Rule History

SID: 2017768 • Source: et/open

Versions (5)

Version DetailsCurrent

Rev: 3 • Nov 26, 2013, 12:00 PM

Message:

ET HUNTING SUSPICIOUS Java Request With Uncompressed JAR/Class Mozilla JS Class Creation

Rule:

alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING SUSPICIOUS Java Request With Uncompressed JAR/Class Mozilla JS Class Creation"; flow:established,from_server; flowbits:isset,et.JavaArchiveOrClass; file_data; content:"sun.org.mozilla.javascript.internal.Context"; content:"sun.org.mozilla.javascript.internal.GeneratedClassLoader"; classtype:trojan-activity; sid:2017768; rev:3; metadata:created_at 2013_11_26, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)

Created:

Nov 26, 2013, 12:00 PM

Updated:

Jul 26, 2019, 12:00 PM

DB Created:

Sep 21, 2024, 3:00 AM

DB Updated:

Nov 21, 2025, 9:34 PM

Filename:

rules/emerging-hunting.rules