Ivanti Releases Urgent Fix for Critical Sentry RCE Vulnerability

Ivanti has disclosed details of a critical remote code execution flaw impacting Standalone Sentry, urging customers to apply the fixes immediately to stay protected against potential cyber threats. Tracked as CVE-2023-41724, the vulnerability carries a CVSS score of 9.6. "An unauthenticated threa...

The Updated APT Playbook: Tales from the Kimsuky threat actor group

Co-authors are Christiaan Beek and Raj Samani Within Rapid7 Labs we continually track and monitor threat groups. This is one of our key areas of focus as we work to ensure that our ability to protect customers remains constant. As part of this process, we routinely identify evolving tactics from...

TikTok faces ban in US unless it parts ways with Chinese owner ByteDance

The House of Representatives has passed a bill that would effectively ban TikTok from the US unless Chinese owner ByteDance gives up its share of the immensely popular app. TikTok is an immensely popular social media platform that allows users to create, share, and discover, short video clips. It...

RedCurl Cybercrime Group Abuses Windows PCA Tool for Corporate Espionage

The Russian-speaking cybercrime group called RedCurl is leveraging a legitimate Microsoft Windows component called the Program Compatibility Assistant PCA to execute malicious commands. "The Program Compatibility Assistant Service pcalua.exe is a Windows service designed to identify and address...

South Korean Citizen Detained in Russia on Cyber Espionage Charges

Russia has detained a South Korean national for the first time on cyber espionage charges and transferred from Vladivostok to Moscow for further investigation. The development was first reported by Russian news agency TASS. "During the investigation of an espionage case, a South Korean citizen Ba...

The 3 most common post-compromise tactics on network infrastructure

Weve been discussing networking devices quite a lot recently and how Advanced Persistent Threat actors APTs are using highly sophisticated tactics to target aging infrastructure for espionage purposes. Some of these attacks are also likely prepositioning the APTs for future disruptive or...

Predator spyware vendor banned in US

The US Treasury Department has sanctioned Predator spyware vendor Intellexa Consortium, and banned the company from doing business in the US. Predator can turn infected smartphones into surveillance devices. Intellexa is based in Greece but the Treasury Department imposed the sanctions because of...

Over 225,000 Compromised ChatGPT Credentials Up for Sale on Dark Web Markets

More than 225,000 logs containing compromised OpenAI ChatGPT credentials were made available for sale on underground markets between January and October 2023, new findings from Group-IB show. These credentials were found within information stealer logs associated with LummaC2, Raccoon, and RedLin...

Iran-Linked UNC1549 Hackers Target Middle East Aerospace & Defense Sectors

An Iran-nexus threat actor known as UNC1549 has been attributed with medium confidence to a new set of attacks targeting aerospace, aviation, and defense industries in the Middle East, including Israel and the U.A.E. Other targets of the cyber espionage activity likely include Turkey, India, and...

China Surveillance Company Hacked

Last week, someone posted something like 570 files, images and chat logs from a Chinese company called I-Soon. I-Soon sells hacking and espionage services to Chinese national and local government. Lots of details in the news articles. These arent details about the tools or techniques, more the...

SVR Cyber Actors Adapt Tactics for Initial Cloud Access

How SVR-Attributed Actors are Adapting to the Move of Government and Corporations to Cloud Infrastructure OVERVIEW This advisory details recent tactics, techniques, and procedures TTPs of the group commonly known as APT29, also known as Midnight Blizzard, the Dukes, or Cozy Bear. The UK National...

New Leak Shows Business Side of China’s APT Menace

A new data leak that appears to have come from one of Chinas top private cybersecurity firms provides a rare glimpse into the commercial side of Chinas many state-sponsored hacking groups. Experts say the leak illustrates how Chinese government agencies increasingly are contracting out foreign...

North-Korean Cyber-Espionage Operations Grapples Defense Sector

Summary: There is an ongoing cyber-espionage campaign purportedly led by the North Korean threat actors, specifically targeting the global defense industry. The primary objective of these attacks is to acquire data pertaining to advanced military technology, with the intention of assisting North...

New Report Reveals North Korean Hackers Targeting Defense Firms Worldwide

North Korean state-sponsored threat actors have been attributed to a cyber espionage campaign targeting the defense sector across the world. In a joint advisory published by Germany's Federal Office for the Protection of the Constitution BfV and South Korea's National Intelligence Service NIS, th...

Russian-Linked Hackers Target 80+ Organizations via Roundcube Flaws

Threat actors operating with interests aligned to Belarus and Russia have been linked to a new cyber espionage campaign that likely exploited cross-site scripting XSS vulnerabilities in Roundcube webmail servers to target over 80 organizations. These entities are primarily located in Georgia,...

U.S. Government Disrupts Russia-Linked Botnet Engaged in Cyber Espionage

The U.S. government on Thursday said it disrupted a botnet comprising hundreds of small office and home office SOHO routers in the country that was put to use by the Russia-linked APT28 actor to conceal its malicious activities. "These crimes included vast spear-phishing and similar credential...

TinyTurla Next Generation - Turla APT spies on Polish NGOs

Cisco Talos has identified a new backdoor authored and operated by the Turla APT group, a Russian cyber espionage threat group. This new backdoor were calling "TinyTurla-NG" TTNG is similar to Turlas previously disclosed implant, TinyTurla, in coding style and functionality implementation. Talos...

The Zardoor Backdoor’s Silent Takeover of Saudi Charities

Summary: An espionage operation, designed to distribute a backdoor called Zardoor, was uncovered with evidence suggesting it dates back to March 2021. In May 2023, this meticulously orchestrated campaign specifically targeted non-profit organizations in Saudi Arabia. Threat Level - Amber | Attack...

Stealthy Zardoor Backdoor Targets Saudi Islamic Charity Organization

An unnamed Islamic non-profit organization in Saudi Arabia has been targeted as part of a stealthy cyber espionage campaign designed to drop a previously undocumented backdoor called Zardoor. Cisco Talos, which discovered the activity in May 2023, said the campaign has likely persisted since at...

Chinese Hackers Operate Undetected in U.S. Critical Infrastructure for Half a Decade

The U.S. government on Wednesday said the Chinese state-sponsored hacking group known as Volt Typhoon had been embedded into some critical infrastructure networks in the country for at least five years. Targets of the threat actor include communications, energy, transportation, and water and...