Detectionmediumtest
Setup16.EXE Execution With Custom .Lst File
Detects the execution of "Setup16.EXE" and old installation utility with a custom ".lst" file. These ".lst" file can contain references to external program that "Setup16.EXE" will execute. Attackers and adversaries might leverage this as a living of the land utility.
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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:
ParentImage: 'C:\Windows\SysWOW64\setup16.exe'
ParentCommandLine|contains: ' -m '
filter_optional_valid_path:
Image|startswith: 'C:\~MSSETUP.T\'
condition: selection and not 1 of filter_optional_*False Positives
On modern Windows system, the "Setup16" utility is practically never used, hence false positive should be very rare.
References
MITRE ATT&CK
Rule Metadata
Rule ID
99c8be4f-3087-4f9f-9c24-8c7e257b442e
Status
test
Level
medium
Type
Detection
Created
Sun Dec 01
Author
Path
rules/windows/process_creation/proc_creation_win_setup16_custom_lst_execution.yml
Raw Tags
attack.privilege-escalationattack.persistenceattack.defense-evasionattack.t1574.005