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, October 19th, 2023
Hiding in Hex https://isc.sans.edu/diary/Hiding%20in%20Hex/30322 Oracle Quarterly Critical Patch Update https://www.oracle.com/security-alerts/cpuoct2023.html Citrix Vulnerability Exploited CVE-2023-4966 https://www.mandiant.com/resources/blog/remediation-netscaler-adc-gateway-cve-2023-4966 Exposed Jupyter Notebooks Exploited https://www.cadosecurity.com/qubitstrike-an-emerging-malware-campaign-targeting-jupyter-notebooks/
ISC StormCast for Wednesday, October 18th, 2023
Changes to SMS Delivery and How it Effects MFA and Phishing https://isc.sans.edu/diary/Changes%20to%20SMS%20Delivery%20and%20How%20it%20Effects%20MFA%20and%20Phishing/30320 Fake Traffic Tickets with QR Code https://twitter.com/polizeiberlin/status/1713867011837567411 Synology NAS DSM Account Takeover: Not Random Randomnumbers https://claroty.com/team82/research/synology-nas-dsm-account-takeover-when-random-is-not-secure Milesight Routers CVe-2023-43261 https://github.com/win3zz/CVE-2023-43261
ISC StormCast for Wednesday, October 18th, 2023
Changes to SMS Delivery and How it Effects MFA and Phishing https://isc.sans.edu/diary/Changes%20to%20SMS%20Delivery%20and%20How%20it%20Effects%20MFA%20and%20Phishing/30320 Fake Traffic Tickets with QR Code https://twitter.com/polizeiberlin/status/1713867011837567411 Synology NAS DSM Account Takeover: Not Random Randomnumbers https://claroty.com/team82/research/synology-nas-dsm-account-takeover-when-random-is-not-secure Milesight Routers CVe-2023-43261 https://github.com/win3zz/CVE-2023-43261
ISC StormCast for Tuesday, October 17th, 2023
Are Typos Still relevant As An Indicator of Phishing https://isc.sans.edu/diary/Are+typos+still+relevant+as+an+indicator+of+phishing/30316 Active Exploitation of Cisco ISO XE Software Web Management User Interface Vuln https://blog.talosintelligence.com/active-exploitation-of-cisco-ios-xe-software/ Mail traffic to cancelled domain names https://www.sidn.nl/en/nl-domain-name/mail-traffic-to-cancelled-domain-names SAMBA Update https://www.samba.org/samba/history/security.html
ISC StormCast for Tuesday, October 17th, 2023
Are Typos Still relevant As An Indicator of Phishing https://isc.sans.edu/diary/Are+typos+still+relevant+as+an+indicator+of+phishing/30316 Active Exploitation of Cisco ISO XE Software Web Management User Interface Vuln https://blog.talosintelligence.com/active-exploitation-of-cisco-ios-xe-software/ Mail traffic to cancelled domain names https://www.sidn.nl/en/nl-domain-name/mail-traffic-to-cancelled-domain-names SAMBA Update https://www.samba.org/samba/history/security.html
ISC StormCast for Monday, October 16th, 2023
What's Normal: Odd Mac Addresses https://isc.sans.edu/forums/diary/What's%20Normal%3A%20MAC%20Addresses/30310/ Domain Name Used as Password Captured by DShield Sensor https://isc.sans.edu/forums/diary/Domain%20Name%20Used%20as%20Password%20Captured%20by%20DShield%20Sensor/30312/ PoC Exploit for CVE-2023-41993 https://github.com/po6ix/POC-for-CVE-2023-41993 AvosLocker Ransomware Details https://www.cisa.gov/sites/default/files/2023-10/aa23-284a-joint-csa-stopransomware-avoslocker-ransomware-update.pdf DarkGate Spreading via Skype and Teams https://www.trendmicro.com/en_ph/research/23/j/darkgate-opens-organizations-for-attack-via-skype-teams.html
ISC StormCast for Monday, October 16th, 2023
What's Normal: Odd Mac Addresses https://isc.sans.edu/forums/diary/What's%20Normal%3A%20MAC%20Addresses/30310/ Domain Name Used as Password Captured by DShield Sensor https://isc.sans.edu/forums/diary/Domain%20Name%20Used%20as%20Password%20Captured%20by%20DShield%20Sensor/30312/ PoC Exploit for CVE-2023-41993 https://github.com/po6ix/POC-for-CVE-2023-41993 AvosLocker Ransomware Details https://www.cisa.gov/sites/default/files/2023-10/aa23-284a-joint-csa-stopransomware-avoslocker-ransomware-update.pdf DarkGate Spreading via Skype and Teams https://www.trendmicro.com/en_ph/research/23/j/darkgate-opens-organizations-for-attack-via-skype-teams.html
ISC StormCast for Friday, October 13th, 2023
SeroXen RAT in Typosquatted NuGet Packages https://blog.phylum.io/phylum-discovers-seroxen-rat-in-typosquatted-nuget-package/ Hexadecimal IP Addresses https://asec.ahnlab.com/en/57635/ Juniper Vulnerabilities https://supportportal.juniper.net/s/global-search/%40uri?language=en_US#sort=%40sfcec_community_publish_date_formula__c%20descending&numberOfResults=50&f:ctype=[Security%20Advisories] Unpatched Squid Vulnerabilities https://joshua.hu/squid-security-audit-35-0days-45-exploits BSIDES Jacksonville https://bsidesjax.org
ISC StormCast for Friday, October 13th, 2023
SeroXen RAT in Typosquatted NuGet Packages https://blog.phylum.io/phylum-discovers-seroxen-rat-in-typosquatted-nuget-package/ Hexadecimal IP Addresses https://asec.ahnlab.com/en/57635/ Juniper Vulnerabilities https://supportportal.juniper.net/s/global-search/%40uri?language=en_US#sort=%40sfcec_community_publish_date_formula__c%20descending&numberOfResults=50&f:ctype=[Security%20Advisories] Unpatched Squid Vulnerabilities https://joshua.hu/squid-security-audit-35-0days-45-exploits BSIDES Jacksonville https://bsidesjax.org
ISC StormCast for Thursday, October 12th, 2023
CVE-2023-22515 Activately Exploited https://confluence.atlassian.com/security/cve-2023-22515-privilege-escalation-vulnerability-in-confluence-data-center-and-server-1295682276.html curl SOCKS5 oversized hostname vulnerability CVe-2023-38545 https://isc.sans.edu/diary/CVE-2023-38545%3A%20curl%20SOCKS5%20oversized%20hostname%20vulnerability.%20How%20bad%20is%20it%3F/30304 Adobe Acrobat Vulnerablity Actively Exploited CVE-2023-21608 https://www.cisa.gov/news-events/alerts/2023/10/10/cisa-adds-five-known-vulnerabilities-catalog Google Makes Passkey the Default https://blog.google/technology/safety-security/passkeys-default-google-accounts/ VBScript Deprecated from Windows https://learn.microsoft.com/en-us/windows/whats-new/deprecated-features
ISC StormCast for Thursday, October 12th, 2023
CVE-2023-22515 Activately Exploited https://confluence.atlassian.com/security/cve-2023-22515-privilege-escalation-vulnerability-in-confluence-data-center-and-server-1295682276.html curl SOCKS5 oversized hostname vulnerability CVe-2023-38545 https://isc.sans.edu/diary/CVE-2023-38545%3A%20curl%20SOCKS5%20oversized%20hostname%20vulnerability.%20How%20bad%20is%20it%3F/30304 Adobe Acrobat Vulnerablity Actively Exploited CVE-2023-21608 https://www.cisa.gov/news-events/alerts/2023/10/10/cisa-adds-five-known-vulnerabilities-catalog Google Makes Passkey the Default https://blog.google/technology/safety-security/passkeys-default-google-accounts/ VBScript Deprecated from Windows https://learn.microsoft.com/en-us/windows/whats-new/deprecated-features
ISC StormCast for Wednesday, October 11th, 2023
http2 rapid reset https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/ microsoft patch tuesday https://isc.sans.edu/diary/October%202023%20Microsoft%20Patch%20Tuesday%20Summary/30300
ISC StormCast for Wednesday, October 11th, 2023
http2 rapid reset https://blog.cloudflare.com/technical-breakdown-http2-rapid-reset-ddos-attack/ microsoft patch tuesday https://isc.sans.edu/diary/October%202023%20Microsoft%20Patch%20Tuesday%20Summary/30300
ISC StormCast for Tuesday, October 10th, 2023
ZIP's DOSTIME and DOSDATE Formats https://isc.sans.edu/diary/ZIP%27s%20DOSTIME%20%26%20DOSDATE%20Formats/30296 New Magecart Campaign Abusing 404 Pages https://www.akamai.com/blog/security-research/magecart-new-technique-404-pages-skimmer Sophos Effected by Exim Flaw https://www.sophos.com/en-us/security-advisories/sophos-sa-20231005-exim-vuln Turn OFF This WatchGuard Feature: GuardLapse https://projectblack.io/blog/turn-off-this-watchguard-feature-guardlapse/
ISC StormCast for Tuesday, October 10th, 2023
ZIP's DOSTIME and DOSDATE Formats https://isc.sans.edu/diary/ZIP%27s%20DOSTIME%20%26%20DOSDATE%20Formats/30296 New Magecart Campaign Abusing 404 Pages https://www.akamai.com/blog/security-research/magecart-new-technique-404-pages-skimmer Sophos Effected by Exim Flaw https://www.sophos.com/en-us/security-advisories/sophos-sa-20231005-exim-vuln Turn OFF This WatchGuard Feature: GuardLapse https://projectblack.io/blog/turn-off-this-watchguard-feature-guardlapse/