Versions (6)
Version DetailsCurrent
Rev: 3 • Feb 17, 2016, 12:00 PMET MALWARE MSIL/Crimson Receiving Command (files list)
alert tcp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE MSIL/Crimson Receiving Command (files list)"; flow:established,from_server; content:"fles="; offset:5; byte_jump:4,0,little,from_beginning,post_offset 4; isdataat:!2,relative; reference:md5,94d29dded4dfd920fc4153f18e82fc6c; classtype:trojan-activity; sid:2036285; rev:3; metadata:created_at 2016_02_17, malware_family MSIL_Crimson, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Feb 17, 2016, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 4, 2025, 9:34 PM
rules/emerging-malware.rules