ET MALWARE Possible DACLS RAT CnC (Log Server Reporting)

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.request_body;
content:"log=save&session_id="; depth:20; fast_pattern;
content:"&value="; distance:0;
pcre:"/^log=save&session_id=[^&]+&value=[^&]+$/";
Raw source ET MALWARE Possible DACLS RAT CnC (Log Server Reporting) · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Possible DACLS RAT CnC (Log Server Reporting)";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.request_body;
    content:"log=save&session_id="; depth:20; fast_pattern;
    content:"&value="; distance:0;
    pcre:"/^log=save&session_id=[^&]+&value=[^&]+$/";
    reference:url,blog.netlab.360.com/dacls-the-dual-platform-rat-en/;
    classtype:command-and-control;
    sid:2029879; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_04_10, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_16;
)

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