alert tcp any any -> any any (msg:"ET SHELLCODE Berlin Shellcode"; flow:established; content:"|31 c9 b1 fc 80 73 0c|"; content:"|43 e2 8b 9f|"; distance:0; classtype:shellcode-detect; sid:2009256; rev:3; metadata:created_at 2010_07_30, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)