Persistent Backdoor Attacks under Continual Fine-Tuning of LLMs

Backdoor attacks embed malicious behaviors into Large Language Models LLMs, enabling adversaries to trigger harmful outputs or bypass safety controls. However, the persistence of the implanted backdoors under user-driven post-deployment continual fine-tuning has been rarely examined. Most prior...

Malicious Visual Studio Code Extensions Hide Trojan in Fake PNG Files

VS Code developers beware: ReversingLabs found 19 malicious extensions hiding trojans inside a popular dependency, disguising the final malware payload as a standard PNG image file...

ChrimeraWire Trojan Fakes Chrome Activity to Manipulate Search Rankings

ChrimeraWire is a new Windows trojan that automates web browsing through Chrome to simulate user activity and manipulate search engine rankings...

New JS#SMUGGLER Campaign Drops NetSupport RAT Through Infected Sites

Securonix Threat Research details the complex JSSMUGGLER campaign, a three-step web attack using obfuscated JavaScript and hidden HTA files to install the NetSupport RAT on user Windows desktops, granting hackers full remote control and persistent access...

Experts Confirm JS#SMUGGLER Uses Compromised Sites to Deploy NetSupport RAT

Cybersecurity researchers are calling attention to a new campaign dubbed JSSMUGGLER that has been observed leveraging compromised websites as a distribution vector for a remote access trojan named NetSupport RAT. The attack chain, analyzed by Securonix, involves three main moving parts: An...

Malicious code in rendom (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 1effe6d94e0635864c22ea960a22b40294c3f2e510550046139bcd78f62a33fa The package contains a Telegram bot to perform remote control of the computer. The package name additionally suggests typosquatting against standard random...

Silver Fox Uses Fake Microsoft Teams Installer to Spread ValleyRAT Malware in China

The threat actor known as Silver Fox has been spotted orchestrating a false flag operation to mimic a Russian threat group in attacks targeting organizations in China. The search engine optimization SEO poisoning campaign leverages Microsoft Teams lures to trick unsuspecting users into downloadin...

Brazil Hit by Banking Trojan Spread via WhatsApp Worm and RelayNFC NFC Relay Fraud

The threat actor known as Water Saci is actively evolving its tactics, switching to a sophisticated, highly layered infection chain that uses HTML Application HTA files and PDFs to propagate via WhatsApp a worm that deploys a banking trojan in attacks targeting users in Brazil. The latest wave is...

New Android malware lets criminals control your phone and drain your bank account

Albiriox is a new family of Android banking malware that gives attackers live remote control over infected phones, letting them quietly drain bank and crypto accounts during real sessions. Researchers have analyzed a new Android malware family called Albiriox which is showing signs of developing...

CacheTrap: Injecting Trojans in LLMs without Leaving Any Traces in Inputs or Weights

Adversarial weight perturbation has emerged as a concerning threat to LLMs that either use training privileges or system-level access to inject adversarial corruption in model weights. With the emergence of innovative defensive solutions that place system- and algorithm-level checks and correctio...

Malicious code in tablates (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security 56df7571e75ad7e85850f9a34bb482f19466af4481db56951ffba42475a4238d This package is malicious and typosquating the legitimate pyspellchecker library. This package will deploy a remote-access trojan that...

MAL-2025-191534 Malicious code in tablates (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security 56df7571e75ad7e85850f9a34bb482f19466af4481db56951ffba42475a4238d This package is malicious and typosquating the legitimate pyspellchecker library. This package will deploy a remote-access trojan that...

MAL-2025-191535 Malicious code in tableate (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security 762292d92c617c287b3c6b54f7c4a8b8630e7dd893b40dd05bade462fec7ca26 This package is malicious and typosquating the legitimate pyspellchecker library. This package will deploy a remote-access trojan that...

Malicious code in tableate (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: google-open-source-security 762292d92c617c287b3c6b54f7c4a8b8630e7dd893b40dd05bade462fec7ca26 This package is malicious and typosquating the legitimate pyspellchecker library. This package will deploy a remote-access trojan that...

CISA Warns of Active Spyware Campaigns Hijacking High-Value Signal and WhatsApp Users

The U.S. Cybersecurity and Infrastructure Security Agency CISA on Monday issued an alert warning of bad actors actively leveraging commercial spyware and remote access trojans RATs to target users of mobile messaging applications. "These cyber actors use sophisticated targeting and social...

New Sturnus Android Malware Reads WhatsApp, Telegram, Signal Chats via Accessibility Abuse

Sturnus, an advanced Android banking trojan, has been discovered by ThreatFabric. Learn how this malware bypasses end-to-end encryption on Signal and WhatsApp, steals bank credentials using fake screens, and executes fraudulent transactions...

New Eternidade Stealer Uses WhatsApp to Steal Banking Data

Trustwave SpiderLabs warns of Eternidade Stealer, a new banking trojan spreading via personalised WhatsApp messages. Find out how this malicious software bypasses security checks and deploys fake login screens for major banks and wallets...

Malicious code in siitoogether (PyPI)

--- -= Per source details. Do not edit below this line.=- Source: kam193 6fccd687f1acb55e6da0782b08ef14b3e8be5587dee4743a163a106c48390a50 Importing the module starts an RAT-like process capable of execute remote commands, with the C2 through Discord --- Category: MALICIOUS - The campaign has...

New Sturnus Android Trojan Quietly Captures Encrypted Chats and Hijacks Devices

Cybersecurity researchers have disclosed details of a new Android banking trojan called Sturnus that enables credential theft and full device takeover to conduct financial fraud. "A key differentiator is its ability to bypass encrypted messaging," ThreatFabric said in a report shared with The...

Python-Based WhatsApp Worm Spreads Eternidade Stealer Across Brazilian Devices

Cybersecurity researchers have disclosed details of a new campaign that leverages a combination of social engineering and WhatsApp hijacking to distribute a Delphi-based banking trojan named Eternidade Stealer as part of attacks targeting users in Brazil. "It uses Internet Message Access Protocol...