ET MALWARE TA427 Suspected ReconShark Related Response (Inbound)

Query · suricata

flow:established,to_client;
http.header;
content:"x-goog-hash|3a 20|"; nocase;
file.data;
content:"johnbegin--";
content:"--johnend"; fast_pattern;
target:dest_ip;
Raw source ET MALWARE TA427 Suspected ReconShark Related Response (Inbound) · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE TA427 Suspected ReconShark Related Response (Inbound)";
    flow:established,to_client;
    http.header;
    content:"x-goog-hash|3a 20|"; nocase;
    file.data;
    content:"johnbegin--";
    content:"--johnend"; fast_pattern;
    classtype:trojan-activity;
    sid:2048127; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_09_20, deployment Perimeter, deployment SSLDecrypt, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_09_20, reviewed_at 2023_09_20;
    target:dest_ip;
)

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