Rule: MOVEit Transfer 0day - file creation event #4281
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Summary of the Pull Request
Rule to detect the creation of files with unexpected extensions in the root folder of the MOVEit Transfer service. First reports mentioned uncommon file types in the wwwroot folder as signs of a compromised. Attackers used that folder as a staging directory for the exfiltration.
Detailed Description of the Pull Request / Additional Comments
See the descriptions here:
https://www.bleepingcomputer.com/news/security/new-moveit-transfer-zero-day-mass-exploited-in-data-theft-attacks/
Friends told me that the folder only contains .aspx files.
Example Log Event
Unknown