SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)

Johannes B. Ullrich

About

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 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 .

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1812 episodes

ISC StormCast for Friday, September 15th, 2023

DShield and eqmu Sitting in a Tree: L-O-G-G-I-N-G https://isc.sans.edu/diary/DShield%20and%20qemu%20Sitting%20in%20a%20Tree%3A%20L-O-G-G-I-N-G/30216 Uncursing the ncurses memory corruption vulnerabilities https://www.microsoft.com/en-us/security/blog/2023/09/14/uncursing-the-ncurses-memory-corruption-vulnerabilities-found-in-library/ Arbitrary code execution via Windows Themes (CVE-2023-38146) https://exploits.forsale/themebleed/ 3AM Ransomware used if LockBit Fails https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/3am-ransomware-lockbit

5m
Sep 15
ISC StormCast for Thursday, September 14th, 2023

Backdoored Free DownloadManager https://securelist.com/backdoored-free-download-manager-linux-malware/110465/ Foxit PDF Reader Updates https://www.foxit.com/support/security-bulletins.html macOS MetaStealer: New Family of Obfuscated Go Infostealers https://www.sentinelone.com/blog/macos-metastealer-new-family-of-obfuscated-go-infostealers-spread-in-targeted-attacks/ Windows 11 to Support Blocking SMB NTLM Hashes https://techcommunity.microsoft.com/t5/storage-at-microsoft/smb-ntlm-blocking-now-supported-in-windows-insider/ba-p/3916206

5m
Sep 14
ISC StormCast for Wednesday, September 13th, 2023

Microsoft Patch Tuesday https://isc.sans.edu/diary/Microsoft%20September%202023%20Patch%20Tuesday/30214 OpenSSL 1.1.1 End of Life https://www.openssl.org/blog/blog/2023/09/11/eol-111/ Adobe Updates https://helpx.adobe.com/security/security-bulletin.html

5m
Sep 13
ISC StormCast for Tuesday, September 12th, 2023

Apple Patches Older Operating Systems https://isc.sans.edu/diary/Apple%20fixes%200-Day%20Vulnerability%20in%20Older%20Operating%20Systems/30210 Wi-Fi Enabled Practical Keystroke Eavesdropping https://arxiv.org/pdf/2309.03492.pdf Phishing via Google Looker Studio https://blog.checkpoint.com/security/phishing-via-google-looker-studio HPE One View Authentication Bypass https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbgn04530en_us

5m
Sep 12
ISC StormCast for Monday, September 11th, 2023

Augmenting Honeypot Logs https://isc.sans.edu/diary/%3FAnyone%20get%20the%20ASN%20of%20the%20Truck%20that%20Hit%20Me%3F!%3F%3A%20Creating%20a%20PowerShell%20Function%20to%20Make%203rd%20Party%20API%20Calls%20for%20Extending%20Honeypot%20Information%20%5BGuest%20Diary%5D/30204 More details about Apple 0-day https://citizenlab.ca/2023/09/blastpass-nso-group-iphone-zero-click-zero-day-exploit-captured-in-the-wild/ Cisco Adaptive Security Appliance Software and Firepower Threat Defense Software Remote Access VPN Unauthorized Access Vulnerability https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-ravpn-auth-8LyfCkeC#fs Odd Password Solution https://notpickard.com/@rdp/111009868239846779

6m
Sep 11
ISC StormCast for Friday, September 8th, 2023

Apple Patches 0-Days https://isc.sans.edu/diary/30200 https://support.apple.com/en-us/HT201222 iOS Fleezeware/Scareware https://isc.sans.edu/diary/Fleezeware%20Scareware%20Advertised%20via%20Facebook%20Tags%3B%20Available%20in%20Apple%20App%20Store/30198 Aruba Vulnerabilities https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2023-014.txt TP Link Vulnerabilities https://jvn.jp/en/vu/JVNVU99392903/

5m
Sep 08
ISC StormCast for Thursday, September 7th, 2023

Security Related DNS Records https://isc.sans.edu/diary/Security%20Relevant%20DNS%20Records/30194 Microsoft Reveleas Details about Key Loss https://msrc.microsoft.com/blog/2023/09/results-of-major-technical-investigations-for-storm-0558-key-acquisition/ September Android Updates https://source.android.com/docs/security/bulletin/2023-09-01 Google Chrome Update https://chromereleases.googleblog.com/2023/09/stable-channel-update-for-desktop.html Atlas VPN Tunnel Termination Vulnerability https://www.reddit.com/r/cybersecurity/comments/167f16e/atlasvpn_linux_client_103_remote_disconnect/

5m
Sep 07
ISC StormCast for Wednesday, September 6th, 2023

Common Usernames Submitted to Honeypots https://isc.sans.edu/diary/Common%20usernames%20submitted%20to%20honeypots/30188 TPM LUKS Bypass https://pulsesecurity.co.nz/advisories/tpm-luks-bypass Cross Tenant Impersonation Prevention and Detection https://sec.okta.com/articles/2023/08/cross-tenant-impersonation-prevention-and-detection

5m
Sep 06
ISC StormCast for Tuesday, September 5th, 2023

What is the Origin of Passwords Submitted to Honeypots https://isc.sans.edu/diary/What%20is%20the%20origin%20of%20passwords%20submitted%20to%20honeypots%3F/30182 Creating a YARA Rule to Detect Obfuscated Strings https://isc.sans.edu/diary/Creating%20a%20YARA%20Rule%20to%20Detect%20Obfuscated%20Strings/30186 VMware Aria Operations for Networks Hardcoded Keys 2023-34039 https://summoning.team/blog/vmware-vrealize-network-insight-rce-cve-2023-34039/ https://github.com/sinsinology/CVE-2023-34039/ Windows will Disable TLS 1.0/1.1 https://learn.microsoft.com/en-us/windows/release-health/windows-message-center

6m
Sep 05
ISC StormCast for Friday, September 1st, 2023

The low, low cost of (committing) cybercrime https://isc.sans.edu/forums/diary/The%20low%2C%20low%20cost%20of%20%28committing%29%20cybercrime/30176/ Unpinnable Github Actions https://www.paloaltonetworks.com/blog/prisma-cloud/unpinnable-actions-github-security/ Exploitation of Cisco ASA SSL VPNs https://www.rapid7.com/blog/post/2023/08/29/under-siege-rapid7-observed-exploitation-of-cisco-asa-ssl-vpns/ Splunk Vulnerabilities https://advisory.splunk.com/advisories Top Level Domain Issues https://blog.talosintelligence.com/whats-in-a-name/

6m
Sep 01
ISC StormCast for Thursday, August 31st, 2023

Home Office/Small Business Hurricane Prep https://isc.sans.edu/diary/Home%20Office%20%20%20Small%20Business%20Hurricane%20Prep/30166 Notepad++ Vulnerabilities https://securitylab.github.com/advisories/GHSL-2023-092_Notepad__/ 7-Zip Vulnerability https://www.zerodayinitiative.com/advisories/ZDI-23-1164/ BGP Error Handling Issues https://blog.benjojo.co.uk/post/bgp-path-attributes-grave-error-handling

5m
Aug 31
ISC StormCast for Wednesday, August 30th, 2023

Survival Time for Web Sites https://isc.sans.edu/diary/Survival%20time%20for%20web%20sites/30170 PDF/ActiveMime Polyglot Maldocs https://blogs.jpcert.or.jp/en/2023/08/maldocinpdf.html https://blog.didierstevens.com/2023/08/29/quickpost-pdf-activemime-maldocs-yara-rule/ RocketMQ Vulnerability Exploited https://blogs.juniper.net/en-us/threat-research/dreambus-botnet-resurfaces-targets-rocketmq-vulnerability ManageEngine Vulnerabilty https://www.manageengine.com/security/advisory/CVE/CVE-2023-35785.html

6m
Aug 30
ISC StormCast for Tuesday, August 29th, 2023

Analysis of RAR Exploit Files (CVE-2023-38831) https://isc.sans.edu/diary/Analysis+of+RAR+Exploit+Files+CVE202338831/30164 Juniper Exploit CVE-2023-36844 , CVE-2023-36845 , CVE-2023-36846 , CVE-2023-36847 https://labs.watchtowr.com/cve-2023-36844-and-friends-rce-in-juniper-firewalls/ Microsoft Will Enabled Extended Protection for Exchange Server by Default https://techcommunity.microsoft.com/t5/exchange-team-blog/coming-soon-enabling-extended-protection-on-exchange-server-by/ba-p/3911849 Rust Malware Stages on Crates.io https://blog.phylum.io/rust-malware-staged-on-crates-io/ SANS Community Night London Signup https://www.sans.org/mlp/community-night-cloud-security-london-september-2023

6m
Aug 29
ISC StormCast for Monday, August 28th, 2023

Python Malware Using Postgresql for C2 Communications https://isc.sans.edu/diary/Python%20Malware%20Using%20Postgresql%20for%20C2%20Communications/30158 macOS: Who is Behind This Network Connection? https://isc.sans.edu/diary/macOS%3A%20Who%3Fs%20Behind%20This%20Network%20Connection%3F/30160 CVE-2020-19909 Is Everything that is Wrong with CVEs https://daniel.haxx.se/blog/2023/08/26/cve-2020-19909-is-everything-that-is-wrong-with-cves/ Windows Certificate Confusion https://arstechnica.com/security/2023/08/a-renegade-certificate-is-removed-from-windows-then-it-returns-confusion-ensues/ NPM E-Mail Validator Package Malware https://blog.phylum.io/npm-emails-validator-package-malware/

6m
Aug 28
ISC StormCast for Friday, August 25th, 2023

How I made a "QWERTY" Keyboard Walk Password Generator with ChatGPT https://isc.sans.edu/diary/How%20I%20made%20a%20qwerty%20%3Fkeyboard%20walk%3F%20password%20generator%20with%20ChatGPT%20%20%5BGuest%20Diary%5D/30152 FBI Warns of Persistent Barracuda Backdoors https://www.ic3.gov/Media/News/2023/230823.pdf Ivanti Sentry Athentication Bypass Deep Diver CVE-2023-38035 https://www.horizon3.ai/ivanti-sentry-authentication-bypass-cve-2023-38035-deep-dive/ Smoke Loader Drops Whiffy Recon WiFi Scanning and Geolocation Malware https://www.secureworks.com/blog/smoke-loader-drops-whiffy-recon-wi-fi-scanning-and-geolocation-malware

5m
Aug 25
ISC StormCast for Thursday, August 24th, 2023

More Exotic Excel Files Dropping AgentTesla https://isc.sans.edu/diary/More%20Exotic%20Excel%20Files%20Dropping%20AgentTesla/30150 CVE-2023-38831 WinRAR Vulnerability Exploited https://www.group-ib.com/blog/cve-2023-38831-winrar-zero-day/ Aruba Vulnerabilities https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2023-012.txt

5m
Aug 24
ISC StormCast for Wednesday, August 23rd, 2023

Fernet Encryption in Malware https://isc.sans.edu/forums/diary/Have%20You%20Ever%20Heard%20of%20the%20Fernet%20Encryption%20Algorithm%3F/30146/ Malware Triage With Inotify Tools https://isc.sans.edu/diary/Quick+Malware+Triage+With+Inotify+Tools/30142/ Adobe Coldfusion Exploited https://www.cisa.gov/known-exploited-vulnerabilities-catalog Openfire Admin Console Vulnerability Exploited https://vulncheck.com/blog/openfire-cve-2023-32315 XLoader Mac Malware Updates https://www.sentinelone.com/blog/xloaders-latest-trick-new-macos-variant-disguised-as-signed-officenote-app/

6m
Aug 23
ISC StormCast for Tuesday, August 22nd, 2023

SystemBC Scans and ProxyNation https://isc.sans.edu/diary/SystemBC%20Malware%20Activity%20/30138 https://cybersecurity.att.com/blogs/labs-research/proxynation-the-dark-nexus-between-proxy-apps-and-malware Exchange Server Security Update Re-Release https://techcommunity.microsoft.com/t5/exchange-team-blog/re-release-of-august-2023-exchange-server-security-update/ba-p/3900025 Ivanti Sentry Vulnerability Exploited https://forums.ivanti.com/s/article/CVE-2023-38035-API-Authentication-Bypass-on-Sentry-Administrator-Interface?language=en_US DUO Security Outage https://status.duo.com/incidents/rw7g0q7ztj8f mTLS Vulnerabilities https://github.blog/2023-08-17-mtls-when-certificate-authentication-is-done-wrong/

6m
Aug 22
ISC StormCast for Monday, August 21st, 2023

From a Zalando Phish to a RAT https://isc.sans.edu/diary/From%20a%20Zalando%20Phishing%20to%20a%20RAT/30136 RARLAB WinRAR Recovery Volume Vulnerability https://www.zerodayinitiative.com/advisories/ZDI-23-1152/ Hotmail SPF Record Error Leads to spam false positives https://www.bleepingcomputer.com/news/microsoft/hotmail-email-delivery-fails-after-microsoft-misconfigures-dns/ Chinese Entanglement | DLL Hijacking in the Asian Gambling Sector https://www.sentinelone.com/labs/chinese-entanglement-dll-hijacking-in-the-asian-gambling-sector/ Google Chrome to Warn Users of Malicious Extensions https://betanews.com/2023/08/17/google-chrome-to-warn-users-about-problematic-extensions/

5m
Aug 21
ISC StormCast for Friday, August 18th, 2023

Command Line Parsing - Are These Really Unique Strings? https://isc.sans.edu/diary/Command%20Line%20Parsing%20-%20Are%20These%20Really%20Unique%20Strings%3F/30126 iOS 16 Fake Airplane Mode https://www.jamf.com/blog/fake-airplane-mode-a-mobile-tampering-technique-to-maintain-connectivity/ LinkedIn Attacks https://cyberint.com/blog/research/linkedin-accounts-under-attack-how-to-protect-yourself/ Robot Vacuum Privacy Issues https://dontvacuum.me/talks/DEFCON31/DEFCON31-vacuum-robots-final.pdf https://dontvacuum.me/

5m
Aug 18
ISC StormCast for Thursday, August 17th, 2023

PowerShell Gallery Prone to Typosqatting, Other Sypply Chain Attacks https://www.darkreading.com/application-security/powershell-gallery-prone-to-typosquatting-other-supply-chain-attacks Windows Random Time Issues https://arstechnica.com/security/2023/08/windows-feature-that-resets-system-clocks-based-on-random-data-is-wreaking-havoc/ Energy Company Targeted in QR Code Campaign https://cofense.com/blog/major-energy-company-targeted-in-large-qr-code-campaign/ New Citrix Scanner from Mandiant https://www.mandiant.com/resources/blog/citrix-adc-vulnerability-ioc-scanner

6m
Aug 17
ISC StormCast for Wednesday, August 16th, 2023

macOS Background Task Manager Bypass https://www.wired.com/story/apple-mac-background-task-management-flaw/ Ivanti Avalanche Vulnerability https://www.tenable.com/security/research/tra-2023-27 Exploiting Synology NAS Cloud Connectivity https://claroty.com/team82/research/a-pain-in-the-nas-exploiting-cloud-connectivity-to-pwn-your-nas-synology-ds920-edition Fake Crypto Currency Apps Offered as "Beta" versions https://www.ic3.gov/Media/Y2023/PSA230814

5m
Aug 16
ISC StormCast for Tuesday, August 15th, 2023

PDFiD False Positives Revisited https://isc.sans.edu/diary/PDFiD%3A%20False%20Positives%20Revisited/30122 CVE-2023-32019 Fix Enabled by Default; https://support.microsoft.com/en-us/topic/kb5028407-how-to-manage-the-vulnerability-associated-with-cve-2023-32019-bd6ed35f-48b1-41f6-bd19-d2d97270f080 CyberPower and Dataprobe Vulnerabilities https://www.trellix.com/en-us/about/newsroom/stories/research/the-threat-lurking-in-data-centers.html Ford WiFi Driver Vulnerability https://www.ti.com/lit/er/swra773/swra773.pdf?ts=1691717352391&ref_url=https%253A%252F%252Fmedia.ford.com%252F

5m
Aug 15
ISC StormCast for Monday, August 14th, 2023

Show Me All Your Windows https://isc.sans.edu/diary/Show%20me%20All%20Your%20Windows!/30116 Zero Touch Pwn https://blog.syss.com/posts/zero-touch-pwn/ Maginot DNS Spoofing Attack https://www.usenix.org/conference/usenixsecurity23/presentation/li-xiang

5m
Aug 14
ISC StormCast for Friday, August 11th, 2023

Some things never change, such as SQL Authentication "Encryption" https://isc.sans.edu/diary/Some%20things%20never%20change%20%3F%20such%20as%20SQL%20Authentication%20%3Fencryption%3F/30112 Defender Pretender: When Windows Defender Updates Become a Security Risk https://www.blackhat.com/us-23/briefings/schedule/#defender-pretender-when-windows-defender-updates-become-a-security-risk-32706 Dell Compellent Hardcoded Key https://www.dell.com/support/kbdoc/en-us/000216615/dsa-2023-282-security-update-for-dell-storage-integration-tools-for-vmware-dsitv-vulnerabilities Vulnerabilities in Sogou Keyboard https://citizenlab.ca/2023/08/vulnerabilities-in-sogou-keyboard-encryption/

6m
Aug 11
ISC StormCast for Thursday, August 10th, 2023

Tunnelcrack VPN Vulnerability https://papers.mathyvanhoef.com/usenix2023-tunnelcrack.pdf Mozilla VPN Vulnerablity https://www.openwall.com/lists/oss-security/2023/08/03/1 Non English Exchange Server Patch Issues https://techcommunity.microsoft.com/t5/exchange-team-blog/released-august-2023-exchange-server-security-updates/bc-p/3894481/highlight/true VSCode Token Security https://cycode.com/blog/exposing-vscode-secrets/ Weekly Updates for Google Chrome https://security.googleblog.com/2023/08/an-update-on-chrome-security-updates.html

6m
Aug 10
ISC StormCast for Wednesday, August 9th, 2023

Microsoft Patch Tuesday https://isc.sans.edu/diary/Microsoft%20August%202023%20Patch%20Tuesday/30106 Adobe Updates https://helpx.adobe.com/security/security-bulletin.html

6m
Aug 09
ISC StormCast for Tuesday, August 8th, 2023

Update: Researchers Scanning the Internet https://isc.sans.edu/diary/Update%3A%20Researchers%20scanning%20the%20Internet/30102 Malicious OpenBullet Configuration Files https://www.kasada.io/threat-intel-openbullet-malware/ Abusing Cloudflare Tunnels https://www.guidepointsecurity.com/blog/tunnel-vision-cloudflared-abused-in-the-wild/

6m
Aug 08
ISC StormCast for Monday, August 7th, 2023

Are Leaked Credential Dumps Used by Attackers? https://isc.sans.edu/diary/Are%20Leaked%20Credentials%20Dumps%20Used%20by%20Attackers%3F/30098 New PaperCut RCE Vulnerability https://www.horizon3.ai/cve-2023-39143-papercut-path-traversal-file-upload-rce-vulnerability/ Microsoft mitigates Power Platform Custom Code information disclosure vulnerability https://msrc.microsoft.com/blog/2023/08/microsoft-mitigates-power-platform-custom-code-information-disclosure-vulnerability/ Microsoft Publishes Token theft Playbook https://learn.microsoft.com/en-us/security/operations/token-theft-playbook

5m
Aug 07
ISC StormCast for Friday, August 4th, 2023

From small LNK to large malicious BAT file with zero VT score https://isc.sans.edu/diary/From%20small%20LNK%20to%20large%20malicious%20BAT%20file%20with%20zero%20VT%20score/30094 Social Engineering via Microsoft Teams https://www.microsoft.com/en-us/security/blog/2023/08/02/midnight-blizzard-conducts-targeted-social-engineering-over-microsoft-teams/ Automating the Search for LOLBAS https://pentera.io/resources/whitepapers/the-lolbas-odyssey-finding-new-lolbas-and-how-you-can-too/ Sneaky Versioning Used to Bypass Scanners https://thehackernews.com/2023/08/malicious-apps-use-sneaky-versioning.html Aruba Patches https://www.arubanetworks.com/assets/alert/ARUBA-PSA-2023-010.txt Mitel Patches https://www.mitel.com/support/security-advisories/mitel-product-security-advisory-23-0008

5m
Aug 04