(Windows) Sentinel – Keylogger

Notice: This should not be confused with the application developed by Ranger.exploit.

Notice: The source code is currently available to purchase separately as of 22/12/2020.

-The new update ( addresses the issue of being unable to show the application after it has been hidden via stealth mode.
-Fixed an issue which stopped the keystrokes from being logged by the application
-Fixed an Issue Where the Logger Would Not be Enabled When Relaunching the Application
(20/08/2018) (Version:
- Bug Fixes
(12/04/2018) (Version:
- Fixed a Major Bug Regarding The Keylogging Process
- Added More Relevant Information to The "Home"  Tab
(07/04/2018) (Version:
- Added Feature: Encrypt Logs
- Added Feature: Monitor Removable Drives Input
- Added Feature: Automatically Uninstall at a Chosen Date
- Added Feature: Automatically Flush Logs to a Pre-Configured USB
- Added Feature: Overview of Logging Added to the Home Tab
- Fixed a Major Bug
 - Initial Release


Sentinel is a small surveillance application that allows indivduals to monitor the activity of others with consent. With this you would be able to gain a better insight as to what your machine(s) are being used for and for which reasons thereby empowering you with more control.This would be beneficial for those who:

  • Wish to monitor employee activity within a workplace
  • Wish to monitor activity of their children online
  • Wish to monitor the activity on their personal computer to ensure its not being misused


  • Monitor Key Strokes
  • Take Screenshots at set intervals
  • Monitor Clipboard Content
  • Monitor Running Applications
  • Monitor Removable Drives in The Machine Such as USB Flash Drives
  • Execute in Stealth Mode
  • Launch on Startup
  • Hide from Taskbar
  • Encrypt Logs
  • AutoSave Logs to Machine
  • Password Protect Application to Prevent Unauthorised Access
  • Configure Email to Send Logs
  • Configure a Date at Which the Application Should Automatically Uninstall
  • Automatically Flush Logs to a Pre-Configured USB Upon Inserting


As Keyloggers can be used for malicious purposes, for legal reasons i have added a set of hotkeys that allow for users to change the state of the application. These are as followed:

  • Show Form: [ALT] -SEN -S
  • Force Close: [ALT] -SEN -E

© 2018 Cole Thomas (Pseudonym ‘CT100’)

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