ET MALWARE Spora Ransomware Checkin

Query · suricata

flow:to_server,established;
http.method;
content:"POST";
http.request_body;
content:"=XDATABASE64ENCRYPTED"; fast_pattern;
http.header_names;
content:!"Cookie|0d 0a|";
content:!"Referer|0d 0a|";
Raw source ET MALWARE Spora Ransomware Checkin · 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 Spora Ransomware Checkin";
    flow:to_server,established;
    http.method;
    content:"POST";
    http.request_body;
    content:"=XDATABASE64ENCRYPTED"; fast_pattern;
    http.header_names;
    content:!"Cookie|0d 0a|";
    content:!"Referer|0d 0a|";
    classtype:command-and-control;
    sid:2024041; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2017_03_09, deployment Perimeter, malware_family Spora, confidence High, signature_severity Major, tag Ransomware, updated_at 2020_11_04, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)

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