CVE-2023-2868: Total Compromise of Physical Barracuda ESG Appliances

Rapid7 incident response teams are investigating exploitation of physical Barracuda Networks Email Security Gateway ESG appliances dating back to at least November 2022. As of June 6, 2023, as part of an ongoing product incident response, Barracuda is urging ESG customers to immediately...

New PowerDrop Malware Targeting U.S. Aerospace Industry

An unknown threat actor has been observed targeting the U.S. aerospace industry with a new PowerShell-based malware called PowerDrop. "PowerDrop uses advanced techniques to evade detection such as deception, encoding, and encryption," according to Adlumin, which found the malware implanted in an...

New Malware Campaign Leveraging Satacom Downloader to Steal Cryptocurrency

A recent malware campaign has been found to leverage Satacom downloader as a conduit to deploy stealthy malware capable of siphoning cryptocurrency using a rogue extension for Chromium-based browsers. "The main purpose of the malware that is dropped by the Satacom downloader is to steal BTC from...

This is Ceti Alpha Five!

Star Trek II: The Wrath of Khan demonstrating the very best and worst of cybersecurity in the 23rd Century For those new to the Sci-Fi game, Star Trek II: The Wrath of Khan is a 1982 science fiction film based on the 1966-69 television series Star Trek. In the film, Admiral James T. Kirk and the...

MOVEit Transfer Under Attack: Zero-Day Vulnerability Actively Being Exploited

A critical flaw in Progress Software's in MOVEit Transfer managed file transfer application has come under widespread exploitation in the wild to take over vulnerable systems. The shortcoming, which is assigned the CVE identifier CVE-2023-34362, relates to a severe SQL injection vulnerability tha...

How Wazuh Improves IT Hygiene for Cyber Security Resilience

IT hygiene is a security best practice that ensures that digital assets in an organization's environment are secure and running properly. Good IT hygiene includes vulnerability management, security configuration assessments, maintaining asset and system inventories, and comprehensive visibility...

CISA Known Exploited Vulnerability Catalog May 2023

For a detailed CISAs KEV Catalog, download the pdf file here Summary The Known Exploited Vulnerability KEV catalog, maintained by CISA, is the authoritative source of vulnerabilities that have been exploited in the wild. To be included in the catalog, a vulnerability must meet three criteria: hav...

Improved BlackCat Ransomware Strikes with Lightning Speed and Stealthy Tactics

The threat actors behind BlackCat ransomware have come up with an improved variant that prioritizes speed and stealth in an attempt to bypass security guardrails and achieve their goals. The new version, dubbed Sphynx and announced in February 2023, packs a "number of updated capabilities that...

Urgent WordPress Update Fixes Critical Flaw in Jetpack Plugin on Million of Sites

WordPress has issued an automatic update to address a critical flaw in the Jetpack plugin that's installed on over five million sites. The vulnerability, which was unearthed during an internal security audit, resides in an API present in the plugin since version 2.0, which was released in Novembe...

Beware of Ghost Sites: Silent Threat Lurking in Your Salesforce Communities

Improperly deactivated and abandoned Salesforce Sites and Communities aka Experience Cloud could pose severe risks to organizations, leading to unauthorized access to sensitive data. Data security firm Varonis dubbed the abandoned, unprotected, and unmonitored resources "ghost sites." "When these...

Microsoft Details Critical Apple macOS Vulnerability Allowing SIP Protection Bypass

Microsoft has shared details of a now-patched flaw in Apple macOS that could be abused by threat actors with root access to bypass security enforcements and perform arbitrary actions on affected devices. Specifically, the flaw – dubbed Migraine and tracked as CVE-2023-32369 – could be abused to g...

6 Steps to Effectively Threat Hunting: Safeguard Critical Assets and Fight Cybercrime

Finding threat actors before they find you is key to beefing up your cyber defenses. How to do that efficiently and effectively is no small task – but with a small investment of time, you can master threat hunting and save your organization millions of dollars. Consider this staggering statistic...

CISA issues warning to US businesses: Beware of China's state-sponsored cyber actor

The US Cybersecurity and Infrastructure Security Agency CISA has an urgent message for US businesses: watch out for Volt Typhoon, a threat actor sponsored by the Peoples Republic of China PRC. The agency's joint Cybersecurity Advisory CSA published last week highlights a cluster of tactics,...

Alert: Hackers Exploit Barracuda Email Security Gateway 0-Day Flaw for 7 Months

Enterprise security firm Barracuda on Tuesday disclosed that a recently patched zero-day flaw in its Email Security Gateway ESG appliances had been abused by threat actors since October 2022 to backdoor the devices. The latest findings show that the critical vulnerability, tracked as CVE-2023-286...

WordPress Yoast SEO Plugin < 15.0 XSS Vulnerability

The WordPress plugin SPDX-FileCopyrightText: 2023 Greenbone AG Some text descriptions might be excerpted from a referenced sources, and are Copyright C by the respective right holders. SPDX-License-Identifier: GPL-2.0-only CPE = "cpe:/a:yoast:yoastseo"; if description...

Buhti Ransomware Operation Repurposes Leaked Encryptors

Threat Level Attack Report For a detailed threat advisory, download the pdf file here Summary Buhti ransomware, linked to Blacktail threat actors, employs leaked code of LockBit and Babuk variants. By exploiting vulnerabilities like PaperCut NG, they exfiltrate data and distribute ransomware. The...

Barracuda Warns of Zero-Day Exploited to Breach Email Security Gateway Appliances

Email protection and network security services provider Barracuda is warning users about a zero-day flaw that it said has been exploited to breach the company's Email Security Gateway ESG appliances. The zero-day is being tracked as CVE-2023-2868 and has been described as a remote code injection...

Alert: Brazilian Hackers Targeting Users of Over 30 Portuguese Banks

A Brazilian threat actor is targeting more than 30 Portuguese financial institutions with information-stealing malware as part of a long-running campaign that commenced in 2021. "The attackers can steal credentials and exfiltrate users' data and personal information, which can be leveraged for...

On the Poisoning of LLMs

Interesting essay on the poisoning of LLMs--ChatGPT in particular: Given that weve known about model poisoning for years, and given the strong incentives the black-hat SEO crowd has to manipulate results, its entirely possible that bad actors have been poisoning ChatGPT for months. We dont know...

Abusing Web Services Using Automated CAPTCHA-Breaking Services and Residential Proxies

This blog entry features three case studies that show how malicious actors evade the antispam, antibot, and antiabuse measures of online web services via residential proxies and CAPTCHA-breaking services...