Realtek RTL8170C Vulnerabilities https://www.vdoo.com/blog/realtek-wifi-vulnerabilities-zero-day Huawei LTE USB Stick E3372 Vulnerablity https://www.theregister.com/2021/06/02/huawei_lte_usb_stick_vulnerability/ NortonLifeLock Crypto https://investor.nortonlifelock.com/About/Investors/press-releases/press-release-details/2021/NortonLifeLock-Unveils-Norton-Crypto/default.aspx OpenPGP RNP Patch https://www.rnpgp.org/advisories/ri-2021-001/

Guildma is now using Finger and Signed Binary Proxy Execution to Evade Defenses https://isc.sans.edu/forums/diary/Guildma+is+now+using+Finger+and+Signed+Binary+Proxy+Execution+to+evade+defenses/27482/ Bypassing Protected Folders Protections https://dl.acm.org/doi/10.1145/3431286 Firefox 89 Released https://www.mozilla.org/en-US/security/advisories/mfsa2021-23/ Microsoft Edge Will make https default https://blogs.windows.com/msedgedev/2021/06/01/available-for-preview-automatic-https-helps-keep-your-browsing-more-secure/

Malicious PowerShell Hosted on script.google.com https://isc.sans.edu/forums/diary/Malicious+PowerShell+Hosted+on+scriptgooglecom/27468/ Sonicwall Advisory https://www.sonicwall.com/support/product-notification/security-advisory-on-prem-sonicwall-network-security-manager-nsm-command-injection-vulnerability/210525121534120/ Hewlett Packard Enterprise Systems Insight Manger (SIM) Advisory https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbgn04068en_us Memory Protection Bypass in Siemens PLCs https://claroty.com/2021/05/28/blog-research-race-to-native-code-execution-in-plcs/

AV evasion with 64-bit Executables https://isc.sans.edu/forums/diary/All+your+Base+arenearly+equal+when+it+comes+to+AV+evasion+but+64bit+executables+are+not/27466/ Unpatches WebKit Vulnerablity in iOS/macOS https://blog.theori.io/research/webkit-type-confusion/ VSCode Extension Vulnerabilities https://snyk.io/blog/visual-studio-code-extension-security-vulnerabilities-deep-dive/ M1RACLES https://m1racles.com

A Survey of Bluetooth Vulnerabilities https://isc.sans.edu/forums/diary/A+Survey+of+Bluetooth+Vulnerabilities+Trends/27460/ Google Chrome Update https://chromereleases.googleblog.com/2021/05/stable-channel-update-for-desktop_25.html Attacks on PDF Certification https://www.pdf-insecurity.org nginx vulnerability https://x41-dsec.de/lab/advisories/x41-2021-002-nginx-resolver-copy/

Uncovering Shenenigans in an IP Address Block via Hurricane Electic's BGP Toolkit https://isc.sans.edu/forums/diary/Uncovering+Shenanigans+in+an+IP+Address+Block+via+Hurricane+Electrics+BGP+Toolkit/27456/ VMware Advisory https://www.vmware.com/security/advisories/VMSA-2021-0010.html Trend Micro Bugs https://blog.talosintelligence.com/2021/05/vuln-spotlight-trend-i.html

Apple Patches 0-Days https://www.jamf.com/blog/zero-day-tcc-bypass-discovered-in-xcsset-malware/ https://support.apple.com/en-us/HT201222 Bluetooth Vulnerabilities https://kb.cert.org/vuls/id/799380 https://francozappa.github.io/about-bias/publication/antonioli-20-bias/antonioli-20-bias.pdf NAGIOS Vulnerabilities https://skylightcyber.com/2021/05/20/13-nagios-vulnerabilities-7-will-shock-you/

Serverless Phishing Campaign https://isc.sans.edu/forums/diary/Serverless+Phishing+Campaign/27446/ Locking Kernel32.dll As Anti-Debugging Technique https://isc.sans.edu/forums/diary/Locking+Kernel32dll+As+AntiDebugging+Technique/27444/ WinRM Vulnerable to http.sys Vulnerability https://twitter.com/JimDinMN/status/1395071966487269376 Mozilla Firefox "Content-Type Confusion" Unsafe Code Execution https://besteffortteam.it/mozilla-firefox-content-type-confusion-unsafe-code-execution/

New YouTube Video Series: Everything you ever wanted to know about DNS and more https://isc.sans.edu/forums/diary/New+YouTube+Video+Series+Everything+you+ever+wanted+to+know+about+DNS+and+more/27440/ And Ransomware Just Got a Bit Meaner https://isc.sans.edu/forums/diary/And+Ransomware+Just+Got+a+Bit+Meaner+yes+it+is+possible/27438/ Attackers Scanned for Exchange Servers Five Minutes after Patch Release https://www.ehackingnews.com/2021/05/microsoft-exchange-bug-report-allowed.html GPS For Authentication: Is the Juice Worth the Squeeze @sans_edu https://www.sans.org/reading-room/whitepapers/authentication/gps-authentication-juice-worth-squeeze-40270

May 2021 Forensic Contest: Answers and Analysis https://isc.sans.edu/forums/diary/May+2021+Forensic+Contest+Answers+and+Analysis/27430/ CIS Controls V8 https://www.cisecurity.org/controls/v8/ Dell iDRAC 9 Security Update https://www.dell.com/support/kbdoc/en-us/000186420/dsa-2021-082-dell-emc-idrac-9-security-update-for-improper-authentication-vulnerability QNAP Pre-Auth Remote Code Execution in MuscStation/MalwareRemover https://www.shielder.it/advisories/qnap-musicstation-malwareremover-pre-auth-remote-code-execution/

From RunDLL32 to JavaScript then PowerShell https://isc.sans.edu/forums/diary/From+RunDLL32+to+JavaScript+then+PowerShell/27428/ New Pulse Secure VPN Advisory https://kb.pulsesecure.net/articles/Pulse_Security_Advisories/SA44800/ Android Stalkerware Vulnerabilities https://www.welivesecurity.com/2021/05/17/android-stalkerware-threatens-victims-further-exposes-snoopers-themselves/ Double Encrypting Ransomware https://www.wired.com/story/ransomware-double-encryption/

Ransomware Defenses https://isc.sans.edu/forums/diary/Ransomware+Defenses/27420/ AXA Stops Ransomware Payments https://www.insurancejournal.com/news/international/2021/05/09/613255.htm http.sys Proof of Concept https://github.com/0vercl0k/CVE-2021-31166 Google/Mozilla colaborating on HTML Sanitizer API https://wicg.github.io/sanitizer-api/#sanitizer-api SANS Technology Institute Research Journal https://www.sans.edu/cyber-research

"Open" Access to Industrial Systems Interfaces is Also Far From Zero https://isc.sans.edu/forums/diary/Open+Access+to+Industrial+Systems+Interface+is+Also+Far+From+Zero/27418/ Malicious Rust Macro for VSCode https://github.com/lucky/bad_actor_poc Exim PoC Released https://adepts.of0x.cc/exim-cve-2020-28018/ Newly Observed PHP-based skimmmer shows ongoing Magecart Group 12 activity https://blog.malwarebytes.com/cybercrime/2021/05/newly-observed-php-based-skimmer-shows-ongoing-magecart-group-12-activity/

Cross Browser Tracking with Schemeflood https://fingerprintjs.com/blog/external-protocol-flooding/ Cisco AnyConnect Secure Mobility Client Patch https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-anyconnect-ipc-KfQO9QhK MSBuild Abused By Attackers https://www.anomali.com/blog/threat-actors-use-msbuild-to-deliver-rats-filelessly

Number of industrial control systems on the internet is lower then in 2020...but still far from zero https://isc.sans.edu/forums/diary/Number+of+industrial+control+systems+on+the+internet+is+lower+then+in+2020but+still+far+from+zero/27412/ Webcast: Ransoming Critical Infrastructure https://www.sans.org/webcasts/119775 Links to FragAttacks Vendor Bulletins (in German) https://www.heise.de/news/WLAN-Sicherheitsluecken-FragAttacks-Erste-Updates-6045116.html Adobe Acrobat Patches https://helpx.adobe.com/security/products/acrobat/apsb21-29.html Sending Arbitrary Messages via FindMy https://positive.security/blog/send-my

Microsoft Patch Tuesday https://isc.sans.edu/forums/diary/Microsoft+May+2021+Patch+Tuesday/27408 WiFi Fragmentation Attacks https://www.fragattacks.com

Validating IP Addresses: Why Encoding Matters https://isc.sans.edu/forums/diary/Correctly+Validating+IP+Addresses+Why+encoding+matters+for+input+validation/27404/ Jail Breaking AirTags https://twitter.com/ghidraninja/status/1391148503196438529 Malicious Tor Exit Relay Activities https://nusenu.medium.com/tracking-one-year-of-malicious-tor-exit-relay-activities-part-ii-85c80875c5df

Who is Probing the Internet for Research Purposes https://isc.sans.edu/forums/diary/Who+is+Probing+the+Internet+for+Research+Purposes/27400/ Cycle Hunter and tsuNAME DDoS Attack https://github.com/SIDN/CycleHunter https://tsuname.io/tech_report.pdf Foxit Reader / Phantom PDF Vulnerabilities https://www.foxitsoftware.com/support/security-bulletins.html?Security+updates+available+in+Foxit+Reader+10.1.4+and+Foxit+PhantomPDF+10.1.42021-05-06 Hypocrit Patches Reviewed By Linux Foundation https://lore.kernel.org/lkml/202104221451.292A6ED4@keescook/

Scans for Exposed Azure Storage Containers https://isc.sans.edu/forums/diary/Exposed+Azure+Storage+Containers/27396/ Qualcomm MSM Vulnerability https://research.checkpoint.com/2021/security-probe-of-qualcomm-msm/ Google to Automatically enroll users in 2SF https://blog.google/technology/safety-security/a-simpler-and-safer-future-without-passwords/ New Cellebrite Vulnerabilities Announced https://www.ehackingnews.com/2021/05/new-vulnerabilities-in-cellebrites.html

May 2021 Forensic Contest https://isc.sans.edu/forums/diary/May+2021+Forensic+Contest/27386/ Windows Defender Bug Fills Windows 10 Boot Drive with thousands of files https://www.bleepingcomputer.com/news/microsoft/windows-defender-bug-fills-windows-10-boot-drive-with-thousands-of-files/ VMWare vRealize Business for Cloud Patch https://kb.vmware.com/s/article/83475 Cisco Updates SD-WAN vManager / HyperFlex HX https://tools.cisco.com/security/center/publicationListing.x?product=Cisco&sort=-day_sir&limit=100#~Vulnerabilities Security and Privacy Risks of Number Recycling at Mobile Carriers in the US https://recyclednumbers.cs.princeton.edu