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DeepSeek AI Agent Weaponised in Proxyjacking Attack on Security Firm

DeepSeek AI Agent Weaponised in Proxyjacking Attack on Security Firm

ATLAS OWASP CRITICAL Active exploitation · Immediate action required ▲ 8.5 Dark Reading

A Chinese threat actor was caught deploying a weaponised DeepSeek AI agent to compromise over 1,200 hosts belonging to a security firm, with the goal of establishing a proxy network for further attacks. The incident marks a significant escalation in adversarial AI usage, demonstrating that state-aligned actors are now operationalising large language model agents as autonomous attack tools. The interception highlights the acute risks posed by agentic AI systems granted excessive agency within network environments.

Threat Actor Trim Weaponises AI Jailbreaks for Offensive Ops

Threat Actor Trim Weaponises AI Jailbreaks for Offensive Ops

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 8.5 Dark Reading

A Russian-speaking threat actor known as 'Trim' has reportedly operationalised frontier AI model jailbreaks, integrating them with offensive security tooling to create an attack platform. This marks a significant escalation from opportunistic jailbreaking to deliberate, weaponised misuse of large language models in adversarial operations. The development signals a maturing threat landscape where AI safety bypasses are no longer merely a research curiosity but a functional component of offensive cyber capability.

GreyVibe Deploys ChatGPT and Gemini in LLM Attack Chain

GreyVibe Deploys ChatGPT and Gemini in LLM Attack Chain

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 7.5 SecurityWeek

WithSecure has documented GreyVibe, a Russia-nexus threat actor systematically deploying ChatGPT, Google Gemini, and Ideogram AI across every phase of its attack chain — from phishing lure creation to custom malware development — against Ukrainian targets since August 2025. The group's LLM-assisted malware, LegionRelay, contained design flaws introduced during AI-generated development, which paradoxically allowed researchers to track the group over an extended period. The case illustrates both the operational leverage AI provides to moderately skilled threat actors and the novel forensic signatures that AI-assisted development can inadvertently introduce.

GreyVibe Uses ChatGPT and Gemini for Ukraine Cyberespionage

GreyVibe Uses ChatGPT and Gemini for Ukraine Cyberespionage

ATLAS OWASP HIGH Significant risk · Prioritise patching ▲ 7.5 BleepingComputer

A likely Russian threat group dubbed GreyVibe has been actively using commercial LLMs — including ChatGPT and Google Gemini — to generate high-quality phishing lures, malware tooling, and social-engineering content targeting Ukrainian military, government, and civilian organisations. WithSecure researchers identified LLM artefact markers embedded in campaign imagery, confirming AI-assisted content generation at scale. The case represents a concrete, documented example of adversarial LLM weaponisation in an active nation-state-adjacent cyberespionage campaign.

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