ET MALWARE Possible Bitter APT Activity (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"id|3d 25|computername|25 3b|timeout"; endswith; fast_pattern;
Raw source ET MALWARE Possible Bitter APT 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 Possible Bitter APT Activity (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"id|3d 25|computername|25 3b|timeout"; endswith; fast_pattern;
    reference:md5,cce89f4956a5c8b1bec82b21e371645b;
    classtype:trojan-activity;
    sid:2044781; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_03_27, deployment Perimeter, malware_family Bitter, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_03_27;
)

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