alert tcp any any -> any any (msg:"ET SHELLCODE Siegburg Shellcode"; flow:established; content:"|31 eb 80 eb|"; content:"|58 80 30|"; distance:0; content:"|40 81 38|"; distance:0; classtype:shellcode-detect; sid:2009262; rev:3; metadata:created_at 2010_07_30, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)