Detectionhightest
VBA DLL Loaded Via Office Application
Detects VB DLL's loaded by an office application. Which could indicate the presence of VBA Macros.
Convert In Phoenix Studio
Open this Sigma rule in the converter with the YAML preloaded and ready for backend selection.
Launch
Log Source
WindowsImage Load (DLL)
ProductWindows← raw: windows
CategoryImage Load (DLL)← raw: image_load
Detection Logic
Detection Logic1 selector
detection:
selection:
Image|endswith:
- '\excel.exe'
- '\mspub.exe'
- '\onenote.exe'
- '\onenoteim.exe' # Just in case
- '\outlook.exe'
- '\powerpnt.exe'
- '\winword.exe'
ImageLoaded|endswith:
- '\VBE7.DLL'
- '\VBEUI.DLL'
- '\VBE7INTL.DLL'
condition: selectionFalse Positives
Legitimate macro usage. Add the appropriate filter according to your environment
References
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
e6ce8457-68b1-485b-9bdd-3c2b5d679aa9
Status
test
Level
high
Type
Detection
Created
Wed Feb 19
Modified
Fri Feb 10
Author
Path
rules/windows/image_load/image_load_office_vbadll_load.yml
Raw Tags
attack.executionattack.t1204.002