Versions (4)
Version DetailsCurrent
Rev: 5 • Oct 28, 2014, 12:00 PMET MALWARE Ransom.Win32.Blocker.fwlm Checkin
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Ransom.Win32.Blocker.fwlm Checkin"; flow:established,to_server; urilen:497; http.method; content:"GET"; http.uri; content:".bin"; fast_pattern; pcre:"/^\/(?:[A-Za-z0-9+/]{4})*(?:[A-Za-z0-9+/]{2}==|[A-Za-z0-9+/]{3}=|[A-Za-z0-9+/]{4})\.bin$/"; http.header_names; content:!"Referer|0d 0a|"; reference:url,vxsecurity.sg/2014/10/25/technical-teardown-hongkong-protest-malware/; classtype:command-and-control; sid:2019538; rev:5; metadata:created_at 2014_10_28, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_11_19;)
Oct 28, 2014, 12:00 PM
Nov 19, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 9, 2025, 9:35 PM
rules/emerging-malware.rules