Techniques
Sample rules
Use NTFS Short Name in Command Line
- source: sigma
- technicques:- t1564
- t1564.004
 
Description
Detect use of the Windows 8.3 short name. Which could be used as a method to avoid command-line detection
Detection logic
condition: selection and not filter
filter:
- ParentImage|endswith:
  - \WebEx\WebexHost.exe
  - \thor\thor64.exe
- CommandLine|contains: C:\xampp\vcredist\VCREDI~1.EXE
selection:
  CommandLine|contains:
  - ~1.exe
  - ~1.bat
  - ~1.msi
  - ~1.vbe
  - ~1.vbs
  - ~1.dll
  - ~1.ps1
  - ~1.js
  - ~1.hta
  - ~2.exe
  - ~2.bat
  - ~2.msi
  - ~2.vbe
  - ~2.vbs
  - ~2.dll
  - ~2.ps1
  - ~2.js
  - ~2.hta
Use Short Name Path in Image
- source: sigma
- technicques:- t1564
- t1564.004
 
Description
Detect use of the Windows 8.3 short name. Which could be used as a method to avoid Image detection
Detection logic
condition: selection and not 1 of filter_main_* and not 1 of filter_optional_*
filter_main_installers:
- Image|contains|all:
  - \AppData\
  - \Temp\
- Image|endswith:
  - ~1\unzip.exe
  - ~1\7zG.exe
filter_main_system_process:
  ParentImage:
  - C:\Windows\System32\Dism.exe
  - C:\Windows\System32\cleanmgr.exe
filter_optional_installshield:
- Product: InstallShield (R)
- Description: InstallShield (R) Setup Engine
- Company: InstallShield Software Corporation
filter_optional_thor:
  ParentImage|endswith: \thor\thor64.exe
filter_optional_webex:
  ParentImage|endswith: \WebEx\WebexHost.exe
selection:
  Image|contains:
  - ~1\
  - ~2\
