Rule History

SID: 2006382 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 12 • Jul 30, 2010, 12:00 PM

Message:

ET USER_AGENTS Matcash or related downloader User-Agent Detected

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS Matcash or related downloader User-Agent Detected"; flow:established,to_server; http.user_agent; pcre:"/^x\w\wx\w\w\!x\w\wx\w\wx\w\w/"; content:"x"; startswith; classtype:trojan-activity; sid:2006382; rev:12; metadata:created_at 2010_07_30, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_10_16;)

Created:

Jul 30, 2010, 12:00 PM

Updated:

Oct 16, 2020, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 6, 2025, 4:34 PM

Filename:

rules/emerging-user_agents.rules