Rule History

alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET DELETED Possible Call with No Offset TCP Shellcode"; flow:established; content:"|E8 00 00 00 00 0F 1A|"; reference:url,community.rsa.com/community/products/netwitness/blog/2012/08/22/network-detection-of-x86-buffer-overflow-shellcode; classtype:shellcode-detect; sid:2012090; rev:6; metadata:created_at 2010_12_23, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2025_05_05;)