ET MALWARE Win32/WhiskerSpy - Task Request

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php";
http.request_body;
content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|0|22 0d 0a 0d 0a|2|0d 0a|";
content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|1|22 0d 0a 0d 0a|h"; fast_pattern;
threshold:type limit, count 1, seconds 300, track by_src;
target:src_ip;
Raw source ET MALWARE Win32/WhiskerSpy - Task Request · Suricata
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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 Win32/WhiskerSpy - Task Request";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php";
    http.request_body;
    content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|0|22 0d 0a 0d 0a|2|0d 0a|";
    content:"Content-Disposition|3a 20|form-data|3b 20|name=|22|1|22 0d 0a 0d 0a|h"; fast_pattern;
    threshold:type limit, count 1, seconds 300, track by_src;
    reference:md5,8fb3695d1487b55aaf380190a0524098;
    reference:url,trendmicro.com/en_us/research/23/b/earth-kitsune-delivers-new-whiskerspy-backdoor.html;
    classtype:command-and-control;
    sid:2044252; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_02_20, deployment Perimeter, deployment SSLDecrypt, malware_family WhiskerSpy, performance_impact Low, confidence High, signature_severity Major, tag RAT, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_02_20;
    target:src_ip;
)

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