Security News

A man who developed distributed denial of service botnets based on the source code of Mirai was sentenced to 13 months in federal prison. Initially based on the publicly available Mirai source code, the botnets received additional capabilities over time, which increased their complexity and efficiency, the DoJ says.

A new version of the infamous Mirai botnet is exploiting a recently uncovered critical vulnerability in network-attached storage devices in an attempt to remotely infect and control vulnerable machines. Called "Mukashi," the new variant of the malware employs brute-force attacks using different combinations of default credentials to log into Zyxel NAS, UTM, ATP, and VPN firewall products to take control of the devices and add them to a network of infected bots that can be used to carry out Distributed Denial of Service attacks.

A new version of the infamous Mirai botnet is exploiting a recently uncovered critical vulnerability in network-attached storage devices in an attempt to remotely infect and control vulnerable machines. Called "Mukashi," the new variant of the malware employs brute-force attacks using different combinations of default credentials to log into Zyxel NAS, UTM, ATP, and VPN firewall products to take control of the devices and add them to a network of infected bots that can be used to carry out Distributed Denial of Service attacks.

A new variant of the notorious Mirai malware has been delivered by cybercriminals to network-attached storage devices made by Zyxel through the exploitation of a recently patched vulnerability. Zyxel informed customers last month that some of its NAS devices and firewalls are affected by a critical vulnerability - tracked as CVE-2020-9054 - that can be exploited by a remote, unauthenticated attacker to execute arbitrary code on affected devices.

In February, hardware maker Zyxel fixed a zero-day vulnerability in its routers and VPN firewall products after KrebsOnSecurity told the company the flaw was being abused by attackers to break into devices. Security experts at Palo Alto Networks said Thursday their sensors detected the new Mirai variant - dubbed Mukashi - on Mar. 12.

Another variant of the shape-shifting Mirai botnet is attacking Zyxel network-attached storage devices using a critical vulnerability that was only recently discovered, according to security researchers. The variant, dubbed Mukashi, takes advantage of a pre-authentication command injection vulnerability found in Zyxel NAS storage devices, according to researchers at Palo Alto Networks' Unit 42 global threat intelligence team.

Another variant of the shape-shifting Mirai botnet is attacking Zyxel network-attached storage devices using a critical vulnerability that was only recently discovered, according to security researchers. The variant, dubbed Mukashi, takes advantage of a pre-authentication command injection vulnerability found in Zyxel NAS storage devices, according to researchers at Palo Alto Networks' Unit 42 global threat intelligence team.

The Mirai botnet is known for targeting Internet of Things devices and conducting massive DDoS attacks, as described by cyberthreat researcher Check Point Research. A look at the top cyber threats for February by Check Point Research highlights the latest developments in popular malware strains and vulnerabilities.

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A recently discovered variant of the Mirai Internet of Things (IoT) malware is using a command and control (C&C) server on the Tor network, Trend Micro’s security researchers have discovered.  read more