Back to Rule

Rule History

SID: 2012254 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 4Feb 3, 2011, 12:00 PM

ET SHELLCODE Common %u0a0a%u0a0a UTF-16 Heap Spray String

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET SHELLCODE Common %u0a0a%u0a0a UTF-16 Heap Spray String"; flow:established,to_client; content:"%u0a0a%u0a0a"; nocase; reference:url,www.darkreading.com/security/vulnerabilities/221901428/index.html; classtype:shellcode-detect; sid:2012254; rev:4; metadata:created_at 2011_02_03, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_09_27;)

Feb 3, 2011, 12:00 PM

Sep 27, 2019, 12:00 PM

Sep 21, 2024, 3:00 AM

Jan 20, 2026, 9:34 PM

rules/emerging-shellcode.rules