ET MALWARE Sakula/Mivast RAT CnC Beacon 1

Query · suricata

flow:established,to_server;
http.uri;
content:".asp?imageid="; fast_pattern;
http.header_names;
content:!"Content-Type";
content:!"Accept-";
content:!"Referer";
Raw source ET MALWARE Sakula/Mivast RAT CnC Beacon 1 · 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 Sakula/Mivast RAT CnC Beacon 1";
    flow:established,to_server;
    http.uri;
    content:".asp?imageid="; fast_pattern;
    http.header_names;
    content:!"Content-Type";
    content:!"Accept-";
    content:!"Referer";
    reference:md5,3cd598e8e2fd033134d8784251eff59e;
    classtype:command-and-control;
    sid:2016139; rev:6;
    metadata:attack_target Client_Endpoint, created_at 2013_01_03, deployment Perimeter, signature_severity Major, tag c2, updated_at 2020_08_18, mitre_tactic_id TA0010, mitre_tactic_name Exfiltration, mitre_technique_id T1041, mitre_technique_name Exfiltration_Over_C2_Channel;
)

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