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Security Blog

TrendAI Security Blog

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Exploits & Zero-Days
CVE-2025-55182: React2Shell Analysis, Proof-of-Concept Chaos, and In-the-Wild Exploitation

CVE-2025-55182 is a CVSS 10.0 pre-authentication RCE affecting React Server Components. Amid the flood of fake proof-of-concept exploits, scanners, exploits, and widespread misconceptions, this technical analysis intends to cut through the noise.

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Cloud security
Shai-hulud 2.0 Campaign Targets Cloud and Developer Ecosystems

Shai-hulud 2.0 campaign features a sophisticated variant capable of stealing credentials and secrets from major cloud platforms and developer services, while automating the backdooring of NPM packages maintained by victims. Its advanced tactics enable rapid, stealthy propagation across the software supply chain, putting countless downstream users at risk.

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LLMs
When Tokenizers Drift: Hidden Costs and Security Risks in LLM Deployments

A tokenizer lies at the core of every large language model. When it drifts, whether from unseen flaws or adversarial interference, costs rise and performance drops. We explore this emerging risk, its implications, and the measures to prevent it.

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Malware Phishing & BEC
Self-Propagating Malware Spreading Via WhatsApp, Targets Brazilian Users

TrendAI™ Research has identified an active campaign spreading via WhatsApp through a ZIP file attachment. When executed, the malware establishes persistence and hijacks the compromised WhatsApp account to send copies of itself to the victim’s contacts.

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Ransomware & extortion
New LockBit 5.0 Targets Windows, Linux, ESXi

TrendAI™ Research analyzed source binaries from the latest activity from notorious LockBit ransomware with their 5.0 version that exhibits advanced obfuscation, anti-analysis techniques, and seamless cross-platform capabilities for Windows, Linux, and ESXi systems.

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Cyber crime
What We Know About the NPM Supply Chain Attack

TrendAI™ Research outlines the critical details behind the ongoing NPM supply chain attack and offers essential steps to stay protected against potential compromise.

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AI
EvilAI Operators Use AI-Generated Code and Fake Apps for Far-Reaching Attacks

Combining AI-generated code and social engineering, EvilAI operators are executing a rapidly expanding campaign, disguising their malware as legitimate applications to bypass security, steal credentials, and persistently compromise organizations worldwide.

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Ransomware & extortion
Unmasking The Gentlemen Ransomware: Tactics, Techniques, and Procedures Revealed

An analysis of the Gentlemen ransomware group, which employs advanced, adaptive tactics, techniques, and procedure to target critical industries worldwide.

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Cyber threats
#NoFilter: Exposing the Tactics of Instagram Account Hackers

What tactics do Instagram account hackers use? What do these cybercriminals do with stolen accounts? How can users protect their accounts? We look into Instagram account hacking incidents from a security researcher’s perspective and share recommendations for users of Instagram and other social media platforms.

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Malware
Bashlite Updated with Mining and Backdoor Commands

We uncovered an updated Bashlite malware designed to add infected internet-of-things devices to a distributed-denial-of-service (DDoS) botnet. Based on the Metasploit module it exploits, the malware targets devices with the WeMo UPnP API.

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