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osint
by kiwamizamurai
CTF (Capture The Flag) learning workspace with writeups and solution scripts
⭐ 1🍴 0📅 Jan 22, 2026
SKILL.md
name: osint description: Gathers intelligence from public sources. Use when searching for usernames, geolocating images, investigating social media, analyzing domains, or solving information gathering challenges. allowed-tools: Bash, Read, Write, Grep, Glob
OSINT Skill
Quick Workflow
Progress:
- [ ] Identify target type (username/image/domain)
- [ ] Extract metadata (exiftool for images)
- [ ] Cross-reference across platforms
- [ ] Check archives/caches
- [ ] Document findings
Quick Commands
# Image metadata
exiftool image.jpg
exiftool -gpslatitude -gpslongitude image.jpg
# Username search
sherlock username
# DNS lookup
dig target.com ANY
whois target.com
Reference Files
| Topic | Reference |
|---|---|
| Image Analysis & Geolocation | reference/image.md |
| Domain & IP OSINT | reference/domain.md |
| Social Media & Username | reference/social.md |
Useful Online Tools
| Tool | Purpose | URL |
|---|---|---|
| Shodan | IoT/device search | shodan.io |
| Censys | Internet scan data | censys.io |
| VirusTotal | File/URL analysis | virustotal.com |
| CyberChef | Data transformation | gchq.github.io/CyberChef |
| IntelX | Search engine | intelx.io |
| Maltego | Graph analysis | maltego.com |
CTF Quick Patterns
# Find location from photo
exiftool -gpslatitude -gpslongitude image.jpg
# If no GPS: reverse image search, identify landmarks
# Find person from username
sherlock username
# Check: GitHub, Twitter, Instagram, Reddit
# Find deleted content
# Wayback Machine, Google cache, Archive.today
Score
Total Score
55/100
Based on repository quality metrics
✓SKILL.md
SKILL.mdファイルが含まれている
+20
○LICENSE
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○説明文
100文字以上の説明がある
0/10
○人気
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0/15
✓最近の活動
1ヶ月以内に更新
+10
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0/5
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+5
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+5
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1つ以上のタグが設定されている
+5
Reviews
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Reviews coming soon
