Johannes Ullrich

SANS Stormcast: Daily Cyber Security News

A brief daily summary of what is important in information security. The podcast is published every weekday and designed to get you ready for the day with a brief, usually 5 minutes 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 Storm Center. You may submit questions and comments via our contact form at https://isc.sans.edu/contact.html .

Author

Johannes Ullrich

Category

Technology

Podcast website

isc.sans.edu

Latest episode

Jul 10, 2026

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Episodes

ISC StormCast for Tuesday, October 17th, 2023 17.10.2023

Are Typos Still relevant As An Indicator of Phishing https://isc.sans.edu/diary/Are+typos+still+relevant+as+an+indicator+of+phishing/30316 Active Exploitation of Cisco ISO XE Software Web Management User Interface Vuln https://blog.talosintelligence.com/active-exploitation-of-cisco-ios-xe-software/ Mail traffic to cancelled domain names https://www.sidn.nl/en/nl-domain-name/mail-traffic-to-cancell...

ISC StormCast for Tuesday, October 17th, 2023 17.10.2023

Are Typos Still relevant As An Indicator of Phishing https://isc.sans.edu/diary/Are+typos+still+relevant+as+an+indicator+of+phishing/30316 Active Exploitation of Cisco ISO XE Software Web Management User Interface Vuln https://blog.talosintelligence.com/active-exploitation-of-cisco-ios-xe-software/ Mail traffic to cancelled domain names https://www.sidn.nl/en/nl-domain-name/mail-traffic-to-cancell...

ISC StormCast for Monday, October 16th, 2023 16.10.2023

What's Normal: Odd Mac Addresses https://isc.sans.edu/forums/diary/What's%20Normal%3A%20MAC%20Addresses/30310/ Domain Name Used as Password Captured by DShield Sensor https://isc.sans.edu/forums/diary/Domain%20Name%20Used%20as%20Password%20Captured%20by%20DShield%20Sensor/30312/ PoC Exploit for CVE-2023-41993 https://github.com/po6ix/POC-for-CVE-2023-41993 AvosLocker Ransomware Details https://www...

ISC StormCast for Monday, October 16th, 2023 16.10.2023

What's Normal: Odd Mac Addresses https://isc.sans.edu/forums/diary/What's%20Normal%3A%20MAC%20Addresses/30310/ Domain Name Used as Password Captured by DShield Sensor https://isc.sans.edu/forums/diary/Domain%20Name%20Used%20as%20Password%20Captured%20by%20DShield%20Sensor/30312/ PoC Exploit for CVE-2023-41993 https://github.com/po6ix/POC-for-CVE-2023-41993 AvosLocker Ransomware Details https://www...

ISC StormCast for Friday, October 13th, 2023 13.10.2023

SeroXen RAT in Typosquatted NuGet Packages https://blog.phylum.io/phylum-discovers-seroxen-rat-in-typosquatted-nuget-package/ Hexadecimal IP Addresses https://asec.ahnlab.com/en/57635/ Juniper Vulnerabilities https://supportportal.juniper.net/s/global-search/%40uri?language=en_US#sort=%40sfcec_community_publish_date_formula__c%20descending&numberOfResults=50&f:ctype=[Security%20Advisories]...

ISC StormCast for Friday, October 13th, 2023 13.10.2023

SeroXen RAT in Typosquatted NuGet Packages https://blog.phylum.io/phylum-discovers-seroxen-rat-in-typosquatted-nuget-package/ Hexadecimal IP Addresses https://asec.ahnlab.com/en/57635/ Juniper Vulnerabilities https://supportportal.juniper.net/s/global-search/%40uri?language=en_US#sort=%40sfcec_community_publish_date_formula__c%20descending&numberOfResults=50&f:ctype=[Security%20Advisories]...

ISC StormCast for Thursday, October 12th, 2023 12.10.2023

CVE-2023-22515 Activately Exploited https://confluence.atlassian.com/security/cve-2023-22515-privilege-escalation-vulnerability-in-confluence-data-center-and-server-1295682276.html curl SOCKS5 oversized hostname vulnerability CVe-2023-38545 https://isc.sans.edu/diary/CVE-2023-38545%3A%20curl%20SOCKS5%20oversized%20hostname%20vulnerability.%20How%20bad%20is%20it%3F/30304 Adobe Acrobat Vulnerablity...

ISC StormCast for Thursday, October 12th, 2023 12.10.2023

CVE-2023-22515 Activately Exploited https://confluence.atlassian.com/security/cve-2023-22515-privilege-escalation-vulnerability-in-confluence-data-center-and-server-1295682276.html curl SOCKS5 oversized hostname vulnerability CVe-2023-38545 https://isc.sans.edu/diary/CVE-2023-38545%3A%20curl%20SOCKS5%20oversized%20hostname%20vulnerability.%20How%20bad%20is%20it%3F/30304 Adobe Acrobat Vulnerablity...

ISC StormCast for Wednesday, October 11th, 2023 11.10.2023

http2 rapid reset https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/ microsoft patch tuesday https://isc.sans.edu/diary/October%202023%20Microsoft%20Patch%20Tuesday%20Summary/30300

ISC StormCast for Wednesday, October 11th, 2023 11.10.2023

http2 rapid reset https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/ microsoft patch tuesday https://isc.sans.edu/diary/October%202023%20Microsoft%20Patch%20Tuesday%20Summary/30300

ISC StormCast for Tuesday, October 10th, 2023 10.10.2023

ZIP's DOSTIME and DOSDATE Formats https://isc.sans.edu/diary/ZIP%27s%20DOSTIME%20%26%20DOSDATE%20Formats/30296 New Magecart Campaign Abusing 404 Pages https://www.akamai.com/blog/security-research/magecart-new-technique-404-pages-skimmer Sophos Effected by Exim Flaw https://www.sophos.com/en-us/security-advisories/sophos-sa-20231005-exim-vuln Turn OFF This WatchGuard Feature: GuardLapse https://pr...

ISC StormCast for Tuesday, October 10th, 2023 10.10.2023

ZIP's DOSTIME and DOSDATE Formats https://isc.sans.edu/diary/ZIP%27s%20DOSTIME%20%26%20DOSDATE%20Formats/30296 New Magecart Campaign Abusing 404 Pages https://www.akamai.com/blog/security-research/magecart-new-technique-404-pages-skimmer Sophos Effected by Exim Flaw https://www.sophos.com/en-us/security-advisories/sophos-sa-20231005-exim-vuln Turn OFF This WatchGuard Feature: GuardLapse https://pr...

ISC StormCast for Monday, October 9th, 2023 09.10.2023

Binary IPv6 Address Conversion https://isc.sans.edu/diary/Binary%20IPv6%20Addresses/30290 Wireshark Updates https://www.wireshark.org/ Improved GitHub Secret Scanning https://github.blog/2023-10-04-introducing-secret-scanning-validity-checks-for-major-cloud-services/ Prerooted Android Devices https://arstechnica.com/security/2023/10/thousands-of-android-devices-come-with-unkillable-backdoor-preins...

ISC StormCast for Monday, October 9th, 2023 09.10.2023

Binary IPv6 Address Conversion https://isc.sans.edu/diary/Binary%20IPv6%20Addresses/30290 Wireshark Updates https://www.wireshark.org/ Improved GitHub Secret Scanning https://github.blog/2023-10-04-introducing-secret-scanning-validity-checks-for-major-cloud-services/ Prerooted Android Devices https://arstechnica.com/security/2023/10/thousands-of-android-devices-come-with-unkillable-backdoor-preins...

ISC StormCast for Friday, October 6th, 2023 06.10.2023

New tool: le-hex-to-ip.py https://isc.sans.edu/diary/New%20tool%3A%20le-hex-to-ip.py/30284 Cisco Emergency Responder Static Credentials Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cer-priv-esc-B9t3hqk9 Loony Tunables PoC CVE-2023-4911 https://haxx.in/files/gnu-acme.py Malicious Python Packages https://checkmarx.com/blog/the-evolutionary-tale...

ISC StormCast for Friday, October 6th, 2023 06.10.2023

New tool: le-hex-to-ip.py https://isc.sans.edu/diary/New%20tool%3A%20le-hex-to-ip.py/30284 Cisco Emergency Responder Static Credentials Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-cer-priv-esc-B9t3hqk9 Loony Tunables PoC CVE-2023-4911 https://haxx.in/files/gnu-acme.py Malicious Python Packages https://checkmarx.com/blog/the-evolutionary-tale...

ISC StormCast for Thursday, October 5th, 2023 05.10.2023

Normal Connections https://isc.sans.edu/diary/Whats+Normal+Connection+Sizes/30278/ Apple Patches https://isc.sans.edu/diary/Apple%20fixes%20vulnerabilities%20in%20iOS%20and%20iPadOS./30280 Looney Tunables Linux Privilege Escalation https://blog.qualys.com/vulnerabilities-threat-research/2023/10/03/cve-2023-4911-looney-tunables-local-privilege-escalation-in-the-glibcs-ld-so Atlasian Confluence Serv...

ISC StormCast for Thursday, October 5th, 2023 05.10.2023

Normal Connections https://isc.sans.edu/diary/Whats+Normal+Connection+Sizes/30278/ Apple Patches https://isc.sans.edu/diary/Apple%20fixes%20vulnerabilities%20in%20iOS%20and%20iPadOS./30280 Looney Tunables Linux Privilege Escalation https://blog.qualys.com/vulnerabilities-threat-research/2023/10/03/cve-2023-4911-looney-tunables-local-privilege-escalation-in-the-glibcs-ld-so Atlasian Confluence Serv...

ISC StormCast for Wednesday, October 4th, 2023 04.10.2023

Are Local LLMs Useful in Incident Response? https://isc.sans.edu/diary/Are%20Local%20LLMs%20Useful%20in%20Incident%20Response%3F/30274 Pytorch Vulnerability https://github.com/advisories/GHSA-4mqg-h5jf-j9m7 BING Reads Captchas https://twitter.com/literallydenis/status/1708283962399846459 Evilproxy vs. Microsoft 365 https://www.menlosecurity.com/blog/evilproxy-phishing-attack-strikes-indeed/

ISC StormCast for Wednesday, October 4th, 2023 04.10.2023

Are Local LLMs Useful in Incident Response? https://isc.sans.edu/diary/Are%20Local%20LLMs%20Useful%20in%20Incident%20Response%3F/30274 Pytorch Vulnerability https://github.com/advisories/GHSA-4mqg-h5jf-j9m7 BING Reads Captchas https://twitter.com/literallydenis/status/1708283962399846459 Evilproxy vs. Microsoft 365 https://www.menlosecurity.com/blog/evilproxy-phishing-attack-strikes-indeed/

ISC StormCast for Tuesday, October 3rd, 2023 03.10.2023

Friendly Reminder: ZIP Metadata is Not Encrypted https://isc.sans.edu/diary/Friendly%20Reminder%3A%20ZIP%20Metadata%20is%20Not%20Encrypted/30268 EXIM New Version Released https://www.exim.org/static/doc/security/CVE-2023-zdi.txt Mail GPU Kernel Driver Allows Improper GPU Memory Processing Operations https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities Bing AI Ser...

ISC StormCast for Tuesday, October 3rd, 2023 03.10.2023

Friendly Reminder: ZIP Metadata is Not Encrypted https://isc.sans.edu/diary/Friendly%20Reminder%3A%20ZIP%20Metadata%20is%20Not%20Encrypted/30268 EXIM New Version Released https://www.exim.org/static/doc/security/CVE-2023-zdi.txt Mail GPU Kernel Driver Allows Improper GPU Memory Processing Operations https://developer.arm.com/Arm%20Security%20Center/Mali%20GPU%20Driver%20Vulnerabilities Bing AI Ser...

ISC StormCast for Monday, October 2nd, 2023 02.10.2023

Analyzing MIME Files: a Quick Tip https://isc.sans.edu/diary/Analyzing%20MIME%20Files%3A%20a%20Quick%20Tip/30266 Infostealers Looking for Password Files https://isc.sans.edu/diary/Are+You+Still+Storing+Passwords+In+Plain+Text+Files/30262/ Simple Netcat Backdoor https://isc.sans.edu/diary/Simple+Netcat+Backdoor+in+Python+Script/30264/ EXIM Response to the ZDI Release https://exim.org/static/doc/sec...

ISC StormCast for Monday, October 2nd, 2023 02.10.2023

Analyzing MIME Files: a Quick Tip https://isc.sans.edu/diary/Analyzing%20MIME%20Files%3A%20a%20Quick%20Tip/30266 Infostealers Looking for Password Files https://isc.sans.edu/diary/Are+You+Still+Storing+Passwords+In+Plain+Text+Files/30262/ Simple Netcat Backdoor https://isc.sans.edu/diary/Simple+Netcat+Backdoor+in+Python+Script/30264/ EXIM Response to the ZDI Release https://exim.org/static/doc/sec...

ISC StormCast for Friday, September 29th, 2023 29.09.2023

IPv4 Addresses in Little Endian Decimal Format https://isc.sans.edu/diary/IPv4%20Addresses%20in%20Little%20Endian%20Decimal%20Format/30256 Chrome Update fixes 0-day Vulnerability https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop_27.html Unpatched EXIM Vulnerabilities https://www.zerodayinitiative.com/advisories/ZDI-23-1469/ WS_FTP Vulnerabilities https://community.pro...

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