Rule History

SID: 2009345 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 8 • Jul 30, 2010, 12:00 PM

Message:

ET ATTACK_RESPONSE HTTP 401 Unauthorized

Rule:

alert http $HTTP_SERVERS $HTTP_PORTS -> $EXTERNAL_NET any (msg:"ET ATTACK_RESPONSE HTTP 401 Unauthorized"; flow:from_server,established; content:"401"; http_stat_code; threshold:type both, count 1, seconds 300, track by_dst; classtype:attempted-recon; sid:2009345; rev:8; metadata:created_at 2010_07_30, signature_severity Unknown, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Jul 30, 2010, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 1, 2025, 9:34 PM

Filename:

rules/emerging-attack_response.rules