Published on March 1, 2024, 8:09 pm

Title: Sophisticated Social Engineering Tactics Employed In Malware Spreading Through Calendar Invites

Hackers have been employing sophisticated social engineering tactics along with calendar invites to spread Mac malware. By leveraging the calendar scheduling tool Calendly, hackers are sending out meeting invitations in an attempt to deceive even the most secure Mac antivirus software.

One recent campaign disclosed by a reader of Krebs On Security involved hackers posing as investors interested in cryptocurrency opportunities. The victim was initially contacted via Telegram regarding a potential investment. Subsequently, the victim shared their Calendly details to arrange a video call for discussing investment options. However, when attempting to join the meeting on the scheduled date, the provided link did not work as expected. The scammers then purportedly sent a new link citing technical issues. This new link, instead of leading to the anticipated virtual meeting, triggered an error message offering a script to resolve the issue.

Tragically, executing this script unknowingly installed a trojan onto the victim’s Mac device, capable of extracting sensitive data. Upon realizing this breach, the victim promptly took actions such as changing passwords and reinstalling macOS to mitigate potential damage caused by the malware. Although identifying the specific malware strain used was challenging due to these preventive measures.

To safeguard your device against such threats, it is crucial to maintain a healthy dose of skepticism when interacting with unfamiliar links or communications received from unknown sources. Additionally, ensuring that your device receives regular updates and considering deploying reliable firewalls can significantly enhance your device’s security against malicious cyber activities.

Remember always to exercise caution online and prioritize cybersecurity practices to protect yourself from falling prey to similar social engineering attacks like this one circulating within nefarious hacker circles.


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