Custom fabrication. Reversing D-Link router firmware

Date: 02/04/2025

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When you create custom firmware for routers, you often have to forge the signature so that your handmade microcode can be flushed using the stock web interface. To forge a signature, you must be familiar with the image validation procedure in the stock firmware. To get a general idea of this process, let’s reverse firmware embedded into the D-Link DIR-806A B1 router and find out how signature validation is implemented in it.
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Save me. How to protect networks against spoofing attacks

Date: 31/03/2025

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Spoofing attacks are simple to deliver, and their impact is gross. This article discusses such attacks from the security perspective. The main challenge is to intelligently integrate network security solutions with production without disrupting business processes. Such integration requires a good understanding of the network and equipment specifics. In fact, this is the cornerstone of success.
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