Rule History

SID: 2035450 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 1 • Mar 14, 2022, 12:00 PM

Message:

ET MALWARE Gamaredon APT Related Maldoc Activity (GET)

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Gamaredon APT Related Maldoc Activity (GET)"; flow:established,to_server; http.method; content:"GET"; http.uri.raw; content:"/%D0"; startswith; content:"-%D0%9F"; distance:0; fast_pattern; content:".dot"; endswith; http.user_agent; content:"|3b 20|ms-office|3b 20|"; http.header; content:!"Referer"; reference:md5,91c27abec8fda1410e2fae396f592e93; reference:md5,8d1ce6280d2f66ff3e4fe1644bf24247; reference:url,twitter.com/500mk500/status/1502545185510731777; classtype:trojan-activity; sid:2035450; rev:1; metadata:attack_target Client_Endpoint, created_at 2022_03_14, deployment Perimeter, malware_family Gamaredon, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_03_14;)

Created:

Mar 14, 2022, 12:00 PM

Updated:

Mar 14, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 5, 2025, 9:34 PM

Filename:

rules/emerging-malware.rules