ET MALWARE Pure Logs Stealer/Fenix Botnet CnC Activity (GET) M3

Query · suricata

flow:established,to_server;
urilen:<24;
http.method;
content:"GET";
http.uri;
content:"/update_panel/"; startswith;
content:".txt"; endswith;
pcre:"/^(?:reg|kill|other)\x2etxt$/R";
http.user_agent;
content:"WindowsPowerShell/"; fast_pattern;
http.header_names;
content:!"|0d 0a|Referer|0d 0a|";
Raw source ET MALWARE Pure Logs Stealer/Fenix Botnet CnC Activity (GET) M3 · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE Pure Logs Stealer/Fenix Botnet CnC Activity (GET) M3";
    flow:established,to_server;
    urilen:<24;
    http.method;
    content:"GET";
    http.uri;
    content:"/update_panel/"; startswith;
    content:".txt"; endswith;
    pcre:"/^(?:reg|kill|other)\x2etxt$/R";
    http.user_agent;
    content:"WindowsPowerShell/"; fast_pattern;
    http.header_names;
    content:!"|0d 0a|Referer|0d 0a|";
    reference:md5,0fa0287db10babb0893ed0573fc34f82;
    classtype:trojan-activity;
    sid:2051706; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state TLSDecrypt, created_at 2024_03_20, deployment Perimeter, deployment SSLDecrypt, confidence Medium, signature_severity Major, tag c2, updated_at 2024_03_20, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1071, mitre_technique_name Application_Layer_Protocol;
)

Detection rules belong to the projects that publish them and remain under their own licenses. This site indexes and links to them; it claims no rights in them.