Analyzing Malware Obfuscation and Evolving Cyber Threats

Katz Stealer in JPG
Xavier found some multistage malware that uses an Excel Spreadsheet and an HTA file to load an image that includes embeded a copy of Katz stealer.
https://isc.sans.edu/diary/More+Steganography/32044
https://unit42.paloaltonetworks.com/malicious-javascript-using-jsfiretruck-as-obfuscation/
JavaScript obfuscated with JSF*CK is being used on over 200,000 websites to direct victims to malware
Expired Discord Invite Links Used for Malware Distribution
Expired discord invite links are revived as vanity links to direct victims to malware sites
https://research.checkpoint.com/2025/from-trust-to-threat-hijacked-discord-invites-used-for-multi-stage-malware-delivery/