Johannes B. Ullrich

SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)

News EN ↓ 2472 episodes

A brief daily summary of what is important in cyber security. The podcast is published every weekday and designed to get you ready for the day with a brief, usually about 5 minute long, summary of current network security related events. The content is late breaking, educational and based on listener input as well as on input received by the SANS Internet Stormcenter. You may submit questions and comments via our contact form at https://isc.sans.edu/contact.html .

Author

Johannes B. Ullrich

Category

News

Podcast website

isc.sans.edu

Latest episode

Jul 10, 2026

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Episodes

ISC StormCast for Thursday, May 30th, 2024 30.05.2024

Is that It? Finding the Unknown: Correlations Between Honeypot Logs and PCAPs https://isc.sans.edu/diary/Is%20that%20It%3F%20%20Finding%20the%20Unknown%3A%20Correlations%20Between%20Honeypot%20Logs%20%26%20PCAPs%20%5BGuest%20Diary%5D/30962 Checkpoint 0-Day https://blog.checkpoint.com/security/enhance-your-vpn-security-posture Okta warns of Credential Stuffing Against Customer Identity Cloud https:...

ISC StormCast for Wednesday, May 29th, 2024 29.05.2024

Preventing SQL Injection with Python https://www.youtube.com/watch?v=1cQy9N1Xndk PoC Exploit for CVE-2024-23108 in Fortinet FortiSIEM https://www.horizon3.ai/attack-research/cve-2024-23108-fortinet-fortisiem-2nd-order-command-injection-deep-dive/ ShrinkLocker: Turning BitLocker into ransomware https://securelist.com/ransomware-abuses-bitlocker/112643/ iconv buffer overflow PoC 2024-2961 https://gi...

ISC StormCast for Tuesday, May 28th, 2024 28.05.2024

Files with TGZ Extension used as malspam attachements https://isc.sans.edu/diary/Files%20with%20TXZ%20extension%20used%20as%20malspam%20attachments/30958 Google 0-Day https://chromereleases.googleblog.com/2024/05/stable-channel-update-for-desktop_23.html Google Stops Trusting Globaltrust CA https://groups.google.com/a/ccadb.org/g/public/c/wRs-zec8w7k/m/G_9QprJ2AQAJ Checkpoint warns of password bru...

ISC StormCast for Friday, May 24th, 2024 24.05.2024

Analysis of 'redtail' file uploads to ISC Honeypot https://isc.sans.edu/diary/Analysis%20of%20%3Fredtail%3F%20File%20Uploads%20to%20ICS%20Honeypot%2C%20a%20Multi-Architecture%20Coin%20Miner%20%5BGuest%20Diary%5D/30950 Veeam Vulnerablity https://www.veeam.com/kb4581 C-Root Server Lost Touch With Peers https://arstechnica.com/security/2024/05/dns-glitch-that-threatened-internet-stability-fixed-cause...

ISC StormCast for Thursday, May 23rd, 2024 23.05.2024

NMAP Scanning Without Scanning - The ipinfo API https://isc.sans.edu/diary/NMAP%20Scanning%20without%20Scanning%20%28Part%202%29%20-%20The%20ipinfo%20API/30948 Why Your WiFi Router Doubles As An Apple Airtag https://krebsonsecurity.com/2024/05/why-your-wi-fi-router-doubles-as-an-apple-airtag/#more-67551 https://account.microsoft.com/privacy/location-services-opt-out https://answers.microsoft.com/e...

ISC StormCast for Wednesday, May 22nd, 2024 22.05.2024

Scanning without Scanning with nmap https://isc.sans.edu/diary/Scanning%20without%20Scanning%20with%20NMAP%20%28APIs%20FTW%29/30944 iTerm2 Vulnerablities https://vin01.github.io/piptagole/escape-sequences/iterm2/hyper/url-handlers/code-execution/2024/05/21/arbitrary-url-schemes-terminal-emulators.html GitHub Enterprise Vulnerablity CVE-2024-4985 https://nvd.nist.gov/vuln/detail/CVE-2024-4985 BitBu...

ISC StormCast for Tuesday, May 21st, 2024 21.05.2024

Analyzing MSG Files https://isc.sans.edu/diary/Analyzing%20MSG%20Files/30940 Linguistic Lumberjack: Fluent Bit Vulnerability CVE-2024-4323 https://www.tenable.com/blog/linguistic-lumberjack-attacking-cloud-services-via-logging-endpoints-fluent-bit-cve-2024-4323 Fortinet FortiSIEM Command Injection Deep-Dive CVE-2023-23992 https://www.horizon3.ai/attack-research/cve-2023-34992-fortinet-fortisiem-co...

ISC StormCast for Monday, May 20th, 2024 20.05.2024

Another PDF Streams Example: Extracting JPEGs https://isc.sans.edu/diary/Another%20PDF%20Streams%20Example%3A%20Extracting%20JPEGs/30924 QNAP QTS QNAPping At the Wheel https://labs.watchtowr.com/qnap-qts-qnapping-at-the-wheel-cve-2024-27130-and-friends/ May 2024 Security Update Problems with Windows 2019 https://learn.microsoft.com/en-us/windows/release-health/status-windows-10-1809-and-windows-se...

ISC StormCast for Friday, May 17th, 2024 17.05.2024

Why yq? Adventurs in XML https://isc.sans.edu/diary/Why%20yq%3F%20%20Adventures%20in%20XML/30930 Black Basta Uses Quick Assist https://www.microsoft.com/en-us/security/blog/2024/05/15/threat-actors-misusing-quick-assist-in-social-engineering-attacks-leading-to-ransomware/ Various Chrome 0-Day Vulnerabilities https://chromereleases.googleblog.com/2024/05/stable-channel-update-for-desktop_15.html An...

ISC StormCast for Thursday, May 16th, 2024 16.05.2024

Got MFA? If not, now is the time! https://isc.sans.edu/diary/Got%20MFA%3F%20%20If%20not%2C%20Now%20is%20the%20Time!/30926 SSID Confusion: Making Wi-Fi Clients Connect to the Wrong Network CVE-2023-52424 https://www.top10vpn.com/assets/2024/05/Top10VPN-x-Vanhoef-SSID-Confusion.pdf FIDO2 MitM Session Hijacking https://www.silverfort.com/blog/using-mitm-to-bypass-fido2/?web_view=true#but-first-some-b...

ISC StormCast for Wednesday, May 15th, 2024 15.05.2024

Microsoft Patches https://isc.sans.edu/diary/Microsoft%20May%202024%20Patch%20Tuesday/30920 Detecting Bluetooth Trackers https://security.googleblog.com/2024/05/google-and-apple-deliver-support-for.html Adobe Patches https://helpx.adobe.com/security/products/acrobat/apsb24-29.html VMWare Updates https://support.broadcom.com/web/ecx/support-content-notification/-/external/content/SecurityAdvisories...

ISC StormCast for Tuesday, May 14th, 2024 14.05.2024

Apple Updates Everything https://isc.sans.edu/diary/Apple%20Patches%20Everything%3A%20macOS%2C%20iOS%2C%20iPadOS%2C%20watchOS%2C%20tvOS%20updated./30916 Juniper OpenSSH Update https://supportportal.juniper.net/s/article/2024-05-Reference-Advisory-Junos-OS-and-Junos-OS-Evolved-Multiple-CVEs-reported-in-OpenSSH?language=en_US Malicious Go Binary Delivered via Steganography in PyPi https://blog.phylu...

ISC StormCast for Monday, May 13th, 2024 13.05.2024

DNS Suffixes on Windows https://isc.sans.edu/diary/DNS%20Suffixes%20on%20Windows/30912 Black Basta Ransomware Advisory https://www.cisa.gov/news-events/cybersecurity-advisories/aa24-131a Possible Exploitation of Arcserve Unified Data Protection Vuln https://digital.nhs.uk/cyber-alerts/2024/cc-4487 Chrome Patches 0-Day https://chromereleases.googleblog.com/2024/05/stable-channel-update-for-desktop_...

ISC StormCast for Friday, May 10th, 2024 10.05.2024

Analyzing PDF Streams https://isc.sans.edu/diary/Analyzing%20PDF%20Streams/30908 F5 Next Central Manager Vulnerabilities https://eclypsium.com/blog/big-vulnerabilities-in-next-gen-big-ip/ Veeam Patches https://www.veeam.com/kb4441 https://www.veeam.com/kb4509 Citrix Hypervisor Security Update CVE-2024-31497 https://support.citrix.com/article/CTX633416/citrix-hypervisor-security-update-for-cve20243...

ISC StormCast for Thursday, May 9th, 2024 09.05.2024

Analzying Synology Disks https://isc.sans.edu/diary/Analyzing%20Synology%20Disks%20on%20Linux/30904 RSA Panel https://www.rsaconference.com/usa/agenda/session/The%20Five%20Most%20Dangerous%20New%20Attack%20Techniques%20You%20Need%20to%20Know%20About SANS.edu Research Journal https://www.sans.edu/cyber-security-research

ISC StormCast for Wednesday, May 8th, 2024 08.05.2024

Detecting XFinity/Comcast DNS Spoofing https://isc.sans.edu/diary/Detecting%20XFinity%20Comcast%20DNS%20Spoofing/30898 Weblogic PoC CVE-2024-21006 https://pwnull.github.io/2024/oracle%20weblogic%20CVE-2024-21006%20Double-JNDInjection%20RCE%20analyze/ https://github.com/momika233/CVE-2024-21006 PDF.js React PDF Vulnerablity https://securityonline.info/cve-2024-4367-cve-2024-34342-javascript-flaw-th...

ISC StormCast for Tuesday, May 7th, 2024 07.05.2024

DHCP Based VPN Routing Leaks https://www.leviathansecurity.com/blog/tunnelvision Mullvad VPN DNS Traffic Leak https://mullvad.net/en/blog/dns-traffic-can-leak-outside-the-vpn-tunnel-on-android Tiny Proxy Vulnerability https://talosintelligence.com/vulnerability_reports/TALOS-2023-1889

ISC StormCast for Monday, May 6th, 2024 06.05.2024

DNS Debugging with nslookup https://isc.sans.edu/diary/nslookups+Debug+Options/30894/ Microsoft Plans DNS Lockdown https://techcommunity.microsoft.com/t5/networking-blog/announcing-zero-trust-dns-private-preview/ba-p/4110366 Microsoft Graph API Abuse https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/graph-api-threats SANSFIRE SEC522 Defending Web Applications https://www.san...

ISC StormCast for Friday, May 3rd, 2024 03.05.2024

https://isc.sans.edu/diary/Scans%20Probing%20for%20LB-Link%20and%20Vinga%20WR-AC1200%20routers%20CVE-2023-24796/30890 Scans Probing for LB-Link and Vinga WR-AC1200 routers CVE-2023-24796 Buffer Overflow Vulnerabilities in ArubaOS https://www.arubanetworks.com/support-services/security-bulletins/ The Cuttlefish Malware https://blog.lumen.com/eight-arms-to-hold-you-the-cuttlefish-malware/

ISC StormCast for Thursday, May 2nd, 2024 02.05.2024

Linux Trojan - Xorddos with Filename eyshcjdmzg https://isc.sans.edu/diary/Linux%20Trojan%20-%20Xorddos%20with%20Filename%20eyshcjdmzg/30880 AWS S3 Denial of Wallet Amplification Attack https://medium.com/@maciej.pocwierz/how-an-empty-s3-bucket-can-make-your-aws-bill-explode-934a383cb8b1 https://blog.limbus-medtec.com/the-aws-s3-denial-of-wallet-amplification-attack-bc5a97cc041d EU iOS Safari Allo...

ISC StormCast for Wednesday, May 1st, 2024 01.05.2024

Another Day, Another NAS: Attacks against Zyxel NAS326 Devices CVE-2023-4473, CVE-2023-4474 https://isc.sans.edu/diary/Another%20Day%2C%20Another%20NAS%3A%20Attacks%20against%20Zyxel%20NAS326%20devices%20CVE-2023-4473%2C%20CVE-2023-4474/30884 R-Bitrary Code Execution: Vulnearbility in R's Deserialization https://hiddenlayer.com/research/r-bitrary-code-execution/ Coordinated Docker Hub Attacks usin...

ISC StormCast for Tuesday, April 30th, 2024 30.04.2024

DLink NAS Exploit Variation https://www.qnap.com/en/security-advisory/qsa-24-09 Muddling Meerkat DNS Abuse https://blogs.infoblox.com/threat-intelligence/a-cunning-operator-muddling-meerkat-and-chinas-great-firewall/ Android TV Data Leakage https://www.youtube.com/watch?v=QiyBXXO8QpA https://www.404media.co/android-tvs-can-expose-user-email-inboxes/ SEC522: SANSFIRE https://www.sans.org/cyber-secu...

ISC StormCast for Monday, April 29th, 2024 29.04.2024

Okta warns of increase in credential stuffing https://sec.okta.com/blockanonymizers Fake payment cards used by Police in Japan https://twitter.com/vxunderground/status/1783522097425211887 Phishing Campaigns Targeting USPS https://www.akamai.com/blog/security-research/phishing-usps-malicious-domains-traffic-equal-to-legitimate-traffic Chrome 124 Breaks TLS Handshake https://www.reddit.com/r/sysadmi...

ISC StormCast for Friday, April 26th, 2024 26.04.2024

Does it matter if iptables isn't running on my honeypot? https://isc.sans.edu/forums/diary/Does%20it%20matter%20if%20iptables%20isn't%20running%20on%20my%20honeypot%3F/30862/ Unplugging PlugX: Singholing the PlugX USB worm botnet https://blog.sekoia.io/unplugging-plugx-sinkholing-the-plugx-usb-worm-botnet/ pfSense Updates https://docs.netgate.com/advisories/index.html GitLab Updates https://about....

ISC StormCast for Thursday, April 25th, 2024 25.04.2024

API Rug Pull - The NIST NVD Database and API https://isc.sans.edu/diary/API%20Rug%20Pull%20-%20The%20NIST%20NVD%20Database%20and%20API%20%28Part%204%20of%203%29/30868 Cisco Patches Vulnerabilities and Discovers Arcane Backdoor https://blog.talosintelligence.com/arcanedoor-new-espionage-focused-campaign-found-targeting-perimeter-network-devices/ Vulnerabilities across keyboard apps reveal keystroke...

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