SANS Daily Stormcast

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Johannes Ullrich

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.

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Recent Episodes

ISC StormCast for Thursday, June 11th 2020 June 10, 2020

Job Application Themed Malspam Pushes ZLoader https://isc.sans.edu/forums/diary/Job+applicationthemed+malspam+pushes+ZLoader/26222/ More Expiring Root CAs https://scotthelme.co.uk/impending-doom-root-ca-expiring-legacy-clients/ Black Lives Matter Themed Malware https://www.bleepingcomputer.com/news/security/fake-black-lives-matter-voting-campaign-spreads-trickbot-malware/

ISC StormCast for Wednesday, June 10th 2020 June 09, 2020

Microsoft Patch Day https://isc.sans.edu/forums/diary/Microsoft+June+2020+Patch+Tuesday/26220/ SMBleed https://github.com/ZecOps/CVE-2020-1206-POC Adobe Patches https://helpx.adobe.com/security.html Intel Patch Day https://blogs.intel.com/technology/2020/06/ipas-security-advisories-for-june-2020/?linkId=100000012832617

ISC StormCast for Tuesday, June 9th 2020 June 08, 2020

Translating BASE64 Obfuscated Scripts https://isc.sans.edu/forums/diary/Translating+BASE64+Obfuscated+Scripts/26214/ Fake Ransomware Decryptor https://www.bleepingcomputer.com/news/security/fake-ransomware-decryptor-double-encrypts-desperate-victims-files/ GNUTLS TLS 1.3 Machine in the Middle https://gitlab.com/gnutls/gnutls/-/issues/1011 CallStranger UPNP Vulnerability https://callstranger.com/ Shellcode Analysis 101 https://www.sans.org/webcasts/sansatmic-shellcode-analysis-101-114160

ISC StormCast for Monday, June 8th 2020 June 07, 2020

PHP FastCGI Attacks https://isc.sans.edu/forums/diary/Not+so+FastCGI/26208/ Protest Cybersecurity https://isc.sans.edu/forums/diary/Cyber+Security+for+Protests/26210/ uBlock Origin Blocks Portscans https://www.bleepingcomputer.com/news/security/ublock-origin-ad-blocker-now-blocks-port-scans-on-most-sites/ QNAP Vulnerability https://www.qnap.com/en/security-advisory/qsa-20-01

ISC StormCast for Friday, June 5th 2020 June 04, 2020

Anti-Debugging Technique Based on Memory Protection https://isc.sans.edu/forums/diary/AntiDebugging+Technique+based+on+Memory+Protection/26200/ Suspending Suspicious Domain Feed/Update to Researcher IP Feed https://isc.sans.edu/forums/diary/Suspending+Suspicious+Domain+Feed+Update+to+Researcher+IP+Feed/26204/ Bank Transaction Comments Used for Abusive Messages https://www.theregister.com/2020/06/04/commonwealth_bank_bans_indecent_transaction_descriptions/ Android Security Bulletin https://source.android.com/security/bulletin/2020-06-01 Android Wallpaper Crash https://www.androidauthority.com/android-wallpaper-crash-1124577/ STI Research Paper: Janusz Pazgier; Efficacy of UNIX HIDS https://www.sans.org/reading-room/whitepapers/detection/efficacy-unix-hids-39565

ISC StormCast for Thursday, June 4th 2020 June 03, 2020

Polish Malspam Pushes ZLoader Malware https://isc.sans.edu/forums/diary/Polish+malspam+pushes+ZLoader+malware/26196/ Cisco Patches IP-in-IP Flaw https://securityaffairs.co/wordpress/104192/security/ip-in-ip-flaw-cisco.html Zoom Fixes Two Critical Flaws https://blog.talosintelligence.com/2020/06/vuln-spotlight-zoom-code-execution-june-2020.html Firefox Disables Automatic DNS over HTTPS Selection to Prevent DDoS https://www.mozilla.org/en-US/firefox/77.0.1/releasenotes/

ISC StormCast for Wednesday, June 3rd 2020 June 02, 2020

Type 2 Strackstrings https://isc.sans.edu/forums/diary/Stackstrings+type+2/26192/ More Details About AddTrust External CA Root Expiration https://www.agwa.name/blog/post/fixing_the_addtrust_root_expiration VMWare Cloud Director Vulnerability and Exploit https://citadelo.com/en/blog/full-infrastructure-takeover-of-vmware-cloud-director-CVE-2020-3956/

ISC StormCast for Tuesday, June 2nd 2020 June 01, 2020

Apple Patches Unc0ver https://support.apple.com/en-us/HT201222 Office 365 Adds Details About Malicious E-Mail Attachments https://www.microsoft.com/en-us/microsoft-365/roadmap?filters=&searchterms=64570 Impact of Research on Our Data https://isc.sans.edu/forums/diary/The+Impact+of+Researchers+on+Our+Data/26182/

ISC StormCast for Monday, June 1st 2020 May 31, 2020

Sectigo AddTrust CA Expired https://support.sectigo.com/articles/Knowledge/Sectigo-AddTrust-External-CA-Root-Expiring-May-30-2020 Critical Sign In With Apple Flaw https://bhavukjain.com/blog/2020/05/30/zeroday-signin-with-apple/ DABANGG: Refined Flush Based Cache Attacks https://www.cse.iitk.ac.in/users/biswap/DABANGG.pdf New Website Explaining FIDO https://loginwithfido.com/

ISC StormCast for Friday, May 29th 2020 May 28, 2020

USBFuzz Finds Numerous USB Flaws https://www.nebelwelt.net/files/20SEC3.pdf Cisco Products Vulnerable to Saltstack Vulnerability https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-salt-2vx545AG Another Nail in the Coffin for SHA-1 https://eprint.iacr.org/2020/014.pdf STI Student: Andy Piazza; Qualifying Threat Actor Assessments https://www.sans.org/reading-room/whitepapers/threatintelligence/paper/39585

ISC StormCast for Thursday, May 28th 2020 May 27, 2020

Phishing With Google Cloud https://isc.sans.edu/forums/diary/Frankensteins+phishing+using+Google+Cloud+Storage/26174/ Trend Micro AntiVirus Blocked by Microsoft https://billdemirkapi.me/How-to-use-Trend-Micro-Rootkit-Remover-to-Install-a-Rootkit/ Netgear Nighthawk Firmware Update Vulnerability https://iot-lab-fh-ooe.github.io/netgear_update_vulnerability/

ISC StormCast for Wednesday, May 27th 2020 May 26, 2020

Where is SHA3 https://isc.sans.edu/forums/diary/Seriously+SHA3+where+art+thou/26170/ Apple Updates https://support.apple.com/en-us/HT201222 Google ZDI Releases Details Regarding Unpatched Windows Vulnerabilities https://www.zerodayinitiative.com/advisories/ZDI-20-666/ https://www.zerodayinitiative.com/advisories/ZDI-20-665/ https://www.zerodayinitiative.com/advisories/ZDI-20-663/ https://www.zerodayinitiative.com/advisories/ZDI-20-662/ https://www.zerodayinitiative.com/advisories/ZDI-20-664/ Research into Phish Detection https://medium.com/@curtbraz/these-arent-the-phish-you-re-looking-for-7374c3986af5

ISC StormCast for Tuesday, May 26th 2020 May 26, 2020

Malicious PowerPoint Add-Ins Deliver Malware https://isc.sans.edu/forums/diary/AgentTesla+Delivered+via+a+Malicious+PowerPoint+AddIn/26162/ Virtual Machine Delivers Malware https://news.sophos.com/en-us/2020/05/21/ragnar-locker-ransomware-deploys-virtual-machine-to-dodge-security/ iOS Patch Analysis https://blog.zecops.com/vulnerabilities/hidden-demons-maildemon-patch-analysis-ios-13-4-5-beta-vs-ios-13-5/ eBay Port Scanning https://www.ghacks.net/2020/05/25/ebay-is-port-scanning-your-system-when-you-load-the-webpage/ iPhone Jailbreak https://thehackernews.com/2020/05/iphone-ios-jailbreak-tools.html SANSFIRE https://isc.sans.edu/sansfire

ISC StormCast for Friday, May 22nd 2020 May 21, 2020

Malware Triage with FLOSS: API Calls Based Behavior https://isc.sans.edu/forums/diary/Malware+Triage+with+FLOSS+API+Calls+Based+Behavior/26156/ Verizon Breach Report https://enterprise.verizon.com/resources/reports/dbir/ Apple Updates https://support.apple.com/en-us/HT201222 Sophos Firewall Vulnerability Exploit https://news.sophos.com/en-us/2020/05/21/asnarok2/

ISC StormCast for Thursday, May 21st 2020 May 20, 2020

IceID Malware Update https://isc.sans.edu/forums/diary/Microsoft+Word+document+with+malicious+macro+pushes+IcedID+Bokbot/26146/ NXNSAttack DNS Amplification https://www.nxnsattack.com/ https://en.blog.nic.cz/2020/05/19/nxnsattack-upgrade-resolvers-to-stop-new-kind-of-random-subdomain-attack/ Adobe Updates https://helpx.adobe.com/security.html

ISC StormCast for Wednesday, May 20th 2020 May 19, 2020

Spike of Scans for Port 62234 https://isc.sans.edu/forums/diary/What+is+up+on+Port+62234/26144/ Cisco Patches https://tools.cisco.com/security/center/publicationListing.x https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-asaftd-info-disclose-9eJtycMB Google Chrome 83 Released https://chromereleases.googleblog.com/ QNAP Vulnerability Details Released https://medium.com/bugbountywriteup/qnap-pre-auth-root-rce-affecting-450k-devices-on-the-internet-d55488d28a05 ISC YouTube Channel https://www.youtube.com/channel/UCfbOsqPmWg1H_34hTjKEW2A

ISC StormCast for Tuesday, May 19th 2020 May 18, 2020

Antivirus & Multiple Detections https://isc.sans.edu/forums/diary/Antivirus+Multiple+Detections/26134/ Office 365 Returning Search Results from Other Organizations https://www.theregister.co.uk/2020/05/18/microsoft_office_365_internal_search_mixup/ MagicPairing Vulnerabilities https://arxiv.org/pdf/2005.07255.pdf BIAS: Bluetooth Impersonation AttackS https://francozappa.github.io/about-bias/

ISC StormCast for Monday, May 18th 2020 May 17, 2020

OWA Scans https://isc.sans.edu/forums/diary/Scanning+for+Outlook+Web+Access+OWA+Microsoft+Exchange+Control+Panel+ECP/26132/ Edison iOS E-Mail Client Leaks Data https://www.theverge.com/2020/5/16/21260967/edison-mail-update-ios-security-bug COMpfun Malware Uses Status Codes to Communicate https://securelist.com/compfun-http-status-based-trojan/96874/ PAN OS Patches https://securityaffairs.co/wordpress/103265/security/palo-alto-networks-pan-os-flaws.html

ISC StormCast for Friday, May 15th 2020 May 14, 2020

Rethinking Severity https://isc.sans.edu/forums/diary/Patch+Tuesday+Revisited+CVE20201048+isnt+as+Medium+as+MS+Would+Have+You+Believe/26124/ Top Exploited Vulnerabilities https://www.us-cert.gov/ncas/alerts/aa20-133a Zerodium Drops Payouts For iOS/Safari Exploits https://twitter.com/Zerodium/status/1260541578747064326?s=20 BigIP Edge Client Vulenrability https://support.f5.com/csp/article/K20346072

ISC StormCast for Thursday, May 14th 2020 May 13, 2020

Malspam with Links to ZIP Archives Pushes Dridex Malware https://isc.sans.edu/forums/diary/Malspam+with+links+to+zip+archives+pushes+Dridex+malware/26116/ Ramsay Cyber Espionage Toolkit https://www.welivesecurity.com/2020/05/13/ramsay-cyberespionage-toolkit-airgapped-networks/ Windows DNS over HTTPS Preview https://techcommunity.microsoft.com/t5/networking-blog/windows-insiders-can-now-test-dns-over-https/ba-p/1381282# ISC Handler Series (SANSFIRE) https://www.sans.org/event/sansfire-2020/bonus-sessions/

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