Talk With an Expert

Internet Storm Center Tech Corner

SANS Internet Storm Center StormCast Tuesday, April 8, 2025

XORsearch: Searching With Regexes; MCP Security Notification: Tool Poisoning Attacks; Making :visited more private

https://isc.sans.edu/podcastdetail/9398

XORsearch: Searching With Regexes

Didier explains a workaround to use his tool XORsearch to search for regular expressions instead of simple strings.

https://isc.sans.edu/diary/XORsearch+Searching+With+Regexes/31834

MCP Security Notification: Tool Poisoning Attacks

Invariant labs summarized a critical weakness in the Model Context Protocol (MCP) that allows for "Tool Poisoning Attacks." Many major providers such as Anthropic and OpenAI, workflow automation systems like Zapier, and MCP clients like Cursor are susceptible to this attack

https://invariantlabs.ai/blog/mcp-security-notification-tool-poisoning-attacks

Making :visited more private

Google Chrome changed how links are marked as ÒvisitedÓ. This new ÒpartitioningÓ scheme was introduced to improve privacy. Instead of marking a link as ÒvisitedÓ on any page where it is displayed, it is only marked as visited if the user clicks on the link while visiting the particular site where the link is displayed.

https://developer.chrome.com/blog/visited-links

SANS Internet Storm Center StormCast Monday, April 7, 2025

New Username Report; QuickShell Vulnerability; Apache Traffic Director Request Smuggling

https://isc.sans.edu/podcastdetail/9396

New SSH Username Report

A new ssh/telnet username reports makes it easier to identify new usernames attackers are using against our telnet and ssh honeypots

https://isc.sans.edu/diary/New_SSH_Username_Report/31830

QuickShell Sharing is Caring: About an RCE Attack Chain on Quick Share

The Google Quick Share protocol is susceptible to several vulnerabilities that have not yet been fully patched, allowing for some file overwrite issues that could lead to the accidental execution of malicious code.

https://www.blackhat.com/asia-25/briefings/schedule/index.html#quickshell-sharing-is-caring-about-an-rce-attack-chain-on-quick-share-43874

Apache Traffic Director Request Smuggling Vulnerability

https://www.openwall.com/lists/oss-security/2025/04/02/4

View Older Issues

Catch up on recent editions of NewsBites or browse our full archive of expert-curated cybersecurity news.

Browse Archive