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SANS Internet Storm Center, InfoCON: green

From a VHDX File to a Remcos RAT - SANS Internet Storm Center ISC Stormcast For Tuesday, June 16th, 2026 https://isc.sans.edu/podcastdetail/9974 Evil MSI Background: BASE64 Statistical Analysis - SANS ISC ISC Stormcast For Monday, June 15th, 2026 https://isc.sans.edu/podcastdetail/9972 ISC Stormcast For Friday, June 12th, 2026 https://isc.sans.edu/podcastdetail/9970 ISC Stormcast For Thursday, June 11th, 2026 https://isc.sans.edu/podcastdetail/9968 How has use of framing protection security headers changed in the past 3 years? ISC Stormcast For Wednesday, June 10th, 2026 https://isc.sans.edu/podcastdetail/9966 Microsoft June 2026 Patch Tuesday - SANS Internet Storm Center ISC Stormcast For Tuesday, June 9th, 2026 https://isc.sans.edu/podcastdetail/9964 TeamPCP Supply Chain Campaign: Activity Through 2026-06-07 ISC Stormcast For Monday, June 8th, 2026 https://isc.sans.edu/podcastdetail/9962 The Evil MSI Background is Back! - SANS Internet Storm Center ISC Stormcast For Friday, June 5th, 2026 https://isc.sans.edu/podcastdetail/9960 Microsoft's Coreutils for Windows - SANS Internet Storm Center ISC Stormcast For Thursday, June 4th, 2026 https://isc.sans.edu/podcastdetail/9958 Continuing Scans for swagger.json - SANS Internet Storm Center ISC Stormcast For Wednesday, June 3rd, 2026 https://isc.sans.edu/podcastdetail/9956 New Wave Of Phishing Emails with SVG Files - SANS ISC ISC Stormcast For Tuesday, June 2nd, 2026 https://isc.sans.edu/podcastdetail/9954 ISC Stormcast For Monday, June 1st, 2026 https://isc.sans.edu/podcastdetail/9952 Unidentified RAT pushes NetSupport RAT - SANS ISC YARA-X 1.17.0 Release - SANS Internet Storm Center ISC Stormcast For Friday, May 29th, 2026 https://isc.sans.edu/podcastdetail/9950 Analysis of a Year of Files Uploaded to DShield Sensors ISC Stormcast For Thursday, May 28th, 2026 https://isc.sans.edu/podcastdetail/9948 Reconstructing an Akira Ransomware Kill Chain from Perimeter and Endpoint Logs ISC Stormcast For Wednesday, May 27th, 2026 https://isc.sans.edu/podcastdetail/9946 ISC Stormcast For Tuesday, May 26th, 2026 https://isc.sans.edu/podcastdetail/9944 Possible ACR Stealer From Page Impersonating Claude Microsoft Access VBA - SANS Internet Storm Center Wireshark 4.6.6 Released - SANS Internet Storm Center An Example of Stack String in High Level Language - SANS ISC Cross-Platform NPM Stealer - SANS Internet Storm Center ISC Stormcast For Friday, May 22nd, 2026 https://isc.sans.edu/podcastdetail/9942 Selective HTTP Proxying in Linux - SANS Internet Storm Center ISC Stormcast For Thursday, May 21st, 2026 https://isc.sans.edu/podcastdetail/9940 ISC Stormcast For Wednesday, May 20th, 2026 https://isc.sans.edu/podcastdetail/9938 ISC Stormcast For Tuesday, May 19th, 2026 https://isc.sans.edu/podcastdetail/9936 TeamPCP Supply Chain Campaign: Activity Through 2026-05-17 [Guest Diary] New Malware Libraries means New Signatures ISC Stormcast For Friday, May 15th, 2026 https://isc.sans.edu/podcastdetail/9934 Simple bypass of the link preview function in Outlook Junk folder ISC Stormcast For Thursday, May 14th, 2026 https://isc.sans.edu/podcastdetail/9932 [GUEST DIARY] Tearing apart website fraud to see how it works. ISC Stormcast For Wednesday, May 13th, 2026 https://isc.sans.edu/podcastdetail/9930 Proxying the Unproxyable? Sending EXE traffic to a Proxy Microsoft May 2026 Patch Tuesday - SANS Internet Storm Center ISC Stormcast For Tuesday, May 12th, 2026 https://isc.sans.edu/podcastdetail/9928 Apple Patches Everything - SANS Internet Storm Center Why we use CAPTCHAs - SANS Internet Storm Center ISC Stormcast For Monday, May 11th, 2026 https://isc.sans.edu/podcastdetail/9926 YARA-X 1.16.0 Release - SANS Internet Storm Center Another Universal Linux Local Privilege Escalation (LPE) Vulnerability: Dirty Frag ISC Stormcast For Friday, May 8th, 2026 https://isc.sans.edu/podcastdetail/9924 ISC Stormcast For Wednesday, May 6th, 2026 https://isc.sans.edu/podcastdetail/9920 Cleartext Passwords in MS Edge? In 2026? - SANS ISC SSL.com rotates their root certificate today - SANS ISC ISC Stormcast For Tuesday, May 5th, 2026 https://isc.sans.edu/podcastdetail/9918 TeamPCP Weekly Analysis: 2026-W18 (2026-04-27 through 2026-05-03) ISC Stormcast For Monday, May 4th, 2026 https://isc.sans.edu/podcastdetail/9916 Wireshark 4.6.5 Released - SANS Internet Storm Center Malicious Ad for Homebrew Leads to MacSync Stealer ISC Stormcast For Friday, May 1st, 2026 https://isc.sans.edu/podcastdetail/9914 ISC Stormcast For Thursday, April 30th, 2026 https://isc.sans.edu/podcastdetail/9912 Danger of Libredtail [Guest Diary] - SANS Internet Storm Center Today's Odd Web Requests - SANS Internet Storm Center ISC Stormcast For Wednesday, April 29th, 2026 https://isc.sans.edu/podcastdetail/9910 HTTP Requests with X-Vercel-Set-Bypass-Cookie Header ISC Stormcast For Tuesday, April 28th, 2026 https://isc.sans.edu/podcastdetail/9908 TeamPCP Supply Chain Campaign: Update 008 - 26-Day Pause Ends with Three Concurrent Compromises (Checkmarx KICS, Bitwarden CLI Cascade, xinference PyPI), CanisterSprawl npm Worm Identified, and Tier 1 Coverage Returns ISC Stormcast For Friday, April 24th, 2026 https://isc.sans.edu/podcastdetail/9906 Apple Patches Exploited Notification Flaw - SANS ISC ISC Stormcast For Thursday, April 23rd, 2026 https://isc.sans.edu/podcastdetail/9904 ISC Stormcast For Wednesday, April 22nd, 2026 https://isc.sans.edu/podcastdetail/9902 [Guest Diary] Beyond Cryptojacking: Telegram tdata as a Credential Harvesting Vector, Lessons from a Honeypot Incident, (Wed, Apr 22nd) A .WAV With A Payload - SANS Internet Storm Center ISC Stormcast For Tuesday, April 21st, 2026 https://isc.sans.edu/podcastdetail/9900 Handling the CVE Flood With EPSS - SANS Internet Storm Center ISC Stormcast For Monday, April 20th, 2026 https://isc.sans.edu/podcastdetail/9898 ISC Stormcast For Friday, April 17th, 2026 https://isc.sans.edu/podcastdetail/9896 Lumma Stealer infection with Sectop RAT (ArechClient2) ISC Stormcast For Thursday, April 16th, 2026 https://isc.sans.edu/podcastdetail/9894 [Guest Diary] Compromised DVRs and Finding Them in the Wild ISC Stormcast For Wednesday, April 15th, 2026 https://isc.sans.edu/podcastdetail/9892 Scanning for AI Models - SANS Internet Storm Center Microsoft Patch Tuesday April 2026. - SANS ISC ISC Stormcast For Tuesday, April 14th, 2026 https://isc.sans.edu/podcastdetail/9890 Scans for EncystPHP Webshell - SANS Internet Storm Center ISC Stormcast For Monday, April 13th, 2026 https://isc.sans.edu/podcastdetail/9888 Obfuscated JavaScript or Nothing - SANS Internet Storm Center ISC Stormcast For Thursday, April 9th, 2026 https://isc.sans.edu/podcastdetail/9886 Number Usage in Passwords: Take Two - SANS ISC TeamPCP Supply Chain Campaign: Update 007 - Cisco Source Code Stolen via Trivy-Linked Breach, Google GTIG Tracks TeamPCP as UNC6780, and CISA KEV Deadline Arrives with No Standalone Advisory More Honeypot Fingerprinting Scans - SANS Internet Storm Center ISC Stormcast For Wednesday, April 8th, 2026 https://isc.sans.edu/podcastdetail/9884 A Little Bit Pivoting: What Web Shells are Attackers Looking for? ISC Stormcast For Tuesday, April 7th, 2026 https://isc.sans.edu/podcastdetail/9882 How often are redirects used in phishing in 2026? - SANS ISC ISC Stormcast For Monday, April 6th, 2026 https://isc.sans.edu/podcastdetail/9880
DShield Honeypot Update - SANS Internet Storm Center
2026-05-04 · via SANS Internet Storm Center, InfoCON: green

This week, I will release a few updates to our DShield honeypot. The update should happen automatically if you have "automatic updates" enabled on your system. There will be two major changes:

Compatibility with Ubuntu 26.04 / new versions of Raspberry Pi OS

Ubuntu released version 26.04 LTS about a week ago. It will pretty much work already, but I made some adjustments if you are using the "minimum server install". 24.04 will continue to be supported. There have been some issues with 26.04, particularly with some tools that were converted to Rust. You will be ok staying with 24.04 LTS for now. Earlier versions of Ubuntu (22.04, 20.04) will no longer be supported.

Whenever you upgrade your operating system to a new major version, I recommend you reinstall the honeypot from scratch. You may want to retain the "dshield.ini" file to simplify the reinstall. Reinstalling from scratch ensures that all required dependencies are installed.

For older Ubuntu versions, Python dependencies make support rather difficult. For in-place upgrades, I will try to maintain compatibility as much as possible, but new installs should use either 24.04 or 26.04.

The next update will also fix any issues with new versions of Raspberry Pi OS. The goal is to maintain compatibility with the 32- and 64-bit versions of "trixie" and "bookworm".  Testing for Raspberry Pi OS is a bit more complex because it requires physical devices. If anybody has a good way to virtualize Raspberry Pi OS: Please let me know :)

Updating Cowrie

The next update will also include an updated version of Cowrie. We have fallen quite a bit behind, and I hope to add some new features. If you currently do not see any Cowrie (ssh/telnet) logs in your account, please update your API key ("Auth Key"). Some older API keys are not compatible with the current version of Cowrie. Newer keys are random hexadecimal strings, while older keys are base64 encoded random strings.

As always, please use our contact form if you are running into any problems.

--
Johannes B. Ullrich, Ph.D. , Dean of Research, SANS.edu
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