Remote Keystroke Retrieval System

1
Remote Keystroke Retrieval System

• Kevin Butler
• Omar Martino
• Eric Hicks

2
Brief Overview

• Record and store all keystrokes from a given
• AT or PS/2 keyboard
• Transmit the stored data to a separate device
• Display the received data on a monitor

3
Baseline

• Recording
• Store keyboard data in memory
• Transmit
• User controls when data is transmitted to remote
  receiver
• Display
• Show data in any word processing program

4
Extensions

• Network capability
• Multiple keyboard data transmission
• Encryption
• XOR
• Digital Encryption Standard
• Variable Code
• Multiple Operating Modes

5
Existing Devices

• Software
• Installation
• Vulnerable To Detection
• Hardware
• No Transmission Capability
• Requires Physical Access

6
Applications

• Systems Administrator
• Intelligence/Surveillance
• Security

7
General Functionality
Keyboard
CPU
Recorder
Mobile
CPU
8
Interface Functionality
Microcontroller
Memory I
Microcontroller
Receiver
Transmitter
From Mobile
To Mobile
9
Interface Functionality Contd
From Recorder
Receiver
Microcontroller
To Recorder
Transmitter
Memory II
Microcontroller
10
Component Selection

• Microcontrollers
• Inexpensive and small
• Memory
• EEProm
• Flash
• RF Systems
• Pre-packaged

11
Timeline
Timeline
12
Responsibility

• Kevin
• Keyboard/Microcontroller Interface
• Omar
• Microcontroller/Memory Interface
• Eric
• Transmitter/Receiver Interface
• Documentation Shared Amongst Group

13
Cost Analysis

• Component Cost Per Unit
• 4 Microcontrollers _at_ 5.00/unit
• 2 Memory Chips _at_ 1.00/unit
• 2 Tx/Rx Pairs _at_ 30.00/pair
• Miscellaneous (switches, buttons, etc.) 5.00
• 3 Engineers _at_ 25/hour for 400 hours 30,000
• Total Development Cost 30,500
• Cost/Unit 90.00
• Estimated Sale Price 175.00
• Units to Recoup Cost 436 Units

14
Uncertainties

• Transmission Clarity/Distance
• Might need error correcting codes
• Power Consumption
• May be able to power transmitter from PC
• EM interference

15
Questions?