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Active Nitrogen campaign delivered via malicious ads for PuTTY, FileZilla

Malwarebytes

In the past couple of weeks, we have observed an ongoing campaign targeting system administrators with fraudulent ads for popular system utilities. We have observed several different advertiser accounts which were all reported to Google. Click here for more information about DNS filtering via our Nebula platform.

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‘Wormable’ Flaw Leads July Microsoft Patches

Krebs on Security

Top of the heap this month in terms of outright scariness is CVE-2020-1350 , which concerns a remotely exploitable bug in more or less all versions of Windows Server that attackers could use to install malicious software simply by sending a specially crafted DNS request.

DNS 280
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Defending Against Misconfigured MFA & PrintNightmare Vulnerabilities

eSecurity Planet

Inactive Accounts and Default Configurations. Hackers gained initial access by brute-forcing an existing account via “a simple, predictable password” to enroll a new device in the MFA procedures, the agencies said. MFA was automatically disabled because the account was inactive for a long period.

VPN 108
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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. It allows users using web browsers to set up user accounts, Apache, DNS, file sharing and much more. News of the day is that Webmin contained a remote code execution vulnerability, tracked as CVE-2019-15107, for more than a year.

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Roboto, a new P2P botnet targets Linux Webmin servers

Security Affairs

The Roboto botnet spreads by compromising systems by exploiting the Webmin RCE vulnerability tracked as CVE-2019-15107 to drop its downloader module on Linux servers running vulnerable installs. Webmin is an open-source web-based interface for system administration for Linux and Unix.

DDOS 80
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Ransomware: Why do backups fail when you need them most?

Malwarebytes

So why do we keep hearing things like this: We’re also feeling relatively confident, we have a very good backup system … and then we find out at about four or five hours after the [ransomware] attack that our backup system is completely gone. Ski Kacoroski, System administrator, Northshore School District.

Backups 88
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Top Cybersecurity Accounts to Follow on Twitter

eSecurity Planet

Here are the top Twitter accounts to follow for the latest commentary, research, and much-needed humor in the ever-evolving information security space. Kennedy founded cybersecurity-focused TrustedSec and Binary Defense Systems and co-authored Metasploit: The Penetration Tester’s Guide. Denial-of-Suez attack.