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sigmamediumHunting

Potential Download/Upload Activity Using Type Command

Detects usage of the "type" command to download/upload data from WebDAV server

MITRE ATT&CK

T1105
command-and-control

Detection Query

selection_upload:
  CommandLine|contains|all:
    - "type "
    - " > \\\\\\\\"
selection_download:
  CommandLine|contains|all:
    - type \\\\
    - " > "
condition: 1 of selection_*

Author

Nasreddine Bencherchali (Nextron Systems)

Created

2022-12-14

Data Sources

windowsProcess Creation Events

Platforms

windows

References

Tags

attack.command-and-controlattack.t1105
Raw Content
title: Potential Download/Upload Activity Using Type Command
id: aa0b3a82-eacc-4ec3-9150-b5a9a3e3f82f
status: test
description: Detects usage of the "type" command to download/upload data from WebDAV server
references:
    - https://mr0range.com/a-new-lolbin-using-the-windows-type-command-to-upload-download-files-81d7b6179e22
author: Nasreddine Bencherchali (Nextron Systems)
date: 2022-12-14
tags:
    - attack.command-and-control
    - attack.t1105
logsource:
    product: windows
    category: process_creation
detection:
    # Note that since built in CMD commands do not trigger a process creation. This would be detected only if used in a "/c" command
    selection_upload:
        CommandLine|contains|all:
            - 'type '
            - ' > \\\\'
    selection_download:
        CommandLine|contains|all:
            - 'type \\\\'
            - ' > ' # Space are added to increase atom length and speed up matching. If your backend can handle this remove the space
    condition: 1 of selection_*
falsepositives:
    - Unknown
level: medium