Versions (4)
Version DetailsCurrent
Rev: 4 • Mar 8, 2014, 12:00 PMET HUNTING JAR Sent Claiming To Be Text Content - Likely Exploit Kit
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING JAR Sent Claiming To Be Text Content - Likely Exploit Kit"; flow:established,to_client; flowbits:isset,ET.http.javaclient; http.content_type; content:"text/"; startswith; file.data; content:"PK"; within:2; content:".class"; fast_pattern; distance:10; within:500; classtype:bad-unknown; sid:2018234; rev:4; metadata:created_at 2014_03_08, confidence Medium, signature_severity Informational, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_04_24;)
Mar 8, 2014, 12:00 PM
Apr 24, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 20, 2025, 3:34 PM
rules/emerging-hunting.rules