ET MALWARE Suspected FIN7/Carbanak Related Payload C2 Downloader (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"?av="; offset:74;
content:"&domain="; fast_pattern;
content:"&os=";
content:"&m=";
http.header_names;
content:!"|0d 0a|User-Agent|0d 0a|"; nocase;
target:src_ip;
Raw source ET MALWARE Suspected FIN7/Carbanak Related Payload C2 Downloader (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 Suspected FIN7/Carbanak Related Payload C2 Downloader (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"?av="; offset:74;
    content:"&domain="; fast_pattern;
    content:"&os=";
    content:"&m=";
    http.header_names;
    content:!"|0d 0a|User-Agent|0d 0a|"; nocase;
    classtype:trojan-activity;
    sid:2049867; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2023_12_28, deployment Perimeter, performance_impact Moderate, confidence Medium, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_18;
    target:src_ip;
)

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