ET HUNTING Suspicious Zipped Filename in Outbound POST Request (Mozilla_Firefox_Cookies) M1

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"PK"; depth:2;
content:"Mozilla_Firefox_Cookies"; distance:26; within:100; nocase; fast_pattern;
Raw source ET HUNTING Suspicious Zipped Filename in Outbound POST Request (Mozilla_Firefox_Cookies) M1 · 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 HUNTING Suspicious Zipped Filename in Outbound POST Request (Mozilla_Firefox_Cookies) M1";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"PK"; depth:2;
    content:"Mozilla_Firefox_Cookies"; distance:26; within:100; nocase; fast_pattern;
    classtype:trojan-activity;
    sid:2027278; rev:2;
    metadata:attack_target Client_and_Server, created_at 2019_04_24, deployment Perimeter, performance_impact Low, confidence Medium, signature_severity Major, tag T1002, tag data_compressed, updated_at 2020_08_28;
)

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.