Undetected Powershell Backdoor https://isc.sans.edu/forums/diary/Simple+but+Undetected+PowerShell+Backdoor/28138/ Adobe Security Updates https://helpx.adobe.com/security.html Remote Deserialization Bug in Microsoft RDP Client Through Smart Card Extension https://thalium.github.io/blog/posts/deserialization-bug-through-rdp-smart-card-extension/ Webkit Bug Exploitable in PS4 https://arstechnica.com/gaming/2021/12/new-ps4-homebrew-exploit-points-to-similar-ps5-hacks-to-come/...
Dec 16, 2021•6 min•Ep 7798•Transcript available on Metacast Microsoft Patches https://isc.sans.edu/forums/diary/Microsoft+December+2021+Patch+Tuesday/28132/ Log4j Updates https://isc.sans.edu/forums/diary/Log4j+2150+and+previously+suggested+mitigations+may+not+be+enough/28134/ Log4j Scanner https://github.com/dtact/divd-2021-00038--log4j-scanner Apple Updates https://support.apple.com/en-us/HT201222...
Dec 15, 2021•5 min•Ep 7796•Transcript available on Metacast Log4Shell Becoming Part of the Day to Day Grind https://isc.sans.edu/forums/diary/Log4Shell+exploited+to+implant+coin+miners/28124/ https://www.youtube.com/watch?v=oC2PZB5D3Ys Google Chrome Update https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop_13.html Malicious PyPi Packages https://medium.com/ochrona/3-new-malicious-packages-found-on-pypi-a6bbb14b5e2...
Dec 14, 2021•5 min•Ep 7794•Transcript available on Metacast Remote Code Execution in log4j2 https://isc.sans.edu/forums/diary/RCE+in+log4j+Log4Shell+or+how+things+can+get+bad+quickly/28120/ Log4j Zero Day https://www.lunasec.io/docs/blog/log4j-zero-day/ Log4j2/Log4Shell Followup: What we see and how to defend and how to access our data https://isc.sans.edu/forums/diary/Log4j+Log4Shell+Followup+What+we+see+and+how+to+defend+and+how+to+access+our+data/28122/ Log4Shell Vendor Bulletins https://gist.github.com/SwitHak/b66db3a06c2955a9cb71a8718970c592...
Dec 13, 2021•8 min•Ep 7792•Transcript available on Metacast Phishing Direct Messages via Discord https://isc.sans.edu/forums/diary/Phishing+Direct+Messages+via+Discord/28114/ Vulnerable Microtik Routers https://eclypsium.com/2021/12/09/when-honey-bees-become-murder-hornets/ log4j RCE 0-day https://www.lunasec.io/docs/blog/log4j-zero-day/ Sonicwall SMA 100 Patch https://www.sonicwall.com/support/product-notification/product-security-notice-sma-100-series-vulnerability-patches-q4-2021/211201154715443/...
Dec 10, 2021•7 min•Ep 7790•Transcript available on Metacast December 2021 Forensic Challenge https://isc.sans.edu/forums/diary/December+2021+Forensic+Challenge/28108/ Microsoft and GitHub OAuth Implementation Vulnerabilities Lead to Redirection Attacks https://www.proofpoint.com/us/blog/cloud-security/microsoft-and-github-oauth-implementation-vulnerabilities-lead-redirection Android Patch Day https://source.android.com/security/bulletin/2021-12-01?hl=en...
Dec 09, 2021•6 min•Ep 7788•Transcript available on Metacast Webshells, Webshells everywhere! https://isc.sans.edu/forums/diary/Webshells+Webshells+everywhere/28106/ AWS Outage https://status.aws.amazon.com Misconfigured Kafdrop Puts Companies' Apache Kafka Completely Exposed https://spectralops.io/blog/misconfigured-kafdrop-puts-companies-apache-kafka-completely-exposed/ Windows 10 RCE: The exploit is in the link https://positive.security/blog/ms-officecmd-rce XSinator.com: From a Formal Model to the Automatic Evaluation of Cross-Site Leaks in Web Browse...
Dec 08, 2021•6 min•Ep 7786•Transcript available on Metacast The Importance of Out of Band Networks https://isc.sans.edu/forums/diary/The+Importance+of+OutofBand+Networks/28102/ Kaseya Unitrends Backup Appliance Updates https://helpdesk.kaseya.com/hc/en-gb/articles/4412762258961 Is KAX17 Performing De-Anonymization Attacks Against Tor Users? https://nusenu.medium.com/is-kax17-performing-de-anonymization-attacks-against-tor-users-42e566defce8 Google Chrome Update No 0-Days https://chromereleases.googleblog.com/2021/12/stable-channel-update-for-desktop.html...
Dec 07, 2021•6 min•Ep 7784•Transcript available on Metacast The UPX Packer will never die https://isc.sans.edu/forums/diary/The+UPX+Packer+Will+Never+Die/28096/ Survey of Airgap Attacks https://www.welivesecurity.com/2021/12/01/jumping-air-gap-15-years-nation-state-effort/ Ubiquity Victim of Insider Extortion https://www.justice.gov/usao-sdny/pr/former-employee-technology-company-charged-stealing-confidential-data-and-extorting...
Dec 06, 2021•5 min•Ep 7782•Transcript available on Metacast TA551 (Shathak) Pushes IcedID (Bokbot) https://isc.sans.edu/forums/diary/TA551+Shathak+pushes+IcedID+Bokbot/28092/ pip-audit scanning Python packages for known vulnerabilities https://pypi.org/project/pip-audit/ Wifi Router Flaws https://www.iot-inspector.com/blog/router-security-check-2021/ SANS Holiday Hack Challenge https://www.sans.org/mlp/holiday-hack-challenge/...
Dec 03, 2021•14 min•Ep 7780•Transcript available on Metacast Info-Stealer Using webhook.site to Exfiltrate Data https://isc.sans.edu/forums/diary/InfoStealer+Using+webhooksite+to+Exfiltrate+Data/28088/ Mozilla NSS Library Vulnerability https://bugs.chromium.org/p/project-zero/issues/detail?id=2237 EwDoor Botnet is Attacking AT&T Customers https://blog.netlab.360.com/warning-ewdoor-botnet-is-attacking-att-customers/ JAMF Pro 10.32 Patch https://community.jamf.com/t5/jamf-pro/what-s-new-in-jamf-pro-10-32-release/m-p/246505...
Dec 02, 2021•6 min•Ep 7778•Transcript available on Metacast Hunting for PHPUnit Installed via Composer https://isc.sans.edu/forums/diary/Hunting+for+PHPUnit+Installed+via+Composer/28084/ Microsoft Defender Scares Admins with Emotet False Positivies https://www.bleepingcomputer.com/news/microsoft/microsoft-defender-scares-admins-with-emotet-false-positives/ Printing Shellz HP Printer Vulnerabilities https://blog.f-secure.com/hp-printer-vulnerabilities/?_ga=2.125707850.1160056027.1638325485-2056233716.1638325485 Unpatched Local Privilege Escalation in Mobi...
Dec 01, 2021•6 min•Ep 7776•Transcript available on Metacast Wireshark 3.6.0 Released https://isc.sans.edu/forums/diary/Wireshark+360+Released/28076/ Google Cloud Security Report https://services.google.com/fh/files/misc/gcat_threathorizons_full_nov2021.pdf Zoom Patch https://explore.zoom.us/en/trust/security/security-bulletin/ Slack DNSSEC Experience Reports https://slack.engineering/what-happened-during-slacks-dnssec-rollout/...
Nov 30, 2021•5 min•Ep 7774•Transcript available on Metacast Phishing Pages Hiding Itself Using Dynamically Adjusted IP Based Allow List https://isc.sans.edu/forums/diary/Phishing+page+hiding+itself+using+dynamically+adjusted+IPbased+allow+list/28070/ Trickbot Phishing Checks Screen Resolution to Evade Researchers https://www.bleepingcomputer.com/news/security/trickbot-phishing-checks-screen-resolution-to-evade-researchers/ QNAP QVR Patch https://www.qnap.com/de-de/security-advisory/qsa-21-51 CronRAT Malware Hiding in cron https://sansec.io/research/cronr...
Nov 29, 2021•6 min•Ep 7772•Transcript available on Metacast YARA Rule for OOXML Maldocs: Less False Positives https://isc.sans.edu/forums/diary/YARA+Rule+for+OOXML+Maldocs+Less+False+Positives/28066/ Zero-Day Windows Installer Exploit https://www.bleepingcomputer.com/news/security/malware-now-trying-to-exploit-new-windows-installer-zero-day/ VMWare VCenter Vulnerability and Patch https://www.vmware.com/security/advisories/VMSA-2021-0027.html...
Nov 24, 2021•3 min•Ep 7770•Transcript available on Metacast Simple YARA Rules for Office Maldocs https://isc.sans.edu/forums/diary/Simple+YARA+Rules+for+Office+Maldocs/28062/ Retailers Urged to Patch Magento https://www.theregister.com/2021/11/22/ncsc_magento_updates_black_friday_reminder/ PoC of CVE-2021-42321: pop mspaint.exe on the target https://gist.github.com/testanull/0188c1ae847f37a70fe536123d14f398 BeC Via Exchange Flaws https://www.trendmicro.com/en_us/research/21/k/Squirrelwaffle-Exploits-ProxyShell-and-ProxyLogon-to-Hijack-Email-Chains.html W...
Nov 23, 2021•4 min•Ep 7768•Transcript available on Metacast Hikvision Security Cameras Potentially Exposed to Remote Code Execution https://isc.sans.edu/forums/diary/Hikvision+Security+Cameras+Potentially+Exposed+to+Remote+Code+Execution/28056/ Detecting PAM Backdoors https://isc.sans.edu/forums/diary/Backdooring+PAM/28058/ Rusted Anchors: A National Client-Side View of Hidden Root CAs in the Web PKI Ecosystem https://dl.acm.org/doi/pdf/10.1145/3460120.3484768 CVE-2021-42306 CredManifest: App Registration Certificates Stored in Azure Active Directory htt...
Nov 22, 2021•5 min•Ep 7766•Transcript available on Metacast JavaScript Downloader Delivers Agent Tesla Trojan https://isc.sans.edu/forums/diary/JavaScript+Downloader+Delivers+Agent+Tesla+Trojan/28050/ Exposed Firefox cookies.sqlite Databases https://www.theregister.com/2021/11/18/firefox_cookies_github/ FBI Warns of Fatpipe VPN Exploits https://www.ic3.gov/Media/News/2021/211117-2.pdf Abusing ClouDNS https://blog.netlab.360.com/the-pitfall-of-threat-intelligence-whitelisting-specter-botnet-is-taking-over-top-legit-dns-domains-by-using-cloudns-service/...
Nov 19, 2021•7 min•Ep 7764•Transcript available on Metacast DDS Protocol Implementation Vulnerabilities https://us-cert.cisa.gov/ics/advisories/icsa-21-315-02 Siemens TCP/IP Flaws https://www.forescout.com/blog/new-critical-vulnerabilities-found-on-nucleus-tcp-ip-stack/ Netgear UPNP Stack Based Buffer Overflow https://blog.grimm-co.com/2021/11/seamlessly-discovering-netgear.html...
Nov 18, 2021•5 min•Ep 7762•Transcript available on Metacast Emotet Returns https://isc.sans.edu/forums/diary/Emotet+Returns/28044/ GitHub Improves npm Security https://github.blog/2021-11-15-githubs-commitment-to-npm-ecosystem-security/ Intel CPU Debug Vulnerability https://www.ptsecurity.com/ww-en/about/news/positive-technologies-discovers-vulnerability-in-intel-processors-used-in-laptops-cars-and-other-devices/ https://www.intel.com/content/www/us/en/security-center/advisory/intel-sa-00528.html Home Router Vulnerability Listing https://modemly.com/m1/p...
Nov 17, 2021•7 min•Ep 7760•Transcript available on Metacast Microsoft Emergency Update fixes AD Authentication Problems https://support.microsoft.com/en-us/topic/november-14-2021-kb5008601-os-build-14393-4771-out-of-band-c8cd33ce-3d40-4853-bee4-a7cc943582b9 Using Copy Paste to Change Microsoft AD Password https://isc.sans.edu/forums/diary/Changing+your+AD+Password+Using+the+Clipboard+Not+as+Easy+as+Youd+Think/28036/ Parking Pages Used to Distrbute Malware https://blog.netlab.360.com/zhatuniubility-malware-uses-namesilo-parking-pages-and-googles-custom-pa...
Nov 16, 2021•7 min•Ep 7758•Transcript available on Metacast Not So Fake FBI E-Mails https://www.fbi.gov/news/pressrel/press-releases/fbi-statement-on-incident-involving-fake-emails https://isc.sans.edu/forums/diary/External+Email+System+FBI+Compromised+Sending+Out+Fake+Warnings/28034/ https://twitter.com/spamhaus/status/1459450061696417792 Reversing Obfuscated Maldoc with BASE64 https://isc.sans.edu/forums/diary/Obfuscated+Maldoc+Reversed+BASE64/28030/ Zoom Updates https://explore.zoom.us/en/trust/security/security-bulletin/ VMWare VCenter Update https:/...
Nov 15, 2021•6 min•Ep 7756•Transcript available on Metacast In Memory of Alan Paller. Cyber Security Industry Titan and SANS Institute Founder https://www.sans.org/press/announcements/alan-paller-cyber-security-industry-titan-and-sans-institute-founder-passes-away/ https://isc.sans.edu/forums/diary/In+Memory+of+Alan+Paller/28026/...
Nov 12, 2021•3 min•Ep 7754•Transcript available on Metacast Shadow IT Makes People More Vulnerable to Phishing https://isc.sans.edu/forums/diary/Shadow+IT+Makes+People+More+Vulnerable+to+Phishing/28022/ PaloAlto Networks GlobalProtect VPN CVE-2021-3064 https://www.randori.com/blog/cve-2021-3064/?i=2 Citrix ADC/Gateway/SD-WAN WANOP Patch https://support.citrix.com/article/CTX330728 HPE Aruba Breach https://www.arubanetworks.com/support-services/security-bulletins/central-incident-faq/ LiveStream: Application Security; Web Apps, APIs & Microservices youtu....
Nov 11, 2021•7 min•Ep 7752•Transcript available on Metacast Microsoft November 2021 Patch Tuesday https://isc.sans.edu/forums/diary/Microsoft+November+2021+Patch+Tuesday/28018/ Adobe Patches https://helpx.adobe.com/security.html BusyBox Vulnerabilities https://jfrog.com/blog/unboxing-busybox-14-new-vulnerabilities-uncovered-by-claroty-and-jfrog/...
Nov 10, 2021•7 min•Ep 7750•Transcript available on Metacast (Ab)Using Security Tools & Controls for the Bad https://isc.sans.edu/forums/diary/AbUsing+Security+Tools+Controls+for+the+Bad/28014/ Targeted Attack Campaign Against ManageEngine ADSelfService Plus https://unit42.paloaltonetworks.com/manageengine-godzilla-nglite-kdcsponge/ Image-Scaling Attacks in Machine Learning https://www.usenix.org/system/files/sec20fall_quiring_prepub.pdf...
Nov 09, 2021•7 min•Ep 7748•Transcript available on Metacast Decyprting Cobalt Strike Traffic With Keys Extracted From Process Memory https://isc.sans.edu/forums/diary/Decrypting+Cobalt+Strike+Traffic+With+Keys+Extracted+From+Process+Memory/28006/ XMount for Disk Images https://isc.sans.edu/forums/diary/Xmount+for+Disk+Images/28002/ More Proactive SIMs https://medium.com/telecom-expert/more-proactive-sims-f8da2ef8b189 Thunderbird Update https://www.mozilla.org/en-US/security/advisories/mfsa2021-50/...
Nov 08, 2021•5 min•Ep 7746•Transcript available on Metacast October 2021 Forensic Contest Answers and Analysis https://isc.sans.edu/forums/diary/October+2021+Forensic+Contest+Answers+and+Analysis/27998/ CVE-2021-43267: Remote Linux Kernel Heap Overflow in TIPC Module https://www.sentinelone.com/labs/tipc-remote-linux-kernel-heap-overflow-allows-arbitrary-code-execution/ Cisco Patches https://tools.cisco.com/security/center/publicationListing.x The Security Risk of Lacking Compiler Protection in WebAssembly https://arxiv.org/abs/2111.01421...
Nov 05, 2021•7 min•Ep 7744•Transcript available on Metacast Gitlab CVE-2021-22205 Exploited (and often not patched) https://www.rapid7.com/blog/post/2021/11/01/gitlab-unauthenticated-remote-code-execution-cve-2021-22205-exploited-in-the-wild/ New Proxy Shell Exploits Seen Against Exchange https://blog.talosintelligence.com/2021/11/babuk-exploits-exchange.html Blackmatter Shutting Down Again https://www.bleepingcomputer.com/news/security/blackmatter-ransomware-moves-victims-to-lockbit-after-shutdown/ Android 0-Day Patched https://source.android.com/securi...
Nov 04, 2021•5 min•Ep 7742•Transcript available on Metacast Revisiting BrakTooth: Two Months Later https://isc.sans.edu/forums/diary/Revisiting+BrakTooth+Two+Months+Later/27992/ Escalating XSS to Sainthood with Nagios https://blog.grimm-co.com/2021/11/escalating-xss-to-sainthood-with-nagios.html Pentaho Business Analytics Vulnerablity https://hawsec.com/publications/pentaho/HVPENT210401-Pentaho-BA-Security-Assessment-Report-v1_1.pdf...
Nov 03, 2021•6 min•Ep 7740•Transcript available on Metacast