ET MALWARE Suspected TA401/AridViper APT BarbWire Backdoor Related Activity M2 (POST)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:!"|2e|";
http.content_type; bsize:33;
content:"application/x-www-form-urlencoded";
http.request_body;
content:"cname="; startswith;
content:"&av="; distance:0;
content:"&aname="; distance:0; fast_pattern;
content:"&ver="; distance:0;
http.header_names;
content:!"Referer|0d 0a|";
target:src_ip;
Raw source ET MALWARE Suspected TA401/AridViper APT BarbWire Backdoor Related Activity M2 (POST) · 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 TA401/AridViper APT BarbWire Backdoor Related Activity M2 (POST)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:!"|2e|";
    http.content_type; bsize:33;
    content:"application/x-www-form-urlencoded";
    http.request_body;
    content:"cname="; startswith;
    content:"&av="; distance:0;
    content:"&aname="; distance:0; fast_pattern;
    content:"&ver="; distance:0;
    http.header_names;
    content:!"Referer|0d 0a|";
    reference:md5,4d9b6b0e7670dd5919b188cb71d478c0;
    reference:url,www.sentinelone.com/labs/gaza-cybergang-unified-front-targeting-hamas-opposition/;
    classtype:trojan-activity;
    sid:2052322; rev:1;
    metadata:attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_05_01, deployment Perimeter, deployment SSLDecrypt, malware_family AridViper, malware_family TA401, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_05_01;
    target:src_ip;
)

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