Rule History

SID: 2003647 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 9 • Jul 30, 2010, 12:00 PM

Message:

ET MALWARE Backdoor.Irc.MFV User Agent Detected (IRC-U)

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Backdoor.Irc.MFV User Agent Detected (IRC-U)"; flow:established,to_server; http.user_agent; content:"IRC-U v"; depth:7; nocase; classtype:trojan-activity; sid:2003647; rev:9; metadata:created_at 2010_07_30, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_13;)

Created:

Jul 30, 2010, 12:00 PM

Updated:

Oct 13, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 3, 2025, 8:34 PM

Filename:

rules/emerging-malware.rules