ET MALWARE ELF/Muhstik Bot Reporting Vulnerable Server to CnC

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/pma.php?ip="; depth:12; fast_pattern;
pcre:"/^(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])$/R";
Raw source ET MALWARE ELF/Muhstik Bot Reporting Vulnerable Server to CnC · Suricata
Esc
Published by Emerging Threats Open ↗, licensed under BSD 3-Clause ↗. Line breaks added for readability; the rule is otherwise unchanged. 
alert http $HTTP_SERVERS any -> $EXTERNAL_NET any (
    msg:"ET MALWARE ELF/Muhstik Bot Reporting Vulnerable Server to CnC";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/pma.php?ip="; depth:12; fast_pattern;
    pcre:"/^(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])\.(25[0-5]|2[0-4][0-9]|1[0-9][0-9]|[1-9]?[0-9])$/R";
    reference:url,www.intezer.com/muhstik-botnet-reloaded-new-variants-targeting-phpmyadmin-servers/;
    classtype:command-and-control;
    sid:2026607; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Linux, attack_target Client_Endpoint, created_at 2018_11_14, deployment Perimeter, malware_family Muhstik, performance_impact Low, confidence High, signature_severity Major, tag DDoS, updated_at 2020_08_27;
)

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