Detectionmediumtest
Arbitrary MSI Download Via Devinit.EXE
Detects a certain command line flag combination used by "devinit.exe", which can be abused as a LOLBIN to download arbitrary MSI packages on a Windows system
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Florian Roth (Nextron Systems)Created Tue Jan 11Updated Thu Apr 0690d50722-0483-4065-8e35-57efaadd354dwindows
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 Logic1 selector
detection:
selection:
CommandLine|contains|all:
- ' -t msi-install '
- ' -i http'
condition: selectionFalse Positives
Unknown
False positive likelihood has not been assessed. Additional context may be needed during triage.
MITRE ATT&CK
Rule Metadata
Rule ID
90d50722-0483-4065-8e35-57efaadd354d
Status
test
Level
medium
Type
Detection
Created
Tue Jan 11
Modified
Thu Apr 06
Path
rules/windows/process_creation/proc_creation_win_devinit_lolbin_usage.yml
Raw Tags
attack.executionattack.defense-evasionattack.t1218