Versions (4)
Version DetailsCurrent
Rev: 3 • Oct 9, 2018, 12:00 PMET SCAN StarDotStar HELO, suspected AUTH LOGIN botnet
alert smtp $EXTERNAL_NET any -> $HOME_NET any (msg:"ET SCAN StarDotStar HELO, suspected AUTH LOGIN botnet"; flow:established,to_server; content:"HELO|20 2a 2e 2a 0d 0a|"; depth:11; classtype:bad-unknown; sid:2026463; rev:3; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2018_10_09, deployment Perimeter, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2019_07_26;)
Oct 9, 2018, 12:00 PM
Jul 26, 2019, 12:00 PM
Sep 21, 2024, 3:00 AM
Sep 26, 2025, 9:34 PM
rules/emerging-scan.rules