Rule History

SID: 2021039 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 3 • Apr 30, 2015, 12:00 PM

Message:

ET EXPLOIT_KIT CottonCastle/Niteris EK Landing April 29 2015

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET EXPLOIT_KIT CottonCastle/Niteris EK Landing April 29 2015"; flow:established,from_server; file_data; content:"lortnoCgA.lortnoCgA"; content:"reverse"; classtype:exploit-kit; sid:2021039; rev:3; metadata:created_at 2015_04_30, deprecation_reason False_Positive, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2022_07_27;)

Created:

Apr 30, 2015, 12:00 PM

Updated:

Jul 27, 2022, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Oct 13, 2025, 9:34 PM

Filename:

rules/emerging-exploit_kit.rules