ET MALWARE Cobalt Strike Malleable C2 Amazon Profile POST (RIFF)

Query · suricata

flow:to_server,established;
http.method;
content:"POST";
http.uri;
content:"/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books"; fast_pattern;
http.header_names;
content:!"Referer|0d 0a|";
http.request_body;
content:"|52 49 46 46|"; startswith;
Raw source ET MALWARE Cobalt Strike Malleable C2 Amazon Profile POST (RIFF) · 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 Cobalt Strike Malleable C2 Amazon Profile POST (RIFF)";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.uri;
    content:"/s/ref=nb_sb_noss_1/167-3294888-0262949/field-keywords=books"; fast_pattern;
    http.header_names;
    content:!"Referer|0d 0a|";
    http.request_body;
    content:"|52 49 46 46|"; startswith;
    reference:url,securelist.com/ghostemperor-from-proxylogon-to-kernel-mode/104407/;
    classtype:command-and-control;
    sid:2034086; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_10_01, deployment Perimeter, malware_family Cobalt_Strike, performance_impact Low, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_10_01;
)

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