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RaTS: Ransomware Traces Scanner

License Build

RaTS is a Ransomware Traces Scanner licensed with GPL3.

RaTS does not prevent the Ransomware to do its bad work, but it can help to find evidences of the existence of Ransomware in your environment (filesystems).

RaTS is especially useful to periodically monitor network share or external drive to find evidences of the presence of Ransomware. You can run RaTS as a cmd line application or a batch for servers.

What RaTS can do

  • it finds traces of the manifests (TXT or HTML) that Ransomware leaves in the filesystem: around the manifest you can find some crypto stuff.
  • it finds crypto stuff in the file system
  • it makes an outcome CSV file that allow you to analyze the state of your drives (network, NAS, external)
  • it sends the outcome to a configured email

What RaTS cannot do

  • it does not prevent the Ransomware encryption
  • it does not make a live analysis

Platform

RaTS is written for Python 3 (>= 3.8) and it works fine in a compiled way for Windows, MacOSX and Linux.

Configuration

Configuration of RaTS is made through the config.py and the config.yaml. The former contains the complete configuration while the latter contains only a subset of the parameters. Yaml configuration was primarily made for the binary execution.

Getting started

To execute the sources run this command line:

  1. Make sure you have Python3
  2. Checkout the project git clone https://github.com/robo3945/RaTS.git && cd RaTS
  3. Install the requirements with pip for Python3 pip3 install -r requirements.txt
  4. Execute the script with Python3 python3 rats.py -h

Help

RaTS - v. x.x.x
Directories scan: rats.py -i <inputdir> | -l <dirlistfile> -o <outcsv> [-k|-m] [-e <notify_email>] [-r] [-h] [-c] [-v]

Single file scan: rats.py -f <file> [-k|-m] [-e <notify_email>] [-h] [-c] [-v]

-f <file>           : file to scan
-i <inputdir>       : the starting directory
[-l <dirlistfile>]  : txt file with the directories to include in the scan
[-z <dirlistfile>]  : txt file with the directories to exclude from the scan
-o <outcsv>         : the CSV output file prefix (without the extension)
[-x <excl_ext_list>]: file extensions list to exclude from scanning (ex: "jpg,tiff") 
[-e <notify_email>] : where to send the notification
[-k]                : search for crypted files
[-t]                : crypto engine with argument "all","entropy", "compression", "monobit" (*)
[-m]                : search for manifest files
[-r]                : recursive search
[-c]                : path for the configuration YAML file
[-v]                : verbose mode (outcome files include all the items detected)
[-h]                : print this help

(*) "all" means that the randomness test are all executed for every file