ET MALWARE WhiteSnake Stealer Response (Inbound)

Query · suricata

flow:established,to_client;
content:"Content-Type|3a 20|application/json|0d 0a|";
content:"|22|is_bot|22 3a|true,|22|first_name|22 3a 22|Gurcu|20|-"; fast_pattern;
content:"_report.wsr|22|";
target:dest_ip;
Raw source ET MALWARE WhiteSnake Stealer Response (Inbound) · Suricata
Esc
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 WhiteSnake Stealer Response (Inbound)";
    flow:established,to_client;
    content:"Content-Type|3a 20|application/json|0d 0a|";
    content:"|22|is_bot|22 3a|true,|22|first_name|22 3a 22|Gurcu|20|-"; fast_pattern;
    content:"_report.wsr|22|";
    reference:url,twitter.com/suyog41/status/1628373761807511553;
    reference:md5,716d01d18140ec5e18b1a15c17fb213f;
    classtype:trojan-activity;
    sid:2044338; rev:1;
    metadata:attack_target Client_Endpoint, created_at 2023_02_24, deployment Perimeter, deployment SSLDecrypt, malware_family Gurcu, malware_family WhiteSnake, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_05_26;
    target:dest_ip;
)

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