ET MALWARE Win32/PivNoxy CnC Activity

Query · suricata

flow:established,to_server;
urilen:17;
http.cookie;
content:"id="; startswith; bsize:15;
http.header_names;
content:"|0d 0a|Accept|0d 0a|Cookie|0d 0a|User-Agent|0d 0a|Host|0d 0a|Content-Length|0d 0a|Connection|0d 0a|Cache-Control|0d 0a 0d 0a|"; fast_pattern;
http.uri;
pcre:"/^\/[0-9a-f]{16}$/";
Raw source ET MALWARE Win32/PivNoxy CnC 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 $HOME_NET any -> $EXTERNAL_NET any (
    msg:"ET MALWARE Win32/PivNoxy CnC Activity";
    flow:established,to_server;
    urilen:17;
    http.cookie;
    content:"id="; startswith; bsize:15;
    http.header_names;
    content:"|0d 0a|Accept|0d 0a|Cookie|0d 0a|User-Agent|0d 0a|Host|0d 0a|Content-Length|0d 0a|Connection|0d 0a|Cache-Control|0d 0a 0d 0a|"; fast_pattern;
    http.uri;
    pcre:"/^\/[0-9a-f]{16}$/";
    reference:url,www.welivesecurity.com/2021/02/01/operation-nightscout-supply-chain-attack-online-gaming-asia/;
    reference:md5,77a06a18015ee2d509d8e89000489eb6;
    reference:md5,7fd7b1c218d7df7a3f09a8f06f141c71;
    classtype:command-and-control;
    sid:2031596; rev:3;
    metadata:attack_target Client_Endpoint, created_at 2021_02_01, deployment Perimeter, malware_family Win32_PivNoxy, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_02_03;
)

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