Author: DEFENDEDGE
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‘Karakurt’ Extortion Threat Emerges, But Says No to Ransomware
The threat group, first identified in June, focuses solely on data exfiltration and subsequent extortion, and has already targeted 40 victims since September. Read more
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Cisco Releases Security Advisory for Multiple Products Affected by Apache HTTP Server Vulnerabilities
Original release date: December 9, 2021 Cisco has released a security advisory to address Cisco products affected by multiple vulnerabilities in Apache HTTP Server 2.4.48 and earlier releases. An unauthenticated remote attacker could exploit this vulnerability to take control of an affected system. CISA encourages users and administrators to review Cisco Advisory cisco-sa-apache-httpd-2.4.49-VWL69sWQ and apply… Read more
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How MikroTik Routers Became a Cybercriminal Target
The powerful devices leveraged by the Meris botnet have weaknesses that make them easy to exploit, yet complex for organizations to track and secure, researchers said. Read more
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CISA Releases Guidance on Protecting Organization-Run Social Media Accounts
Original release date: December 9, 2021 CISA has released Capability Enhancement Guide (CEG): Social Media Account Protection, which details ways to protect the security of organization-run social media accounts. Malicious cyber actors that successfully compromise social media accounts—including accounts used by federal agencies—could spread false or sensitive information to a wide audience. The measures described… Read more
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Not with a Bang but a Whisper: The Shift to Stealthy C2
DoH! Nate Warfield, CTO of Prevailion, discusses new stealth tactics threat actors are using for C2, including Malleable C2 from Cobalt Strike’s arsenal. Read more
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Moobot Botnet Chews Up Hikvision Surveillance Systems
Attackers are milking unpatched Hikvision video systems to drop a DDoS botnet, researchers warned. Read more
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SonicWall Releases Security Advisory for SMA 100 Series Appliances
Original release date: December 8, 2021 SonicWall has released a security advisory to address vulnerabilities affecting SonicWall Secure Mobile Access (SMA) 100 series appliances. A remote attacker could exploit these vulnerabilities to take control of an affected system. SMA 100 series appliances provide an organization’s employees with remote access to internal resources. Note: although there… Read more
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Critical SonicWall VPN Bugs Allow Complete Appliance Takeover
Unauthenticated, remote attackers can achieve root-level RCE on SMA 100-series appliances. Read more
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AWS Among 12 Cloud Services Affected by Flaws in Eltima SDK
Researchers have found a number of high-security vulnerabilities in a library created by network virtualization firm Eltima, that leave about a dozen cloud services used by millions of users worldwide open to privilege-escalation attacks. That includes Amazon WorkSpaces, Accops and NoMachine, among others: all apps that enable remote desktop access by using the Eltima software… Read more
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Windows 10 Drive-By RCE Triggered by Default URI Handler
There’s an argument injection weakness in the Windows 10/11 default handler, researchers said: an issue that Microsoft has only partially fixed. Read more