Versions (4)
Version DetailsCurrent
Rev: 2 • Jan 30, 2024, 12:00 PMET MALWARE [ANY.RUN] ToneShell FakeTLS Response (APT Mustang Panda / Earth Preta) M1
alert tcp $EXTERNAL_NET 443 -> $HOME_NET any (msg:"ET MALWARE [ANY.RUN] ToneShell FakeTLS Response (APT Mustang Panda / Earth Preta) M1"; flow:established,to_client; dsize:6; stream_size:server, =, 7; stream_size:client, <, 337; content:"|17 03 03 00 01|"; depth:6; isdataat:!2, relative; threshold:type limit, track by_dst, seconds 120, count 1; reference:md5,e6bc61262fb8e8ad600fd7b3c2dc7603; reference:url,app.any.run/tasks/5d2b8690-4056-47af-a938-f8f801ddb423; classtype:command-and-control; sid:2050599; rev:2; 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_02_05;)
Jan 30, 2024, 12:00 PM
Feb 5, 2024, 12:00 PM
Jan 30, 2024, 11:00 PM
Aug 14, 2025, 9:34 PM
rules/emerging-malware.rules