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 Wednesday, December 29th, 2021

December 28, 2021 4:54 4.42 MB Downloads: 0

Log4j Vulnerablity CVE-2021-44832 https://logging.apache.org/log4j/2.x/security.html#CVE-2021-44832 LotL Classifiers https://isc.sans.edu/forums/diary/LotL+Classifier+tests+for+shells+exfil+and+miners/28184/ LastPass Credential Stuffing https://www.bleepingcomputer.com/news/security/lastpass-users-warned-their-master-passwords-are-compromised/

ISC StormCast for Wednesday, December 29th, 2021

December 28, 2021 4:54 4.42 MB Downloads: 0

Log4j Vulnerablity CVE-2021-44832 https://logging.apache.org/log4j/2.x/security.html#CVE-2021-44832 LotL Classifiers https://isc.sans.edu/forums/diary/LotL+Classifier+tests+for+shells+exfil+and+miners/28184/ LastPass Credential Stuffing https://www.bleepingcomputer.com/news/security/lastpass-users-warned-their-master-passwords-are-compromised/

ISC StormCast for Tuesday, December 28th, 2021

December 27, 2021 4:41 4.24 MB Downloads: 0

Attackers are Abusing MSBuild to Evade Defenses and Implant Cobalt Strike Beacons https://isc.sans.edu/forums/diary/Attackers+are+abusing+MSBuild+to+evade+defenses+and+implant+Cobalt+Strike+beacons/28180/ Bypassing File Quarantine, Gatekeeper and Notarization Requirements https://objective-see.com/blog/blog_0x6A.html Spider-Miner: Trojanized Version of Spiderman No Way Home https://blog.reasonlabs.com/2021/12/23/spider-miner-with-great-power-comes-great-problems/

ISC StormCast for Tuesday, December 28th, 2021

December 27, 2021 4:41 4.24 MB Downloads: 0

Attackers are Abusing MSBuild to Evade Defenses and Implant Cobalt Strike Beacons https://isc.sans.edu/forums/diary/Attackers+are+abusing+MSBuild+to+evade+defenses+and+implant+Cobalt+Strike+beacons/28180/ Bypassing File Quarantine, Gatekeeper and Notarization Requirements https://objective-see.com/blog/blog_0x6A.html Spider-Miner: Trojanized Version of Spiderman No Way Home https://blog.reasonlabs.com/2021/12/23/spider-miner-with-great-power-comes-great-problems/

ISC StormCast for Monday, December 27th, 2021

December 26, 2021 5:46 5.15 MB Downloads: 0

Log4j/Log4Shell and Cloud Internal Meta Data Services https://isc.sans.edu/forums/diary/log4shell+and+cloud+provider+internal+meta+data+services+IMDS/28168/ https://isc.sans.edu/forums/diary/Defending+Cloud+IMDS+Against+log4shell+and+more/28170/ Log4j/Log4Shell Pushing Crypto Miner https://isc.sans.edu/forums/diary/Example+of+how+attackers+are+trying+to+push+crypto+miners+via+Log4Shell/28172/ Microsoft Vulnerable and Malicious Driver Reporting Center https://www.microsoft.com/security/blog/2021/12/08/improve-kernel-security-with-the-new-microsoft-vulnerable-and-malicious-driver-reporting-center/ Azure Source Code Leak https://blog.wiz.io/azure-app-service-source-code-leak/

ISC StormCast for Monday, December 27th, 2021

December 26, 2021 5:46 5.15 MB Downloads: 0

Log4j/Log4Shell and Cloud Internal Meta Data Services https://isc.sans.edu/forums/diary/log4shell+and+cloud+provider+internal+meta+data+services+IMDS/28168/ https://isc.sans.edu/forums/diary/Defending+Cloud+IMDS+Against+log4shell+and+more/28170/ Log4j/Log4Shell Pushing Crypto Miner https://isc.sans.edu/forums/diary/Example+of+how+attackers+are+trying+to+push+crypto+miners+via+Log4Shell/28172/ Microsoft Vulnerable and Malicious Driver Reporting Center https://www.microsoft.com/security/blog/2021/12/08/improve-kernel-security-with-the-new-microsoft-vulnerable-and-malicious-driver-reporting-center/ Azure Source Code Leak https://blog.wiz.io/azure-app-service-source-code-leak/

ISC StormCast for Thursday, December 23rd, 2021

December 22, 2021 4:00 3.66 MB Downloads: 0

Forensics Challenge Solution https://isc.sans.edu/forums/diary/December+2021+Forensic+Contest+Answers+and+Analysis/28160/ CAB-less 40444 https://news.sophos.com/en-us/2021/12/21/attackers-test-cab-less-40444-exploit-in-a-dry-run/ Ellume COVID Home Test Weakness https://github.com/FSecureLABS/Ellume-COVID-Test_Research-Files

ISC StormCast for Thursday, December 23rd, 2021

December 22, 2021 4:00 3.66 MB Downloads: 0

Forensics Challenge Solution https://isc.sans.edu/forums/diary/December+2021+Forensic+Contest+Answers+and+Analysis/28160/ CAB-less 40444 https://news.sophos.com/en-us/2021/12/21/attackers-test-cab-less-40444-exploit-in-a-dry-run/ Ellume COVID Home Test Weakness https://github.com/FSecureLABS/Ellume-COVID-Test_Research-Files

ISC StormCast for Wednesday, December 22nd, 2021

December 21, 2021 4:59 4.49 MB Downloads: 0

More Undetected PowerShell Droppers https://isc.sans.edu/forums/diary/More+Undetected+PowerShell+Dropper/28158/ Apache Patches https://httpd.apache.org/security/vulnerabilities_24.html Auerswald COMpact Multiple Backdoors https://www.redteam-pentesting.de/en/advisories/rt-sa-2021-007/-auerswald-compact-multiple-backdoors Vulnerabilities in Garrett Metal Detectors https://blog.talosintelligence.com/2021/12/vuln-spotlight-garrett-metal-detector.html#more

ISC StormCast for Wednesday, December 22nd, 2021

December 21, 2021 4:59 4.49 MB Downloads: 0

More Undetected PowerShell Droppers https://isc.sans.edu/forums/diary/More+Undetected+PowerShell+Dropper/28158/ Apache Patches https://httpd.apache.org/security/vulnerabilities_24.html Auerswald COMpact Multiple Backdoors https://www.redteam-pentesting.de/en/advisories/rt-sa-2021-007/-auerswald-compact-multiple-backdoors Vulnerabilities in Garrett Metal Detectors https://blog.talosintelligence.com/2021/12/vuln-spotlight-garrett-metal-detector.html#more

ISC StormCast for Tuesday, December 21st, 2021

December 20, 2021 5:55 5.27 MB Downloads: 0

PowerPoint Atachments: Agent Tesla and Code Reuse in Malware https://isc.sans.edu/forums/diary/PowerPoint+attachments+Agent+Tesla+and+code+reuse+in+malware/28154/ VMWare Workspace ONE Patch / log4j status https://www.vmware.com/security/advisories.html Attacks Against Building Automation https://limessecurity.com/en/knxlock/

ISC StormCast for Tuesday, December 21st, 2021

December 20, 2021 5:55 5.27 MB Downloads: 0

PowerPoint Atachments: Agent Tesla and Code Reuse in Malware https://isc.sans.edu/forums/diary/PowerPoint+attachments+Agent+Tesla+and+code+reuse+in+malware/28154/ VMWare Workspace ONE Patch / log4j status https://www.vmware.com/security/advisories.html Attacks Against Building Automation https://limessecurity.com/en/knxlock/

ISC StormCast for Monday, December 20th, 2021

December 19, 2021 6:31 5.78 MB Downloads: 0

Disaster Recovery Automation Using Public DNS APIs https://isc.sans.edu/forums/diary/DR+Automation+Using+Public+DNS+APIs/28146/ Office 2021: VBA Project Version https://isc.sans.edu/forums/diary/Office+2021+VBA+Project+Version/28150/ Log4j Updates https://www.blumira.com/analysis-log4shell-local-trigger/ https://logging.apache.org/log4j/2.x/security.html

ISC StormCast for Monday, December 20th, 2021

December 19, 2021 6:31 5.78 MB Downloads: 0

Disaster Recovery Automation Using Public DNS APIs https://isc.sans.edu/forums/diary/DR+Automation+Using+Public+DNS+APIs/28146/ Office 2021: VBA Project Version https://isc.sans.edu/forums/diary/Office+2021+VBA+Project+Version/28150/ Log4j Updates https://www.blumira.com/analysis-log4shell-local-trigger/ https://logging.apache.org/log4j/2.x/security.html

ISC StormCast for Friday, December 17th, 2021

December 16, 2021 7:42 6.77 MB Downloads: 0

How the "Contact Forms" Campaign Tricks People https://isc.sans.edu/forums/diary/How+the+Contact+Forms+campaign+tricks+people/28142/ Bluetooth Used to Extract WiFi Secrets https://arxiv.org/pdf/2112.05719.pdf Lenovo Privilege Escalation Vulnerability https://support.lenovo.com/cy/en/product_security/len-75210 https://research.nccgroup.com/2021/12/15/technical-advisory-lenovo-imcontroller-local-privilege-escalation-cve-2021-3922-cve-2021-3969/ Log4j Updates https://github.com/cisagov/log4j-affected-db https://wiki.scn.sap.com/wiki/display/PSR/SAP+Security+Patch+Day+-+December+2021 https://twitter.com/sans_isc/status/1471611522694717445