Keyloggers

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Subject Network Security Topic Keylogge
rs Working and Types

• Presented to Assistant Professor Inam Ul Haq
• Presented by Muhammad Faizan Butt (1043)

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Contents

• What is Keyloggers
• Groups of Keyloggers
• How does Keylogger work
• Preventions
• Conclusion
• References

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What is Keylogger

• Keylogger is a computer program that records
  every keystroke made by a computer user, to gain
  fraudulent access to passwords and other
  confidential information.
• Keylogging is also known as Keystroke logging.
• It can also be used to study humancomputer
  interaction. 
• There are two basic purpose to use Keyloggers.
• To monitor employee performance
• To access confidential information

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Types of Keyloggers

• There are different types of Keyloggers divided
  into two main groups.
• Hardware Keyloggers
• Software Keyloggers

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Hardware Keyloggers

• Hardware Keyloggers are small electronic devices
  used for capturing the data in between a keyboard
  device and I/O port.
• Usually these devices have built in memory where
  they store the keystrokes so this means they must
  be retrieved by the person who installed it in
  order to obtain the information.
• Hardware Keyloggers are undetectable by
  anti-viral software or scanners since it works on
  the hardware platform

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Types of Hardware Keyloggers

• Hardware Keylogger Stand-alone Edition
• It is a tiny hardware device that can be attached
  in between keyboard and a computer.
• Hardware Keylogger Keyboard Edition
• It looks and behaves exactly like a normal
  keyboard, but it keeps a record of all keystrokes
  typed on it.
• KeyKatcher Keystroke Logger
• It is a tiny hardware device that can be attached
  in between a keyboard and a computer.

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Hardware Keylogger Stand-alone Edition

• It is a tiny hardware device that can be attached
  in between a keyboard and a computer. It keeps a
  record of all keystrokes typed.
  

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Hardware Keylogger Keyboard Edition

• It keeps a record of all keystrokes typed on it.
  The recording process is totally transparent to
  the end user. The keystrokes can only be
  retrieved by an administrator with a proper
  password.

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KeyKatcher Keystroke Logger

• The KeyKatcher records up to 32,000 bytes
  (keystrokes) in the 33k model or 64,000 bytes
  (key strokes) in the 64k model. Even if the
  device is unplugged from the keyboard it will
  still remember EVERYTHING and you wont lose a
  single keystroke.

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Software Keyloggers

• Software Keyloggers track systems, collect
  keystroke data within the target operating
  system, store them on disk or in remote
  locations, and send them to the attacker.
• They can run for an indefinite amount of time
  while the info is being transmitted remotely.
• There are three ways to install the Keylogger
  software.
• Install it from a compact disc or floppy disk.
• As a computer virus or Trojan horse.
• Gain access to the computer over a network and
  install surveillance software remotely.

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Hooker Keylogger

• Hooker is a Keylogger software used for
  surveillance the activities in a computer.

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Preventions

• There are several ways to prevent Keyloggers
• Anti-Virus/Spyware Firewalls (which?)
• Automatic Form Fillers (Name?)
• Alternative Keyboard Layouts
• On screen Keyboards

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Conclusion

• As there are always two sides of a coin. Just
  like this Keylogger has good as well as bad
  reputation.
• In the world of hacking it used to steal
  someones personal information. While on the
  other hand it is used in a company to monitor any
  suspicious activity that may cause a serious
  liability to the companys benefit.
• But we must aware of whats installed on your
  computer. Use caution when surfing the internet.
  Keep your computers security software updated.

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References

• https//www.keelog.com/
• http//www.keyghost.com/
• http//www.kmint21.com/keylogger/
• https//en.wikipedia.org/wiki/Keystroke_loggingTr
  ojans
• https//www.youtube.com/watch?v_lCDg2XzEsA
• http//www.wikihow.com/Identify-and-Remove-Keylogg
  ing-Malware-from-Your-Windows-8-Computer