ET MALWARE PennyWise Stealer Data Exfil M2

Query · suricata

flow:established,to_server;
http.request_line;
content:"POST|20|/uploadfile|20|";
http.request_body;
content:"|2a|PennyWise|20|v1|2e|"; fast_pattern;
content:"Worker|3a 20|";
content:"IP|3a 20|";
content:"Username|3a 20|";
content:"PC|3a 20|";
content:"System|3a 20|";
target:src_ip;
Raw source ET MALWARE PennyWise Stealer Data Exfil M2 · 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 PennyWise Stealer Data Exfil M2";
    flow:established,to_server;
    http.request_line;
    content:"POST|20|/uploadfile|20|";
    http.request_body;
    content:"|2a|PennyWise|20|v1|2e|"; fast_pattern;
    content:"Worker|3a 20|";
    content:"IP|3a 20|";
    content:"Username|3a 20|";
    content:"PC|3a 20|";
    content:"System|3a 20|";
    reference:url,twitter.com/crep1x/status/1638596449226170370;
    classtype:trojan-activity;
    sid:2044748; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2023_03_22, deployment Perimeter, malware_family PennyWise, performance_impact Low, confidence High, signature_severity Critical, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_28, reviewed_at 2024_02_07;
    target:src_ip;
)

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