CISA Reports PRC Hackers Using BRICKSTORM for Long-Term Access in U.S. Systems

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Thursday released details of a backdoor named BRICKSTORM that has been put to use by state-sponsored threat actors from the People's Republic of China PRC to maintain long-term persistence on compromised systems. "BRICKSTORM is a...

Chinese Hackers Weaponize Open-Source Nezha Tool in New Attack Wave

Threat actors with suspected ties to China have turned a legitimate open-source monitoring tool called Nezha into an attack weapon, using it to deliver a known malware called Gh0st RAT to targets. The activity, observed by cybersecurity company Huntress in August 2025, is characterized by the use...

OpenAI Disrupts Russian, North Korean, and Chinese Hackers Misusing ChatGPT for Cyberattacks

OpenAI on Tuesday said it disrupted three activity clusters for misusing its ChatGPT artificial intelligence AI tool to facilitate malware development. This includes a Russian‑language threat actor, who is said to have used the chatbot to help develop and refine a remote access trojan RAT, a...

ChestyBot: Detecting and Disrupting Chinese Communist Party Influence Stratagems

Foreign information operations conducted by Russian and Chinese actors exploit the United States' permissive information environment. These campaigns threaten democratic institutions and the broader Westphalian model. Yet, existing detection and mitigation strategies often fail to identify active...

CISA and Partners Release Cybersecurity Advisory Guidance detailing PRC state-sponsored actors evading detection by “Living off the Land”

Today, CISA joined the National Security Agency NSA, the Federal Bureau of Investigation FBI, and international partners in releasing a joint cybersecurity advisory highlighting recently discovered activities conducted by a People’s Republic of China PRC state-sponsored cyber threat actor. This...

Evasion Techniques Uncovered: An Analysis of APT Methods

By Christiaan Beek, with special thanks to Matt Green DLL search order hijacking is a technique used by attackers to elevate privileges on the compromised system, evade restrictions, and/or establish persistence on the system. The Windows operating system uses a common method to look for required...

Researchers Unveil New Linux Malware Linked to Chinese Hackers

Cybersecurity researchers on Wednesday shed light on a new sophisticated backdoor targeting Linux endpoints and servers that's believed to be the work of Chinese nation-state actors. Dubbed "RedXOR" by Intezer, the backdoor masquerades as a polkit daemon, with similarities found between the malwa...

Suspected Chinese Cyber Espionage Group (TEMP.Periscope) Targeting U.S. Engineering and Maritime Industries

Intrusions Focus on the Engineering and Maritime Sector Since early 2018, FireEye including our FireEye as a Service FaaS, Mandiant Consulting, and iSIGHT Intelligence teams has been tracking an ongoing wave of intrusions targeting engineering and maritime entities, especially those connected to...