SANS Stormcast Sunday, August 03, 2025: Legacy Protocols; Sonicwall SSL VPN Possible 0-Day; (#)

SANS Internet Storm Center's Daily Network Security News Podcast

Content provided by Johannes B. Ullrich. All podcast content including episodes, graphics, and podcast descriptions are uploaded and provided directly by Johannes B. Ullrich or their podcast platform partner. If you believe someone is using your copyrighted work without your permission, you can follow the process outlined here https://podcastplayer.com/legal.

6d ago 5:18

MP3•Episode home

SANS Stormcast Sunday, August 03, 2025: Legacy Protocols; Sonicwall SSL VPN Possible 0-Day; Scans for pop3user with guessable password A particular IP assigned to a network that calls itself “Unmanaged” has been scanning telnet/ssh for a user called “pop3user” with passwords “pop3user” or “123456”. I assume they are looking for legacy systems that either currently run pop3 or ran pop3 in the past, and left the user enabled. https://isc.sans.edu/diary/Legacy%20May%20Kill/32166 Possible Sonicwall SSL VPN 0-Day Arcticwolf observed compromised Sonicwall SSL VPN devices used by the Akira group to install ransomware. These devices were fully patched, and credentials were recently rotated. https://arcticwolf.com/resources/blog/arctic-wolf-observes-july-2025-uptick-in-akira-ransomware-activity-targeting-sonicwall-ssl-vpn/ PAM Based Linux Backdoor For over a year, attackers have used a PAM-based Linux backdoor that so far has gotten little attention from anti-malware vendors. PAM-based backdoors can be stealthy, and this one in particular includes various anti-forensics tricks. https://www.nextron-systems.com/2025/08/01/plague-a-newly-discovered-pam-based-backdoor-for-linux/ keywords: pam; linux; backdoor; sonicwall; legacy

1000 episodes

#Business News #News #Tech News #Johannes B. Ullrich #Android #Apple #Daily #Firewall #Internet #Linux #Network #Security #Technology #Windows #Computer #IOS