ET NETBIOS Microsoft Windows SMB Client Race Condition Remote Code Execution

Query · suricata

flow:to_client,established;
content:"|ff 53 4d 42 72|"; offset:4; depth:5;
content:"|00 00 00 00|"; within:4;
byte_test:4,<,4356,30,relative,little;
Raw source ET NETBIOS Microsoft Windows SMB Client Race Condition Remote Code Execution · 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 $EXTERNAL_NET 445 -> $HOME_NET any (
    msg:"ET NETBIOS Microsoft Windows SMB Client Race Condition Remote Code Execution";
    flow:to_client,established;
    content:"|ff 53 4d 42 72|"; offset:4; depth:5;
    content:"|00 00 00 00|"; within:4;
    byte_test:4,<,4356,30,relative,little;
    reference:url,www.exploit-db.com/exploits/12258/;
    reference:cve,2010-0017;
    reference:bid,38100;
    reference:url,www.microsoft.com/technet/security/Bulletin/MS10-006.mspx;
    classtype:attempted-user;
    sid:2012084; rev:3;
    metadata:created_at 2010_12_22, cve CVE_2010_0017, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_19, mitre_tactic_id TA0001, mitre_tactic_name Initial_Access, mitre_technique_id T1190, mitre_technique_name Exploit_Public_Facing_Application;
)

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