ET MALWARE APT Mustang Panda CnC Activity

Query · suricata

flow:established,to_server;
content:".dat HTTP/1.1|0d 0a|User-Agent|3a 20|Microsoft Internet Explorer|0d 0a|"; fast_pattern;
http.method;
content:"GET";
http.header_names;
content:!"Referer";
content:!"Accept-";
Raw source ET MALWARE APT Mustang Panda 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 APT Mustang Panda CnC Activity";
    flow:established,to_server;
    content:".dat HTTP/1.1|0d 0a|User-Agent|3a 20|Microsoft Internet Explorer|0d 0a|"; fast_pattern;
    http.method;
    content:"GET";
    http.header_names;
    content:!"Referer";
    content:!"Accept-";
    reference:url,go.recordedfuture.com/hubfs/reports/cta-2020-0728.pdf;
    reference:md5,2ec79d0605a4756f4732aba16ef41b22;
    classtype:command-and-control;
    sid:2030671; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2020_08_10, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag MustangPanda, tag TA416, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_10;
)

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