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Due to the recent rise in cryptocurrency trading prices, most online systems these days are often under the assault of crypto-mining botnets seeking to gain a foothold on unsecured systems and make a profit for their criminal overlords.

The latest of these threats is a botnet named WatchDog. Discovered by Unit 42, a threat intelligence division at Palo Alto Networks, this crypto-mining botnet has been active since January 2019.

Written in the Go programming language, researchers say they’ve seen WatchDog infect both Windows and Linux systems.

The point of entry for their attacks has been outdated enterprise apps. According to an analysis of the WatchDog botnet operations published on Wednesday, Unit 42 said the botnet operators used 33 different exploits to target 32 vulnerabilities in software such as:

Windows and Linux servers targeted by new WatchDog botnet for almost two years