Versions (4)
Version DetailsCurrent
Rev: 3 • Sep 8, 2017, 12:00 PMET WEB_CLIENT Download of Multimedia Content flowbit set
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET WEB_CLIENT Download of Multimedia Content flowbit set"; flow:established,to_client; file_data; content:"|00 00 00|"; depth:3; content:"|66 74 79 70|"; distance:1; within:4; fast_pattern; flowbits:noalert; flowbits:set,ET.Multimedia.Download; reference:url,www.garykessler.net/library/file_sigs.html; classtype:misc-activity; sid:2024689; rev:3; metadata:created_at 2017_09_08, deprecation_reason Relevance, signature_severity Informational, tag noalert, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_04_19;)
Sep 8, 2017, 12:00 PM
Apr 19, 2024, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 30, 2025, 9:36 PM
rules/emerging-web_client.rules