Sigma rule: OneNote.EXE Execution of Malicious Embedded Scripts

Rule

Title

OneNote.EXE Execution of Malicious Embedded Scripts

Status

test

Level

high

Author

@kostastsale

Date

2023-02-02

File

rules/windows/process_creation/proc_creation_win_office_onenote_embedded_script_execution.yml

Commit

ccbb0369507f796db0b0ae6854c8a2be471b9d84

Detects the execution of malicious OneNote documents that contain embedded scripts.
When a user clicks on a OneNote attachment and then on the malicious link inside the ".one" file, it exports and executes the malicious embedded script from specific directories.

Log source

product

windows

category

process_creation

Detection

selection:
    ParentImage|endswith: '\onenote.exe'
    Image|endswith:
        - '\cmd.exe'
        - '\cscript.exe'
        - '\mshta.exe'
        - '\powershell.exe'
        - '\pwsh.exe'
        - '\wscript.exe'
    CommandLine|contains:
        - '\exported\'
        - '\onenoteofflinecache_files\'
condition: selection

False positives (as the rule lists them)

• Unlikely

Tags

• attack.stealth
• attack.t1218.001

MITRE ATT&CK ids this rule names

• T1218.001

References

• https://bazaar.abuse.ch/browse/tag/one/

Read on 2026-11-03T00:58:21.399Z under licence sigma-drl-1.1@d5f4c36a from https://github.com/SigmaHQ/sigma/blob/ccbb0369507f796db0b0ae6854c8a2be471b9d84/rules/windows/process_creation/proc_creation_win_office_onenote_embedded_script_execution.yml