Detection rules › Sigma
Remote schedule task creation via named pipes (ATexec)
Detects scenarios where an attacker remotely creates a scheduled task over named pipes to execute commands or elevate privileges.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Execution | T1053.005 Scheduled Task/Job: Scheduled Task |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Security-Auditing | Event ID 5145 | A network share object was checked to see whether client can be granted desired access. |
Rule body yaml
title: Remote schedule task creation via named pipes (ATexec)
description: Detects scenarios where an attacker remotely creates a scheduled task over named pipes to execute commands or elevate privileges.
references:
- https://github.com/mdecrevoisier/EVTX-to-MITRE-Attack/tree/master/TA0002-Execution/T1053.005-Scheduled%20Task
- https://github.com/SecureAuthCorp/impacket/blob/master/examples/atexec.py
- https://u0041.co/blog/post/1
- https://blog.menasec.net/2019/03/threat-hunting-25-scheduled-tasks-for.html
tags:
- attack.execution
- attack.t1053.005
author: mdecrevoisier
status: experimental
logsource:
product: windows
service: security
detection:
selection:
EventID: 5145
ShareName: '\\*\IPC$'
RelativeTargetName: atsvc
AccessList|contains: '%%4417' # WriteData
condition: selection
falsepositives:
- Administrator activity, backup solutions
level: medium
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
EventID: 5145
ShareName: '\\*\IPC$'
RelativeTargetName: atsvc
AccessList|contains: '%%4417'
Indicators
Each row is a field, operator, and value that the rule matches. The corpus column counts how many other rules in the catalog look for the same combination: high numbers point to widely-used, community-vetted indicators. Blank or 1 shows that the indicator is specific to this rule.
| Field | Kind | Values |
|---|---|---|
AccessList | match |
|
RelativeTargetName | eq |
|
ShareName | wildcard |
|