Secret Backdoor Account Found in Several Zyxel Firewall, VPN Products

Zyxel has released a patch to address a critical vulnerability in its firmware concerning a hardcoded, undocumented secret account that could be abused by an attacker to login with administrative privileges and compromise its networking devices. The flaw, tracked as CVE-2020-29583 CVSS score 7.8,...

Actively exploited vulnerability fixed in SolarWinds Orion

SolarWinds has fixed a vulnerability in the Orion Platform. A malicious party could exploit this vulnerability to bypass authentication within the Orion API. Subsequently, the API can be used to compromise the Orion installation or underlying operating system. The vulnerability is actively...

Microsoft Warns CrowdStrike of Hackers Targeting Azure Cloud Customers

New evidence amidst the ongoing probe into the espionage campaign targeting SolarWinds has uncovered an unsuccessful attempt to compromise cybersecurity firm Crowdstrike and access the company's email. The hacking endeavor was reported to the company by Microsoft's Threat Intelligence Center on...

SUNBURST Additional Technical Details

FireEye has discovered additional details about the SUNBURST backdoor since our initial publication on Dec. 13, 2020. Before diving into the technical depth of this malware, we recommend readers familiarize themselves with our blog post about the SolarWinds supply chain compromise, which revealed...

How we protect our users against the Sunburst backdoor

What happened SolarWinds, a well-known IT managed services provider, has recently become a victim of a cyberattack. Their product Orion Platform, a solution for monitoring and managing their customers IT infrastructure, was compromised by threat actors. This resulted in the deployment of a custom...

A Second Hacker Group May Have Also Breached SolarWinds, Microsoft Says

As the probe into the SolarWinds supply chain attack continues, new digital forensic evidence has brought to light that a separate threat actor may have been abusing the IT infrastructure provider's Orion software to drop a similar persistent backdoor on target systems. "The investigation of the...

Analyzing Solorigate, the compromised DLL file that started a sophisticated cyberattack, and how Microsoft Defender helps protect customers

We, along with the security industry and our partners, continue to investigate the extent of the Solorigate attack. While investigations are underway, we want to provide the defender community with intelligence to understand the scope, impact, remediation guidance, and product detections and...

Analyzing Solorigate, the compromised DLL file that started a sophisticated cyberattack, and how Microsoft Defender helps protect customers

We, along with the security industry and our partners, continue to investigate the extent of the Solorigate attack. While investigations are underway, we want to provide the defender community with intelligence to understand the scope, impact, remediation guidance, and product detections and...

Sunburst: connecting the dots in the DNS requests

On December 13, 2020 FireEye published important details of a newly discovered supply chain attack. An unknown attacker, referred to as UNC2452 or DarkHalo planted a backdoor in the SolarWinds Orion IT software. This backdoor, which comes in the form of a .NET module, has some really interesting...

Software Supply-Chain Attack Hits Vietnam Government Certification Authority

Cybersecurity researchers today disclosed a new supply-chain attack targeting the Vietnam Government Certification Authority VGCA that compromised the agency's digital signature toolkit to install a backdoor on victim systems. Uncovered by Slovak internet security company ESET early this month, t...

Software Supply-Chain Attack Hits Vietnam Government Certification Authority

Cybersecurity researchers today disclosed a new supply-chain attack targeting the Vietnam Government Certification Authority VGCA that compromised the agency's digital signature toolkit to install a backdoor on victim systems. Uncovered by Slovak internet security company ESET early this month, t...

Additional Analysis into the SUNBURST Backdoor | McAfee Blogs

ARCHIVED STORY Additional Analysis into the SUNBURST Backdoor Christiaan Beek · DEC 17, 2020 Executive Summary There has been considerable focus on the recent disclosures associated with SolarWinds, and while existing analysis on the broader campaign has resulted in detection against specific IoC...

Additional Analysis into the SUNBURST Backdoor | McAfee Blogs

ARCHIVED STORY Additional Analysis into the SUNBURST Backdoor Christiaan Beek · DEC 17, 2020 Executive Summary There has been considerable focus on the recent disclosures associated with SolarWinds, and while existing analysis on the broader campaign has resulted in detection against specific IoC...

New Evidence Suggests SolarWinds' Codebase Was Hacked to Inject Backdoor

The investigation into how the attackers managed to compromise SolarWinds' internal network and poison the company's software updates is still underway, but we may be one step closer to understanding what appears to be a very meticulously planned and highly-sophisticated supply chain attack. A ne...

New Evidence Suggests SolarWinds' Codebase Was Hacked to Inject Backdoor

The investigation into how the attackers managed to compromise SolarWinds' internal network and poison the company's software updates is still underway, but we may be one step closer to understanding what appears to be a very meticulously planned and highly-sophisticated supply chain attack. A ne...

The SolarWinds Perfect Storm: Default Password, Access Sales and More

SECOND UPDATE A perfect storm may have come together to make SolarWinds such a successful attack vector for the global supply-chain cyberattack discovered this week. Researchers said that includes its use of a default password “SolarWinds123” that gave attackers an open door into its...

SolarWinds Issues Second Hotfix for Orion Platform Supply Chain Attack

Network monitoring services provider SolarWinds officially released a second hotfix to address a critical vulnerability in its Orion platform that was exploited to insert malware and breach public and private entities in a wide-ranging espionage campaign. In a new update posted to its advisory...

Nearly 18,000 SolarWinds Customers Installed Backdoored Software

SolarWinds, the enterprise monitoring software provider which found itself at the epicenter of the most consequential supply chain attacks, said as many as 18,000 of its high-profile customers might have installed a tainted version of its Orion products. The acknowledgment comes as part of a new...

Sunburst Backdoor Suspicious Traffic

Sunburst Backdoor Trojan is a malicious application that allows remote attackers to gain access to an affected system...

US Agencies and FireEye Were Hacked Using SolarWinds Software Backdoor

State-sponsored actors allegedly working for Russia have targeted the US Treasury, the Commerce Department's National Telecommunications and Information Administration NTIA, and other government agencies to monitor internal email traffic as part of a widespread cyberespionage campaign. The...