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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ISC StormCast for Thursday, July 29th, 2021

July 28, 2021 8:32 7.47 MB Downloads: 0

A Sextortion E-Mail From ... IT Support?! https://isc.sans.edu/forums/diary/A+sextortion+email+fromIT+support/27682/ AV-Test Compares Android Anti-Virus Software https://www.av-test.org/en/news/15-security-apps-for-android-in-an-endurance-test/ Oscorp evolves into UBEL: Advanced Android Malware https://www.cleafy.com/cleafy-labs/ubel-oscorp-evolution QOMPLX Reboots Punkspider https://www.globenewswire.com/da/news-release/2021/07/20/2265860/0/en/QOMPLX-Reboots-Punkspider.html AFRINIC IPv4 Address Heist https://lists.afrinic.net/pipermail/community-discuss/2021-July/004122.html

ISC StormCast for Wednesday, July 28th, 2021

July 27, 2021 6:42 5.93 MB Downloads: 0

Details about CVE-2021-30807. (Patch released Monday for MacOS/iOS) https://saaramar.github.io/IOMobileFrameBuffer_LPE_POC/ Zimbra 8.8.15 XSS and SSRF Vulnerability https://blog.sonarsource.com/zimbra-webmail-compromise-via-email LockBit Ransomware Uses Group Policies https://www.bleepingcomputer.com/news/security/lockbit-ransomware-automates-windows-domain-encryption-via-group-policies/ Microsoft Extending SafeLinks to Teams https://techcommunity.microsoft.com/t5/microsoft-defender-for-office/microsoft-teams-gets-more-phishing-protection/ba-p/2585559

ISC StormCast for Wednesday, July 28th, 2021

July 27, 2021 6:42 5.93 MB Downloads: 0

Details about CVE-2021-30807. (Patch released Monday for MacOS/iOS) https://saaramar.github.io/IOMobileFrameBuffer_LPE_POC/ Zimbra 8.8.15 XSS and SSRF Vulnerability https://blog.sonarsource.com/zimbra-webmail-compromise-via-email LockBit Ransomware Uses Group Policies https://www.bleepingcomputer.com/news/security/lockbit-ransomware-automates-windows-domain-encryption-via-group-policies/ Microsoft Extending SafeLinks to Teams https://techcommunity.microsoft.com/t5/microsoft-defender-for-office/microsoft-teams-gets-more-phishing-protection/ba-p/2585559

ISC StormCast for Tuesday, July 27th, 2021

July 26, 2021 6:07 5.45 MB Downloads: 0

Recovering Malspam Password https://isc.sans.edu/forums/diary/Failed+Malspam+Recovering+The+Password/27674/ Apple Patches 0-Day https://support.apple.com/en-us/HT201222 Attackers Adopt Exotic Programming Languages https://blogs.blackberry.com/en/2021/07/old-dogs-new-tricks-attackers-adopt-exotic-programming-languages LemonDuck/LemonCat Coinminers Going Multi-OS https://www.microsoft.com/security/blog/2021/07/22/when-coin-miners-evolve-part-1-exposing-lemonduck-and-lemoncat-modern-mining-malware-infrastructure/ GitHub Expending Supply Chain Security Support to Go https://github.blog/2021-07-22-github-supply-chain-security-features-go-community/

ISC StormCast for Tuesday, July 27th, 2021

July 26, 2021 6:07 5.45 MB Downloads: 0

Recovering Malspam Password https://isc.sans.edu/forums/diary/Failed+Malspam+Recovering+The+Password/27674/ Apple Patches 0-Day https://support.apple.com/en-us/HT201222 Attackers Adopt Exotic Programming Languages https://blogs.blackberry.com/en/2021/07/old-dogs-new-tricks-attackers-adopt-exotic-programming-languages LemonDuck/LemonCat Coinminers Going Multi-OS https://www.microsoft.com/security/blog/2021/07/22/when-coin-miners-evolve-part-1-exposing-lemonduck-and-lemoncat-modern-mining-malware-infrastructure/ GitHub Expending Supply Chain Security Support to Go https://github.blog/2021-07-22-github-supply-chain-security-features-go-community/

ISC StormCast for Monday, July 26th, 2021

July 25, 2021 6:26 5.7 MB Downloads: 0

PetitPotam ADCS Domain Admin Vulnerability https://isc.sans.edu/forums/diary/Active+Directory+Certificate+Services+ADCS+PKI+domain+admin+vulnerability/27668/ XCSSET Mac Malware Target Google Chrome / Telegram https://thehackernews.com/2021/07/nasty-macos-malware-xcsset-now-targets.html Defunct Video Hosting Site Flooding Normal Websites With Porn https://www.vice.com/en/article/qj8xz3/a-defunct-video-hosting-site-is-flooding-normal-websites-with-hardcore-porn

ISC StormCast for Monday, July 26th, 2021

July 25, 2021 6:26 5.7 MB Downloads: 0

PetitPotam ADCS Domain Admin Vulnerability https://isc.sans.edu/forums/diary/Active+Directory+Certificate+Services+ADCS+PKI+domain+admin+vulnerability/27668/ XCSSET Mac Malware Target Google Chrome / Telegram https://thehackernews.com/2021/07/nasty-macos-malware-xcsset-now-targets.html Defunct Video Hosting Site Flooding Normal Websites With Porn https://www.vice.com/en/article/qj8xz3/a-defunct-video-hosting-site-is-flooding-normal-websites-with-hardcore-porn

ISC StormCast for Friday, July 23rd, 2021

July 22, 2021 6:28 5.74 MB Downloads: 0

Akamai Outage https://isc.sans.edu/forums/diary/Lost+in+the+Cloud+Akamai+DNS+Outage/27660/ "Summer of SAM" Continues https://isc.sans.edu/forums/diary/Summer+of+SAM+Microsoft+Releases+Guidance+for+CVE202136934/27656/ Oracle Critical Patch Update https://www.oracle.com/security-alerts/cpujul2021.html Kaseya Decryptor Available https://www.kaseya.com/potential-attack-on-kaseya-vsa/ Jira Data Center and Jira Service Management Data Center Security Advisory https://confluence.atlassian.com/adminjiraserver/jira-data-center-and-jira-service-management-data-center-security-advisory-2021-07-21-1063571388.html Forgot password? Taking over user accounts Kaminsky style https://sec-consult.com/blog/detail/forgot-password-taking-over-user-accounts-kaminsky-style/

ISC StormCast for Friday, July 23rd, 2021

July 22, 2021 6:28 5.74 MB Downloads: 0

Akamai Outage https://isc.sans.edu/forums/diary/Lost+in+the+Cloud+Akamai+DNS+Outage/27660/ "Summer of SAM" Continues https://isc.sans.edu/forums/diary/Summer+of+SAM+Microsoft+Releases+Guidance+for+CVE202136934/27656/ Oracle Critical Patch Update https://www.oracle.com/security-alerts/cpujul2021.html Kaseya Decryptor Available https://www.kaseya.com/potential-attack-on-kaseya-vsa/ Jira Data Center and Jira Service Management Data Center Security Advisory https://confluence.atlassian.com/adminjiraserver/jira-data-center-and-jira-service-management-data-center-security-advisory-2021-07-21-1063571388.html Forgot password? Taking over user accounts Kaminsky style https://sec-consult.com/blog/detail/forgot-password-taking-over-user-accounts-kaminsky-style/

ISC StormCast for Thursday, July 22nd, 2021

July 21, 2021 6:34 5.82 MB Downloads: 0

Microsoft Published Summer of SAM Guidance https://isc.sans.edu/forums/diary/Summer+of+SAM+Microsoft+Releases+Guidance+for+CVE202136934/27656/ Apple Patches Everything https://support.apple.com/en-us/HT201222 Formbook/XLoader Malware Ported to Mac https://research.checkpoint.com/2021/top-prevalent-malware-with-a-thousand-campaigns-migrates-to-macos/ Pulse Secure Backdoors https://us-cert.cisa.gov/ncas/current-activity/2021/07/21/malware-targeting-pulse-secure-devices

ISC StormCast for Thursday, July 22nd, 2021

July 21, 2021 6:34 5.82 MB Downloads: 0

Microsoft Published Summer of SAM Guidance https://isc.sans.edu/forums/diary/Summer+of+SAM+Microsoft+Releases+Guidance+for+CVE202136934/27656/ Apple Patches Everything https://support.apple.com/en-us/HT201222 Formbook/XLoader Malware Ported to Mac https://research.checkpoint.com/2021/top-prevalent-malware-with-a-thousand-campaigns-migrates-to-macos/ Pulse Secure Backdoors https://us-cert.cisa.gov/ncas/current-activity/2021/07/21/malware-targeting-pulse-secure-devices

ISC StormCast for Wednesday, July 21st, 2021

July 20, 2021 7:00 6.18 MB Downloads: 0

Windows Registry Hives Permission Problem https://isc.sans.edu/forums/diary/Summer+of+SAM+incorrect+permissions+on+Windows+1011+hives/27652/ HP Printer Drivers Allows Privilege Escalation https://labs.sentinelone.com/cve-2021-3438-16-years-in-hiding-millions-of-printers-worldwide-vulnerable/ Linux Local Privilege Escalation in Filesystem Layer https://blog.qualys.com/vulnerabilities-threat-research/2021/07/20/sequoia-a-local-privilege-escalation-vulnerability-in-linuxs-filesystem-layer-cve-2021-33909 FortiManager and FortiAnalyzer Vulnerability https://www.fortiguard.com/psirt/FG-IR-21-067

ISC StormCast for Wednesday, July 21st, 2021

July 20, 2021 7:00 6.18 MB Downloads: 0

Windows Registry Hives Permission Problem https://isc.sans.edu/forums/diary/Summer+of+SAM+incorrect+permissions+on+Windows+1011+hives/27652/ HP Printer Drivers Allows Privilege Escalation https://labs.sentinelone.com/cve-2021-3438-16-years-in-hiding-millions-of-printers-worldwide-vulnerable/ Linux Local Privilege Escalation in Filesystem Layer https://blog.qualys.com/vulnerabilities-threat-research/2021/07/20/sequoia-a-local-privilege-escalation-vulnerability-in-linuxs-filesystem-layer-cve-2021-33909 FortiManager and FortiAnalyzer Vulnerability https://www.fortiguard.com/psirt/FG-IR-21-067

ISC StormCast for Tuesday, July 20th, 2021

July 19, 2021 5:44 5.12 MB Downloads: 0

New Windows Print Spooler Vulnerability - CVE-2021-34481 https://isc.sans.edu/forums/diary/New+Windows+Print+Spooler+Vulnerability+CVE202134481/27648/ iOS/WatchOS/tvOS/Safari Updates https://support.apple.com/en-us/HT201222 iOS Format String Vulnerability Exploitable as RCE https://blog.zecops.com/research/meet-wifidemon-ios-wifi-rce-0-day-vulnerability-and-a-zero-click-vulnerability-that-was-silently-patched/ Surfside Condo Collapse Scams https://threatpost.com/attackers-target-florida-condo-collapse-victims/167917/

ISC StormCast for Tuesday, July 20th, 2021

July 19, 2021 5:44 5.12 MB Downloads: 0

New Windows Print Spooler Vulnerability - CVE-2021-34481 https://isc.sans.edu/forums/diary/New+Windows+Print+Spooler+Vulnerability+CVE202134481/27648/ iOS/WatchOS/tvOS/Safari Updates https://support.apple.com/en-us/HT201222 iOS Format String Vulnerability Exploitable as RCE https://blog.zecops.com/research/meet-wifidemon-ios-wifi-rce-0-day-vulnerability-and-a-zero-click-vulnerability-that-was-silently-patched/ Surfside Condo Collapse Scams https://threatpost.com/attackers-target-florida-condo-collapse-victims/167917/