Versions (4)
Version DetailsCurrent
Rev: 1 • Jan 30, 2024, 12:00 PMET MALWARE [ANY.RUN] ToneShell FakeTLS Response (APT Mustang Panda / Earth Preta) M2
alert tcp any 443 -> any any (msg:"ET MALWARE [ANY.RUN] ToneShell FakeTLS Response (APT Mustang Panda / Earth Preta) M2"; flow:established,to_client; dsize:7; stream_size:server, =, 8; stream_size:client, <, 337; content:"|17 03 03 00 02|"; depth:7; isdataat:!3, relative; threshold:type limit, track by_dst, seconds 120, count 1; reference:md5,7e8f8043fe50cb6ce19b41a6e979a02f; reference:url,app.any.run/tasks/6d271aa7-302c-4f3b-8cde-2fade4caa2f6; classtype:command-and-control; sid:2050600; rev:1; metadata:affected_product Windows_XP_Vista_7_8_10_Server_32_64_Bit, attack_target Client_Endpoint, created_at 2024_01_30, deployment Perimeter, malware_family Toneshell, confidence Medium, signature_severity Major, tag TA416, tag Description_Generated_By_Proofpoint_Nexus, updated_at 2024_01_30;)
Jan 30, 2024, 12:00 PM
Jan 30, 2024, 12:00 PM
Jan 30, 2024, 11:00 PM
Aug 14, 2025, 9:34 PM
rules/emerging-malware.rules