Versions (5)
Version DetailsCurrent
Rev: 3 • Mar 11, 2015, 12:00 PMET MALWARE Win32/Rofin.A CnC traffic (OUTBOUND)
alert tcp $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Win32/Rofin.A CnC traffic (OUTBOUND)"; flow:to_server,established; dsize:>11; content:"|dd aa 99 66|"; depth:4; byte_jump:4,4,relative,little,from_beginning, post_offset -2; isdataat:!2,relative; reference:md5,6b71398418c7c6b01cf8abb105bc884d; classtype:command-and-control; sid:2020671; rev:3; metadata:created_at 2015_03_11, malware_family Win32_Rofin_A, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Mar 11, 2015, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Jan 26, 2026, 10:34 PM
rules/emerging-malware.rules