ET POLICY [MS-RPRN] Windows Printer Spooler Activity - AddPrinterDriverEx with Suspicious Filepath

Query · suricata

flow:established,to_server;
content:"|00|"; startswith;
content:"SMB"; distance:4; within:3;
content:"|00 00|"; distance:0;
content:"|10 00 00 00|"; distance:1; within:4;
content:"|59 00|"; distance:14; within:2;
content:"|5c|spool|5c|drivers|5c|x64|5c|3|5c|old|5c|"; fast_pattern;
Raw source ET POLICY [MS-RPRN] Windows Printer Spooler Activity - AddPrinterDriverEx with Suspicious Filepath · 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 any any -> $HOME_NET [139,445] (
    msg:"ET POLICY [MS-RPRN] Windows Printer Spooler Activity - AddPrinterDriverEx with Suspicious Filepath";
    flow:established,to_server;
    content:"|00|"; startswith;
    content:"SMB"; distance:4; within:3;
    content:"|00 00|"; distance:0;
    content:"|10 00 00 00|"; distance:1; within:4;
    content:"|59 00|"; distance:14; within:2;
    content:"|5c|spool|5c|drivers|5c|x64|5c|3|5c|old|5c|"; fast_pattern;
    classtype:misc-activity;
    sid:2033246; rev:3;
    metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, created_at 2021_07_06, cve 2021_34527, confidence High, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2021_07_08;
)

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