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Tag: variant

New macOS infostealer impersonates Apple, Microsoft, and Google in a single attack chain

A SHub macOS infostealer variant called Reaper impersonates Apple, Microsoft, and Google to trick users into executing malicious code, then targets browser data, password managers, and cryptocurrency wallets while establishing persistence for continued access, SentinelOne found. ClickFix gives way to a new delivery method Consistent with earlier SHub versions, Reaper uses a multi-stage execution chain.…

OpenAI tunes GPT-5.5-Cyber for more permissive security workflows

OpenAI is rolling out GPT-5.5-Cyber, a variant of its latest AI model, in limited preview for verified cybersecurity professionals and organizations through its Trusted Access for Cyber program. Trusted Access for Cyber is OpenAI’s identity and trust-based access framework for cybersecurity users, designed to give verified defenders broader access to GPT-5.5’s cybersecurity capabilities for defensive…

Mustang Panda’s New LOTUSLITE Variant Targets India Banks, South Korea Policy Circles

Cybersecurity researchers have discovered a new variant of a known malware called LOTUSLITE that’s distributed via a theme related to India’s banking sector. “The backdoor communicates with a dynamic DNS-based command-and-control server over HTTPS and supports remote shell access, file operations, and session management, indicating a continued espionage-focused capability set rather than

Nexcorium Mirai variant exploits TBK DVR flaw to launch DDoS attacks

A Mirai variant called Nexcorium exploits a flaw in TBK DVRs to infect devices and use them in DDoS attacks, along with outdated TP-Link routers. Fortinet researchers found that threat actors are exploiting vulnerabilities in TBK DVRs and end-of-life TP-Link routers to spread a Mirai variant called Nexcorium. “IoT devices are increasingly prime targets for…

OpenAI Launches GPT-5.4-Cyber with Expanded Access for Security Teams

OpenAI on Tuesday unveiled GPT-5.4-Cyber, a variant of its latest flagship model, GPT‑5.4, that’s specifically optimized for defensive cybersecurity use cases, days after rival Anthropic unveiled its own frontier model, Mythos. “The progressive use of AI accelerates defenders – those responsible for keeping systems, data, and users safe – enabling them to find and fix problems

Microsoft alerts on DNS-based ClickFix variant delivering malware via nslookup

Microsoft warns of a new ClickFix variant that tricks users into running DNS commands to fetch malware via nslookup. Microsoft has revealed a new ClickFix variant that deceives users into running a malicious nslookup command through the Windows Run dialog to retrieve a second-stage payload via DNS. ClickFix typically uses fake CAPTCHA or error messages…