ET MALWARE Waledac FACEPUNCH Traffic Detected

Query · suricata

flow:to_server,established;
http.method;
content:"POST"; depth:4;
http.header;
content:"X-Request-Kind-Code|3a 20|"; fast_pattern;
http.user_agent;
content:"Mozilla"; startswith;
http.referer;
content:"Mozilla"; nocase; bsize:7;
Raw source ET MALWARE Waledac FACEPUNCH Traffic Detected · 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 Waledac FACEPUNCH Traffic Detected";
    flow:to_server,established;
    http.method;
    content:"POST"; depth:4;
    http.header;
    content:"X-Request-Kind-Code|3a 20|"; fast_pattern;
    http.user_agent;
    content:"Mozilla"; startswith;
    http.referer;
    content:"Mozilla"; nocase; bsize:7;
    reference:url,trendmicro.com/cloud-content/us/pdfs/security-intelligence/white-papers/wp_infiltrating_the_waledac_botnet_v2.pdf;
    classtype:trojan-activity;
    sid:2017455; rev:8;
    metadata:created_at 2013_09_11, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_09_21;
)

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