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 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-vulnerability/ Corsair Bug not causing keystroke logging https://arstechnica.com/gadgets/2022/12/corsair-says-bug-not-keylogger-behind-some-k100-keyboards-creepy-behavior/ SentinelSneak: Malicious PyPi module poses as security software development kit
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-vulnerability/ Corsair Bug not causing keystroke logging https://arstechnica.com/gadgets/2022/12/corsair-says-bug-not-keylogger-behind-some-k100-keyboards-creepy-behavior/ SentinelSneak: Malicious PyPi module poses as security software development kit
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/enemy-within-unauthenticated-buffer-overflows-zyxel-routers/
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/enemy-within-unauthenticated-buffer-overflows-zyxel-routers/
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-cryptographic-algorithm
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-cryptographic-algorithm
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-security-mechanism/ VMWare EHCI Controller Vulnerability CVE-2022-31705 https://www.vmware.com/security/advisories/VMSA-2022-0033.html Veem Vulnerability now Exploited https://www.veeam.com/kb4288 nuget / npm / pypi used to host phishing pages https://checkmarx.com/blog/how-140k-nuget-npm-and-pypi-packages-were-used-to-spread-phishing-links/
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-security-mechanism/ VMWare EHCI Controller Vulnerability CVE-2022-31705 https://www.vmware.com/security/advisories/VMSA-2022-0033.html Veem Vulnerability now Exploited https://www.veeam.com/kb4288 nuget / npm / pypi used to host phishing pages https://checkmarx.com/blog/how-140k-nuget-npm-and-pypi-packages-were-used-to-spread-phishing-links/
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/
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/
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
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
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.org/Software%20Security/Standard/PCI-Secure-Software-Standard-v1_2.pdf VMWare/VCenter Patches https://www.vmware.com/security/advisories/VMSA-2022-0030.html
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.org/Software%20Security/Standard/PCI-Secure-Software-Standard-v1_2.pdf VMWare/VCenter Patches https://www.vmware.com/security/advisories/VMSA-2022-0030.html
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/center/content/CiscoSecurityAdvisory/cisco-sa-ipp-oobwrite-8cMF5r7U daloRADIUS Vulnerablity CVE-2022-23475 https://securityonline.info/cve-2022-23475-account-take-over-flaw-in-open-source-radius-web-management-app/ SANS Holiday Hack Challenge https://www.sans.org/mlp/holiday-hack-challenge/