ET MALWARE Nitro Stealer Exfil Activity (Response)

Query · suricata

flow:established,to_client;
http.stat_code;
content:"200";
file.data;
content:"is_bot|22 3a|";
content:"|2c 22|username|22 3a 22|nitronotification_bot|22|"; fast_pattern;
Raw source ET MALWARE Nitro Stealer Exfil Activity (Response) · 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 $EXTERNAL_NET any -> $HOME_NET any (
    msg:"ET MALWARE Nitro Stealer Exfil Activity (Response)";
    flow:established,to_client;
    http.stat_code;
    content:"200";
    file.data;
    content:"is_bot|22 3a|";
    content:"|2c 22|username|22 3a 22|nitronotification_bot|22|"; fast_pattern;
    reference:url,app.any.run/tasks/ab993f27-958c-4ab4-8da4-0bcd7fe35fcd/;
    reference:url,twitter.com/James_inthe_box/status/1378044484089376768;
    reference:md5,95b98ecb440a23daefc5c12d0edfa048;
    classtype:trojan-activity;
    sid:2032418; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2021_04_02, deployment Perimeter, performance_impact Low, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_04_02;
)

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