Individual skill
exchange-owa-attack
Exchange/OWA NTLM AD leak, spray attack when mail subdomain.
recon/exchange-owa-attack/SKILL.md
Source commit 1260244136edc6ae698d76d3d526f503e322778d
What was checked
- Matches the observed repository HEAD
- Yes
- Scanner rules are current
- Yes
- Repository scan complete
- No
- Skill scan complete
- No
- Observed behavior
- Network or broad shell
- Last checked
- Nov 9, 2026
These are observations at the recorded commit, not a guarantee of safety. Review the source before running it.
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Repository context
- Repository stars (not skill ratings)
- 1,337
- Repository last updated
- Nov 7, 2026
- License
- MIT
Observed agent integration: No specific integration evidence. Standard SKILL.md installation does not imply verified compatibility.
- bug-bounty Repository topic
- cloud-security Repository topic
- firebase-hacking Repository topic
- hermes-agent Repository topic
- jwt-attacks Repository topic
- offensive-security Repository topic
- penetration-testing Repository topic
- reconnaissance Repository topic
- red-team Repository topic
- security-automation Repository topic
- recon Declared skill tag
- exchange Declared skill tag
- owa Declared skill tag
- ntlm Declared skill tag
- activedirectory Declared skill tag
- password-spray Declared skill tag
- engineering Derived category
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# Exchange/OWA Attack Skill
Exchange Outlook Web Access reconnaissance covering endpoint mapping, NTLM
Type-2 metadata, authentication controls, and version evidence. Password or
lockout testing requires explicit authorization and approved identities.
## When to Use
- Target has `owa.`, `mail.`, `webmail.`, `exchange.`, or `autodiscover.` subdomains.
- crt.sh reveals Exchange-related SAN names (`mail.domain.com`, `autodiscover.domain.com`).
- Port 443 returns NTLM `WWW-Authenticate: Negotiate` or `WWW-Authenticate: NTLM`.
- After `subdomain-enumeration` discovers mail-related hosts.
- After `port-service-discovery` finds HTTPS on port 443 with Exchange fingerprints.
