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Hackers are using complex social engineering campaigns and calendar invites to distribute Mac malware.
The hackers are abusing calendar scheduling tool Calendly to distribute meeting invites as part of their attempts to fool the best Mac antivirus.
The narrative behind this campaign is far more complex than the usual email spam you might be used to, so here is how they did it, and how to keep yourself safe if you get targeted.
Shady investments
Disclosed by a reader of Krebs On Security, the campaign saw hackers go after cryptocurrency by posing as investors looking for their next startup to provide with funding. In this case, the victim was originally contacted via Telegram looking for an investment opportunity.
The scammer wanted to organize a meeting to discuss the potential investment options, and so the victims sent over their Calendly details in order to organize a video call. The fateful day approached, but nothing happened when the victim attempted to open the meeting link. Low and behold, the scammers’ ‘IT team’ fixed the issue by sending out a new meeting link.
Alas, the second link opened up a technical error message instead of the meeting, with a message displaying that there was an error with the video service. Luckily the message had a handy little script that could fix the issue and allow the victim to finally get some facetime with the potential investors.
Rather than being graced with the face of the generous benefactor, the script installed a trojan with the ability to steal sensitive information from the victims Mac device. The victim, realizing the error of their ways, then changed their passwords and installed a fresh version of macOS.
While this was a good choice on the victims part, it unfortunately means that there is no evidence to suggest exactly what strain of malware was used.
In order to keep your device safe, always have a healthy amount of suspicion when receiving and clicking on any links sent from a stranger, and be sure to keep your device up to date with the latest updates, or take a look at some of the best firewalls to keep your device secure.
Via TomsGuide
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