Telegram Replay attack vulnerability in Telegram for Android In November 2016 I've discovered a vulnerability in the Telegram Instant Messenger for Android. This post will describe the discovery, responsible disclosure and Telegram's response. Replay attack A replay attack is an attack
Telegram How to modify general TCP/IP traffic on the fly with Trudy There are several great tools available to intercept network traffic. Scapy and Wireshark are great tools for passive sniffing and Scapy is also capable of sending additional packets. In case you want to
Telegram How Telegram obfuscates its traffic to allegedly circumvent censorship The Signal messenger recently incorporated an interesting mechanism to circumvent censorship in some troubled countries, such as Egypt or the UAE. The technique called domain fronting uses popular cloud services like the ones
Telegram IGE Block Cipher Mode Infinite Garble Extension (IGE) is a lesser-known block cipher mode. OpenSSL implemented IGE back in 2006 as described in its official paper. I came across IGE because of my analysis of Telegram IM