Rule History

SID: 2036228 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 2 • Apr 15, 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; content:".db2"; endswith; fast_pattern; http.user_agent; content:"|3b 20|ms-office|3b 20|"; http.header_names; content:!"Referer|0d 0a|"; reference:md5,db9df7f1bcfba0346d9e7de729c018a2; reference:url,twitter.com/500mk500/status/1515002456882786310; classtype:trojan-activity; sid:2036228; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_04_15, deployment Perimeter, malware_family Gamaredon, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_16;)

Created:

Apr 15, 2022, 12:00 PM

Updated:

Mar 16, 2023, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Sep 3, 2025, 8:34 PM

Filename:

rules/emerging-malware.rules