MITRE ATT&CKsoftware (malware)

S0663 SysUpdate

Published 2021-11-29 Modified 2025-10-21 Official page ↗
Domain
enterprise
Platforms
Windows, Linux
Aliases
HyperSSL, Soldier, FOCUSFJORD
Version
1.3
Created
2021-11-29

Description

SysUpdate is a backdoor written in C++ that has been used by Threat Group-3390 since at least 2020.

Related

Uses · MITRE ATT&CK (31)

  • T1680 Local Storage Discovery technique
  • T1027.013 Encrypted/Encoded File sub-technique
  • T1027.011 Fileless Storage sub-technique
  • T1016.001 Internet Connection Discovery sub-technique
  • T1573.001 Symmetric Cryptography sub-technique
  • T1071.004 DNS sub-technique
  • T1132.001 Standard Encoding sub-technique
  • T1574.001 DLL sub-technique
  • T1569.002 Service Execution sub-technique
  • T1564.001 Hidden Files and Directories sub-technique
  • T1036.004 Masquerade Task or Service sub-technique
  • T1027.002 Software Packing sub-technique
  • T1553.002 Code Signing sub-technique
  • T1070.004 File Deletion sub-technique
  • T1547.001 Registry Run Keys / Startup Folder sub-technique
  • T1543.002 Systemd Service sub-technique
  • T1543.003 Windows Service sub-technique
  • T1140 Deobfuscate/Decode Files or Information technique
  • T1005 Data from Local System technique
  • T1007 System Service Discovery technique
  • T1016 System Network Configuration Discovery technique
  • T1033 System Owner/User Discovery technique
  • T1041 Exfiltration Over C2 Channel technique
  • T1047 Windows Management Instrumentation technique
  • T1057 Process Discovery technique
  • T1082 System Information Discovery technique
  • T1083 File and Directory Discovery technique
  • T1105 Ingress Tool Transfer technique
  • T1106 Native API technique
  • T1112 Modify Registry technique
Show all 31 ›

Referenced by MITRE ATT&CK · uses (1)

  • G0027 Threat Group-3390 group

References