SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)

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Latest Episodes:

SANS Stormcast Wednesday, September 17th, 2025: Phishing Resistants; More npm Attacks; ChatGPT MCP abuse Sep 17, 2025

Show notes

Why You Need Phishing-Resistant Authentication NOW.
The recent compromise of a number of high-profile npmjs.com accounts has yet again shown how dangerous a simple phishing email can be.
https://isc.sans.edu/diary/Why%20You%20Need%20Phishing%20Resistant%20Authentication%20NOW./32290
S1ngularity/nx Attackers Strike Again
A second wave of attacks has hit over a hundred npm-related GitHub repositories. The updated payload implements a worm that propagates itself to other repositories.
https://www.aikido.dev/blog/s1ngularity-nx-attackers-strike-again
ChatGPT s Calendar Integration Can Be Exploited to Steal Emails
ChatGPT s new MCP integration can be used, via prompt injection, to affect software connected to ChatGPT via MCP.
https://www.linkedin.com/posts/eito-miyamura-157305121_we-got-chatgpt-to-leak-your-private-email-activity-7372306174253256704-xoX1/

SANS Stormcast Tuesday, September 16th, 2025: Apple Updates; Rust Phishing; Samsung 0-day Sep 16, 2025

Show notes

Apple Updates
Apple released major updates for all of its operating systems. In addition to new features, these updates patch 33 different vulnerabilities.
https://isc.sans.edu/diary/Apple%20Updates%20Everything%20-%20iOS%20macOS%2026%20Edition/32286
Microsoft End of Life
October 14th, support for Windows 10, Exchange 2016, and Exchange 2019 will end.
https://support.microsoft.com/en-us/windows/windows-10-support-ends-on-october-14-2025-2ca8b313-1946-43d3-b55c-2b95b107f281#:~:text=As%20a%20reminder%2C%20Windows%2010,one%20that%20supports%20Windows%2011.
https://techcommunity.microsoft.com/blog/exchange/t-9-months-exchange-server-2016-and-exchange-server-2019-end-of-support/4366605
Phishing Targeting Rust Developers
Rust developers are reporting similar phishing emails as the emails causing the major NPM compromise last week.
https://github.com/rust-lang/crates.io/discussions/11889#discussion-8886064
Samsung Patches 0-Day
Samsung released its monthly updates for its flagship phones fixing, among other vulnerability, an already exploited 0-day.
https://security.samsungmobile.com/securityUpdate.smsb

SANS Stormcast Monday, September 15th, 2025: More Archives; Salesforce Attacks; White Cobra; BSides Augusta Sep 15, 2025

Show notes

Web Searches For Archives
Didier observed additional file types being searched for as attackers continue to focus on archive files as they spider web pages
https://isc.sans.edu/diary/Web%20Searches%20For%20Archives/32282
FBI Flash Alert: Salesforce Attacks
The FBI is alerting users of Salesforce of two different threat actors targeting Salesforce. There are no new vulnerabilities disclosed, but the initial access usually takes advantage of social engineering or leaked data from the Salesdrift compromise.
https://www.ic3.gov/CSA/2025/250912.pdf
VSCode Cursor Extensions Malware
Koe Security unmasked details about a recent malicious cursor extension campaign they call White Cobra.
https://www.koi.security/blog/whitecobra-vscode-cursor-extensions-malware
BSides Augusta
https://bsidesaugusta.org/

SANS Stormcast Friday, September 12th, 2025: DShield SIEM Update; Another Sonicwall Warning; Website Keystroke Logging Sep 12, 2025

Show notes

DShield SIEM Docker Updates
Guy updated the DShield SIEM which graphically summarizes what is happening inside your honeypot.
https://isc.sans.edu/diary/DShield%20SIEM%20Docker%20Updates/32276
Again: Sonicwall SSL VPN Compromises
The Australian Government s Signals Directorate noted an increase in compromised Sonicwall devices.
https://www.cyber.gov.au/about-us/view-all-content/alerts-and-advisories/ongoing-active-exploitation-of-sonicwall-ssl-vpns-in-australia
Website Keystroke Logging
Many websites log every keystroke, not just data submitted in forms.
https://arxiv.org/pdf/2508.19825

SANS Stormcast Thursday, September 11th, 2025: BASE64 in DNS; Google Chrome, Ivantii and Sophos Patches; Apple Memory Integrity Feature Sep 11, 2025

Show notes

BASE64 Over DNS
The base64 character set exceeds what is allowable in DNS. However, some implementations will work even with these invalid characters.
https://isc.sans.edu/diary/BASE64%20Over%20DNS/32274
Google Chrome Update
Google released an update for Google Chrome, addressing two vulnerabilities. One of the vulnerabilities is rated critical and may allow code execution.
https://chromereleases.googleblog.com/2025/09/stable-channel-update-for-desktop_9.html
Ivanti Updates
Ivanti patched a number of vulnerabilities, several of them critical, across its product portfolio.
https://forums.ivanti.com/s/article/September-Security-Advisory-Ivanti-Connect-Secure-Policy-Secure-ZTA-Gateways-and-Neurons-for-Secure-Access-Multiple-CVEs
Sophos Patches
Sophos resolved authentication bypass vulnerability in Sophos AP6 series wireless access point firmware (CVE-2025-10159)
https://www.sophos.com/en-us/security-advisories/sophos-sa-20250909-ap6
Apple Introduces Memory Integrity Enforcement
With the new hardware promoted in yesterday s event, Apple also introduced new memory integrity features based on this new hardware.
https://security.apple.com/blog/memory-integrity-enforcement/

SANS Stormcast Wednesday, September 10th, 2025: Microsoft Patch Tuesday; Sep 10, 2025

Show notes

Microsoft Patch Tuesday
As part of its September patch Tuesday, Microsoft addressed 177 different vulnerabilities, 86 of which affect Microsoft products. None of the vulnerabilities has been exploited before today. Two of the vulnerabilities were already made public. Microsoft rates 13 of the vulnerabilities are critical.
https://isc.sans.edu/diary/Microsoft%20Patch%20Tuesday%20September%202025/32270
Adobe Patches
Adobe released patches for nine products, including Adobe Commerce, Coldfusion, and Acrobat.
https://helpx.adobe.com/security/security-bulletin.html
SAP Patches
SAP patched vulnerabilities across its product portfolio. Particularly interesting are a few critical vulnerabilities in Netweaver, one of which scored a perfect 10.0 CVSS score.
https://onapsis.com/blog/sap-security-notes-september-2025-patch-day/

SANS Stormcast Tuesday, September 9th, 2025: Major npm compromise; HTTP Request Signature Sep 09, 2025

Show notes

Major npm compromise
A number of high-profile npm libraries were compromised after developers fell for a phishing email. This compromise affected libraries with a total of hundreds of millions of downloads a week.
https://bsky.app/profile/bad-at-computer.bsky.social/post/3lydioq5swk2y https://github.com/orgs/community/discussions/172738 https://github.com/chalk/chalk/issues/656#issuecomment-3266894253
https://www.aikido.dev/blog/npm-debug-and-chalk-packages-compromised
HTTP Request Signatures
It looks like some search engines and AI bots are starting to use the HTTP request signature. This should make it easier to identify bot traffic.
https://isc.sans.edu/diary/HTTP%20Request%20Signatures/32266

SANS Stormcast Monday, September 8th, 2025: YARA to Debugger Offsets; SVG JavaScript Phishing; FreePBX Patches; Sep 08, 2025

Show notes

From YARA Offsets to Virtual Addresses
Xavier explains how to convert offsets reported by YARA into offsets suitable for the use with debuggers.
https://isc.sans.edu/diary/From%20YARA%20Offsets%20to%20Virtual%20Addresses/32262
Phishing via JavaScript in SVG Files
Virustotal uncovered a Colombian phishing campaign that takes advantage of JavaScript in SVG files.
https://blog.virustotal.com/2025/09/uncovering-colombian-malware-campaign.html
FreePBX Patches
FreePBX released details regarding two vulnerabilities patched last week. One of these vulnerabilities was already actively exploited.
https://github.com/FreePBX/security-reporting/security/advisories/GHSA-3r47-p39v-vqqf

SANS Stormcast Friday, September 5th, 2025: Cloudflare Response to 1.1.1.1 Certificate; AI Modem Namespace Reuse; macOS Vulnerability Allowed Keychain Decryption Sep 05, 2025

Show notes

Unauthorized Issuance of Certificate for 1.1.1.1
Cloudflare published a blog post with more details regarding the bad 1.1.1.1 certificate that was issued by Fina.
https://blog.cloudflare.com/unauthorized-issuance-of-certificates-for-1-1-1-1/
AI Model Namespace Reuse
Deleted accounts on Huggingface can be taken over by other entities unrelated to the original owner.
https://unit42.paloaltonetworks.com/model-namespace-reuse/
macOS vulnerability allowed Keychain and iOS app decryption without a password
Excessive entitlements for the gcore binary facilitated access to key material that was sufficient to access secrets stored in Apple s keychain.
https://www.helpnetsecurity.com/2025/09/04/macos-gcore-vulnerability-cve-2025-24204/

SANS Stormcast Thursday, September 4th, 2025: Dassault DELMIA Apriso Exploit Attempts; Android Updates; 1.1.1.1 Certificate Issued Sep 04, 2025

Show notes

Exploit Attempts for Dassault DELMIA Apriso. CVE-2025-5086
Our honeypots detected attacks against the manufacturing management system DELMIA Apriso. The deserialization vulnerability was patched in June and is one of a few critical vulnerabilities patched in recent months.
https://isc.sans.edu/diary/Exploit%20Attempts%20for%20Dassault%20DELMIA%20Apriso.%20CVE-2025-5086/32256
Android Bulletin
Google released its September update, fixing two already-exploited privilege escalation flaws and some remote code execution issues.
https://source.android.com/docs/security/bulletin/2025-09-01
Mis-issued Certificates for SAN iPAddress:1.1.1.1 by Fina RDC 2020
Certificate authority Fina RDC issues a certificate for Cloudflare s IP address 1.1.1.1
https://groups.google.com/a/mozilla.org/g/dev-security-policy/c/SgwC1QsEpvc

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