![]() ![]() Botnets can be used to scan for systems that have left this port open, providing an opportunity for the bad actor to guess the login details using, for example, a brute force attack. The specific port targeted by the ransomware is port 3389. By gaining direct access using the Remote Desktop Protocol (RDP).By conducting phishing campaigns to steal account details and passwords, or to trick the targeted individual into opening a malicious attachment.Hackers use Phobos ransomware to target remote desktops with weak passwords using two main attack vectors: Both are designed to target Windows systems, as they use exploits in Microsoft’s RDP communication protocol. One reason that Dharma and Phobos are popular with hackers is their ransomware-as-a-service (RaaS) approach, which requires minimal technical skills to launch an attack. As a result, small and medium-sized businesses must be particularly vigilant of the impact a Phobos ransomware attack could have on their data security. While Dharma and Phobos are very similar in terms of their code and popular due to their simplicity, there is one major difference: as of early 2022, there is still not a decryption tool available for Phobos. Similarly, when decryption tools were developed to target Dharma, the ransomware again evolved. Following the creation of Crysis decryption keys, cybercriminals updated the code to create Dharma. ![]() Crysis was first identified in 2016 and became popular when its source code was released online. Phobos, named after the Greek god of fear, is a type of ransomware with close ties to two other types of notorious virus, Crysis and Dharma, in terms of structure and approach. ![]()
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