Sibot — Malware Profile
Sibot is dual-purpose malware written in VBScript designed to achieve persistence on a compromised system as well as download and execute additional payloads. Microsoft discovered three Sibot variants in early 2021 during its investigation of APT29 and the SolarWinds Compromise.
MITRE ATT&CK techniques (18)
- T1012 Query Registry
- T1016 System Network Configuration Discovery
- T1027.010 Command Obfuscation
- T1027.011 Fileless Storage
- T1036.005 Match Legitimate Resource Name or Location
- T1047 Windows Management Instrumentation
- T1049 System Network Connections Discovery
- T1053.005 Scheduled Task
- T1059.005 Visual Basic
- T1070 Indicator Removal
- T1070.004 File Deletion
- T1071.001 Web Protocols
- T1102 Web Service
- T1105 Ingress Tool Transfer
- T1112 Modify Registry
- T1140 Deobfuscate/Decode Files or Information
- T1218.005 Mshta
- T1218.011 Rundll32