ET MALWARE Suspected Powershell Empire Activity M1

Query · suricata

flow:established,to_server;
urilen:18;
http.uri;
content:"/login/process.php"; fast_pattern;
http.header_names;
content:!"|0d 0a|referer|0d 0a|"; nocase;
content:!"|0d 0a|accept|0d 0a|"; nocase;
content:"|0d 0a|cookie|0d 0a|user-agent|0d 0a|"; startswith; nocase;
Raw source ET MALWARE Suspected Powershell Empire Activity M1 · 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 Suspected Powershell Empire Activity M1";
    flow:established,to_server;
    urilen:18;
    http.uri;
    content:"/login/process.php"; fast_pattern;
    http.header_names;
    content:!"|0d 0a|referer|0d 0a|"; nocase;
    content:!"|0d 0a|accept|0d 0a|"; nocase;
    content:"|0d 0a|cookie|0d 0a|user-agent|0d 0a|"; startswith; nocase;
    reference:url,github.com/EmpireProject/Empire;
    classtype:trojan-activity;
    sid:2053781; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Mac_OSX, affected_product Linux, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_06_20, deployment Perimeter, malware_family Empire, confidence Medium, signature_severity Major, tag c2, updated_at 2024_06_20, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
)

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