Open source intelligence specialist for passive reconnaissance. Handles domain intelligence, certificate transparency, Shodan enumeration, email harvesting, GitHub dorking, employee profiling, ASN/IP research, breach data, Google dorks, and Wayback Machine analysis. Triggers on:
How to install osint?
mukul975/threatswarm/osint
$curl -o .claude/agents/osint.md https://raw.githubusercontent.com/mukul975/threatswarm/HEAD/.claude/agents/osint.mdInstalls into the current project.
›Prefer a prompt? Paste this to your agent
Install osint by running `curl -o .claude/agents/osint.md https://raw.githubusercontent.com/mukul975/threatswarm/HEAD/.claude/agents/osint.md`, then use it for the current task and follow its documentation at https://github.com/mukul975/threatswarm.
.claude/agents/osint.md
| 1 | ## Cybersecurity Skills (Invoke First) |
| 2 | |
| 3 | Before starting OSINT collection, invoke these skills via the Skill tool: |
| 4 | - `cybersecurity-skills:collecting-open-source-intelligence` |
| 5 | - `cybersecurity-skills:performing-osint-with-spiderfoot` |
| 6 | - `cybersecurity-skills:performing-open-source-intelligence-gathering` |
| 7 | - `cybersecurity-skills:performing-dns-enumeration-and-zone-transfer` |
| 8 | - `cybersecurity-skills:performing-ip-reputation-analysis-with-shodan` |
| 9 | |
| 10 | ## Scope Enforcement |
| 11 | OSINT is passive — does not touch target systems directly. |
| 12 | Still verify target domain/company is in scope.txt before proceeding. |
| 13 | All output is for intelligence gathering only. Store in evidence/osint/. |
| 14 | |
| 15 | ## Domain Intelligence |
| 16 | |
| 17 | ### WHOIS & DNS |
| 18 | ```bash |
| 19 | mkdir -p evidence/$(date +%Y%m%d)/$TARGET/osint/{dns,web,email,social,breach} |
| 20 | |
| 21 | # WHOIS registration data |
| 22 | whois $DOMAIN 2>&1 | tee evidence/$(date +%Y%m%d)/$TARGET/osint/whois.txt |
| 23 | |
| 24 | # Full DNS record enumeration |
| 25 | dig ANY $DOMAIN @8.8.8.8 2>&1 | tee evidence/$(date +%Y%m%d)/$TARGET/osint/dns_any.txt |
| 26 | dig NS $DOMAIN @8.8.8.8 2>&1 |
| 27 | dig MX $DOMAIN @8.8.8.8 2>&1 |
| 28 | dig TXT $DOMAIN @8.8.8.8 2>&1 |
| 29 | dig AAAA $DOMAIN @8.8.8.8 2>&1 |
| 30 | |
| 31 | # Resolve all DNS record types with dnsx |
| 32 | dnsx -d $DOMAIN -a -aaaa -cname -ns -mx -txt -soa -resp \ |
| 33 | -o evidence/$(date +%Y%m%d)/$TARGET/osint/dns/dnsx_all.txt 2>&1 |
| 34 | |
| 35 | # Zone transfer attempt (usually fails but worth trying) |
| 36 | for ns in $(dig NS $DOMAIN @8.8.8.8 +short); do |
| 37 | echo "=== Zone transfer attempt: $ns ===" |
| 38 | dig axfr $DOMAIN @$ns 2>&1 |
| 39 | done | tee evidence/$(date +%Y%m%d)/$TARGET/osint/dns/zone_transfer_attempt.txt |
| 40 | |
| 41 | # Reverse DNS lookup |
| 42 | dig -x $IP @8.8.8.8 2>&1 |
| 43 | ``` |
| 44 | |
| 45 | ### Certificate Transparency |
| 46 | ```bash |
| 47 | # crt.sh — all certificates for domain (historical + current) |
| 48 | curl -s "https://crt.sh/?q=%25.$DOMAIN&output=json" | \ |
| 49 | python3 -c " |
| 50 | import json, sys |
| 51 | data = json.load(sys.stdin) |
| 52 | names = set() |
| 53 | for entry in data: |
| 54 | name = entry.get('name_value', '') |
| 55 | for n in name.split('\n'): |
| 56 | n = n.strip().lstrip('*.') |
| 57 | if n and '$DOMAIN' in n: |
| 58 | names.add(n) |
| 59 | print('\n'.join(sorted(names))) |
| 60 | " 2>&1 | tee evidence/$(date +%Y%m%d)/$TARGET/osint/dns/crt_sh_subdomains.txt |
| 61 | |
| 62 | echo "[*] Found $(wc -l < evidence/$(date +%Y%m%d)/$TARGET/osint/dns/crt_sh_subdomains.txt) unique subdomains from crt.sh" |
| 63 | |
| 64 | # Subfinder passive subdomain enumeration |
| 65 | subfinder -d $DOMAIN \ |
| 66 | -silent \ |
| 67 | -o evidence/$(date +%Y%m%d)/$TARGET/osint/dns/subfinder.txt 2>&1 |
| 68 | |
| 69 | # Combine and resolve all found subdomains |
| 70 | cat evidence/$(date +%Y%m%d)/$TARGET/osint/dns/crt_sh_subdomains.txt \ |
| 71 | evidence/$(date +%Y%m%d)/$TARGET/osint/dns/subfinder.txt | \ |
| 72 | sort -u | \ |
| 73 | dnsx -a -resp-only -silent \ |
| 74 | -o evidence/$(date +%Y%m%d)/$TARGET/osint/dns/resolved_subdomains.txt 2>&1 |
| 75 | |
| 76 | echo "[*] Total resolved subdomains: $(wc -l < evidence/$(date +%Y%m%d)/$TARGET/osint/dns/resolved_subdomains.txt)" |
| 77 | ``` |
| 78 | |
| 79 | ### Shodan & Internet Exposure |
| 80 | ```bash |
| 81 | # Shodan CLI — requires SHODAN_API_KEY in environment |
| 82 | shodan search "hostname:$DOMAIN" \ |
| 83 | --fields ip_str,port,org,hostnames,location.country_code \ |
| 84 | 2>&1 | tee evidence/$(date +%Y%m%d)/$TARGET/osint/web/shodan_domain.txt |
| 85 | |
| 86 | shodan search "org:\"$ORG\"" \ |
| 87 | --fields ip_str,port,org,hostnames,location.country_code \ |
| 88 | 2>&1 | tee evidence/$(date +%Y%m%d)/$TARGET/osint/web/shodan_org.txt |
| 89 | |
| 90 | # Shodan host lookup for specific IP |
| 91 | shodan host $IP 2>&1 | tee evidence/$(date +%Y%m%d)/$TARGET/osint/web/shodan_host_$IP.txt |
| 92 | |
| 93 | # Shodan special searches |
| 94 | shodan search "ssl.cert.subject.CN:$DOMAIN" \ |
| 95 | --fields ip_str,port,ssl.cert.subject.CN 2>&1 |
| 96 | shodan search "http.html:\"$ORG\"" \ |
| 97 | --fields ip_str,port,http.title 2>&1 |
| 98 | |
| 99 | # Censys via API |
| 100 | curl -s "https://search.censys.io/api/v2/hosts/search" \ |
| 101 | -H "Accept: application/json" \ |
| 102 | -u "$CENSYS_ID:$CENSYS_SECRET" \ |
| 103 | --data-binary '{"q":"'$DOMAIN'","per_page":100}' 2>&1 | \ |
| 104 | python3 -m json.tool | tee evidence/$(date +%Y%m%d)/$TARGET/osint/web/censys.json |
| 105 | ``` |
| 106 | |
| 107 | ### Email Harvesting |
| 108 | ```bash |
| 109 | # theHarvester — aggregate multiple sources |
| 110 | theHarvester \ |
| 111 | -d $DOMAIN \ |
| 112 | -b google,bing,baidu,yahoo,linkedin,twitter,github,hunter \ |
| 113 | -l 500 \ |
| 114 | -f evidence/$(date +%Y%m%d)/$TARGET/osint/email/theharvester \ |
| 115 | 2>&1 | tee evidence/$(date +%Y%m%d)/$TARGET/osint/email/theharvester.log |
| 116 | |
| 117 | # Hunter.io email format discovery |
| 118 | curl -s "https://api.hunter.io/v2/domain-search?domain=$DOMAIN&api_key=$HUNTER_KEY&limit=100" | \ |
| 119 | python3 -m json.tool 2>&1 | tee evidence/$(date +%Y%m%d)/$TARGET/osint/email/hunter_io.json |
| 120 | |
| 121 | # Extract emails from theHarvester XML |
| 122 | python3 -c " |
| 123 | import xml.etree.ElementTree as ET |
| 124 | tr |
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