Rule History

SID: 2013256 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 6 • Jul 12, 2011, 12:00 PM

Message:

ET POLICY Majestic12 User-Agent Request Outbound

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET POLICY Majestic12 User-Agent Request Outbound"; flow:established,to_server; http.user_agent; content:"MJ12bot/"; classtype:misc-activity; sid:2013256; rev:6; metadata:attack_target Web_Server, created_at 2011_07_12, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Informational, tag WebCrawler, updated_at 2023_05_25, mitre_tactic_id TA0043, mitre_tactic_name Reconnaissance, mitre_technique_id T1593, mitre_technique_name Search_Open_Websites;)

Created:

Jul 12, 2011, 12:00 PM

Updated:

May 25, 2023, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-policy.rules