
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 Tuesday, January 5th, 2021
From a Small BAT File to Mass Logger Infostealer https://isc.sans.edu/forums/diary/From+a+small+BAT+file+to+Mass+Logger+infostealer/26946/ Citrix Releases Updates Addressing DTLS Flaw https://support.citrix.com/article/CTX289674 Zend Framework Deserialization Flaw https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3007 https://github.com/Ling-Yizhou/zendframework3-/blob/main/zend%20framework3%20 %20rce.md
ISC StormCast for Tuesday, January 5th, 2021
From a Small BAT File to Mass Logger Infostealer https://isc.sans.edu/forums/diary/From+a+small+BAT+file+to+Mass+Logger+infostealer/26946/ Citrix Releases Updates Addressing DTLS Flaw https://support.citrix.com/article/CTX289674 Zend Framework Deserialization Flaw https://cve.mitre.org/cgi-bin/cvename.cgi?name=CVE-2021-3007 https://github.com/Ling-Yizhou/zendframework3-/blob/main/zend%20framework3%20 %20rce.md
ISC StormCast for Monday, January 4th 2021
Traffic Analysis Quiz https://isc.sans.edu/forums/diary/End+of+Year+Traffic+Analysis+Quiz/26940/ Zyxel Backdoor https://www.eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.html Microsoft Source Code Accessed As a Result of SolarWinds Backdoor https://msrc-blog.microsoft.com/2020/12/31/microsoft-internal-solorigate-investigation-update/
ISC StormCast for Monday, January 4th 2021
Traffic Analysis Quiz https://isc.sans.edu/forums/diary/End+of+Year+Traffic+Analysis+Quiz/26940/ Zyxel Backdoor https://www.eyecontrol.nl/blog/undocumented-user-account-in-zyxel-products.html Microsoft Source Code Accessed As a Result of SolarWinds Backdoor https://msrc-blog.microsoft.com/2020/12/31/microsoft-internal-solorigate-investigation-update/
ISC StormCast for Wednesday, December 30th 2020
Accessing Restricted Directory Listings via Your AV Solution https://isc.sans.edu/forums/diary/Want+to+know+whats+in+a+folder+you+dont+have+a+permission+to+access+Try+asking+your+AV+solution/26932/ Coin Miner Malware Written in Go https://www.intezer.com/blog/research/new-golang-worm-drops-xmrig-miner-on-servers/?fbclid=IwAR3eFiHCNoqr5mc2UAOcm8nocjUOjZn0cpcAiSoYmn__JtJfBbjqUUT1OwQ AutoHotKey Credential Stealer https://www.trendmicro.com/en_us/research/20/l/stealth-credential-stealer-targets-us-canadian-bank-customers.html
ISC StormCast for Wednesday, December 30th 2020
Accessing Restricted Directory Listings via Your AV Solution https://isc.sans.edu/forums/diary/Want+to+know+whats+in+a+folder+you+dont+have+a+permission+to+access+Try+asking+your+AV+solution/26932/ Coin Miner Malware Written in Go https://www.intezer.com/blog/research/new-golang-worm-drops-xmrig-miner-on-servers/?fbclid=IwAR3eFiHCNoqr5mc2UAOcm8nocjUOjZn0cpcAiSoYmn__JtJfBbjqUUT1OwQ AutoHotKey Credential Stealer https://www.trendmicro.com/en_us/research/20/l/stealth-credential-stealer-targets-us-canadian-bank-customers.html
ISC StormCast for Tuesday, December 29th 2020
Extending Android Device Compatibility for Let's Encrypt Certificates https://letsencrypt.org/2020/12/21/extending-android-compatibility.html Insufficient Patch for Windows 8.1/10 Print Spooler https://bugs.chromium.org/p/project-zero/issues/detail?id=2096 Google Docs Vulnerability https://savebreach.com/stealing-private-documents-through-a-google-docs-bug/ CCC Conferences Virtual https://streaming.media.ccc.de/rc3
ISC StormCast for Tuesday, December 29th 2020
Extending Android Device Compatibility for Let's Encrypt Certificates https://letsencrypt.org/2020/12/21/extending-android-compatibility.html Insufficient Patch for Windows 8.1/10 Print Spooler https://bugs.chromium.org/p/project-zero/issues/detail?id=2096 Google Docs Vulnerability https://savebreach.com/stealing-private-documents-through-a-google-docs-bug/ CCC Conferences Virtual https://streaming.media.ccc.de/rc3
ISC StormCast for Monday, December 28th 2020
base64dump.py Supported Encodings https://isc.sans.edu/forums/diary/base64dumppy+Supported+Encodings/26924/ String Analysis and Maldocs https://isc.sans.edu/forums/diary/Quickie+String+Analysis+Maldocs/26922/ Malicious Word Document Delivering an Octopus Backdoor https://isc.sans.edu/forums/diary/Malicious+Word+Document+Delivering+an+Octopus+Backdoor/26918/ Analysis Dridex Dropper, IoC extraction https://isc.sans.edu/forums/diary/Analysis+Dridex+Dropper+IoC+extraction+guest+diary/26920/ AT&T Outage due to Nashville Explosion https://about.att.com/pages/disaster_relief/nashville.html SolarWinds SUPERNOVA Malware / API Vulnerability https://www.solarwinds.com/securityadvisory Citrix ADC DDoS Attack https://support.citrix.com/article/CTX289674 Crowdstrike Reporting Tool for Azure https://github.com/CrowdStrike/CRT
ISC StormCast for Monday, December 28th 2020
base64dump.py Supported Encodings https://isc.sans.edu/forums/diary/base64dumppy+Supported+Encodings/26924/ String Analysis and Maldocs https://isc.sans.edu/forums/diary/Quickie+String+Analysis+Maldocs/26922/ Malicious Word Document Delivering an Octopus Backdoor https://isc.sans.edu/forums/diary/Malicious+Word+Document+Delivering+an+Octopus+Backdoor/26918/ Analysis Dridex Dropper, IoC extraction https://isc.sans.edu/forums/diary/Analysis+Dridex+Dropper+IoC+extraction+guest+diary/26920/ AT&T Outage due to Nashville Explosion https://about.att.com/pages/disaster_relief/nashville.html SolarWinds SUPERNOVA Malware / API Vulnerability https://www.solarwinds.com/securityadvisory Citrix ADC DDoS Attack https://support.citrix.com/article/CTX289674 Crowdstrike Reporting Tool for Azure https://github.com/CrowdStrike/CRT
ISC StormCast for Wednesday, December 23rd 2020
Malware Victim Selection Through WiFi Identification https://isc.sans.edu/forums/diary/Malware+Victim+Selection+Through+WiFi+Identification/26910/ New Treck IP Stack Vulnerabilities https://treck.com/vulnerability-response-information/ Detecting Treck IP Stack https://github.com/Forescout/project-memoria-detector
ISC StormCast for Wednesday, December 23rd 2020
Malware Victim Selection Through WiFi Identification https://isc.sans.edu/forums/diary/Malware+Victim+Selection+Through+WiFi+Identification/26910/ New Treck IP Stack Vulnerabilities https://treck.com/vulnerability-response-information/ Detecting Treck IP Stack https://github.com/Forescout/project-memoria-detector
ISC StormCast for Tuesday, December 22nd 2020
What's The Deal With Openportstats.com? https://isc.sans.edu/forums/diary/Whats+the+deal+with+openportstatscom/26912/ Dell Wyse ThinOS 8.6 Security Update https://www.dell.com/support/kbdoc/en-hr/000180768/dsa-2020-281 SolarWinds 2nd Backdoor https://www.microsoft.com/security/blog/2020/12/18/analyzing-solorigate-the-compromised-dll-file-that-started-a-sophisticated-cyberattack-and-how-microsoft-defender-helps-protect/ SolarWinds Domains https://securelist.com/sunburst-connecting-the-dots-in-the-dns-requests/99862/
ISC StormCast for Tuesday, December 22nd 2020
What's The Deal With Openportstats.com? https://isc.sans.edu/forums/diary/Whats+the+deal+with+openportstatscom/26912/ Dell Wyse ThinOS 8.6 Security Update https://www.dell.com/support/kbdoc/en-hr/000180768/dsa-2020-281 SolarWinds 2nd Backdoor https://www.microsoft.com/security/blog/2020/12/18/analyzing-solorigate-the-compromised-dll-file-that-started-a-sophisticated-cyberattack-and-how-microsoft-defender-helps-protect/ SolarWinds Domains https://securelist.com/sunburst-connecting-the-dots-in-the-dns-requests/99862/
ISC StormCast for Monday, December 21st 2020
A slightly optimistic tale of how patching went for CVE-2019-19781 https://isc.sans.edu/forums/diary/A+slightly+optimistic+tale+of+how+patching+went+for+CVE201919781/26900/ Heads-up: VirusTotal Functionality in Sysinternals Tools Not Working https://isc.sans.edu/forums/diary/Headsup+VirusTotal+Functionality+in+Sysinternals+Tools+Not+Working/26906/ Kasachstan: Browsers Block Government Certificate Authority https://www.zdnet.com/article/apple-google-microsoft-and-mozilla-ban-kazakhstans-mitm-https-certificate/ 5G Vulnerabilities https://positive-tech.com/about/news/vulnerabilities-in-standalone-5g-networks-could-allow-attackers-to-steal-credentials-and-falsify-subscriber-authentication/ Bouncy Castle BCrypt Password Verification Error https://www.synopsys.com/blogs/software-security/cve-2020-28052-bouncy-castle/