Rule History

SID: 2021035 • Source: et/open

Versions (4)

Version DetailsCurrent

Rev: 4 • Apr 30, 2015, 12:00 PM

Message:

ET EXPLOIT_KIT CottonCastle/Niteris EK Java Exploit URI Struct April 29 2015

Rule:

alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET EXPLOIT_KIT CottonCastle/Niteris EK Java Exploit URI Struct April 29 2015"; flow:established,to_server; content:"Java/"; http_user_agent; fast_pattern; pcre:"/^\/[a-z]+\/[a-z]+\/\d\/[A-Z]+\/[a-f0-9]{32}(?:[a-f0-9]{8})?(?:\.[a-z]+)?$/U"; classtype:exploit-kit; sid:2021035; rev:4; metadata:created_at 2015_04_30, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_10_08;)

Created:

Apr 30, 2015, 12:00 PM

Updated:

Oct 8, 2019, 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