Detectionlowtest
JScript Compiler Execution
Detects the execution of the "jsc.exe" (JScript Compiler). Attacker might abuse this in order to compile JScript files on the fly and bypassing application whitelisting.
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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 Logic1 selector
detection:
selection:
- Image|endswith: '\jsc.exe'
- OriginalFileName: 'jsc.exe'
condition: selectionFalse Positives
Legitimate use to compile JScript by developers.
MITRE ATT&CK
Rule Metadata
Rule ID
52788a70-f1da-40dd-8fbd-73b5865d6568
Status
test
Level
low
Type
Detection
Created
Mon May 02
Modified
Wed Apr 24
Author
Path
rules/windows/process_creation/proc_creation_win_jsc_execution.yml
Raw Tags
attack.defense-evasionattack.t1127