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Backdoored Webmin versions were available for download for over a year

Security Affairs

Webmin is an open-source web-based interface for system administration for Linux and Unix. The flaw affects the procedure for changing expired passwords, the backdoor could be exploited by a remote attacker to execute malicious commands with root privileges on the machine running vulnerable Webmin. Pierluigi Paganini.

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Top 10 web application vulnerabilities in 2021–2023

SecureList

Distribution of programming languages used in writing web applications, 2021–2023 ( download ) We analyzed data obtained through web application assessments that followed the black, gray and white box approaches. Mitigation: do not store files containing sensitive data, such as passwords or backups, in web application publish directories.

Passwords 116
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Kaseya Left Customer Portal Vulnerable to 2015 Flaw in its Own Software

Krebs on Security

The attackers exploited a vulnerability in software from Kaseya , a Miami-based company whose products help system administrators manage large networks remotely. Last week cybercriminals deployed ransomware to 1,500 organizations that provide IT security and technical support to many other companies.

Software 292
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Roboto, a new P2P botnet targets Linux Webmin servers

Security Affairs

In October one of the honeypots of the company captured the bot, its downloader , and some bot modules. “Fast forwarded to October 11, 2019, our Anglerfish honeypot captured another suspicious ELF sample, and it turned out to be the Downloader of the previous suspicious ELF sample.”

DDOS 80
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9 Best Penetration Testing Tools for 2022

eSecurity Planet

A significant number of the tools below are included in Kali Linux, a dedicated operating system for pen testing and ethical hacking. Installing Kali can remove the hassle of downloading and installing these tools separately. Download Gobuster. Download and install Amass. Best Password Crackers. Useful links.

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US govt agencies share details of the China-linked espionage malware Taidoor

Security Affairs

The CISA agency provides recommendations for system administrators and owners to enhance the level of security of their organizations: Maintain up-to-date antivirus signatures and engines. Keep operating system patches up-to-date. If these services are required, use strong passwords or Active Directory authentication.

Malware 106
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Hacker breaches key Russian ministry in blink of an eye

Security Affairs

VNC is a desktop sharing system – you can use it to remotely access your work computer from home or any other location, or allow technical support staff to do likewise. Ideally, VNC should be used only with authenticated users, such as system administrators.