offensive-osint

Guides open-source intelligence gathering across domains, people, infrastructure, cryptocurrency, and geospatial sources.

Updated Jun 26, 2026
One-click install
npx skills add https://github.com/brukal001/brukal --skill offensive-osint-brukal001
Or copy as Structured Prompt for Agent▼
Please help me install this Agent Skill.
Skill: offensive-osint
Source: https://github.com/brukal001/brukal/tree/main/skills/claude-red/recon/offensive-osint
Command: npx skills add https://github.com/brukal001/brukal --skill offensive-osint-brukal001

SYSTEM DOCUMENTATION & REQUIREMENTS

What problem does it solve? Reconnaissance and investigations require knowing which of hundreds of OSINT tools to use for each target type, and how to preserve evidence reproducibly. This Skill provides a structured methodology and curated tool directory so analysts can systematically investigate domains, organizations, people, crypto addresses, and geospatial subjects without missing key pivots. ## Core Features & Use Cases - Comprehensive Tool Directory: Curated tables of tools for domain recon, email harvesting, social media profiling, breach data lookup, Shodan/Censys enumeration, GitHub leaks, and employee profiling. - Specialized Intelligence Tracks: Dedicated workflows for cryptocurrency tracing (blockchain explorers, Arkham, bridge monitoring), geospatial intelligence (satellite imagery, flight/maritime tracking), media forensics, and Telegram/messaging intelligence. - Evidence Preservation Workflow: Standardized archiving with URL, timestamp, screenshot, SHA-256 hashing, and JSONL logging with run IDs for reproducible investigations. - Use Case: During a bug bounty engagement against a target organization, work top-down through infrastructure OSINT (crt.sh, Shodan, Amass) to map the attack surface, then pivot to breach data and employee profiling to identify exposed credentials. ## Quick Start Use the offensive-osint skill to build an attack-surface map and reconnaissance plan for the target domain example.com.

Frequently Asked Questions about offensive-osint

High-intent search queries and answers about installing and using this skill.

FAQPage Schema
How do I perform OSINT reconnaissance against a target domain?▼

Start with passive subdomain discovery using Amass, Subfinder, and crt.sh certificate transparency logs, then enumerate services with Shodan and Censys. Harvest emails and metadata with theHarvester, and map the tech stack with BuiltWith before pivoting on discovered artifacts.

What tools find email addresses and usernames for a target?▼

Hunter.io finds email addresses for a domain, while Holehe checks whether an email is registered on platforms. For usernames, Sherlock and Maigret search across social networks, and Epieos provides email pivots and metadata.

How do I trace cryptocurrency transactions for an investigation?▼

Use chain-specific explorers like Blockchain.com or Etherscan for raw transactions, then apply analytics platforms such as Arkham, MetaSleuth, or Breadcrumbs for entity labels and visual flow graphs. Socketscan and L2Beat cover cross-chain bridge monitoring.

Can I use ChatGPT or Claude for sensitive OSINT analysis?▼

Never paste PII, sensitive IOCs, or unique pivots into cloud LLMs because they log inputs and may use them for training. Use local models through Ollama, LM Studio, or GPT4All for sensitive analysis instead.

How should OSINT evidence be preserved for reproducibility?▼

Archive every key artifact with its URL, timestamp, PNG screenshot, and SHA-256 hash, using tools like archive.today, ArchiveBox, or Hunchly. Log findings in JSONL with a run_id and tool versions, and store evidence read-only in separate work profiles per case.