Rule History

SID: 2016486 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 4 • Feb 22, 2013, 12:00 PM

Message:

ET MALWARE CommentCrew Possible APT backdoor stage 2 download base64 update.gif

Rule:

alert http $EXTERNAL_NET 80 -> $HOME_NET any (msg:"ET MALWARE CommentCrew Possible APT backdoor stage 2 download base64 update.gif"; flow:established,to_client; file_data; content:"IHVwZGF0ZS5naWY="; classtype:targeted-activity; sid:2016486; rev:4; metadata:created_at 2013_02_22, confidence Medium, signature_severity Major, updated_at 2019_07_26;)

Created:

Feb 22, 2013, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-malware.rules