tools for further training/research

Bold & Italic = Highly Recommend

OSINT

Shodan Search Engine

DNS Dumpster (Domain research tool)

OSINT Framework

PublicWWW (Source Code Search Engine)

DNS Stuff - Free Tools

Exposing the Invisible - A new generation of investigators

SpiderFoot (Automates OSINT)

Cryptography

CyberChef

StegOnline

Easy Ciphers

CrackStation

Boxentriq (Code-Breaking)

Boxentriq (Cipher Identifier)

BPCS-Steganography

exploit Information

Exploit Database

Sploitus

data capture

splunk - Cloud-Based Data Platform for Cybersecurity

Try Zeek

Arkime - Full Packet Capture

DFIR

(Digital Forensics & Incident response)

Skadi

GRR Rapid Response

TSURUGI Linux

More tools

Other Resources - hacker101

CIS Controls

Guru99 Tutorials Library

Virtual Machines: Microsoft Edge

environments

Digital Ocean

Kali Linux

Kali Linux Tools Listing

FireEye Commnado VM

Vergilius Kernels

CloudGoat - Rhino Security Labs' "Vulnerable by Design" AWS deployment tool

ATT&CK Navigator

malware

The No More Ransom Project

Hybrid Analysis (Free Automated Malware Analysis)

VIRUSTOTAL

ANY.RUN (Interactive Online Malware Sandbox)

defense/offense

Security Tools! - Curated list of security tools for Hackers & Builders

Tenable - The Cyber Exposure Company

ClusterFuzz

Anchore

Windows Sysinternals

SNORT

web app exploitation

OWASP WebGoat

OWASP ZAP Zed Attack Proxy

Kubernetes Goat

github goodness

Awesome Security - A collection of awesome software, libraries, documents, books, resources and cool stuff about security.

The Book of Secret Knowledge