ET MALWARE W32/HelloBridge.Backdoor Login CnC Beacon

Query · suricata

flow:established,to_server;
urilen:51;
http.uri;
content:"/el/slogin.php?uid="; fast_pattern;
pcre:"/^\x2Fel\x2Fslogin\x2Ephp\x3Fuid\x3D[a-f0-9]{32}$/";
Raw source ET MALWARE W32/HelloBridge.Backdoor Login CnC Beacon · 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 -> $EXTERNAL_NET any (
    msg:"ET MALWARE W32/HelloBridge.Backdoor Login CnC Beacon";
    flow:established,to_server;
    urilen:51;
    http.uri;
    content:"/el/slogin.php?uid="; fast_pattern;
    pcre:"/^\x2Fel\x2Fslogin\x2Ephp\x3Fuid\x3D[a-f0-9]{32}$/";
    reference:url,www.secureworks.com/resources/blog/research/hellobridge-trojan-uses-heartbleed-news-to-lure-victims/;
    classtype:command-and-control;
    sid:2018475; rev:4;
    metadata:attack_target Client_Endpoint, created_at 2014_05_14, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_09_24, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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