SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)

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Episodes

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Johannes B. Ullrich•isc.sans.edu

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 .

Episodes

ISC StormCast for Tuesday, January 24th, 2023

Who's Resolving This Domain https://isc.sans.edu/forums/diary/Who's%20Resolving%20This%20Domain%3F/29462/ Apple Updates Everything https://support.apple.com/en-us/HT201222 NSA IPv6 Security Guidance https://media.defense.gov/2023/Jan/18/2003145994/-1/-1/0/CSI_IPV6_SECURITY_GUIDANCE.PDF Roaming Mantis Implements new DNS Changer in tis malicious mobile app https://thehackernews.com/2023/01/roaming-mantis-spreading-mobile-malware.html...

Jan 24, 2023•6 min•Ep 8338•Transcript available on Metacast

ISC StormCast for Monday, January 23rd, 2023

Imortance of Signing in Windows Environments https://isc.sans.edu/diary/Importance%20of%20signing%20in%20Windows%20environments/29456 FanDuel Discloses Data Breach Caused by Recent Mailchimp Hack https://www.bleepingcomputer.com/news/security/fanduel-discloses-data-breach-caused-by-recent-mailchimp-hack/ OneNote Documents Used to Embed Malicious Office Documents https://www.trustwave.com/en-us/resources/blogs/spiderlabs-blog/trojanized-onenote-document-leads-to-formbook-malware/ Cisco Unified Co...

Jan 23, 2023•6 min•Ep 8336•Transcript available on Metacast

ISC StormCast for Friday, January 20th, 2023

SPF and DMARC use on 100k most popular domains https://isc.sans.edu/diary/SPF%20and%20DMARC%20use%20on%20100k%20most%20popular%20domains/29452 Sysmon Exploit Released CVE-2022-41120, CVE-2022-44704 https://github.com/Wh04m1001/SysmonEoP ManageEngine CVE-2022-47966 Technical Deep Dive https://www.horizon3.ai/manageengine-cve-2022-47966-technical-deep-dive/ Netcomm Router Vulnerablities https://kb.cert.org/vuls/id/986018 Microsoft Pushes Outdated Office Install Check https://www.bleepingcomputer.c...

Jan 20, 2023•6 min•Ep 8334•Transcript available on Metacast

ISC StormCast for Thursday, January 19th, 2023

Malicious Google Ads for Fake Notepad++ Lead to Aurora Stealer https://isc.sans.edu/diary/Malicious%20Google%20Ad%20--%3E%20Fake%20Notepad%2B%2B%20Page%20--%3E%20Aurora%20Stealer%20malware/29448 Oracle Critical Patch Update https://www.oracle.com/security-alerts/cpujan2023.html QT QML Vulnerability https://blog.talosintelligence.com/vulnerability-spotlight-integer-and-buffer-overflow-vulnerabilities-found-in-qt-qml/ sudo sudoedit vulnerablity https://www.synacktiv.com/sites/default/files/2023-01...

Jan 19, 2023•6 min•Ep 8332•Transcript available on Metacast

ISC StormCast for Wednesday, January 18th, 2023

Finding that one GPO setting in a pool of hundreds of GPOs https://isc.sans.edu/diary/Finding%20that%20one%20GPO%20Setting%20in%20a%20Pool%20of%20Hundreds%20of%20GPOs/29442 GIT Code Audit https://x41-dsec.de/security/research/news/2023/01/17/git-security-audit-ostif/ Azure SSRF Flaws https://orca.security/resources/blog/ssrf-vulnerabilities-in-four-azure-services/ SMB Insecure Guest Auth Off By Default In Windows 11 Pro https://techcommunity.microsoft.com/t5/storage-at-microsoft/smb-insecure-gue...

Jan 18, 2023•6 min•Ep 8330•Transcript available on Metacast

ISC StormCast for Tuesday, January 17th, 2023

PSA: Why you must run an ad blocker when using Google https://isc.sans.edu/diary/PSA%3A%20Why%20you%20must%20run%20an%20ad%20blocker%20when%20using%20Google/29438 NortonLifeLock Password Manager Bruteforcing https://webcache.googleusercontent.com/search?q=cache%3A91Bmx_jTJIkJ%3Ahttps%3A%2F%2Fago.vermont.gov%2Fwp-content%2Fuploads%2F2023%2F01%2F2023-01-09-NortonLifeLock-Gen-Digital-Data-Breach-Notice-to-Consumers.pdf&cd=3&hl=de&ct=clnk&gl=de CVE-2023-0179 Linux kernel stack buffer overflow in nft...

Jan 17, 2023•6 min•Ep 8328•Transcript available on Metacast

ISC StormCast for Monday, January 16th, 2023

Elon Musk Themed Crypto Scams Flooding YouTube Today https://isc.sans.edu/diary/Elon%20Musk%20Themed%20Crypto%20Scams%20Flooding%20YouTube%20Today/29434 Microsoft Text to Speech Synthesizer https://arxiv.org/pdf/2301.02111.pdf Missing Windows Start Menu https://learn.microsoft.com/en-us/windows/release-health/status-windows-11-22H2#2998msgdesc...

Jan 16, 2023•5 min•Ep 8326•Transcript available on Metacast

ISC StormCast for Friday, January 13th, 2023

Prowler v3: AWS & Azure security assessments https://isc.sans.edu/diary/Prowler%20v3%3A%20AWS%20%26%20Azure%20security%20assessments/29430 Certified Pre-Pw0ned Android TV https://github.com/DesktopECHO/T95-H616-Malware Revolte Attack https://revolte-attack.net NGFW Data Exfiltration https://cymulate.com/blog/data-exfiltration-firewall/...

Jan 13, 2023•7 min•Ep 8324•Transcript available on Metacast

ISC StormCast for Thursday, January 12th, 2023

Passive Detection of Internet-Connected Systems Affected by Exploited Vulnerabilities https://isc.sans.edu/diary/Passive%20detection%20of%20internet-connected%20systems%20affected%20by%20vulnerabilities%20from%20the%20CISA%20KEV%20catalog/29426 Unauthenticed Remote DoS in ksmbd NTLMv2 Authentication https://seclists.org/oss-sec/2023/q1/4 Cisco RV Series Vulnerabilities CVE-2023-20025 https://sec.cloudapps.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sbr042-multi-vuln-ej76Pke5...

Jan 12, 2023•6 min•Ep 8322•Transcript available on Metacast

ISC StormCast for Wednesday, January 11th, 2023

Microsoft January 2023 Patch Tuesday https://isc.sans.edu/diary/Microsoft%20January%202023%20Patch%20Tuesday/29420 Cacti Unauthenticated Remote Code Execution https://www.sonarsource.com/blog/cacti-unauthenticated-remote-code-execution/ On the Security Vulnerabilities of Text-to-SQL Models https://arxiv.org/pdf/2211.15363.pdf...

Jan 11, 2023•6 min•Ep 8320•Transcript available on Metacast

ISC StormCast for Tuesday, January 10th, 2023

New Year Old Tricks: Hunting for CircleCI Configuration Files https://isc.sans.edu/diary/New%20year%2C%20old%20tricks%3A%20Hunting%20for%20CircleCI%20configuration%20files/29416 Amazon S3 Encrypts New Objects By Default https://aws.amazon.com/blogs/aws/amazon-s3-encrypts-new-objects-by-default/ MatrixSSL Buffer Overflow https://github.com/matrixssl/matrixssl/security/advisories/GHSA-fmwc-gwc5-2g29 Auth0 JsonWebToken Vulnerability CVE-2022-23529 https://unit42.paloaltonetworks.com/jsonwebtoken-vu...

Jan 10, 2023•6 min•Ep 8318•Transcript available on Metacast

ISC StormCast for Monday, January 9th, 2023

Reversing AutoIT Scripts https://isc.sans.edu/diary/AutoIT%20Remains%20Popular%20in%20the%20Malware%20Landscape/29408 Can You Trust Your VSCode Extensions https://blog.aquasec.com/can-you-trust-your-vscode-extensions A Deep Dive Into Powerat https://blog.phylum.io/a-deep-dive-into-powerat-a-newly-discovered-stealer/rat-combo-polluting-pypi...

Jan 09, 2023•6 min•Ep 8316•Transcript available on Metacast

ISC StormCast for Friday, January 6th, 2023

More Brazil Malspam Pushing Astaroth (Guildma) in January 2023 https://isc.sans.edu/forums/diary/More%20Brazil%20malspam%20pushing%20Astaroth%20%28Guildma%29%20in%20January%202023/29404/ CircleCI Breach https://circleci.com/blog/january-4-2023-security-alert/ Twitter Leak https://www.bleepingcomputer.com/news/security/200-million-twitter-users-email-addresses-allegedly-leaked-online/ Slack Source Code Leak https://slack.com/blog/news/slack-security-update Control Web Panel Patch CVE-2022-44877 h...

Jan 06, 2023•6 min•Ep 8314•Transcript available on Metacast

ISC StormCast for Thursday, January 5th, 2023

Update to RTRBK - Diff and File Dates in PowerShell https://isc.sans.edu/diary/Update%20to%20RTRBK%20-%20Diff%20and%20File%20Dates%20in%20PowerShell/29400 Google Chrome Sunsetting Legacy Windows Support https://support.google.com/chrome/thread/185534985/sunsetting-support-for-windows-7-8-8-1-in-early-2023?hl=en SHC used to compile cryptominer malware https://asec.ahnlab.com/en/45182/ ManageEngine Password Manager Pro SQL Injection https://pitstop.manageengine.com/portal/en/community/topic/manage...

Jan 05, 2023•7 min•Ep 8312•Transcript available on Metacast

ISC StormCast for Wednesday, January 4th, 2023

NTP Fingerprinting https://isc.sans.edu/diary/Its%20about%20time%3A%20OS%20Fingerprinting%20using%20NTP/29394 Misc Car Vulnerabilities https://samcurry.net/web-hackers-vs-the-auto-industry/ Flipper Zero Phishing https://twitter.com/AlvieriD/status/1609945425871609858 Trend Micro Patch https://helpcenter.trendmicro.com/en-us/article/TMKA-11252 Packet Tuesday: IP Options https://www.youtube.com/watch?v=HldNL3SLLwM...

Jan 04, 2023•7 min•Ep 8310•Transcript available on Metacast

ISC StormCast for Tuesday, January 3rd, 2023

Kyverno's container image signature verification bypass https://www.armosec.io/blog/cve-2022-47633-kyvernos-container-image-signature-verification/ Google Smart Spaeker Vulnerability https://downrightnifty.me/blog/2022/12/26/hacking-google-home.html Verizon Decomissions 3G CDMA Network https://www.fiercewireless.com/wireless/verizon-tells-3g-customers-upgrade-they-lose-service EarSpy: Spying Caller Speech and Identity Through Speaker Vibrations https://arxiv.org/pdf/2212.12151.pdf...

Jan 03, 2023•6 min•Ep 8308•Transcript available on Metacast

ISC StormCast for Monday, January 2nd, 2023

SPF and DMARC use on GOV domains in different ccTLDs https://isc.sans.edu/forums/diary/SPF+and+DMARC+use+on+GOV+domains+in+different+ccTLDs/29384/ CVE-2022-47939 ksmbd Vulnerability https://ubuntu.com/security/CVE-2022-47939 Netgear Vulnerabilities https://kb.netgear.com/000065495/Security-Advisory-for-Pre-Authentication-Buffer-Overflow-on-Some-Routers-PSV-2019-0208 PyTorch Malicious Dependency https://pytorch.org/blog/compromised-nightly-dependency/...

Jan 02, 2023•6 min•Ep 8306•Transcript available on Metacast

ISC StormCast for Friday, December 23rd, 2022

Exchange OWASSRF Exploited for Remote Code Execution https://isc.sans.edu/forums/diary/Exchange%20OWASSRF%20Exploited%20for%20Remote%20Code%20Execution/29374/ ksmbd Vulnerability https://www.zerodayinitiative.com/advisories/ZDI-22-1690/ LastPass Incident Update https://blog.lastpass.com/2022/12/notice-of-recent-security-incident/...

Dec 23, 2022•7 min•Ep 8304•Transcript available on Metacast

ISC StormCast for Thursday, December 22nd, 2022

Quick NTP Measurement https://isc.sans.edu/diary/Can%20you%20please%20tell%20me%20what%20time%20it%20is%3F%20Adventures%20with%20public%20NTP%20servers./29368 FBI Favors Ad Blockers https://www.ic3.gov/Media/Y2022/PSA221221 Hidden Costs of Parental Control Apps https://sec-consult.com/blog/detail/the-hidden-costs-of-parental-control-apps/ ProxyNotShell Mitigtation Bypass https://www.crowdstrike.com/blog/owassrf-exploit-analysis-and-recommendations/...

Dec 22, 2022•6 min•Ep 8302•Transcript available on Metacast

ISC StormCast for Wednesday, December 21st, 2022

Linux File System Monitoring and Actions https://isc.sans.edu/diary/Linux%20File%20System%20Monitoring%20%26%20Actions/29362 Feed of NTP Server IP Addresses https://isc.sans.edu/api/threatlist/ntpservers?json Feed of Mastodon Server IP Addresses https://isc.sans.edu/api/threatlist/mastodon?json Packet Tuesday TLS Server Hello https://www.youtube.com/watch?v=2HymU4dxWEQ Android Preparing Support for Updatable Root Certificates https://blog.esper.io/android-14-updatable-certificates/ Elastic IP Hi...

Dec 21, 2022•7 min•Ep 8300•Transcript available on Metacast

ISC StormCast for Tuesday, December 20th, 2022

Hunting for Mastodon Servers https://isc.sans.edu/diary/Hunting%20for%20Mastodon%20Servers/29358 KB5021233 Blue Screen https://learn.microsoft.com/en-us/windows/release-health/status-windows-10-22H2#2986msgdesc Edge Update will disable Internet Explorer in February https://learn.microsoft.com/en-us/deployedge/edge-learnmore-neededge Gatekeeper's Achilles heel: Unearthin a macOS vulnerability https://www.microsoft.com/en-us/security/blog/2022/12/19/gatekeepers-achilles-heel-unearthing-a-macos-vul...

Dec 20, 2022•6 min•Ep 8298•Transcript available on Metacast

ISC StormCast for Monday, December 19th, 2022

Infostealer Malware with Double Extension https://isc.sans.edu/diary/Infostealer%20Malware%20with%20Double%20Extension/29354 Client Side Encryption For GMail https://workspaceupdates.googleblog.com/2022/12/client-side-encryption-for-gmail-beta.html Google Releases OSV Scanner https://github.com/google/osv-scanner/releases/tag/v1.0.1 Samba Security Patches https://thehackernews.com/2022/12/samba-issues-security-updates-to-patch.html Zyxel Router Buffer Overflow https://sec-consult.com/blog/detail...

Dec 19, 2022•6 min•Ep 8296•Transcript available on Metacast

ISC StormCast for Friday, December 16th, 2022

Google ads lead to fake software pages pushing IcedID (Bokbot) https://isc.sans.edu/diary/Google%20ads%20lead%20to%20fake%20software%20pages%20pushing%20IcedID%20%28Bokbot%29/29344 HTML smugglers turn to SVG images https://blog.talosintelligence.com/html-smugglers-turn-to-svg-images/ GitHub Improvements https://github.blog/2022-12-14-raising-the-bar-for-software-security-next-steps-for-github-com-2fa/ NIST Retires SHA-1 https://www.nist.gov/news-events/news/2022/12/nist-retires-sha-1-cryptograph...

Dec 16, 2022•6 min•Ep 8294•Transcript available on Metacast

ISC StormCast for Thursday, December 15th, 2022

Microsoft Patch Issues: https://support.microsoft.com/en-us/topic/december-13-2022-kb5021249-os-build-20348-1366-d5fe7608-bc9d-4055-a88c-fb2fd3d5fd45 https://techcommunity.microsoft.com/t5/ask-the-directory-services-team/so-you-say-your-dc-s-memory-is-getting-all-used-up-after/ba-p/3696318 Critical Remote Code Execution Vulneraiblity in SPNEGO Extended Negotiation Security Mechanism https://securityintelligence.com/posts/critical-remote-code-execution-vulnerability-spnego-extended-negotiation-se...

Dec 15, 2022•6 min•Ep 8292•Transcript available on Metacast

ISC StormCast for Wednesday, December 14th, 2022

Microsoft Patches https://isc.sans.edu/diary/Microsoft%20December%202022%20Patch%20Tuesday/29336 Apple Patches https://isc.sans.edu/diary/Apple%20Updates%20Everything/29338 Citrix Patches https://www.citrix.com/blogs/2022/12/13/critical-security-update-now-available-for-citrix-adc-citrix-gateway/...

Dec 14, 2022•6 min•Ep 8290•Transcript available on Metacast

ISC StormCast for Tuesday, December 13th, 2022

Quickie: CyberChef Sorting By String Length https://isc.sans.edu/diary/Quickie%3A%20CyberChef%20Sorting%20By%20String%20Length/29328 FortiOS Buffer Overlow https://www.fortiguard.com/psirt/FG-IR-22-398 A Custom Python Backdoor for VMWare ESXi Servers https://blogs.juniper.net/en-us/threat-research/a-custom-python-backdoor-for-vmware-esxi-servers Fuzzing Ping https://tlakh.xyz/fuzzing-ping.html...

Dec 13, 2022•6 min•Ep 8288•Transcript available on Metacast

ISC StormCast for Monday, December 12th, 2022

Fast Port Scanning in Powershell https://isc.sans.edu/diary/Port%20Scanning%20in%20Powershell%20Redux%3A%20Speeding%20Up%20the%20Results%20%28challenge%20accepted!%29/29324 Bypassing WAFs with JSON https://claroty.com/team82/research/js-on-security-off-abusing-json-based-sql-to-bypass-waf Invisbile npm malware evading security checks https://jfrog.com/blog/invisible-npm-malware-evading-security-checks-with-crafted-versions/ PCI Secre Software Standard V 1.2 https://docs-prv.pcisecuritystandards....

Dec 12, 2022•7 min•Ep 8286•Transcript available on Metacast

ISC StormCast for Friday, December 9th, 2022

Finding Gaps in Syslog https://isc.sans.edu/diary/Finding%20Gaps%20in%20Syslog%20-%20How%20to%20find%20when%20nothing%20happened/29314 Internet Explorer Vulnerabilty used in Malicious Word Document https://blog.google/threat-analysis-group/internet-explorer-0-day-exploited-by-north-korean-actor-apt37/ Zombinder Obfuscation Service used by Ermac https://www.threatfabric.com/blogs/zombinder-ermac-and-desktop-stealers.html Cisco IP Phone Vulnerability CVE-2022-20968 https://tools.cisco.com/security...

Dec 09, 2022•6 min•Ep 8284•Transcript available on Metacast

ISC StormCast for Thursday, December 8th, 2022

ZeroBot / WSZero IoT Botnet https://www.fortinet.com/blog/threat-research/zerobot-new-go-based-botnet-campaign-targets-multiple-vulnerabilities https://blog.netlab.360.com/new-ddos-botnet-wszeor/ Cacti Vulnerability CVE-2022-46169 https://github.com/Cacti/cacti/security/advisories/GHSA-6p93-p743-35gf Wireshark Updates https://www.wireshark.org/docs/relnotes/wireshark-4.0.2.html Apple iCloud Security Improvements https://www.apple.com/newsroom/2022/12/apple-advances-user-security-with-powerful-ne...

Dec 08, 2022•5 min•Ep 8282•Transcript available on Metacast

ISC StormCast for Wednesday, December 7th, 2022

Mirai Botnet and Gafgyt DDoS Team Up https://isc.sans.edu/forums/diary/Mirai%20Botnet%20and%20Gafgyt%20DDoS%20Team%20Up%20Against%20SOHO%20Routers./29304/Gafgyt/Mirai Sample; Packet Tuesday; Packet Tuesday Episode 4: TLS Client Hello https://www.youtube.com/playlist?list=PLs4eo9Tja8biVteSW4a3GHY8qi0t1lFLL Defcon Skimming: A new batch of Web Skimming attacks https://blog.jscrambler.com/defcon-skimming-a-new-batch-of-web-skimming-attacks Fake D-Link Vulnerability used by Moobot https://vulncheck.c...

Dec 07, 2022•6 min•Ep 8280•Transcript available on Metacast