Remote XSL Execution Via Msxsl.EXE

 1title: Remote XSL Execution Via Msxsl.EXE
 2id: 75d0a94e-6252-448d-a7be-d953dff527bb
 3status: experimental
 4description: 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.
 5references:
 6    - https://github.com/redcanaryco/atomic-red-team/blob/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1220/T1220.md
 7    - https://lolbas-project.github.io/lolbas/OtherMSBinaries/Msxsl/
 8author: Swachchhanda Shrawan Poudel
 9date: 2023/11/09
10tags:
11    - attack.defense_evasion
12    - attack.t1220
13logsource:
14    category: process_creation
15    product: windows
16detection:
17    selection:
18        Image|endswith: '\msxsl.exe'
19        CommandLine|contains: 'http'
20    condition: selection
21falsepositives:
22    - Msxsl is not installed by default and is deprecated, so unlikely on most systems.
23level: high

References

• atomic-red-team/atomics/T1220/T1220.md at f339e7da7d05f6057fdfcdd3742bfcf365fee2a9 · redcanaryco/atomic-red-team

  

  Small and highly portable detection tests based on MITRE's ATT&CK. - redcanaryco/atomic-red-team

  
  Read More

• Msxsl | LOLBAS

  Using remote XML and XSL files, save the transformed XML file to disk. msxsl.exe https://raw.githubusercontent.com/RonnieSalomonsen/Use-msxsl-to-download-file/main/calc.xml https://raw.githubuserco...

  
  Read More

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