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The source code of the 2020 variant of HelloKitty ransomware was leaked on a cybercrime forum

Security Affairs

pic.twitter.com/YJavUu53v3 — vx-underground (@vxunderground) October 7, 2023 BleepingComputer was able to verify with the help of the popular malware researcher Michael Gillespie that that source code is legitimate and is related to the first version of the ransomware that was employed in 2020.

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SideWinder carried out over 1,000 attacks since April 2020

Security Affairs

SideWinder, an aggressive APT group, is believed to have carried out over 1,000 attacks since April 2020, Kaspersky reported. The group stands out for the high frequency and persistence of its attacks, researchers believe that the APT group has carried out over 1,000 attacks since April 2020. SecurityAffairs – hacking, SideWinder).

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FragAttacks vulnerabilities expose all WiFi devices to hack

Security Affairs

.” Summarizing, the design flaws discovered by the expert are: CVE-2020-24588 : aggregation attack (accepting non-SPP A-MSDU frames). CVE-2020-24587 : mixed key attack (reassembling fragments encrypted under different keys). CVE-2020-26140 : Accepting plaintext data frames in a protected network. Pierluigi Paganini.

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TeamTNT is back and targets servers to run Bitcoin encryption solvers

Security Affairs

The TeamTNT botnet is a crypto-mining malware operation that has been active since April 2020 and targets Docker installs. The activity of the TeamTNT group has been detailed by security firm Trend Micro, but in August 2020 experts from Cado Security discovered that botnet is also able to target misconfigured Kubernetes installations.

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Ransomware operators exploit VMWare ESXi flaws to encrypt disks of VMs

Security Affairs

Ransomware operators are exploiting two VMWare ESXi vulnerabilities, CVE-2019-5544 and CVE-2020-3992, to encrypt virtual hard disks. Security experts are warning of ransomware attacks exploiting two VMWare ESXi vulnerabilities, CVE-2019-5544 and CVE-2020-3992 , to encrypt virtual hard disks. Pierluigi Paganini.

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Security Blueprints of Many Companies Leaked in Hack of Swedish Firm Gunnebo

Krebs on Security

In March 2020, KrebsOnSecurity alerted Swedish security giant Gunnebo Group that hackers had broken into its network and sold the access to a criminal group which specializes in deploying ransomware. “The harsh and unfortunate reality is the security of a number of security companies is s**t,” Arena said.

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ViperSoftX uses more sophisticated encryption and anti-analysis techniques

Security Affairs

xyz pic.twitter.com/VLhISark8Y — Goldwave (@OGoldwave) March 13, 2023 The variant employed in the campaign supports a more sophisticated encryption method of byte remapping and a monthly rotation of the C2 server. #ViperSoftX is back, doesn't look like much has changed. c2 arrowlchat[.]com ” concludes the report.