Detectionhightest
Potential Excel.EXE DCOM Lateral Movement Via ActivateMicrosoftApp
Detects suspicious child processes of Excel which could be an indicator of lateral movement leveraging the "ActivateMicrosoftApp" Excel DCOM object.
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Log Source
WindowsProcess Creation
ProductWindows← raw: windows
CategoryProcess Creation← raw: process_creation
Events generated when a new process is spawned on the system. Covers command-line arguments, parent/child relationships, and process metadata.
Detection Logic
Detection Logic2 selectors
detection:
selection_parent:
ParentImage|endswith: '\excel.exe'
selection_child:
- OriginalFileName:
- 'foxprow.exe'
- 'schdplus.exe'
- 'winproj.exe'
- Image|endswith:
- '\foxprow.exe'
- '\schdplus.exe'
- '\winproj.exe'
condition: all of selection_*False Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Tactics
Sub-techniques
Rule Metadata
Rule ID
551d9c1f-816c-445b-a7a6-7a3864720d60
Status
test
Level
high
Type
Detection
Created
Mon Nov 13
Author
Path
rules/windows/process_creation/proc_creation_win_office_excel_dcom_lateral_movement.yml
Raw Tags
attack.t1021.003attack.lateral-movement