alert tcp $EXTERNAL_NET any -> $HOME_NET 3389 (msg:"ET POLICY MS Remote Desktop POS User Login Request"; flow:to_server,established; content:"|03 00 00|"; depth:3; content:"|e0 00 00 00 00 00|"; distance:2; within:6; content:"Cookie|3a| mstshash=pos|0d 0a|"; nocase; reference:cve,2001-0540; classtype:protocol-command-decode; sid:2012711; rev:1; metadata:created_at 2011_04_22, cve CVE_2001_0540, confidence High, signature_severity Informational, updated_at 2019_07_26;)