Threats Tagged 'browser-data-theft'

Two malicious Python packages, sisaws and secmeasure, were discovered in the Python Package Index (PyPI) repository. These packages, created by the same author, deliver a Remote Access Trojan (RAT) called SilentSync. The RAT is capable of remote command execution, file exfiltration, screen capturing, and web browser data theft. It targets Windows systems and communicates with a command-and-control server using HTTP. The packages employ typosquatting and imitate legitimate modules to deceive users. SilentSync achieves persistence through platform-specific techniques and supports various commands for data exfiltration and system control. This discovery highlights the growing risk of supply chain attacks within public software repositories.

MediumMalwareGermanyFranceUnited Kingdom+5#data-exfiltration#supply-chain-attack#silentsync

Chihuahua Infostealer is a sophisticated .NET-based malware discovered in April 2025, targeting browser credentials and cryptocurrency wallet data. It employs multi-stage delivery through obfuscated PowerShell scripts, often using trusted platforms like Google Drive for initial distribution. The malware establishes persistence via scheduled tasks, performs hardware fingerprinting, and extensively harvests data from various browsers and crypto wallet extensions. It uses encryption for data exfiltration and employs cleanup routines to evade detection. The malware's origin is unclear, but Russian influences are suggested by embedded transliterated rap lyrics. Its advanced evasion techniques and targeted data theft capabilities make it a significant threat to personal and financial information.

MediumMalwareGermanyFranceNetherlands+4#crypto-wallet-theft#data-exfiltration#powershell