ET MALWARE Gamaredon APT Related Maldoc Activity (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:"|2f 5f|vti|5f|bin|2f|"; startswith;
content:".exe/_vti_rpc"; endswith; fast_pattern;
http.user_agent;
content:"MSFrontPage/"; startswith;
http.header_names;
content:"X-Vermeer-Content-Type";
content:!"Referer";
Raw source ET MALWARE Gamaredon APT Related Maldoc Activity (POST) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Gamaredon APT Related Maldoc Activity (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:"|2f 5f|vti|5f|bin|2f|"; startswith;
    content:".exe/_vti_rpc"; endswith; fast_pattern;
    http.user_agent;
    content:"MSFrontPage/"; startswith;
    http.header_names;
    content:"X-Vermeer-Content-Type";
    content:!"Referer";
    reference:md5,66486dbb4a01b9c48761498db2e13579;
    reference:url,twitter.com/DmitriyMelikov/status/1742855526864564426;
    classtype:misc-activity;
    sid:2049913; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_01_04, deployment Perimeter, confidence Medium, signature_severity Critical, tag Gamaredon, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_04;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.