Rule History

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET SHELLCODE Javascript Split String Unicode Heap Spray Attempt"; flow:established,to_client; content:"|22|u|22 20|+|20 22|0|22 20|+|20 22|"; content:"|22 20|+|20 22|"; distance:1; within:5; pcre:"/\x220\x22\x20\x2B\x20\x22[a-d]\x22\x20\x2B\x20\x22/smi"; classtype:shellcode-detect; sid:2012925; rev:2; metadata:created_at 2011_06_02, confidence High, signature_severity Major, updated_at 2019_07_26;)