Merge branch 'master' into osti

README.md

@@ -82,6 +82,31 @@ Before adding a pull request, please see the **[contributing guidelines](.github
 
 All **suggestions/PR** are welcome!
 
+### Code Contributors
+
+This project exists thanks to all the people who contribute.
+
+<a href="https://github.com/trimstray/the-book-of-secret-knowledge/graphs/contributors"><img src="https://opencollective.com/the-book-of-secret-knowledge/contributors.svg?width=890&button=false"></a>
+
+### Financial Contributors
+
+<p align="left">
+  <a href="https://opencollective.com/the-book-of-secret-knowledge" alt="Financial Contributors on Open Collective">
+    <img src="https://img.shields.io/opencollective/backers/the-book-of-secret-knowledge?style=for-the-badge&color=FF4500&labelColor=A9A9A9"></a>
+  </a>
+  <a href="https://opencollective.com/the-book-of-secret-knowledge" alt="Financial Contributors on Open Collective">
+    <img src="https://img.shields.io/opencollective/sponsors/the-book-of-secret-knowledge?style=for-the-badge&color=FF4500&labelColor=A9A9A9"></a>
+  </a>
+</p>
+
+#### Individuals
+
+Become a financial contributor and help us sustain our community **[» contribute](https://opencollective.com/the-book-of-secret-knowledge/contribute)**.
+
+#### Organizations
+
+Support this project with your organization. Your logo will show up here with a link to your website **[» contribute](https://opencollective.com/the-book-of-secret-knowledge/contribute)**.
+
 ## :gift_heart: &nbsp;Support
 
 If this project is useful and important for you or if you really like _the-book-of-secret-knowledge_, you can bring **positive energy** by giving some **good words** or **supporting this project**. Thank you!
@@ -154,12 +179,14 @@ Only main chapters:
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.gnu.org/software/emacs/"><b>emacs</b></a> - is an extensible, customizable, free/libre text editor - and more.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/zyedidia/micro"><b>micro</b></a> - is a modern and intuitive terminal-based text editor.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://neovim.io/"><b>neovim</b></a> - is a free open source, powerful, extensible and usable code editor.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://www.spacemacs.org/"><b>spacemacs</b></a> - a community-driven Emacs distribution.<br>
 </p>
 
 ##### :black_small_square: Files and directories
 
 <p>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/sharkdp/fd"><b>fd</b></a> - is a simple, fast and user-friendly alternative to find.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://dev.yorhel.nl/ncdu"><b>ncdu</b></a> - is an easy to use, fast disk usage analyzer.<br>
 </p>
 
 ##### :black_small_square: Network
@@ -208,6 +235,7 @@ Only main chapters:
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/google/namebench"><b>namebench</b></a> - provides personalized DNS server recommendations based on your browsing history.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/blechschmidt/massdns"><b>massdns</b></a> - is a high-performance DNS stub resolver for bulk lookups and reconnaissance.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/guelfoweb/knock"><b>knock</b></a> - is a tool to enumerate subdomains on a target domain through a wordlist.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/DNS-OARC/dnsperf"><b>dnsperf</b></a> - DNS performance testing tools.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/jedisct1/dnscrypt-proxy"><b>dnscrypt-proxy 2</b></a> - a flexible DNS proxy, with support for encrypted DNS protocols.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/dnsdb/dnsdbq"><b>dnsdbq</b></a> - API client providing access to passive DNS database systems (pDNS at Farsight Security, CIRCL pDNS).<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/looterz/grimd"><b>grimd</b></a> - fast dns proxy, built to black-hole internet advertisements and malware servers.<br>
@@ -293,12 +321,13 @@ Only main chapters:
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/gperftools/gperftools"><b>gperftools</b></a> - high-performance multi-threaded malloc() implementation, plus some performance analysis tools.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://nicolargo.github.io/glances/"><b>glances</b></a> - cross-platform system monitoring tool written in Python.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/hishamhm/htop"><b>htop</b></a> - interactive text-mode process viewer for Unix systems. It aims to be a better 'top'.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="http://nmon.sourceforge.net/pmwiki.php"><b>nmon</b></a> - a single executable for performance monitoring and data analysis.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.atoptool.nl/"><b>atop</b></a> - ASCII performance monitor. Includes statistics for CPU, memory, disk, swap, network, and processes.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://en.wikipedia.org/wiki/Lsof"><b>lsof</b></a> - displays in its output information about files that are opened by processes.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://www.brendangregg.com/flamegraphs.html"><b>FlameGraph</b></a> - stack trace visualizer.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/zevv/lsofgraph"><b>lsofgraph</b></a> - small utility to convert Unix lsof output to a graph showing FIFO and UNIX interprocess communication.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/mozilla/rr"><b>rr</b></a> - is a lightweight tool for recording, replaying and debugging execution of applications.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://pcp.io/index.html"><b>Performance Co-Pilot</b></a> - a system performance analysis toolkit.</br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://pcp.io/index.html"><b>Performance Co-Pilot</b></a> - a system performance analysis toolkit.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/sharkdp/hexyl"><b>hexyl</b></a> - a command-line hex viewer.<br>
 </p>
 
@@ -340,12 +369,14 @@ Only main chapters:
 <p>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/skx/sysadmin-util"><b>sysadmin-util</b></a> - tools for Linux/Unix sysadmins.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://inotify.aiken.cz/"><b>incron</b></a> - is an inode-based filesystem notification technology.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/axkibe/lsyncd"><b>lsyncd</b></a> - synchronizes local directories with remote targets (Live Syncing Daemon).<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/rgburke/grv"><b>GRV</b></a> - is a terminal based interface for viewing Git repositories.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://jonas.github.io/tig/"><b>Tig</b></a> - text-mode interface for Git.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/tldr-pages/tldr"><b>tldr</b></a> - simplified and community-driven man pages.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/mholt/archiver"><b>archiver</b></a> - easily create and extract .zip, .tar, .tar.gz, .tar.bz2, .tar.xz, .tar.lz4, .tar.sz, and .rar.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/tj/commander.js"><b>commander.js</b></a> - minimal CLI creator in JavaScript.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/tomnomnom/gron"><b>gron</b></a> - make JSON greppable!<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/itchyny/bed"><b>bed</b></a> - binary editor written in Go.<br>
 </p>
 
 #### GUI Tools &nbsp;[<sup>[TOC]</sup>](#anger-table-of-contents)
@@ -364,6 +395,7 @@ Only main chapters:
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.wireshark.org/"><b>Wireshark</b></a> - is the world’s foremost and widely-used network protocol analyzer.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.ettercap-project.org/"><b>Ettercap</b></a> - is a comprehensive network monitor tool.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://etherape.sourceforge.io/"><b>EtherApe</b></a> - is a graphical network monitoring solution.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://packetsender.com/"><b>Packet Sender</b></a> - is a networking utility for packet generation and built-in UDP/TCP/SSL client and servers.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://ostinato.org/"><b>Ostinato</b></a> - is a packet crafter and traffic generator.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://jmeter.apache.org/"><b>JMeter™</b></a> - open source software to load test functional behavior and measure performance.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/locustio/locust"><b>locust</b></a> - scalable user load testing tool written in Python.<br>
@@ -432,7 +464,8 @@ Only main chapters:
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://csp-evaluator.withgoogle.com/"><b>CSP Evaluator</b></a> - allows developers and security experts to check if a Content Security Policy.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://uselesscsp.com/"><b>Useless CSP</b></a> - public list about CSP in some big players (might make them care a bit more).<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://whynohttps.com/"><b>Why No HTTPS?</b></a> - list of the world's top 100 websites by Alexa rank not automatically redirecting insecure requests.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://cipherli.st/"><b>cipherli.st</b></a> - strong ciphers for Apache, Nginx, Lighttpd and more.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://ciphersuite.info/"><b>TLS Cipher Suite Search</b></a><br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/RaymiiOrg/cipherli.st"><b>cipherli.st</b></a> - strong ciphers for Apache, Nginx, Lighttpd and more.<b>*</b><br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://2ton.com.au/dhtool/"><b>dhtool</b></a> - public Diffie-Hellman parameter service/tool.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://badssl.com/"><b>badssl.com</b></a> - memorable site for testing clients against bad SSL configs.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://tlsfun.de/"><b>tlsfun.de</b></a> - registered for various tests regarding the TLS/SSL protocol.<br>
@@ -481,7 +514,9 @@ Only main chapters:
 ##### :black_small_square: Mail
 
 <p>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://luxsci.com/smtp-tls-checker"><b>smtp-tls-checker</b></a> - check an email domain for SMTP TLS support.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://mxtoolbox.com/SuperTool.aspx"><b>MX Toolbox</b></a> - all of your MX record, DNS, blacklist and SMTP diagnostics in one integrated tool.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://www.checktls.com/index.html"><b>Secure Email</b></a> - complete email test tools for email technicians.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://www.blacklistalert.org/"><b>blacklistalert</b></a> - checks to see if your domain is on a Real Time Spam Blacklist.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://multirbl.valli.org/"><b>MultiRBL</b></a> - complete IP check for sending Mailservers.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://dkimvalidator.com/"><b>DKIM SPF & Spam Assassin Validator</b></a> - checks mail authentication and scores messages with Spam Assassin.<br>
@@ -503,13 +538,14 @@ Only main chapters:
 
 <p>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://toolbar.netcraft.com/site_report"><b>Netcraft</b></a> - detailed report about the site, helping you to make informed choices about their integrity.<b>*</b><br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://www.ripe.net/"><b>RIPE NCC</b></a> - not-for-profit membership association, a Regional Internet Registry and the secretariat for the RIPE.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://atlas.ripe.net/"><b>RIPE NCC Atlas</b></a> - a global, open, distributed Internet measurement platform.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.robtex.com/"><b>Robtex</b></a> - uses various sources to gather public information about IP numbers, domain names, host names, routes etc.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://securitytrails.com/"><b>Security Trails</b></a> - APIs for Security Companies, Researchers and Teams.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://tools.keycdn.com/curl"><b>Online Curl</b></a> - curl test, analyze HTTP Response Headers.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://extendsclass.com/"><b>Online Tools for Developers</b></a> - HTTP API tools, testers, encoders, converters, formatters, and other tools.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://ping.eu/"><b>Ping.eu</b></a> - online Ping, Traceroute, DNS lookup, WHOIS and others.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://network-tools.com/"><b>Network-Tools</b></a> - network tools for webmasters, IT technicians & geeks.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://bgpview.io/"><b>BGPview</b></a> - search for any ASN, IP, Prefix or Resource name.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://riseup.net/"><b>Riseup</b></a> - provides online communication tools for people and groups working on liberatory social change.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.virustotal.com/gui/home/upload"><b>VirusTotal</b></a> - analyze suspicious files and URLs to detect types of malware.<br>
 </p>
@@ -560,17 +596,17 @@ performance of any of your sites from across the globe.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://app.binaryedge.io/"><b>binaryedge</b></a> - it scan the entire internet space and create real-time threat intelligence streams and reports.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://wigle.net/"><b>wigle</b></a> - is a submission-based catalog of wireless networks. All the networks. Found by Everyone.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://publicwww.com/"><b>PublicWWW</b></a> - find any alphanumeric snippet, signature or keyword in the web pages HTML, JS and CSS code.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://inteltechniques.com/menu.html"><b>IntelTechniques</b></a> - this repository contains hundreds of online search utilities.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://inteltechniques.com/index.html"><b>IntelTechniques</b></a> - this repository contains hundreds of online search utilities.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://hackle.dev/"><b>Hackle</b></a> - search engine for hackers and security professionals.<b>*</b><br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://hunter.io/"><b>hunter</b></a> - lets you find email addresses in seconds and connect with the people that matter for your business.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://ghostproject.fr/"><b>GhostProject?</b></a> - search by full email address or username.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.databreaches.live/"><b>databreaches</b></a> - was my email affected by data breach?<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://weleakinfo.com"><b>We Leak Info</b></a> - world's fastest and largest data breach search engine.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://pulsedive.com/"><b>Pulsedive</b></a> - scans of malicious URLs, IPs, and domains, including port scans and web requests.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://scylla.sh"><b>scylla</b></a> - db dumps and more.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://buckets.grayhatwarfare.com/"><b>Buckets by Grayhatwarfar</b></a> - database with public search for Open Amazon S3 Buckets and their contents.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://vigilante.pw/"><b>Vigilante.pw</b></a> - the breached database directory.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://builtwith.com/"><b>builtwith</b></a> - find out what websites are built with.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://nerdydata.com/"><b>NerdyData</b></a> - find where any technology is used, across millions of sites.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://nerdydata.com/"><b>NerdyData</b></a> - search the web's source code for technologies, across millions of sites.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.mmnt.net/"><b>Mamont's open FTP Index</b></a> - if a target has an open FTP site with accessible content it will be listed here.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://osintframework.com/"><b>OSINT Framework</b></a> - focused on gathering information from free tools or resources.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.maltiverse.com/search"><b>maltiverse</b></a> - is a service oriented to cybersecurity analysts for the advanced analysis of indicators of compromise.<br>
@@ -581,7 +617,6 @@ performance of any of your sites from across the globe.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://malc0de.com/database/"><b>malc0de</b></a> - malware search engine.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://cybercrime-tracker.net/index.php"><b>Cybercrime Tracker</b></a> - monitors and tracks various malware families that are used to perpetrate cyber crimes.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/eth0izzle/shhgit/"><b>shhgit</b></a> - find GitHub secrets in real time.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://nerdydata.com/"><b>NerdyData</b></a> - search source code across 65 million websites.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://searchcode.com/"><b>searchcode</b></a> - helping you find real world examples of functions, API's and libraries.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://www.insecam.org/"><b>Insecam</b></a> - the world biggest directory of online surveillance security cameras.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://index-of.es/"><b>index-of</b></a> - contains great stuff like: security, hacking, reverse engineering, cryptography, programming etc.<br>
@@ -591,8 +626,9 @@ performance of any of your sites from across the globe.<br>
 
 <p>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://thispersondoesnotexist.com/"><b>thispersondoesnotexist</b></a> - generate fake faces in one click - endless possibilities.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://tools.intigriti.io/redirector/"><b>Intigriti Redirector</b></a> - open redirect/SSRF payload generator.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://generated.photos"><b>AI Generated Photos</b></a> - 100.000 AI generated faces.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://fakeface.co/"><b>fakeface</b></a> - fake faces browser.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://tools.intigriti.io/redirector/"><b>Intigriti Redirector</b></a> - open redirect/SSRF payload generator.<br>
 </p>
 
 ##### :black_small_square: Passwords
@@ -705,6 +741,7 @@ performance of any of your sites from across the globe.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/stamparm/maltrail"><b>maltrail</b></a> - malicious traffic detection system.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/Netflix/security_monkey"><b>security_monkey</b></a> - monitors AWS, GCP, OpenStack, and GitHub orgs for assets and their changes over time.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/firecracker-microvm/firecracker"><b>firecracker</b></a> - secure and fast microVMs for serverless computing.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/StreisandEffect/streisand"><b>streisand</b></a> - sets up a new server running your choice of WireGuard, OpenSSH, OpenVPN, Shadowsocks, and more.<br>
 </p>
 
 #### Networks &nbsp;[<sup>[TOC]</sup>](#anger-table-of-contents)
@@ -842,6 +879,7 @@ performance of any of your sites from across the globe.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.cisecurity.org/cis-benchmarks/"><b>CIS Benchmarks</b></a> - are secure configuration settings for over 100 technologies, available as a free PDF download.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://highon.coffee/blog/security-harden-centos-7/"><b>Security Harden CentOS 7</b></a> - this walks you through the steps required to security harden CentOS.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.lisenet.com/2017/centos-7-server-hardening-guide/"><b>CentOS 7 Server Hardening Guide</b></a> - great guide for hardening CentOS; familiar with OpenSCAP.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/decalage2/awesome-security-hardening"><b>awesome-security-hardening</b></a> - is a collection of security hardening guides, tools and other resources.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/trimstray/the-practical-linux-hardening-guide"><b>The Practical Linux Hardening Guide</b></a> - provides a high-level overview of hardening GNU/Linux systems.<br>
 </p>
 
@@ -868,6 +906,7 @@ performance of any of your sites from across the globe.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/OWASP/ASVS/tree/master/4.0"><b>OWASP ASVS 4.0</b></a> - is a list of application security requirements or tests.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.owasp.org/index.php/OWASP_Testing_Project"><b>OWASP Testing Guide v4</b></a> - includes a "best practice" penetration testing framework.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/OWASP/DevGuide"><b>OWASP Dev Guide</b></a> - this is the development version of the OWASP Developer Guide.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://www.owasp.org/index.php/OWASP_API_Security_Project"><b>OWASP API Security Project</b></a> - focuses specifically on the top ten vulnerabilities in API security.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://infosec.mozilla.org/guidelines/web_security.html"><b>Mozilla Web Security</b></a> - help operational teams with creating secure web applications.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/Netflix/security-bulletins"><b>security-bulletins</b></a> - security bulletins that relate to Netflix Open Source.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/shieldfy/API-Security-Checklist"><b>API-Security-Checklist</b></a> - security countermeasures when designing, testing, and releasing your API.<br>
@@ -919,7 +958,7 @@ performance of any of your sites from across the globe.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.shellntel.com/blog/2017/2/8/how-to-build-a-8-gpu-password-cracker"><b>How to build a 8 GPU password cracker</b></a> - any "black magic" or hours of frustration like desktop components do.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://home.cern/science/computing"><b>CERN Data Centre</b></a> - 3D visualizations of the CERN computing environments (and more).<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://howfuckedismydatabase.com/"><b>How fucked is my database</b></a> - evaluate how fucked your database is with this handy website.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="http://howfuckedismydatabase.com/"><b>Five Whys</b></a> - you know what the problem is, but you cannot solve it?<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://open.buffer.com/5-whys-process/"><b>Five Whys</b></a> - you know what the problem is, but you cannot solve it?<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://howhttps.works/"><b>howhttps.works</b></a> - how HTTPS works ...in a comic!<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://howdns.works/"><b>howdns.works</b></a> - a fun and colorful explanation of how DNS works.<br>
 </p>
@@ -979,6 +1018,7 @@ performance of any of your sites from across the globe.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://gist.github.com/joepie91/5a9909939e6ce7d09e29"><b>Don't use VPN services</b></a> -  which is what every third-party "VPN provider" does.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/InQuest/awesome-yara"><b>awesome-yara</b></a> - a curated list of awesome YARA rules, tools, and people.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/drduh/macOS-Security-and-Privacy-Guide"><b>macOS-Security-and-Privacy-Guide</b></a> - guide to securing and improving privacy on macOS.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/PaulSec/awesome-sec-talks"><b>awesome-sec-talks</b></a> - is a collected list of awesome security talks.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/k4m4/movies-for-hackers"><b>Movies for Hackers</b></a> - list of movies every hacker & cyberpunk must watch.<br>
 </p>
 
@@ -993,6 +1033,7 @@ performance of any of your sites from across the globe.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/rby90/Project-Based-Tutorials-in-C"><b>Project-Based-Tutorials-in-C</b></a> - is a curated list of project-based tutorials in C.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/kylelobo/The-Documentation-Compendium"><b>The-Documentation-Compendium</b></a> - various README templates & tips on writing high-quality documentation.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/mahmoud/awesome-python-applications"><b>awesome-python-applications</b></a> - free software that works great, and also happens to be open-source Python.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/awesomedata/awesome-public-datasets"><b>awesome-public-datasets</b></a> - a topic-centric list of HQ open datasets.<br>
 </p>
 
 #### Blogs/Podcasts/Videos &nbsp;[<sup>[TOC]</sup>](#anger-table-of-contents)
@@ -1040,7 +1081,6 @@ performance of any of your sites from across the globe.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://linuxsecurity.expert/"><b>
 Linux Security Expert</b></a> - trainings, howtos, checklists, security tools and more.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://www.grymoire.com/"><b>The Grymoire</b></a> - collection of useful incantations for wizards, be you computer wizards, magicians, or whatever.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://portswigger.net/blog"><b>PortSwigger Web Security Blog</b></a> - about web app security vulns and top tips from our team of web security.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.secjuice.com"><b>Secjuice</b></a> - is the only non-profit, independent and volunteer led publication in the information security space.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://duo.com/decipher"><b>Decipher</b></a> - security news that informs and inspires.<br>
 </p>
@@ -1053,6 +1093,7 @@ Linux Security Expert</b></a> - trainings, howtos, checklists, security tools an
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.tripwire.com/state-of-security/"><b>Tripwire State of Security</b></a> - blog featuring the latest news, trends and insights on current information security issues.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://blog.malwarebytes.com/"><b>Malwarebytes Labs Blog</b></a> - security blog aims to provide insider news about cybersecurity.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.trustedsec.com/category/articles/"><b>TrustedSec</b></a> - latest news, and trends about cybersecurity.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://portswigger.net/blog"><b>PortSwigger Web Security Blog</b></a> - about web app security vulns and top tips from our team of web security.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.alienvault.com/blogs"><b>AT&T Cybersecurity blog</b></a> - news on emerging threats and practical advice to simplify threat detection.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://thycotic.com/company/blog/"><b>Thycotic</b></a> - where CISOs and IT Admins come to learn about industry trends, IT security, data breaches, and more.<br>
 </p>
@@ -1144,6 +1185,7 @@ CyberTalks</b></a> - talks, interviews, and article about cybersecurity.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://cirt.net/Nikto2"><b>Nikto2</b></a> - web server scanner which performs comprehensive tests against web servers for multiple items.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://sqlmap.org/"><b>sqlmap</b></a> - tool that automates the process of detecting and exploiting SQL injection flaws.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/lanmaster53/recon-ng"><b>Recon-ng</b></a> - is a full-featured Web Reconnaissance framework written in Python.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/Tib3rius/AutoRecon"><b>AutoRecon</b></a> - is a network reconnaissance tool which performs automated enumeration of services.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.faradaysec.com/"><b>Faraday</b></a> - an Integrated Multiuser Pentest Environment.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/s0md3v/Photon"><b>Photon</b></a> - incredibly fast crawler designed for OSINT.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/s0md3v/XSStrike"><b>XSStrike</b></a> - most advanced XSS detection suite.<br>
@@ -1165,6 +1207,7 @@ CyberTalks</b></a> - talks, interviews, and article about cybersecurity.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/zardus/ctf-tools"><b>ctf-tools</b></a> - some setup scripts for security research tools.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/Gallopsled/pwntools"><b>pwntools</b></a> - CTF framework and exploit development library.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/bl4de/security-tools"><b>security-tools</b></a> - collection of small security tools created mostly in Python. CTFs, pentests and so on.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/leonteale/pentestpackage"><b>pentestpackage</b></a> - is a package of Pentest scripts.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/dloss/python-pentest-tools"><b>python-pentest-tools</b></a> - python tools for penetration testers.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/fuzzdb-project/fuzzdb"><b>fuzzdb</b></a> - dictionary of attack patterns and primitives for black-box application fault injection and resource discovery.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/google/syzkaller"><b>syzkaller</b></a> - is an unsupervised, coverage-guided kernel fuzzer.<br>
@@ -1182,6 +1225,7 @@ CyberTalks</b></a> - talks, interviews, and article about cybersecurity.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/NullArray/AutoSploit"><b>AutoSploit</b></a> - automated mass exploiter.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/TH3xACE/SUDO_KILLER"><b>SUDO_KILLER</b></a> - is a tool to identify and exploit sudo rules' misconfigurations and vulnerabilities.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/VirusTotal/yara"><b>yara</b></a> - the pattern matching swiss knife.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/gentilkiwi/mimikatz"><b>mimikatz</b></a> - a little tool to play with Windows security.<br>
 </p>
 
 ##### :black_small_square: Pentests bookmarks collection
@@ -1208,6 +1252,7 @@ CyberTalks</b></a> - talks, interviews, and article about cybersecurity.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/Cyb3rWard0g/ThreatHunter-Playbook"><b>ThreatHunter-Playbook</b></a> - to aid the development of techniques and hypothesis for hunting campaigns.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/swisskyrepo/PayloadsAllTheThings"><b>PayloadsAllTheThings</b></a> - a list of useful payloads and bypass for Web Application Security and Pentest/CTF.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/foospidy/payloads"><b>payloads</b></a> - git all the Payloads! A collection of web attack payloads.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/payloadbox/command-injection-payload-list"><b>command-injection-payload-list</b></a> - command injection payload list.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/s0md3v/AwesomeXSS"><b>AwesomeXSS</b></a> - is a collection of Awesome XSS resources.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/JohnTroony/php-webshells"><b>php-webshells</b></a> - common php webshells.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://highon.coffee/blog/penetration-testing-tools-cheat-sheet/"><b>Pentesting Tools Cheat Sheet</b></a> - a quick reference high level overview for typical penetration testing engagements.<br>
@@ -1271,6 +1316,8 @@ CyberTalks</b></a> - talks, interviews, and article about cybersecurity.<br>
 <p>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.owasp.org/index.php/OWASP_Vulnerable_Web_Applications_Directory_Project"><b>OWASP-VWAD</b></a> - comprehensive and well maintained registry of all known vulnerable web applications.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="http://www.dvwa.co.uk/"><b>DVWA</b></a> - PHP/MySQL web application that is damn vulnerable.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://metasploit.help.rapid7.com/docs/metasploitable-2"><b>metasploitable2</b></a> - vulnerable web application amongst security researchers.<br>
+&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/rapid7/metasploitable3"><b>metasploitable3</b></a> - is a VM that is built from the ground up with a large amount of security vulnerabilities.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/stamparm/DSVW"><b>DSVW</b></a> - is a deliberately vulnerable web application written in under 100 lines of code.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://sourceforge.net/projects/mutillidae/"><b>OWASP Mutillidae II</b></a> - free, open source, deliberately vulnerable web-application.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.owasp.org/index.php/OWASP_Juice_Shop_Project"><b>OWASP Juice Shop Project</b></a> - the most bug-free vulnerable application in existence.<br>
@@ -1292,13 +1339,6 @@ AWS deployment tool.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/moloch--/RootTheBox"><b>RootTheBox</b></a> - a Game of Hackers (CTF Scoreboard & Game Manager).<br>
 </p>
 
-##### :black_small_square: Vulnerable virtual machines
-
-<p>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://metasploit.help.rapid7.com/docs/metasploitable-2"><b>metasploitable 2</b></a> - vulnerable web application amongst security researchers.<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="https://github.com/rapid7/metasploitable3"><b>metasploitable3</b></a> - is a VM that is built from the ground up with a large amount of security vulnerabilities.<br>
-</p>
-
 ##### :black_small_square: Labs (ethical hacking platforms/trainings/CTFs)
 
 <p>
@@ -1328,7 +1368,6 @@ AWS deployment tool.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://crackmes.one/"><b>Crackmes</b></a> - download crackmes to help improve your reverse engineering skills.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://domgo.at/cxss/intro"><b>DomGoat</b></a> - DOM XSS security learning and practicing platform.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://chall.stypr.com"><b>Stereotyped Challenges</b></a> - upgrade your web hacking techniques today!<br>
-&nbsp;&nbsp;:small_orange_diamond: <a href="http://overthewire.org/wargames/"><b>OverTheWire</b></a> - can help you to learn and practice security concepts in the form of fun-filled games.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://www.vulnhub.com/"><b>Vulnhub</b></a> - allows anyone to gain practical 'hands-on' experience in digital security.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://w3challs.com/"><b>W3Challs</b></a> - is a penetration testing training platform, which offers various computer challenges.<br>
 &nbsp;&nbsp;:small_orange_diamond: <a href="https://ringzer0ctf.com/challenges"><b>RingZer0 CTF</b></a> - offers you tons of challenges designed to test and improve your hacking skills.<br>
@@ -2373,6 +2412,12 @@ ___
 echo | openssl s_client -connect google.com:443 -showcerts
 ```
 
+###### Testing connection to the remote host (debug mode)
+
+```bash
+echo | openssl s_client -connect google.com:443 -showcerts -tlsextdebug -status
+```
+
 ###### Testing connection to the remote host (with SNI support)
 
 ```bash
@@ -2468,6 +2513,8 @@ openssl req -out ${_fd_csr} -new -key ${_fd} )
 
 ###### Generate CSR (metadata from existing certificate)
 
+  > Where `private.key` is the existing private key. As you can see you do not generate this CSR from your certificate (public key). Also you do not generate the "same" CSR, just a new one to request a new certificate.
+
 ```bash
 ( _fd="private.key" ; _fd_csr="request.csr" ; _fd_crt="cert.crt" ; \
 openssl x509 -x509toreq -in ${_fd_crt} -out ${_fd_csr} -signkey ${_fd} )
@@ -2479,7 +2526,7 @@ openssl x509 -x509toreq -in ${_fd_crt} -out ${_fd_csr} -signkey ${_fd} )
 ( _fd="private.key" ; _fd_csr="request.csr" ; \
 openssl req -new -sha256 -key ${_fd} -out ${_fd_csr} \
 -config <(
-cat <<-EOF
+cat << __EOF__
 [req]
 default_bits        = 2048
 default_md          = sha256
@@ -2502,7 +2549,7 @@ subjectAltName = @alt_names
 DNS.1 = <fully qualified domain name>
 DNS.2 = <next domain>
 DNS.3 = <next domain>
-EOF
+__EOF__
 ))
 ```
 
@@ -2669,6 +2716,13 @@ openssl req -text -noout -in ${_fd_csr} )
 openssl x509 -noout -modulus -in certificate.crt | openssl md5) | uniq
 ```
 
+###### Check whether the private key and the CSR match
+
+```bash
+(openssl rsa -noout -modulus -in private.key | openssl md5 ; \
+openssl req -noout -modulus -in request.csr | openssl md5) | uniq
+```
+
 ___
 
 ##### Tool: [secure-delete](https://wiki.archlinux.org/index.php/Securely_wipe_disk)