ET INFO Possible Host Profile Exfiltration In Pipe Delimited Format

Query · suricata

flow:established,to_server;
dsize:<400;
content:"|7c|Win|20|"; fast_pattern;
pcre:"/x(86|64)\x7c/R";
Raw source ET INFO Possible Host Profile Exfiltration In Pipe Delimited Format · 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 $HOME_NET any -> $EXTERNAL_NET 1024: (
    msg:"ET INFO Possible Host Profile Exfiltration In Pipe Delimited Format";
    flow:established,to_server;
    dsize:<400;
    content:"|7c|Win|20|"; fast_pattern;
    pcre:"/x(86|64)\x7c/R";
    reference:md5,8c7e5e4bd148abc1d5e6a44572bd2ddd;
    classtype:misc-activity;
    sid:2055385; rev:4;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, tls_state plaintext, created_at 2024_08_21, deployment Perimeter, confidence Low, signature_severity Informational, updated_at 2024_08_27;
)

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