Versions (5)
Version DetailsCurrent
Rev: 3 • May 15, 2014, 12:00 PMET MALWARE Downloader.Win32.Tesch.A Bot Command Checkin 1
alert tcp $HOME_NET any -> $EXTERNAL_NET 443 (msg:"ET MALWARE Downloader.Win32.Tesch.A Bot Command Checkin 1"; flow:established,to_server; dsize:51; content:"|03 00 30 01 01 00|"; fast_pattern; depth:6; flowbits:set,ET.Tesch; reference:md5,86b5491831522f3c7bdcdacb17417514; reference:md5,2bebb36872b4829f553326e102d014ed; classtype:command-and-control; sid:2018478; rev:3; metadata:created_at 2014_05_15, confidence Medium, signature_severity Major, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2020_08_19;)
May 15, 2014, 12:00 PM
Aug 19, 2020, 12:00 PM
Sep 21, 2024, 3:00 AM
Oct 7, 2025, 9:34 PM
rules/emerging-malware.rules