Rule History

SID: 2007778 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 15 • Jul 30, 2010, 12:00 PM

Message:

ET USER_AGENTS User-agent DownloadNetFile Win32.small.hsh downloader

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET USER_AGENTS User-agent DownloadNetFile Win32.small.hsh downloader"; flow:established,to_server; http.method; content:"GET"; nocase; http.user_agent; content:"DownloadNetFile"; nocase; bsize:15; classtype:trojan-activity; sid:2007778; rev:15; metadata:created_at 2010_07_30, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_13;)

Created:

Jul 30, 2010, 12:00 PM

Updated:

Aug 13, 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