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Telegram is indistinguishable from an FSB honeypot (rys.io)

submitted 2 weeks ago by [email protected] to c/[email protected]

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Investigation by investigative journalism outlet IStories (EN version by OCCRP) shows that Telegram uses a single, FSB-linked company as their infrastructure provider globally.

Telegram's MTProto protocol also requires a cleartext identifier to be prepended to all client-server messages.

Combined, these two choices by Telegram make it into a surveillance tool.

I am quoted in the IStories story. I also did packet captures, and I dive into the nitty-gritty technical details on my blog.

Packet captures and MTProto deobfuscation library I wrote linked therein so that others can retrace my steps and check my work.

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[–] [email protected] 0 points 1 week ago

This seems a bit convoluted as an explanation if I’ve understood it correctly. If Telegram as using a compromised hosting provider then you could have the strongest crypto in the world to prevent a man-in-the-middle from seeing the unique identifier for each device and it wouldn’t matter since they already who which user is which IP from the servers they control. They don’t stand to gain anything by exposing the unique string to MiTM attacks when they already control Telegram’s servers unless their goal is also to allow other countries to see which user has which IP too. It just seems like an incompetent implementation.