Investigating Ivanti Connect Secure VPN Exploitation and Persistence Attempts

Mandiant and Ivanti’s investigations into widespread Ivanti zero-day exploitation have continued across a variety of industry verticals, including the U.S. defense industrial base sector. Following the initial publication on Jan. 10, 2024, Mandiant observed mass attempts to exploit these vulnerabilities Read More …

re: Zyxel VPN Series Pre-auth Remote Command Execution

On January 25, 2024, SSD Secure Disclosure posted a disclosure titled Zyxel VPN Series Pre-auth Remote Command Execution. The writeup describes an unauthenticated remote command injection vulnerability affecting Zyxel VPN firewalls. That caught VulnCheck researchers attention. The Zyxel VPN series Read More …

ConnectWise Releases Critical Security Update for ScreenConnect

ConnectWise has released a security update addressing two vulnerabilities in on-premise ScreenConnect deployments. The update addresses a critical authentication bypass vulnerability with a CVSSv3 score of 10 and a path traversal vulnerability with a CVSSv3 score of 8.4. A remote Read More …

The Risks Of The #Monikerlink Bug In Microsoft Outlook And The Big Picture

Recently, Check Point Research released a white paper titled “The Obvious, the Normal, and the Advanced: A Comprehensive Analysis of Outlook Attack Vectors”, detailing various attack vectors on Outlook to help the industry understand the security risks the popular Outlook Read More …

CVE-2023-47218: QNAP QTS and QuTS Hero Unauthenticated Command Injection (FIXED)

Rapid7 has identified an unauthenticated command injection vulnerability in the QNAP operating system known as QTS and QuTS hero. QTS is a core part of the firmware for numerous QNAP entry- and mid-level Network Attached Storage (NAS) devices, and QuTS Read More …

Ivanti urges customers to patch yet another critical vulnerability

In a new blog post, Ivanti says that it has found another vulnerability and urges customers to “immediately take action to ensure you are fully protected”. This vulnerability only affects a limited number of supported versions–Ivanti Connect Secure (version 9.1R14.4, Read More …

AnyDesk confirms cyber attack, revokes certificates as hackers infiltrate systems

AnyDesk has confirmed it suffered a cyberattack in which hackers were able to compromise its production systems. In a press release published on the company’s website, the remote access provider said it spotted the attack after seeing “indications of an Read More …

Volt Typhoon Actors Exploiting Insecure SOHO Routers

Threat actors—particularly the People’s Republic of China (PRC)—sponsored Volt Typhoon group—are compromising small office/home office (SOHO) routers by exploiting software defects that manufacturers must eliminate through secure software design and development. Specifically, Volt Typhoon actors are exploiting security defects in Read More …

The NSA buys Americans’ internet data, newly released documents show

The National Security Agency has been buying Americans’ web browsing data from commercial data brokers without warrants, intelligence officials disclosed in documents made public by a US senator Thursday. The purchases include information about the websites Americans visit and the Read More …

7777-Botnet Infection Vectors

In October 2023, the 7777-Botnet was first discussed in a writeup titled, The Curious Case of the 7777-Botnet. The author, supported by other researchers, describes a ~10,000 node botnet that’s purpose is to brute-force Microsoft Azure user credentials. It employs Read More …