Detection rules › Sigma
Remote XSL Execution Via Msxsl.EXE
Detects the execution of the "msxsl" binary with an "http" keyword in the command line. This might indicate a potential remote execution of XSL files.
MITRE ATT&CK coverage
| Tactic | Techniques |
|---|---|
| Stealth | T1220 XSL Script Processing |
Event coverage
| Provider | Event | Title |
|---|---|---|
| Sysmon | Event ID 1 | Process creation |
| Security-Auditing | Event ID 4688 | A new process has been created. |
Rule body yaml
title: Remote XSL Execution Via Msxsl.EXE
id: 75d0a94e-6252-448d-a7be-d953dff527bb
status: test
description: Detects the execution of the "msxsl" binary with an "http" keyword in the command line. This might indicate a potential remote execution of XSL files.
references:
- https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1220/T1220.md
- https://lolbas-project.github.io/lolbas/OtherMSBinaries/Msxsl/
author: Swachchhanda Shrawan Poudel
date: 2023-11-09
tags:
- attack.stealth
- attack.t1220
logsource:
category: process_creation
product: windows
detection:
selection:
Image|endswith: '\msxsl.exe'
CommandLine|contains: 'http'
condition: selection
falsepositives:
- Msxsl is not installed by default and is deprecated, so unlikely on most systems.
level: high
Stages and Predicates
Stage 0: condition
selectionStage 1: selection
selection:
Image|endswith: '\msxsl.exe'
CommandLine|contains: 'http'
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 |
|---|---|---|
CommandLine | match |
|
Image | ends_with |
|