Detection rules › Sigma
Interactive AT Job
Detects an interactive AT job, which may be used as a form of privilege escalation.
Known false positives
- Unlikely (at.exe deprecated as of Windows 8)
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | |
| Persistence | |
| Privilege Escalation |
Telemetry coverage
| Provider | Record / event type |
|---|---|
| Sysmon | Event ID 1: Process creation |
| Security-Auditing | Event ID 4688: A new process has been created. |
Rule body
title: Interactive AT Job
id: 60fc936d-2eb0-4543-8a13-911c750a1dfc
status: test
description: Detects an interactive AT job, which may be used as a form of privilege escalation.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1053.002/T1053.002.md
- https://eqllib.readthedocs.io/en/latest/analytics/d8db43cf-ed52-4f5c-9fb3-c9a4b95a0b56.html
author: E.M. Anhaus (originally from Atomic Blue Detections, Endgame), oscd.community
date: 2019-10-24
modified: 2021-11-27
tags:
- attack.persistence
- attack.execution
- attack.privilege-escalation
- attack.t1053.002
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\at.exe'
CommandLine|contains: 'interactive'
condition: selection
falsepositives:
- Unlikely (at.exe deprecated as of Windows 8)
level: high
simulation:
- type: atomic-red-team
name: At.exe Scheduled task
technique: T1053.002
atomic_guid: 4a6c0dc4-0f2a-4203-9298-a5a9bdc21ed8
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith: '\at.exe'
CommandLine|contains: 'interactive'
Indicators
These rows show field, operator, and value matches.
| Field | Kind | Values | Search |
|---|---|---|---|
CommandLine | match |
| field:"CommandLine" kind:match value:"interactive" |
Image | ends_with |
| field:"Image" kind:ends_with value:"\at.exe" |