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Interactive AT Job

Detects an interactive AT job, which may be used as a form of privilege escalation.

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Launch
E.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.communityCreated Thu Oct 24Updated Sat Nov 2760fc936d-2eb0-4543-8a13-911c750a1dfcwindows
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: '\at.exe'
        CommandLine|contains: 'interactive'
    condition: selection
False Positives

Unlikely (at.exe deprecated as of Windows 8)

References
1
Resolving title…
github.com
2
Resolving title…
eqllib.readthedocs.io
Testing & Validation

Simulations

atomic-red-teamT1053.002
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At.exe Scheduled task

GUID: 4a6c0dc4-0f2a-4203-9298-a5a9bdc21ed8

MITRE ATT&CK

Sub-techniques

T1053.002 · At
Rule Metadata
Rule ID
60fc936d-2eb0-4543-8a13-911c750a1dfc
Status
test
Level
high
Type
Detection
Created
Thu Oct 24
Modified
Sat Nov 27
Author
E.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.community
Path
rules/windows/process_creation/proc_creation_win_at_interactive_execution.yml
Raw Tags
attack.persistenceattack.executionattack.privilege-escalationattack.t1053.002
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