MITRE ATT&CKsoftware (malware)

S1164 UPSTYLE

Published 2024-11-20 Modified 2025-04-15 Official page ↗
Domain
enterprise
Platforms
Network Devices, Linux
Version
1.0
Created
2024-11-20

Description

UPSTYLE is a Python-based backdoor associated with exploitation of Palo Alto firewalls using CVE-2024-3400 in early 2024. UPSTYLE has only been observed in relation to this exploitation activity, which involved attempted install on compromised devices by the threat actor UTA0218.

Related

Uses · MITRE ATT&CK (12)

  • T1685.006 Clear Linux or Mac System Logs sub-technique
  • T1027.013 Encrypted/Encoded File sub-technique
  • T1665 Hide Infrastructure technique
  • T1001.001 Junk Data sub-technique
  • T1102.003 One-Way Communication sub-technique
  • T1059.006 Python sub-technique
  • T1070.004 File Deletion sub-technique
  • T1070.006 Timestomp sub-technique
  • T1546 Event Triggered Execution technique
  • T1140 Deobfuscate/Decode Files or Information technique
  • T1036 Masquerading technique
  • T1057 Process Discovery technique

Referenced by MITRE ATT&CK · uses (1)

  • C0048 Operation MidnightEclipse campaign

References