Versions (4)
Version DetailsCurrent
Rev: 7 • Feb 27, 2013, 12:00 PMET INFO Serialized Java Applet (Used by some EKs in the Wild)
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET INFO Serialized Java Applet (Used by some EKs in the Wild)"; flow:established,to_client; file.data; content:"<embed"; nocase; content:"object"; distance:0; nocase; pcre:"/^[\r\n\s]*=[\r\n\s]*[\x22\x27][^\x22\x27]+\.ser[\x22\x27]/Ri"; content:"application/x-java-"; fast_pattern; classtype:misc-activity; sid:2016510; rev:7; metadata:created_at 2013_02_27, deprecation_reason Relevance, confidence High, signature_severity Informational, updated_at 2023_04_24;)
Feb 27, 2013, 12:00 PM
Apr 24, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-info.rules