title: Potential Raspberry Robin Dot Ending File
id: a35c97c8-d9c4-4c89-a3e7-533dc0bcb73a
status: test
description: Detects commandline containing reference to files ending with a "." This scheme has been seen used by raspberry-robin
author: Nasreddine Bencherchali (Nextron Systems)
references:
- https://www.microsoft.com/en-us/security/blog/2022/10/27/raspberry-robin-worm-part-of-larger-ecosystem-facilitating-pre-ransomware-activity/
date: 2022-10-28
modified: 2023-02-05
tags:
- attack.execution
- detection.emerging-threats
logsource:
category: process_creation
product: windows
detection:
selection:
# Example 1: https://www.microsoft.com/en-us/security/blog/wp-content/uploads/2022/10/fig-3f-raspberryrobin-runonce.png
# Example 2: https://www.microsoft.com/en-us/security/blog/wp-content/uploads/2022/10/fig-5f-odbcconf.png
# Example 3: https://www.microsoft.com/en-us/security/blog/wp-content/uploads/2022/10/fig-6f-fauppod-command-line.png
CommandLine|re: \\[a-zA-Z0-9]{1,32}\.[a-zA-Z0-9]{1,6}\.[ "']{1} # cannot match on end-of-line because of FPs with bind DNS notation
condition: selection
falsepositives:
- Unknown
level: high