ET MALWARE Remcos Builder License Check

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"logaccess.php?DATA="; fast_pattern;
pcre:"/^[0-9A-F]+$/R";
http.user_agent;
content:"Remcos"; bsize:6;
Raw source ET MALWARE Remcos Builder License Check · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Remcos Builder License Check";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"logaccess.php?DATA="; fast_pattern;
    pcre:"/^[0-9A-F]+$/R";
    http.user_agent;
    content:"Remcos"; bsize:6;
    classtype:trojan-activity;
    sid:2032783; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_04_19, deployment Perimeter, malware_family Remcos, performance_impact Low, confidence High, signature_severity Major, updated_at 2021_04_19;
)

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