ET MALWARE [ANY.RUN] WhiteSnake Stealer HTTP POST Report Exfiltration

Query · suricata

flow:established, to_server;
http.method;
content:"POST";
http.header_names;
content:"|0d 0a|Host|0d 0a|Content-Length|0d 0a|Expect|0d 0a|Connection|0d 0a 0d 0a|"; startswith;
http.request_body;
content:"WSR$"; fast_pattern; depth:4;
Raw source ET MALWARE [ANY.RUN] WhiteSnake Stealer HTTP POST Report Exfiltration · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE [ANY.RUN] WhiteSnake Stealer HTTP POST Report Exfiltration";
    flow:established, to_server;
    http.method;
    content:"POST";
    http.header_names;
    content:"|0d 0a|Host|0d 0a|Content-Length|0d 0a|Expect|0d 0a|Connection|0d 0a 0d 0a|"; startswith;
    http.request_body;
    content:"WSR$"; fast_pattern; depth:4;
    reference:url,community.emergingthreats.net/t/whitesnake/1338/;
    reference:md5,5302fff6311dab7554eaf7902c2aaa61;
    reference:url,app.any.run/tasks/5dc1cfaa-5470-4708-92d8-b8703b47c1f7;
    classtype:trojan-activity;
    sid:2050602; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2024_01_30, deployment Perimeter, malware_family WhiteSnake, confidence High, signature_severity Major, tag Stealer, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_30, reviewed_at 2024_10_14;
)

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