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;)