ET MALWARE Monsoon Tinytyphon CnC Beacon Exfiltrating Docs

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.uri;
content:".php";
http.request_body;
content:"name=|22|MD5|22|";
content:"name=|22|fname|22|"; distance:0;
content:"name=|22|compname|22|"; distance:0;
content:"name=|22|uploadedfile|22 3b|"; fast_pattern;
Raw source ET MALWARE Monsoon Tinytyphon CnC Beacon Exfiltrating Docs · 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 Monsoon Tinytyphon CnC Beacon Exfiltrating Docs";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.uri;
    content:".php";
    http.request_body;
    content:"name=|22|MD5|22|";
    content:"name=|22|fname|22|"; distance:0;
    content:"name=|22|compname|22|"; distance:0;
    content:"name=|22|uploadedfile|22 3b|"; fast_pattern;
    reference:md5,f32c5a923393a2ae2fcd292f299b63b1;
    reference:url,blogs.forcepoint.com/security-labs/monsoon-analysis-apt-campaign;
    classtype:command-and-control;
    sid:2023050; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2016_08_11, deployment Perimeter, confidence High, signature_severity Major, tag c2, updated_at 2020_10_06, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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