ET HUNTING Possible Host Profile Exfiltration on High TCP Port

Query · suricata

flow:established,to_server;
content:"OS|20|Version|3a 20|Microsoft|20|Windows|20|"; startswith; fast_pattern;
content:"Edition|3a 20|Microsoft|20|Windows"; distance:0;
content:"|20|User|3a 20|";
content:"|20|Domain|3a 20|";
Raw source ET HUNTING Possible Host Profile Exfiltration on High TCP Port · 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 tcp-pkt $HOME_NET any -> $EXTERNAL_NET 1024: (
    msg:"ET HUNTING Possible Host Profile Exfiltration on High TCP Port";
    flow:established,to_server;
    content:"OS|20|Version|3a 20|Microsoft|20|Windows|20|"; startswith; fast_pattern;
    content:"Edition|3a 20|Microsoft|20|Windows"; distance:0;
    content:"|20|User|3a 20|";
    content:"|20|Domain|3a 20|";
    reference:md5,61dfc228a478f21326908f0231ff553c;
    classtype:misc-activity;
    sid:2057891; rev:1;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, affected_product Windows_11, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_11_27, deployment Perimeter, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_11_27;
)

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