New Backdoor Obfuscation Tricks Challenging Security

  • 19th Jul 2021
  • Onecover

A new phishing campaign has been discovered delivering the BazarBackdoor malware. The campaign is using the multi-compression method to hide the malware as an image file. This method can trick Secure Email Gateways (SEGs) into detecting malicious attachments as clean files.According to researchers from Cofense, the multi-compression method can bypass some SEGs as they have limits on thoroughly checking or scanning a compressed file.

As the year commenced, BazarBackdoor got a makeover. Now, the threat actors behind it are getting more sophisticated and using new ways of disseminating the malware. This makes it a worrisome threat and requires continuous monitoring from security agencies.

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