Chihuahua Stealer and the New Cybercrime Frontier: Inside the Silent War for Your Data

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  The Chihuahua Stealer is a newly discovered .NET-based infostealer that blends common malware techniques with unusually advanced features. It first came to attention through a Reddit post on April 9, where a user shared an obfuscated PowerShell script they were tricked into executing via a Google Drive document. The script uses multi-stage payloads, achieving persistence through scheduled tasks and leading to the execution of the primary stealer payload. This malware targets browser data and crypto wallet extensions, compresses stolen data into an archive with the file extension “.chihuahua,” encrypts it using AES-GCM via Windows CNG APIs, and exfiltrates it over HTTPS, wiping all local traces to demonstrate its stealth techniques. Infostealer malware is one of the most underrated corporate and consumer information security threats today. These sophisticated remote access Trojans (RATs) silently infect computers and systematically exfiltrate massive amounts of sensitive informa...

Berkeley Research Group Data Breach Exposes Sensitive Information

 



The recent cyberattack on Berkeley Research Group (BRG) has exposed sensitive data related to Catholic Church bankruptcy filings, potentially compromising information on sexual abuse victims. The breach occurred when a hacker posed as IT staff on Microsoft Teams, deploying Chaos ransomware. BRG paid a ransom and received a "destruction log," but the U.S. Justice Department has raised concerns about delays in public notification and potential conflicts of interest.

This incident underscores the need for robust cybersecurity measures and transparent communication, especially when handling sensitive information. It also highlights the importance of holding organizations accountable for protecting data privacy.

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