Versions (4)
Version DetailsCurrent
Rev: 1 • Jan 14, 2020, 12:00 PMET MALWARE Observed Certificate Containing Double Base64 Encoded Executable Inbound
alert http $EXTERNAL_NET any -> $HOME_NET any (msg:"ET MALWARE Observed Certificate Containing Double Base64 Encoded Executable Inbound"; flow:established,to_client; http.stat_code; content:"200"; file.data; content:"-----BEGIN CERTIFICATE-----|0d 0a|"; depth:100; content:"GVYTjBaVzB"; distance:0; fast_pattern; isdataat:1000,relative; classtype:trojan-activity; sid:2029277; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2020_01_14, deployment Perimeter, confidence High, signature_severity Major, updated_at 2020_01_14, reviewed_at 2024_04_30;)
Jan 14, 2020, 12:00 PM
Jan 14, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 21, 2024, 3:00 AM
rules/emerging-malware.rules