Versions (4)
Version DetailsCurrent
Rev: 4 • Mar 22, 2016, 12:00 PMET HUNTING SUSPICIOUS Single JS file inside of ZIP Download (Observed as lure in malspam campaigns)
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING SUSPICIOUS Single JS file inside of ZIP Download (Observed as lure in malspam campaigns)"; flow:established,to_client; file_data; content:"PK"; within:2; content:"PK|01 02|"; distance:0; pcre:"/^.{42}[\x20-\x7f]{1,500}\.jsPK\x05\x06.{4}\x01\x00\x01\x00/Rsi"; content:".jsPK|05 06|"; nocase; fast_pattern; classtype:misc-activity; sid:2022636; rev:4; metadata:created_at 2016_03_22, confidence Medium, signature_severity Informational, updated_at 2019_10_08;)
Mar 22, 2016, 12:00 PM
Oct 8, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-hunting.rules