Eight cities across three states in the United States have fallen victim to a Magecart card skimming attack. In these attacks, their websites were compromised to host credit card skimmers which passed on the credit card information of residents to cybercriminals.
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We found two malware files that pose as Zoom app installers. One of the samples installs a backdoor that allows malicious actors to run routines remotely, while the other sample involves the installation of the Devil Shadow botnet in devices.
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We have constantly observed suspicious activities caused by adware, with common behaviors that include access to seemingly random domains with alternating consonant and vowel names, scheduled tasks, and in-memory execution via WScript that has proven to be an effective method to hide their operations for at least four years.
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We observed an increase in hacking group Outlaw’s activities in December, with updates on the kits’ capabilities reminiscent of their previous attacks.
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Cryptocurrencies’ values are increasing again, which may explain why the number of stealthy techniques to deliver them have also increased this year. We found another campaign using process hollowing and a dropper component to evade detection and analysis, and can potentially be used for other malware payloads.
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