Detectionmediumtest
Malicious PE Execution by Microsoft Visual Studio Debugger
There is an option for a MS VS Just-In-Time Debugger "vsjitdebugger.exe" to launch specified executable and attach a debugger. This option may be used adversaries to execute malicious code by signed verified binary. The debugger is installed alongside with Microsoft Visual Studio package.
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Launch
Agro, Ensar Şamil, oscd.communityCreated Wed Oct 14Updated Sun Oct 0915c7904e-6ad1-4a45-9b46-5fb25df37fd2windows
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 Logic3 selectors
detection:
selection:
ParentImage|endswith: '\vsjitdebugger.exe'
reduction1:
Image|endswith: '\vsimmersiveactivatehelper*.exe'
reduction2:
Image|endswith: '\devenv.exe'
condition: selection and not (reduction1 or reduction2)False Positives
The process spawned by vsjitdebugger.exe is uncommon.
MITRE ATT&CK
Tactics
Techniques
Rule Metadata
Rule ID
15c7904e-6ad1-4a45-9b46-5fb25df37fd2
Status
test
Level
medium
Type
Detection
Created
Wed Oct 14
Modified
Sun Oct 09
Author
Path
rules/windows/process_creation/proc_creation_win_susp_use_of_vsjitdebugger_bin.yml
Raw Tags
attack.t1218attack.defense-evasion