LoFP LoFP / msxsl is not installed by default and is deprecated, so unlikely on most systems.

Techniques

Sample rules

Remote XSL Execution Via Msxsl.EXE

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.

Detection logic

condition: selection
selection:
  CommandLine|contains: http
  Image|endswith: \msxsl.exe

Msxsl.EXE Execution

Description

Detects the execution of the MSXSL utility. This can be used to execute Extensible Stylesheet Language (XSL) files. These files are commonly used to describe the processing and rendering of data within XML files. Adversaries can abuse this functionality to execute arbitrary files while potentially bypassing application whitelisting defenses.

Detection logic

condition: selection
selection:
  Image|endswith: \msxsl.exe