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Zero-day vulnerability found in Telegram

Telegram-zeroday-vulnerability
Research conducted by Kaspersky showed that the zero-day flaw was based on the RLO (right-to-left override) Unicode method, which is generally used for coding languages written from right to left, such as Arabic and Hebrew. However, it can also be used by hackers to dupe unknowing recipients into downloading malware, for example disguised as images.

Kaspersky analysts identified “several scenarios of zero-day exploitation in the wild by threat actors.” The threats identified were two-fold. First, the exploit was used to deliver mining software, allowing hackers to use the victim’s machine to mine cryptocurrency including “Monero, Zcash, Fantomcoin and others.”

Second, a backdoor was installed allowing cybercriminals to gain remote access to the victim’s computer after which it started to “operate in a silent mode,” allowing “the threat actor to remain unnoticed in the network and execute different commands, including the further installation of spyware tools.”

Kaspersky...(continued)

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