ET HUNTING suspicious - gzipped file via JAVA - could be pack200-ed JAR

7.0.35.0SID: 2017910Rev: 6Enabled26 views
Sourceet/open
Fileemerging-hunting.rules
CreatedDecember 30, 2013
UpdatedApril 14, 2024
Classificationtrojan-activity
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET HUNTING suspicious - gzipped file via JAVA - could be pack200-ed JAR"; flow:established,to_client; flowbits:isset,ET.http.javaclient; flowbits:set,et.exploitkitlanding; file.data; content:"|1f 8b 08 00|"; startswith; classtype:trojan-activity; sid:2017910; rev:6; metadata:created_at 2013_12_30, confidence Medium, signature_severity Major, updated_at 2024_04_14;)

Metadata

created at2013_12_30
confidenceMedium
signature severityMajor
updated at2024_04_14

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