Versions (2)
Version DetailsCurrent
Rev: 2 • Dec 8, 2022, 12:00 PMET MALWARE Observed BatLoader Domain (installationupgrade6 .com) in TLS SNI
alert tls $HOME_NET any -> $EXTERNAL_NET any (msg:"ET MALWARE Observed BatLoader Domain (installationupgrade6 .com) in TLS SNI"; flow:established,to_server; tls.sni; dotprefix; content:".installationupgrade6.com"; endswith; fast_pattern; classtype:command-and-control; sid:2042522; rev:2; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2022_12_08, deployment Perimeter, deprecation_reason Age, malware_family BatLoader, performance_impact Low, confidence High, signature_severity Major, updated_at 2023_08_21, reviewed_at 2023_08_21;)
Dec 8, 2022, 12:00 PM
Aug 21, 2023, 12:00 PM
Sep 21, 2024, 3:00 AM
May 30, 2025, 12:04 AM
rules/emerging-malware.rules