Hidden Bee: Let’s go down the rabbit hole

Some time ago, we discussed the interesting malware, Hidden Bee. It is a Chinese miner, composed of userland components, as well as of a bootkit part. One of its unique features is a custom format used for some of the high-level elements this format was featured in my recent presentation at SAS...

PyRoMine Uses NSA Exploit for Monero Mining and Backdoors

The ShadowBrokers’ release of a trove of National Security Agency exploits last year appears to be the gift that keeps on giving, to the hacker community at least: A fresh malware that uses the EternalRomance tool has hit the scene, with Monero-mining as the stated goal. However, more damaging...

Cryptomining Campaign Returns Coal and Not Diamond

Executive summary Soon after a launch of a new cryptocurrency, Bitvote, in January, Talos discovered a new mining campaign affecting systems in India, Indonesia, Vietnam and several other countries that were tied to Bitvote. Apart from the fact that the attackers have chosen to target the new...

Unicode Technique Used to Deliver Cryptomining Malware Through Telegram

Attackers are using the time-tested right-to-left override technique to deliver cryptomining malware through the popular Telegram messaging application, say researchers. The right-to-left RLO technique uses Unicode to hide malicious file names and trick users into executing what appear to be beni...