SANS Internet Stormcenter Daily Cyber Security Podcast (Stormcast)

Johannes B. Ullrich
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Sep 12, 2022 • 9min

ISC StormCast for Monday, September 12th, 2022

Malware Abusing File Exchange Site https://isc.sans.edu/diary/Phishing+Word+Documents+with+Suspicious+URL/29034 Bypassing GitHub Required Reviewers to Submit Malicious Code https://www.legitsecurity.com/blog/bypassing-github-required-reviewers-to-submit-malicious-code Crimeware Trends: Ransomware Developers Turn to Intermittent Encryption https://www.sentinelone.com/labs/crimeware-trends-ransomware-developers-turn-to-intermittent-encryption-to-evade-detection/ Lets Encrypt Reviving Certificate Revocation Lists https://letsencrypt.org/2022/09/07/new-life-for-crls.html
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Sep 9, 2022 • 7min

ISC StormCast for Friday, September 9th, 2022

Analyzing Obfuscated VBS with CyberChef https://isc.sans.edu/diary/Analyzing+Obfuscated+VBS+with+CyberChef/2902 pfBlockerNG Unauthenticated RCE https://www.ihteam.net/advisory/pfblockerng-unauth-rce-vulnerability/ GifShell attack creates reverse shell using microsoft teams gifs https://www.bleepingcomputer.com/news/security/gifshell-attack-creates-reverse-shell-using-microsoft-teams-gifs/
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Sep 8, 2022 • 6min

ISC StormCast for Thursday, September 8th, 2022

PHP Deserialization Exploit Attempt https://isc.sans.edu/diary/PHP+Deserialization+Exploit+attempt/29024 TA505 Group's TeslaGun In-Depth Analysis https://www.prodaft.com/resource/detail/ta505-ta505-groups-tesla-gun-depth-analysis Cisco publishes unpatched Small Business Router Vulnerability https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-sb-rv-vpnbypass-Cpheup9O Shikitega - New stealthy malware targeting Linux https://thehackernews.com/2022/09/new-stealthy-shikitega-malware.html
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Sep 7, 2022 • 6min

ISC StormCast for Wednesday, September 7th, 2022

Analysis of an Encoded Cobalt Strike Beacon https://isc.sans.edu/diary/Analysis+of+an+Encoded+Cobalt+Strike+Beacon/29014 EvilProxy Phishing-As-A-Service with MFA Bypass https://resecurity.com/blog/article/evilproxy-phishing-as-a-service-with-mfa-bypass-emerged-in-dark-web Zyxel Patches RCE Vulnerability https://www.zyxel.com/support/Zyxel-security-advisory-for-format-string-vulnerability-in-NAS.shtml Moobot Going after D-Link Devices https://unit42.paloaltonetworks.com/moobot-d-link-devices/
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Sep 6, 2022 • 6min

ISC StormCast for Tuesday, September 6th, 2022

James Webb JPEG With Malware https://isc.sans.edu/diary/James+Webb+JPEG+With+Malware/29010 Windows Defender False Positive https://www.theregister.com/2022/09/05/windows_defender_chrome_false_positive/ Google Chrome 0-Day https://chromereleases.googleblog.com/2022/09/stable-channel-update-for-desktop.html Sharkbot Android Infostealer in Google Play Store https://blog.fox-it.com/2022/09/02/sharkbot-is-back-in-google-play/ Nmap 7.93 - 25th Anniversary Release https://seclists.org/nmap-announce/2022/1
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Sep 2, 2022 • 7min

ISC StormCast for Friday, September 2nd, 2022

Jolokie Scans: Possible Hunt for Vulnerable Apache Geode Servers https://isc.sans.edu/diary/Jolokia+Scans%3A+Possible+Hunt+for+Vulnerable+Apache+Geode+Servers+%28CVE-2022-37021%29/29006 Microsoft Basic Authentication Deprecation in Exchange Online https://techcommunity.microsoft.com/t5/exchange-team-blog/basic-authentication-deprecation-in-exchange-online-september/ba-p/3609437 Mobile App Supply Chain Vulnerabilities Could Endanger Sensitive Business Information https://symantec-enterprise-blogs.security.com/blogs/threat-intelligence/mobile-supply-chain-aws Gitlab Update https://about.gitlab.com/releases/2022/08/30/critical-security-release-gitlab-15-3-2-released/#brute-force-attack-may-guess-a-password-even-when-2fa-is-enabled
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Sep 1, 2022 • 6min

ISC StormCast for Thursday, September 1st, 2022

Underscores and DNS: The Privacy Story https://isc.sans.edu/diary/Underscores+and+DNS%3A+The+Privacy+Story/29002 iOS 12.5.6 Update https://support.apple.com/en-us/HT201222 Malware Disguised as Google Translate Desktop App https://research.checkpoint.com/2022/check-point-research-detects-crypto-miner-malware-disguised-as-google-translate-desktop-and-other-legitimate-applications/ Apache Geode Deserialization Flaw https://lists.apache.org/thread/qrvhmytsshsk5xcb68pwccw3y6m8o8nr Foxit PDF Reader Update https://sec-consult.com/vulnerability-lab/advisory/outdated-javascript-engine-leads-to-rce-in-foxit-pdf-reader/
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Aug 31, 2022 • 7min

ISC StormCast for Wednesday, August 31st, 2022

Two things that will never die: bash scripts and irc https://isc.sans.edu/diary/Two+things+that+will+never+die%3A+bash+scripts+and+IRC%21/28998 Malware using James Webb Telescope images https://www.securonix.com/blog/golang-attack-campaign-gowebbfuscator-leverages-office-macros-and-james-webb-images-to-infect-systems/ Malicious Chrome Extensions https://www.mcafee.com/blogs/other-blogs/mcafee-labs/malicious-cookie-stuffing-chrome-extensions-with-1-4-million-users/ Chromium Based Browsers Allow Access to Clipboard https://bugs.chromium.org/p/chromium/issues/detail?id=1334203
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Aug 30, 2022 • 6min

ISC StormCast for Tuesday, August 30th, 2022

Update: VBA Malcode & UTF7 (APT-C-35) https://isc.sans.edu/diary/Update%3A+VBA+Maldoc+%26+UTF7+%28APT-C-35%29/28994 Twilio Breach used to access 2FA Tokens https://sec.okta.com/scatterswine Popular PDF Reader Adware https://www.malwarebytes.com/blog/news/2022/08/adware-found-on-google-play-pdf-reader-servicing-up-full-screen-ads Google changing its VPN Ad Blocker Policy https://support.google.com/googleplay/android-developer/answer/12253906?hl=en
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Aug 29, 2022 • 6min

ISC StormCast for Monday, August 29th, 2022

Dealing With False Positives when Scanning Memory Dumps for Cobalt Strike Beacons https://isc.sans.edu/diary/Dealing+With+False+Positives+when+Scanning+Memory+Dumps+for+Cobalt+Strike+Beacons/28990 HTTP2 Packet Analysis with Wireshark https://isc.sans.edu/diary/HTTP2+Packet+Analysis+with+Wireshark/28986 Paypal Phishing/Coinbase in One Image https://isc.sans.edu/diary/Paypal+PhishingCoinbase+in+One+Image/28984 Sysinternals Updates: Sysmon v14.0 and ZoomIt v6.01 https://isc.sans.edu/diary/Sysinternals+Updates%3A+Sysmon+v14.0+and+ZoomIt+v6.01/28988 eth.link domain at risk https://www.coindesk.com/tech/2022/08/26/web3-domain-name-service-could-lose-its-web-address-because-programmer-who-can-renew-it-sits-in-jail/

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