SANS Stormcast Monday, May 11th: Steganography Challenge; End-of-Life Routers; ASUS Driverhub; RV-Tools SEO Poisoning
Update: 2025-05-12
Description
Steganography Challenge
Didier revealed the solution to last weekend s cryptography challenge. The image used the same encoding scheme as Didier described before, but the columns and rows were transposed.
https://isc.sans.edu/forums/diary/Steganography%20Challenge%3A%20My%20Solution/31912/
FBI Warns of End-of-life routers
The FBI is tracking larger botnets taking advantage of unpatched routers. Many of these routers are end-of-life, and no patches are available for the exploited vulnerabilities. The attackers are turning the devices into proxies, which are resold for various criminal activities.
https://www.ic3.gov/PSA/2025/PSA250507
ASUS Driverhub Vulnerability
ASUS Driverhub software does not properly check the origin of HTTP requests, allowing a CSRF attack from any website leading to arbitrary code execution.
https://mrbruh.com/asusdriverhub/
RV-Tools SEO Poisoning
Varonis Threat Labs observed SEO poisoning being used to trick system administrators into installing a malicious version of RV Tools. The malicious version includes a remote access tool leading to the theft of credentials
https://www.varonis.com/blog/seo-poisoning#initial-access-and-persistence
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