ET MALWARE NetSupport RAT with System Information

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.user_agent;
content:"NetSupport Manager/1.3"; depth:22;
http.request_body;
content:"CMD="; depth:4;
content:"CLIENT_ADDR="; distance:0; fast_pattern;
content:"PORT="; distance:0;
content:"MACADDRESS="; distance:0;
http.header_names;
content:!"Accept";
content:!"Referer";
Raw source ET MALWARE NetSupport RAT with System Information · 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 NetSupport RAT with System Information";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.user_agent;
    content:"NetSupport Manager/1.3"; depth:22;
    http.request_body;
    content:"CMD="; depth:4;
    content:"CLIENT_ADDR="; distance:0; fast_pattern;
    content:"PORT="; distance:0;
    content:"MACADDRESS="; distance:0;
    http.header_names;
    content:!"Accept";
    content:!"Referer";
    reference:md5,78c80a33f77d5efd69969b5ddf93e348;
    classtype:trojan-activity;
    sid:2035894; rev:4;
    metadata:attack_target Client_Endpoint, created_at 2017_08_31, deployment Perimeter, malware_family NetSupport_RAT, performance_impact Moderate, confidence High, signature_severity Major, updated_at 2022_08_29;
)

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