ET MALWARE TA453 ClumsyCover Maldoc Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/session/downexlog/cd/"; fast_pattern; startswith;
http.header_names;
content:!"Referer|0d 0a|";
Raw source ET MALWARE TA453 ClumsyCover Maldoc Activity (GET) · 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 TA453 ClumsyCover Maldoc Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/session/downexlog/cd/"; fast_pattern; startswith;
    http.header_names;
    content:!"Referer|0d 0a|";
    classtype:trojan-activity;
    sid:2034883; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2021_09_29, deployment Perimeter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_25;
)

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.