Wireless Keylogger circuit

Posted on Feb 7, 2013

The Wireless Keylogger consists of two main building blocks: the transmitter, and the receiver. The actual keylogging takes place in the transmitter, which is in fact a PS/2 hardware keylogger, with a built-in 2.4 GHz wireless module. Captured keystroke data is transmitted through the radio-link in real-time, rather than getting stored. The receiver on the other hand, is a wireless acquisition unit with a USB interface. All keystroke data received from the transmitter is sent to the host computer via USB. From the software side, this data is available through a virtual COM port, allowing any terminal client to be used for visualizing keystroke data.

Wireless Keylogger circuit - image 1
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Familiar with the concept of hardware keylogging? A hardware keylogger is a perfect solution for monitoring user activity, at very low risk of disclosure. A hardware keylogger is a purely electronic device, so no access to the operating system is required, no traces are left, and software has no possibility of detecting such a device. However, the hardware keylogger concept inherits one weakness: physical access to the keylogger is required for retrieving captured data. This problem has finally found its solution: a Wireless Keylogger. KeeLog has already released one open source PS/2 hardware keylogger design to the public. Now, we are doing it again with the DIY Wireless Keylogger. This design is fully free for private and commercial use, with the following restrictions: All materials presented on this web page are the intellectual property of KeeLog and using them constitutes acceptance of the license terms below and the general User Agreement. This Wireless Keylogger project is provided as is, with all faults, and with no warranty whatsoever. You should not use the Wireless Keylogger to intercept data you are not authorized to possess, especially passwords, banking data, confidential correspondence etc. Most countries recognize this as a crime. Components This article describes the entire assembly process of the DIY Wireless Keylogger. Depending on your skills, you may choose to create your own Wireless...

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