Rule History

SID: 2012966 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 5 • Jun 9, 2011, 12:00 PM

Message:

ET SHELLCODE Possible %0d%0d%0d%0d Heap Spray Attempt

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET SHELLCODE Possible %0d%0d%0d%0d Heap Spray Attempt"; flow:established,to_client; content:"%0d%0d%0d%0d"; nocase; reference:url,www.darkreading.com/security/vulnerabilities/221901428/index.html; classtype:shellcode-detect; sid:2012966; rev:5; metadata:created_at 2011_06_09, confidence Medium, signature_severity Major, updated_at 2024_03_13;)

Created:

Jun 9, 2011, 12:00 PM

Updated:

Mar 13, 2024, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

May 30, 2025, 12:04 AM

Filename:

rules/emerging-shellcode.rules