OneNote Attachment File Dropped In Suspicious Location
Last updated on:
In this page
About the rule
Rule Type
Standard
Rule Description
Detects creation of files with the ".one"/".onepkg" extension in suspicious or uncommon locations. This could be a sign of attackers abusing OneNote attachments
Severity
Trouble
Rule Requirement
Criteria
Action1: actionname = "File Created or Modified" AND ((FILENAME contains "\AppData\Local\Temp\,\Users\Public\,\Windows\Temp\,:\Temp" OR OBJECTNAME contains "\AppData\Local\Temp\,\Users\Public\,\Windows\Temp\,:\Temp") AND (FILENAME endswith ".one,.onepkg" OR OBJECTNAME endswith ".one,.onepkg")) AND (PROCESSNAME notcontains ":\Program Files\Microsoft Office" OR PROCESSNAME notendswith "\ONENOTE.EXE") select Action1.HOSTNAME,Action1.MESSAGE,Action1.USERNAME,Action1.DOMAIN,Action1.OBJECTNAME,Action1.FILENAME,Action1.PROCESSNAME
Detection
Execution Mode
realtime
Log Sources
Windows
Author
Nasreddine Bencherchali (Nextron Systems)
