ET MALWARE Cobalt Strike Malleable C2 Amazon Profile Variant (GET)

Query · suricata

flow:established,to_server;
http.method;
content:"GET";
http.uri;
content:"/s/re1f=n1b_s1b_n1oss_1/1617-3222948188-02162949/fie1ld-keyw1ords=bo1oks"; bsize:72;
http.header;
content:"Cook1ie|3a 20|skin=nosk111in|3b|"; fast_pattern;
Raw source ET MALWARE Cobalt Strike Malleable C2 Amazon Profile Variant (GET) · 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 Variant (GET)";
    flow:established,to_server;
    http.method;
    content:"GET";
    http.uri;
    content:"/s/re1f=n1b_s1b_n1oss_1/1617-3222948188-02162949/fie1ld-keyw1ords=bo1oks"; bsize:72;
    http.header;
    content:"Cook1ie|3a 20|skin=nosk111in|3b|"; fast_pattern;
    reference:md5,c05f3ef094c103163d2fae6932e1c324;
    reference:url,twitter.com/obfusor/status/1539945037563174912;
    classtype:trojan-activity;
    sid:2037096; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2022_06_23, deployment Perimeter, deployment SSLDecrypt, malware_family Cobalt_Strike, confidence Medium, signature_severity Major, updated_at 2022_06_23, mitre_tactic_id TA0011, mitre_tactic_name Command_And_Control, mitre_technique_id T1001, mitre_technique_name Data_Obfuscation;
)

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