ET MALWARE PolarEdge Webshell Activity

Query · suricata

flow:established,to_server;
http.uri;
content:"/cgi-bin/userLogin.cgi";
http.header;
content:"PASSHASH|3a 20|"; fast_pattern;
content:"XCMD|3a 20|";
target:dest_ip;
Raw source ET MALWARE PolarEdge Webshell Activity · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http any any -> $HOME_NET any (
    msg:"ET MALWARE PolarEdge Webshell Activity";
    flow:established,to_server;
    http.uri;
    content:"/cgi-bin/userLogin.cgi";
    http.header;
    content:"PASSHASH|3a 20|"; fast_pattern;
    content:"XCMD|3a 20|";
    reference:url,blog.sekoia.io/polaredge-unveiling-an-uncovered-iot-botnet/;
    classtype:trojan-activity;
    sid:2060441; rev:1;
    metadata:affected_product IoT, attack_target Networking_Equipment, tls_state plaintext, created_at 2025_02_28, deployment Perimeter, deployment Internal, malware_family PolarEdge, performance_impact Low, confidence High, signature_severity Major, updated_at 2025_02_28, mitre_tactic_id TA0008, mitre_tactic_name Lateral_Movement, mitre_technique_id T1210, mitre_technique_name Exploitation_Of_Remote_Services;
    target:dest_ip;
)

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