alert tcp $EXTERNAL_NET any -> $HOME_NET 3389 (msg:"ET INFO MS Remote Desktop Service User Login Request"; flow:established,to_server; content:"|03 00 00|"; depth:3; content:"|e0 00 00 00 00 00|"; distance:2; within:6; content:"Cookie|3a| mstshash=service|0d 0a|"; nocase; reference:cve,CAN-2001-0540; classtype:protocol-command-decode; sid:2012712; rev:2; metadata:created_at 2011_04_22, confidence High, signature_severity Informational, updated_at 2024_03_06;)