ET MALWARE NightfallGT Discord Nitro Ransomware

Query · suricata

flow:established,to_server;
http.request_line;
content:"POST /api/webhooks/"; startswith;
http.host;
content:"discord.com";
http.request_body;
content:"**Program executed**"; fast_pattern;
content:"Status|3a 20|Active|20|"; distance:0;
content:"PC|20|Name|3a 20|"; distance:0;
content:"IP|20|Address|3a 20|"; distance:0;
Raw source ET MALWARE NightfallGT Discord Nitro Ransomware · Suricata
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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 NightfallGT Discord Nitro Ransomware";
    flow:established,to_server;
    http.request_line;
    content:"POST /api/webhooks/"; startswith;
    http.host;
    content:"discord.com";
    http.request_body;
    content:"**Program executed**"; fast_pattern;
    content:"Status|3a 20|Active|20|"; distance:0;
    content:"PC|20|Name|3a 20|"; distance:0;
    content:"IP|20|Address|3a 20|"; distance:0;
    reference:md5,0adc114f1b8ed3336d73d4d0521c39f5;
    reference:url,github.com/NightfallGT/Nitro-Ransomware;
    classtype:command-and-control;
    sid:2033000; rev:2;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2021_05_19, deployment Perimeter, deployment SSLDecrypt, confidence High, signature_severity Major, tag Ransomware, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_05_19, mitre_tactic_id TA0040, mitre_tactic_name Impact, mitre_technique_id T1486, mitre_technique_name Data_Encrypted_for_Impact;
)

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