Zero Breach — local, read-only scanner that checks a computer for indicators of the AdFection / Candiru ad-delivered spyware campaign. No network, no admin, no dependencies.
A curated list of awesome search engines useful during Penetration testing, Vulnerability assessments, Red/Blue Team operations, Bug Bounty and more
AI-driven malware analysis framework with 30+ integrated tools, web REPL, and MCP server
A continuously updated lexicon of underground slang in the online fraud and gray-market economy: definitions, supply-chain roles, sanitized real-world usage and false-positive warnings. Chinese-dominant, with Brazilian Portuguese, English, Indonesian, Tagalog and Vietnamese entries. Maintained by the Threat Hunter research team.
DNS-Blocklists: For a better internet - keep the internet clean!
Open-source IDS/IPS, WAF and bot detection for Linux, Windows, Docker and Kubernetes, with a crowdsourced blocklist of malicious IPs.
The recursive internet scanner for hackers. 🧡
Open Cyber Threat Intelligence Platform
Collection of Cyber Threat Intelligence sources from the deep and dark web
MISP (core software) - Open Source Threat Intelligence and Sharing Platform
The FLARE team's open-source tool to identify capabilities in executable files.
🕵️♂️ (2-in-1) Email & Username OSINT suite featuring native MCP support for deep data extraction just from a single Email/Username. Analyzes 2720+ actively maintained scan vectors (210+ email / 2510+ username) for security research, investigations, and digital footprinting.
IntelOwl: manage your Threat Intelligence at scale
📡 Comprehensive collection of OSINT tools for cybersecurity professionals, researchers, and bug bounty hunters. Topics: information gathering, reverse search, red team, trust & safety, AI.
YARA signature and IOC database for my scanners and tools
Repositório criado com intuito de reunir informações, fontes(websites/portais) e tricks de OSINT dentro do contexto Brasil.
Web app that provides basic navigation and annotation of ATT&CK matrices
Open-source AI Security Operations Center: alert fusion, LLM-agent triage, MITRE ATT&CK investigation, and a replayable decision ledger for every agent step. Self-hostable, runs with no API keys, MIT licensed. Ships an MCP server for Claude, Cursor and Continue.
Cyber Threat Intelligence Repository expressed in STIX 2.0
Real-time phishing & scam domain blocklist - 205k+ curated threats, 1M+ community, free API, multiple formats
Awesome Security lists for SOC/CERT/CTI
A browser extension for OSINT search
AI-powered OSINT agent with interactive REPL, MCP server, and CLI. 20 tools. Works with Claude, GPT-4, or local models. For authorized security research only.
Free email OSINT tool, 5000+ platforms, identity clustering, breach detection. No API keys required. pip install mailaccess
A FREE Windows C development course where we will learn the Win32API and reverse engineer each step utilizing IDA Free in both an x86 and x64 environment.
Cortex: a Powerful Observable Analysis and Active Response Engine
Production-grade MCP server giving Claude 27 security intelligence tools across 21 APIs — CVE lookup, EPSS scoring, CISA KEV, MITRE ATT&CK, Shodan, VirusTotal, and more.
Search public CVE proof-of-concept exploits from GitHub, Nuclei, ExploitDB, Metasploit and Vulhub, with CVSS, EPSS and CISA KEV context.
Watcher - Open Source AI-powered Cyber Threat Intelligence & Hunting Platform. Developed with Django & React JS.
AttackGen is a cybersecurity incident response testing tool that leverages the power of large language models and the comprehensive MITRE ATT&CK framework. The tool generates tailored incident response scenarios based on user-selected threat actor groups and your organisation's details.
这款工具是一款功能强大的网络安全综合工具,旨在为安全从业者、红蓝对抗人员和网络安全爱好者提供全面的网络安全解决方案。它集成了多种实用功能,包括解密、分析、扫描、溯源等,为用户提供了便捷的操作界面和丰富的功能选择。This tool offers robust network security solutions for professionals and enthusiasts. With features like decryption, analysis, scanning, and traceability, it provides a user-friendly interface and diverse functionality.
A curated list of annual cyber security reports
Curated sources of indicators of compromise, detection signatures and IOC tools.
Comprehensive 2026 OSINT guide — 450+ tools, AI intelligence, methodologies & ethics across 35 sections for investigation & threat intel.
160-tool MCP server for real-time global intelligence from free public APIs: markets, liquidity, prediction markets, SEC filings, conflict, military, aircraft-cohort early warning, migration and border flows, cyber, climate, news and more. Dated observation history, 29 research prompts, cited briefs, geofences, SSE dashboard. MIT, no paid API keys.
This repository contains Open Source freely usable Threat Intel feeds that can be used without additional requirements. Contains multiple types such as IP, URL, CVE and Hash.
A query aggregator for OSINT based threat hunting
Self-hosted dark web OSINT platform. Automated threat intelligence from query to graph in 13 steps. Free alternative to Recorded Future, DarkOwl, and Flare.
Attack Flow helps executives, SOC managers, and defenders easily understand how attackers compose ATT&CK techniques into attacks by developing a representation of attack flows, modeling attack flows for a small corpus of incidents, and creating visualization tools to display attack flows.
The Big Brother is a weaponized OSINT platform featuring username enumeration (473+ platforms), quad-vector visual intelligence, Sky Radar tracking, crypto wallet analysis, SSL intelligence, digital footprint reconstruction, EXIF extraction, advanced dorking, and network reconnaissance.
A python module for working with ATT&CK
Automatically created C2 Feeds
STIX data representing MITRE ATT&CK
A simple application that extracts your IoCs from garbage input and checks their reputation using multiple CTI services.
Yet another Ransomware gang tracker
Real-time OSINT command center for the Iran/Israel and Russia/Ukraine theaters — 50+ live open-source intelligence sources (news, Telegram, military aircraft & naval tracking, missile alerts, prediction & defense markets) in one dashboard. No API keys. Free. Next.js + TypeScript.
Real Intelligence Threat Analytics (RITA) is a framework for detecting command and control communication through network traffic analysis.
Self-contained malware research hub: curated catalog of 80 families (1971-2024) + 2,764 real encrypted samples, indexed and searchable. Local Flask app, bilingual.
Awesome CSIRT is an curated list of links and resources in security and CSIRT daily activities.
Warning lists to inform users of MISP about potential false-positives or other information in indicators
Clusters and elements to attach to MISP events or attributes (like threat actors)
A collection of files with indicators supporting social media posts from Palo Alto Network's Unit 42 team to disseminate timely threat intelligence.
Data-Shield provides maintained IPv4 blocklists for inbound filtering on firewalls, gateways and web application firewalls.
CTI Expert — Cyber Threat Intelligence & OSINT analysis skill for Claude Code / Codex. 120+ commands, 57 techniques, 79 typed MCP tools, deterministic case pipeline + ICD-203 reports. No API keys required for core.
MITRE ATT&CK Website
Enterprise-ready SIEM, SOAR and Compliance powered by real-time correlation and threat intelligence.
OpenCTI Connectors
—
A directory of hacker forums
Cybersecurity Threats & Vulnerabilities Guide is a comprehensive educational resource that provides detailed documentation, detection scripts, and prevention strategies for various cybersecurity threats.