists, manuals, cheatsheets, blogs, hacks, one-liners, cli/web tools, and more.




:notebook_with_decorative_cover:  What is it?

This repository is a collection of various materials and tools that I use every day in my work. It contains a lot of useful information gathered in one piece. It is an invaluable source of knowledge for me that I often look back on.

:restroom:  For whom?

For everyone, really. Here everyone can find their favourite tastes. But to be perfectly honest, it is aimed towards System and Network administrators, DevOps, Pentesters, and Security Researchers.

:information_source:  Contributing

If you find something which doesn't make sense, or something doesn't seem right, please make a pull request and please add valid and well-reasoned explanations about your changes or comments.

A few simple rules for this project:

  • inviting and clear
  • not tiring
  • useful

These below rules may be better:

  • easy to contribute to (Markdown + HTML ...)
  • easy to find (simple TOC, maybe it's worth extending them?)

Url marked * is temporary unavailable. Please don't delete it without confirming that it has permanently expired.

Before adding a pull request, please see the contributing guidelines. You should also remember about this:

+ This repository is not meant to contain everything but only good quality stuff.

All suggestions/PR are welcome!

Code Contributors

This project exists thanks to all the people who contribute.

Financial Contributors

:newspaper:  RSS Feed & Updates

GitHub exposes an RSS/Atom feed of the commits, which may also be useful if you want to be kept informed about all changes.

:ballot_box_with_check:  ToDo

  • Add new stuff...
  • Add useful shell functions
  • Add one-liners for collection tools (eg. CLI Tools)
  • Sort order in lists

New items are also added on a regular basis.

:anger:  Table of Contents

Only main chapters:

:trident:  The Book of Secret Knowledge (Chapters)

CLI Tools  [TOC]

:black_small_square: Shells

   GNU Bash - is an sh-compatible shell that incorporates useful features from the Korn shell and C shell.
   Zsh - is a shell designed for interactive use, although it is also a powerful scripting language.
   tclsh - is a very powerful cross-platform shell, suitable for a huge range of uses.
   bash-it - is a framework for using, developing and maintaining shell scripts and custom commands.
   Oh My ZSH! - is the best framework for managing your Zsh configuration.
   Oh My Fish - the Fishshell framework.
   Starship - the cross-shell prompt written in Rust.
   powerlevel10k - is a fast reimplementation of Powerlevel9k ZSH theme.

:black_small_square: Shell plugins

   z - tracks the folder you use the most and allow you to jump, without having to type the whole path.
   fzf - is a general-purpose command-line fuzzy finder.
   zsh-autosuggestions - Fish-like autosuggestions for Zsh.
   zsh-syntax-highlighting - Fish shell like syntax highlighting for Zsh.
   Awesome ZSH Plugins - A list of frameworks, plugins, themes and tutorials for ZSH.

:black_small_square: Managers

   Midnight Commander - is a visual file manager, licensed under GNU General Public License.
   ranger - is a VIM-inspired filemanager for the console.
   nnn - is a tiny, lightning fast, feature-packed file manager.
   screen - is a full-screen window manager that multiplexes a physical terminal.
   tmux - is a terminal multiplexer, lets you switch easily between several programs in one terminal.
   tmux-cssh - is a tool to set comfortable and easy to use functionality tmux-sessions.

:black_small_square: Text editors

   vi - is one of the most common text editors on Unix.
   vim - is a highly configurable text editor.
   emacs - is an extensible, customizable, free/libre text editor, and more.
   micro - is a modern and intuitive terminal-based text editor.
   neovim - is a free open source, powerful, extensible and usable code editor.
   spacemacs - a community-driven Emacs distribution.
   spacevim - a community-driven vim distribution.

:black_small_square: Files and directories

   fd - is a simple, fast and user-friendly alternative to find.
   ncdu - is an easy to use, fast disk usage analyzer.

:black_small_square: Network

   PuTTY - is an SSH and telnet client, developed originally by Simon Tatham.
   Mosh - is a SSH wrapper designed to keep a SSH session alive over a volatile connection.
   Eternal Terminal - enables mouse-scrolling and tmux commands inside the SSH session.
   nmap - is a free and open source (license) utility for network discovery and security auditing.
   zmap - is a fast single packet network scanner designed for Internet-wide network surveys.
   Rust Scan - to find all open ports faster than Nmap.
   masscan - is the fastest Internet port scanner, spews SYN packets asynchronously.
   pbscan - is a faster and more efficient stateless SYN scanner and banner grabber.
   hping - is a command-line oriented TCP/IP packet assembler/analyzer.
   mtr - is a tool that combines the functionality of the 'traceroute' and 'ping' programs in a single tool.
   mylg - utility which combines the functions of the different network probes in one diagnostic tool.
   netcat - utility which reads and writes data across network connections, using the TCP/IP protocol.
   socat - utility which transfers data between two objects.
   tcpdump - is a powerful command-line packet analyzer.
   tshark - is a tool that allows us to dump and analyze network traffic (wireshark cli).
   Termshark - is a simple terminal user-interface for tshark.
   ngrep - is like GNU grep applied to the network layer.
   netsniff-ng - is a Swiss army knife for your daily Linux network plumbing if you will.
   sockdump - dump unix domain socket traffic.
   stenographer - is a packet capture solution which aims to quickly spool all packets to disk.
   tcpterm - visualize packets in TUI.
   bmon - is a monitoring and debugging tool to capture networking related statistics and prepare them visually.
   iptraf-ng - is a console-based network monitoring program for Linux that displays information about IP traffic.
   vnstat - is a network traffic monitor for Linux and BSD.
   iPerf3 - is a tool for active measurements of the maximum achievable bandwidth on IP networks.
   ethr - is a Network Performance Measurement Tool for TCP, UDP & HTTP.
   Etherate - is a Linux CLI based Ethernet and MPLS traffic testing tool.
   echoip - is a IP address lookup service.
   Nemesis - packet manipulation CLI tool; craft and inject packets of several protocols.
   packetfu - a mid-level packet manipulation library for Ruby.
   Scapy - packet manipulation library; forge, send, decode, capture packets of a wide number of protocols.
   impacket - is a collection of Python classes for working with network protocols.
   ssh-audit - is a tool for SSH server auditing.
   aria2 - is a lightweight multi-protocol & multi-source command-line download utility.
   iptables-tracer - observe the path of packets through the iptables chains.
   inception - a highly configurable tool to check for whatever you like against any number of hosts.
   mRemoteNG - a fork of mRemote, multi-tabbed PuTTy on steroids!

:black_small_square: Network (DNS)

   dnsdiag - is a DNS diagnostics and performance measurement tools.
   fierce - is a DNS reconnaissance tool for locating non-contiguous IP space.
   subfinder - is a subdomain discovery tool that discovers valid subdomains for websites.
   sublist3r - is a fast subdomains enumeration tool for penetration testers.
   amass - is tool that obtains subdomain names by scraping data sources, crawling web archives, and more.
   namebench - provides personalized DNS server recommendations based on your browsing history.
   massdns - is a high-performance DNS stub resolver for bulk lookups and reconnaissance.
   knock - is a tool to enumerate subdomains on a target domain through a wordlist.
   dnsperf - DNS performance testing tools.
   dnscrypt-proxy 2 - a flexible DNS proxy, with support for encrypted DNS protocols.
   dnsdbq - API client providing access to passive DNS database systems.
   grimd - fast dns proxy, built to black-hole internet advertisements and malware servers.
   dnstwist - detect typosquatters, phishing attacks, fraud, and brand impersonation.

:black_small_square: Network (HTTP)

   curl - is a command line tool and library for transferring data with URLs.
   kurly - is an alternative to the widely popular curl program, written in Golang.
   HTTPie - is an user-friendly HTTP client.
   wuzz - is an interactive cli tool for HTTP inspection.
   h2spec - is a conformance testing tool for HTTP/2 implementation.
   h2t - is a simple tool to help sysadmins to hardening their websites.
   htrace.sh - is a simple Swiss Army knife for http/https troubleshooting and profiling.
   httpstat - is a tool that visualizes curl statistics in a way of beauty and clarity.
   httplab - is an interactive web server.
   Lynx - is a text browser for the World Wide Web.
   Browsh - is a fully interactive, real-time, and modern text-based browser.
   HeadlessBrowsers - a list of (almost) all headless web browsers in existence.
   ab - is a single-threaded command line tool for measuring the performance of HTTP web servers.
   siege - is an http load testing and benchmarking utility.
   wrk - is a modern HTTP benchmarking tool capable of generating significant load.
   wrk2 - is a constant throughput, correct latency recording variant of wrk.
   vegeta - is a constant throughput, correct latency recording variant of wrk.
   bombardier - is a fast cross-platform HTTP benchmarking tool written in Go.
   gobench - http/https load testing and benchmarking tool.
   hey - HTTP load generator, ApacheBench (ab) replacement, formerly known as rakyll/boom.
   boom - is a script you can use to quickly smoke-test your web app deployment.
   SlowHTTPTest - is a tool that simulates some Application Layer Denial of Service attacks by prolonging HTTP.
   gobuster - is a free and open source directory/file & DNS busting tool written in Go.
   ssllabs-scan - command-line reference-implementation client for SSL Labs APIs.
   http-observatory - Mozilla HTTP Observatory cli version.
   Hurl - is a command line tool to run and test HTTP requests with plain text.

:black_small_square: SSL

   openssl - is a robust, commercial-grade, and full-featured toolkit for the TLS and SSL protocols.
   gnutls-cli - client program to set up a TLS connection to some other computer.
   sslyze - fast and powerful SSL/TLS server scanning library.
   sslscan - tests SSL/TLS enabled services to discover supported cipher suites.
   testssl.sh - testing TLS/SSL encryption anywhere on any port.
   cipherscan - a very simple way to find out which SSL ciphersuites are supported by a target.
   spiped - is a utility for creating symmetrically encrypted and authenticated pipes between socket addresses.
   Certbot - is EFF's tool to obtain certs from Let's Encrypt and (optionally) auto-enable HTTPS on your server.
   mkcert - simple zero-config tool to make locally trusted development certificates with any names you'd like.
   certstrap - tools to bootstrap CAs, certificate requests, and signed certificates.
   Sublert - is a security and reconnaissance tool to automatically monitor new subdomains.
   mkchain - open source tool to help you build a valid SSL certificate chain.
   ssl-cert-check - SSL Certification Expiration Checker.

:black_small_square: Security

   SELinux - provides a flexible Mandatory Access Control (MAC) system built into the Linux kernel.
   AppArmor - proactively protects the operating system and applications from external or internal threats.
   grapheneX - Automated System Hardening Framework.
   DevSec Hardening Framework - Security + DevOps: Automatic Server Hardening.

:black_small_square: Auditing Tools

   ossec - actively monitoring all aspects of system activity with file integrity monitoring.
   auditd - provides a way to track security-relevant information on your system.
   Tiger - is a security tool that can be use both as a security audit and intrusion detection system.
   Lynis - battle-tested security tool for systems running Linux, macOS, or Unix-based operating system.
   LinEnum - scripted Local Linux Enumeration & Privilege Escalation Checks.
   Rkhunter - scanner tool for Linux systems that scans backdoors, rootkits and local exploits on your systems.
   PE-sieve - is a light-weight tool that helps to detect malware running on the system.
   PEASS - privilege escalation tools for Windows and Linux/Unix and MacOS.

:black_small_square: System Diagnostics/Debuggers

   strace - diagnostic, debugging and instructional userspace utility for Linux.
   DTrace - is a performance analysis and troubleshooting tool.
   ltrace - is a library call tracer, used to trace calls made by programs to library functions.
   ptrace-burrito - is a friendly wrapper around ptrace.
   perf-tools - performance analysis tools based on Linux perf_events (aka perf) and ftrace.
   bpftrace - high-level tracing language for Linux eBPF.
   sysdig - system exploration and troubleshooting tool with first class support for containers.
   Valgrind - is an instrumentation framework for building dynamic analysis tools.
   gperftools - high-performance multi-threaded malloc() implementation, plus some performance analysis tools.
   glances - cross-platform system monitoring tool written in Python.
   htop - interactive text-mode process viewer for Unix systems. It aims to be a better 'top'.
   bashtop - Linux resource monitor written in pure Bash.
   nmon - a single executable for performance monitoring and data analysis.
   atop - ASCII performance monitor. Includes statistics for CPU, memory, disk, swap, network, and processes.
   lsof - displays in its output information about files that are opened by processes.
   FlameGraph - stack trace visualizer.
   lsofgraph - convert Unix lsof output to a graph showing FIFO and UNIX interprocess communication.
   rr - is a lightweight tool for recording, replaying and debugging execution of applications.
   Performance Co-Pilot - a system performance analysis toolkit.
   hexyl - a command-line hex viewer.
   Austin - Python frame stack sampler for CPython.

:black_small_square: Log Analyzers

   angle-grinder - slice and dice log files on the command line.
   lnav - log file navigator with search and automatic refresh.
   GoAccess - real-time web log analyzer and interactive viewer that runs in a terminal.
   ngxtop - real-time metrics for nginx server.

:black_small_square: Databases

   usql - universal command-line interface for SQL databases.
   pgcli - postgres CLI with autocompletion and syntax highlighting.
   mycli - terminal client for MySQL with autocompletion and syntax highlighting.
   litecli - SQLite CLI with autocompletion and syntax highlighting.
   mssql-cli - SQL Server CLI with autocompletion and syntax highlighting.
   OSQuery - is a SQL powered operating system instrumentation, monitoring, and analytics framework.
   pgsync - sync data from one Postgres database to another.
   iredis - a terminal client for redis with autocompletion and syntax highlighting.
   SchemaCrawler - generates an E-R diagram of your database.

:black_small_square: TOR

   Nipe - script to make Tor Network your default gateway.
   multitor - a tool that lets you create multiple TOR instances with a load-balancing.

:black_small_square: Messengers/IRC Clients

   Irssi - is a free open source terminal based IRC client.
   WeeChat - is an extremely extensible and lightweight IRC client.

:black_small_square: Productivity

   taskwarrior - task management system, todo list

:black_small_square: Other

   sysadmin-util - tools for Linux/Unix sysadmins.
   incron - is an inode-based filesystem notification technology.
   lsyncd - synchronizes local directories with remote targets (Live Syncing Daemon).
   GRV - is a terminal based interface for viewing Git repositories.
   Tig - text-mode interface for Git.
   tldr - simplified and community-driven man pages.
   archiver - easily create and extract .zip, .tar, .tar.gz, .tar.bz2, .tar.xz, .tar.lz4, .tar.sz, and .rar.
   commander.js - minimal CLI creator in JavaScript.
   gron - make JSON greppable!
   bed - binary editor written in Go.

GUI Tools  [TOC]

:black_small_square: Terminal emulators

   Guake - is a dropdown terminal made for the GNOME desktop environment.
   Terminator - is based on GNOME Terminal, useful features for sysadmins and other users.
   Kitty - is a GPU based terminal emulator that supports smooth scrolling and images.
   Alacritty - is a fast, cross-platform, OpenGL terminal emulator.

:black_small_square: Network

   Wireshark - is the world’s foremost and widely-used network protocol analyzer.
   Ettercap - is a comprehensive network monitor tool.
   EtherApe - is a graphical network monitoring solution.
   Packet Sender - is a networking utility for packet generation and built-in UDP/TCP/SSL client and servers.
   Ostinato - is a packet crafter and traffic generator.
   JMeter™ - open source software to load test functional behavior and measure performance.
   locust - scalable user load testing tool written in Python.

:black_small_square: Browsers

   TOR Browser - protect your privacy and defend yourself against network surveillance and traffic analysis.

:black_small_square: Password Managers

   KeePassXC - store your passwords safely and auto-type them into your everyday websites and apps.
   Bitwarden - open source password manager with built-in sync.
   Vaultwarden - unofficial Bitwarden compatible server written in Rust.

:black_small_square: Messengers/IRC Clients

   HexChat - is an IRC client based on XChat.
   Pidgin - is an easy to use and free chat client used by millions.

:black_small_square: Messengers (end-to-end encryption)

   Signal - is an encrypted communications app.
   Wire - secure messaging, file sharing, voice calls and video conferences.
   TorChat - decentralized anonymous instant messenger on top of Tor Hidden Services.
   Matrix - an open network for secure, decentralized, real-time communication.

:black_small_square: Text editors

   Sublime Text - is a lightweight, cross-platform code editor known for its speed, ease of use.
   Visual Studio Code - an open-source and free source code editor developed by Microsoft.
   Atom - a hackable text editor for the 21st Century.

Web Tools  [TOC]

:black_small_square: Browsers

   SSL/TLS Capabilities of Your Browser - test your browser's SSL implementation.
   Can I use - provides up-to-date browser support tables for support of front-end web technologies.
   Panopticlick 3.0 - is your browser safe against tracking?
   Privacy Analyzer - see what data is exposed from your browser.
   Web Browser Security - it's all about Web Browser fingerprinting.
   How's My SSL? - help a web server developer learn what real world TLS clients were capable of.
   sslClientInfo - client test (incl TLSv1.3 information).

:black_small_square: SSL/Security

   SSLLabs Server Test - performs a deep analysis of the configuration of any SSL web server.
   SSLLabs Server Test (DEV) - performs a deep analysis of the configuration of any SSL web server.
   ImmuniWeb® SSLScan - test SSL/TLS (PCI DSS, HIPAA and NIST).
   SSL Check - scan your website for non-secure content.
   SSL Scanner - analyze website security.
   CryptCheck - test your TLS server configuration (e.g. ciphers).
   urlscan.io - service to scan and analyse websites.
   Report URI - monitoring security policies like CSP and HPKP.
   CSP Evaluator - allows developers and security experts to check if a Content Security Policy.
   Useless CSP - public list about CSP in some big players (might make them care a bit more).
   Why No HTTPS? - top 100 websites by Alexa rank not automatically redirecting insecure requests.
   TLS Cipher Suite Search- cipher suite search engine.
   cipherli.st - strong ciphers for Apache, Nginx, Lighttpd, and more.*
   dhtool - public Diffie-Hellman parameter service/tool.
   badssl.com - memorable site for testing clients against bad SSL configs.
   tlsfun.de - registered for various tests regarding the TLS/SSL protocol.
   CAA Record Helper - generate a CAA policy.
   Common CA Database - repository of information about CAs, and their root and intermediate certificates.
   CERTSTREAM - real-time certificate transparency log update stream.
   crt.sh - discovers certificates by continually monitoring all of the publicly known CT.
   Hardenize - deploy the security standards.
   Cipher suite compatibility - test TLS cipher suite compatibility.
   urlvoid - this service helps you detect potentially malicious websites.
   security.txt - a proposed standard (generator) which allows websites to define security policies.
   ssl-config-generator - help you follow the Mozilla Server Side TLS configuration guidelines.
   TLScan - pure python, SSL/TLS protocol and cipher scanner/enumerator.

:black_small_square: HTTP Headers & Web Linters

   Security Headers - analyse the HTTP response headers (with rating system to the results).
   Observatory by Mozilla - set of tools to analyze your website.
   webhint - is a linting tool that will help you with your site's accessibility, speed, security, and more.

:black_small_square: DNS

   ViewDNS - one source for free DNS related tools and information.
   DNSLookup - is an advanced DNS lookup tool.
   DNSlytics - online DNS investigation tool.
   DNS Spy - monitor, validate and verify your DNS configurations.
   Zonemaster - helps you to control how your DNS works.
   Leaf DNS - comprehensive DNS tester.
   Find subdomains online - find subdomains for security assessment penetration test.
   DNSdumpster - dns recon & research, find & lookup dns records.
   DNS Table online - search for DNS records by domain, IP, CIDR, ISP.
   intoDNS - DNS and mail server health checker.
   DNS Bajaj - check the delegation of your domain.
   BuddyDNS Delegation LAB - check, trace and visualize delegation of your domain.
   dnssec-debugger - DS or DNSKEY records validator.
   PTRarchive.com - this site is responsible for the safekeeping of historical reverse DNS records.
   xip.io - wildcard DNS for everyone.
   nip.io - dead simple wildcard DNS for any IP Address.
   dnslookup (ceipam) - one of the best DNS propagation checker (and not only).
   What's My DNS - DNS propagation checking tool.
   DNSGrep - quickly searching large DNS datasets.

:black_small_square: Mail

   smtp-tls-checker - check an email domain for SMTP TLS support.
   MX Toolbox - all of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.
   Secure Email - complete email test tools for email technicians.
   blacklistalert - checks to see if your domain is on a Real Time Spam Blacklist.
   MultiRBL - complete IP check for sending Mailservers.
   DKIM SPF & Spam Assassin Validator - checks mail authentication and scores messages with Spam Assassin.

:black_small_square: Encoders/Decoders and Regex testing

   URL Encode/Decode - tool from above to either encode or decode a string of text.
   Uncoder - the online translator for search queries on log data.
   Regex101 - online regex tester and debugger: PHP, PCRE, Python, Golang and JavaScript.
   RegExr - online tool to learn, build, & test Regular Expressions (RegEx / RegExp).
   RegEx Testing - online regex testing tool.
   RegEx Pal - online regex testing tool + other tools.
   The Cyber Swiss Army Knife - a web app for encryption, encoding, compression and data analysis.

:black_small_square: Net-tools

   Netcraft - detailed report about the site, helping you to make informed choices about their integrity.*
   RIPE NCC Atlas - a global, open, distributed Internet measurement platform.
   Robtex - uses various sources to gather public information about IP numbers, domain names, host names, etc.
   Security Trails - APIs for Security Companies, Researchers and Teams.
   Online Curl - curl test, analyze HTTP Response Headers.
   Online Tools for Developers - HTTP API tools, testers, encoders, converters, formatters, and other tools.
   Ping.eu - online Ping, Traceroute, DNS lookup, WHOIS and others.
   Network-Tools - network tools for webmasters, IT technicians & geeks.
   BGPview - search for any ASN, IP, Prefix or Resource name.
   Is BGP safe yet? - check BGP (RPKI) security of ISPs and other major Internet players.
   Riseup - provides online communication tools for people and groups working on liberatory social change.
   VirusTotal - analyze suspicious files and URLs to detect types of malware.

:black_small_square: Privacy

   privacyguides.org - provides knowledge and tools to protect your privacy against global mass surveillance.
   DNS Privacy Test Servers - DNS privacy recursive servers list (with a 'no logging' policy).

:black_small_square: Code parsers/playgrounds

   ShellCheck - finds bugs in your shell scripts.
   explainshell - get interactive help texts for shell commands.
   jsbin - live pastebin for HTML, CSS & JavaScript, and more.
   CodeSandbox - online code editor for web application development.
   PHP Sandbox - test your PHP code with this code tester.
   Repl.it - an instant IDE to learn, build, collaborate, and host all in one place.
   vclFiddle - is an online tool for experimenting with the Varnish Cache VCL.
   Haskell Dockerfile Linter - a smarter Dockerfile linter that helps you build best practice Docker images.

:black_small_square: Performance

   GTmetrix - analyze your site’s speed and make it faster.
   Sucuri loadtimetester - test here the performance of any of your sites from across the globe.
   Pingdom Tools - analyze your site’s speed around the world.
   PingMe.io - run website latency tests across multiple geographic regions.
   PageSpeed Insights - analyze your site’s speed and make it faster.
   web.dev - helps developers like you learn and apply the web's modern capabilities to your own sites and apps.
   Lighthouse - automated auditing, performance metrics, and best practices for the web.

:black_small_square: Mass scanners (search engines)

   Censys - platform that helps information security practitioners discover, monitor, and analyze devices.
   Shodan - the world's first search engine for Internet-connected devices.
   Shodan 2000 - this tool looks for randomly generated data from Shodan.
   GreyNoise - mass scanner such as Shodan and Censys.
   ZoomEye - search engine for cyberspace that lets the user find specific network components.
   netograph - tools to monitor and understand deep structure of the web.
   FOFA - is a cyberspace search engine.
   onyphe - is a search engine for open-source and cyber threat intelligence data collected.
   IntelligenceX - is a search engine and data archive.
   binaryedge - it scan the entire internet space and create real-time threat intelligence streams and reports.
   Spyse - Internet assets registry: networks, threats, web objects, etc.
   wigle - is a submission-based catalog of wireless networks. All the networks. Found by Everyone.
   PublicWWW - find any alphanumeric snippet, signature or keyword in the web pages HTML, JS and CSS code.
   IntelTechniques - this repository contains hundreds of online search utilities.
   hunter - lets you find email addresses in seconds and connect with the people that matter for your business.
   GhostProject? - search by full email address or username.
   databreaches - was my email affected by data breach?
   We Leak Info - world's fastest and largest data breach search engine.
   Pulsedive - scans of malicious URLs, IPs, and domains, including port scans and web requests.
   Buckets by Grayhatwarfar - database with public search for Open Amazon S3 Buckets and their contents.
   Vigilante.pw - the breached database directory.
   builtwith - find out what websites are built with.
   NerdyData - search the web's source code for technologies, across millions of sites.
   zorexeye - search for sites, images, apps, softwares & more.
   Mamont's open FTP Index - if a target has an open FTP site with accessible content it will be listed here.
   OSINT Framework - focused on gathering information from free tools or resources.
   maltiverse - is a service oriented to cybersecurity analysts.
   Leaked Source - is a collaboration of data found online in the form of a lookup.
   We Leak Info - to help everyday individuals secure their online life, avoiding getting hacked.
   pipl - is the place to find the person behind the email address, social username or phone number.
   abuse.ch - is operated by a random swiss guy fighting malware for non-profit.
   malc0de - malware search engine.
   Cybercrime Tracker - monitors and tracks various malware families that are used to perpetrate cyber crimes.
   shhgit - find GitHub secrets in real time.
   searchcode - helping you find real world examples of functions, API's and libraries.
   Insecam - the world biggest directory of online surveillance security cameras.
   index-of - contains great stuff like: security, hacking, reverse engineering, cryptography, programming etc.
   Rapid7 Labs Open Data - is a great resources of datasets from Project Sonar.
   Common Response Headers - the largest database of HTTP response headers.
   InQuest Labs - InQuest Labs is an open, interactive, and API driven data portal for security researchers.

:black_small_square: Generators

   thispersondoesnotexist - generate fake faces in one click - endless possibilities.
   AI Generated Photos - 100.000 AI generated faces.
   fakenamegenerator - your randomly generated identity.
   Intigriti Redirector - open redirect/SSRF payload generator.

:black_small_square: Passwords

   have i been pwned? - check if you have an account that has been compromised in a data breach.
   dehashed - is a hacked database search engine.
   Leaked Source - is a collaboration of data found online in the form of a lookup.

:black_small_square: CVE/Exploits databases

   CVE Mitre - list of publicly known cybersecurity vulnerabilities.
   CVE Details - CVE security vulnerability advanced database.
   Exploit DB - CVE compliant archive of public exploits and corresponding vulnerable software.
   0day.today - exploits market provides you the possibility to buy/sell zero-day exploits.
   sploitus - the exploit and tools database.
   cxsecurity - free vulnerability database.
   Vulncode-DB - is a database for vulnerabilities and their corresponding source code if available.
   cveapi - free API for CVE data.

:black_small_square: Mobile apps scanners

   ImmuniWeb® Mobile App Scanner - test security and privacy of mobile apps (iOS & Android).
   Quixxi - free Mobile App Vulnerability Scanner for Android & iOS.
   Ostorlab - analyzes mobile application to identify vulnerabilities and potential weaknesses.

:black_small_square: Private Search Engines

   Startpage - the world's most private search engine.
   searX - a privacy-respecting, hackable metasearch engine.
   darksearch - the 1st real Dark Web search engine.
   Qwant - the search engine that respects your privacy.
   DuckDuckGo - the search engine that doesn't track you.
   Swisscows - privacy safe web search
   Disconnect - the search engine that anonymizes your searches.
   MetaGer - the search engine that uses anonymous proxy and hidden Tor branches.

:black_small_square: Secure Webmail Providers

   CounterMail - online email service, designed to provide maximum security and privacy.
   Mail2Tor - is a Tor Hidden Service that allows anyone to send and receive emails anonymously.
   Tutanota - is the world's most secure email service and amazingly easy to use.
   Protonmail - is the world's largest secure email service, developed by CERN and MIT scientists.
   Startmail - private & encrypted email made easy.

:black_small_square: Crypto

   Keybase - it's open source and powered by public-key cryptography.

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MARKDOWN METRICS
19731words
532headings
150links
294code blocks
MDRSS ASSESSMENT
Evidence0/100medium confidence
Why MDRSS assigned this score
  • Imported from the supplied mdrss-final-2026-08-04 content base.
  • Source URL is recorded as provenance.
  • Agent usefulness score: 84/100.
Evidence (1)

Discussion 0

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