Rule History

SID: 2102403 • Source: et/open

Versions (3)

Version DetailsCurrent

Rev: 7 • Sep 23, 2010, 12:00 PM

Message:

GPL NETBIOS SMB Session Setup AndX request unicode username overflow attempt

Rule:

alert tcp $EXTERNAL_NET any -> $HOME_NET 139 (msg:"GPL NETBIOS SMB Session Setup AndX request unicode username overflow attempt"; flow:stateless; content:"|00|"; depth:1; content:"|FF|SMBs"; within:5; distance:3; byte_test:1,&,128,6,relative; pcre:"/^.{27}/sR"; byte_test:4,!&,2147483648,21,relative,little; content:!"|00 00|"; within:510; distance:29; reference:bugtraq,9752; reference:url,www.eeye.com/html/Research/Advisories/AD20040226.html; classtype:protocol-command-decode; sid:2102403; rev:7; metadata:created_at 2010_09_23, confidence Medium, signature_severity Informational, updated_at 2019_07_26;)

Created:

Sep 23, 2010, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-netbios.rules