DiscoverSANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)SANS Stormcast Monday, June 16th, 2025: Katz Stealer in JPG; JavaScript Attacks; Reviving expired Discord Invites for Evil
SANS Stormcast Monday, June 16th, 2025: Katz Stealer in JPG; JavaScript Attacks; Reviving expired Discord Invites for Evil

SANS Stormcast Monday, June 16th, 2025: Katz Stealer in JPG; JavaScript Attacks; Reviving expired Discord Invites for Evil

Update: 2025-06-16
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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/
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SANS Stormcast Monday, June 16th, 2025: Katz Stealer in JPG; JavaScript Attacks; Reviving expired Discord Invites for Evil

SANS Stormcast Monday, June 16th, 2025: Katz Stealer in JPG; JavaScript Attacks; Reviving expired Discord Invites for Evil

Dr. Johannes B. Ullrich