ET MALWARE Win32/Unknown CnC Activity

Query · suricata

flow:established,to_server;
http.method;
content:"POST";
http.host;
content:".onion"; endswith;
http.uri;
content:"getUpdate|2e|php|3f|info|3d|"; startswith; fast_pattern;
content:"&hw="; distance:0;
content:"&id="; distance:0;
Raw source ET MALWARE Win32/Unknown CnC Activity · Suricata
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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/Unknown CnC Activity";
    flow:established,to_server;
    http.method;
    content:"POST";
    http.host;
    content:".onion"; endswith;
    http.uri;
    content:"getUpdate|2e|php|3f|info|3d|"; startswith; fast_pattern;
    content:"&hw="; distance:0;
    content:"&id="; distance:0;
    reference:md5,3f192b2de5f02501d2b56585db9f41b2;
    reference:url,twitter.com/malwrhunterteam/status/1562886002880167936;
    classtype:trojan-activity;
    sid:2038630; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_08_26, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_08_26;
)

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