Rule History

SID: 2016715 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 3 • Apr 4, 2013, 12:00 PM

Message:

ET SHELLCODE Possible Backslash Escaped UTF-16 0c0c Heap Spray

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET SHELLCODE Possible Backslash Escaped UTF-16 0c0c Heap Spray"; flow:established,to_client; file_data; content:"|5C|0c0c"; nocase; distance:0; classtype:bad-unknown; sid:2016715; rev:3; metadata:created_at 2013_04_04, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Apr 4, 2013, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 27, 2025, 10:34 PM

Filename:

rules/emerging-shellcode.rules