Versions (4)
Version DetailsCurrent
Rev: 2 • Mar 14, 2022, 12:00 PMET MALWARE Gamaredon APT Related Maldoc Activity (GET)
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:".ndf"; endswith; fast_pattern; http.user_agent; content:"|3b 20|ms-office|3b 20|"; http.header; content:!"Referer"; reference:md5,eecaecd170ef3d7a5976d435f6d03ef8; reference:url,twitter.com/500mk500/status/1502545185510731777; classtype:trojan-activity; sid:2035449; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_03_14, deployment Perimeter, deprecation_reason Age, malware_family Gamaredon, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_08_25, reviewed_at 2023_08_25;)
Mar 14, 2022, 12:00 PM
Aug 25, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 5, 2025, 9:34 PM
rules/emerging-malware.rules