Versions (4)
Version DetailsCurrent
Rev: 2 • Feb 25, 2022, 12:00 PMET MALWARE Malicious Downloader Activity (GET)
alert http $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Malicious Downloader Activity (GET)"; flow:established,to_server; http.request_line; content:"GET /joking.html HTTP/1.1"; fast_pattern; http.header_names; content:!"Referer"; http.user_agent; content:!"Linux"; content:!"Android"; http.host; content:".ru"; endswith; reference:md5,d6b182c825d961154b5415de1a061ae0; classtype:trojan-activity; sid:2035291; rev:2; metadata:attack_target Client_Endpoint, created_at 2022_02_25, deployment Perimeter, deprecation_reason Duplicate, confidence High, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2023_07_05;)
Feb 25, 2022, 12:00 PM
Jul 5, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 5, 2025, 9:34 PM
rules/emerging-malware.rules