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

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/

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

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

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

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

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/

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/

Token Authentication Requirements for Git Operations https://github.blog/2020-12-15-token-authentication-requirements-for-git-operations/ Google Attempting to Speed Up OS Update Adoption https://android-developers.googleblog.com/2020/12/treble-plus-one-equals-four.html Trend Micro InterScan Web Security Virtual Appliance Vulnerability https://success.trendmicro.com/solution/000283077 Malicios Browser Extensions https://blog.avast.com/malicious-browser-extensions-avast

Cloud DNS Logs https://isc.sans.edu/forums/diary/DNS+Logs+in+Public+Clouds/26892/ Solarwinds Update https://www.heise.de/news/l-f-SolarWinds-Backdoor-Hersteller-sorgte-fuer-Ausnahmen-von-AV-Ueberwachung-4990910.html https://krebsonsecurity.com/2020/12/malicious-domain-in-solarwinds-hack-turned-into-killswitch/ Hewlett Packard Enterprise Systems Insight Manager (SIM) Vulnerability https://support.hpe.com/hpesc/public/docDisplay?docLocale=en_US&docId=hpesbgn04068en_us SAP HANA SAML Validation Weakness https://www.secureauth.com/blog/secureauth-uncovers-saml-validation-weakness-in-sap-hana/

Analyzing A Fireeye Maldoc https://isc.sans.edu/forums/diary/Analyzing+FireEye+Maldocs/26882/ Didier Stevens: 2020 Difference Makers https://www.sans.org/webcasts/2020-difference-makers-awards-ceremony-117154 F5 Big IP Vulnerabilities https://support.f5.com/csp/article/K20984059 https://support.f5.com/csp/article/K42696541 https://support.f5.com/csp/article/K37960100 Google Outage https://status.cloud.google.com/incident/zall/20013 GoLang XML Parser Vulnerabilities https://mattermost.com/blog/coordinated-disclosure-go-xml-vulnerabilities/

SolarWinds Followup https://isc.sans.edu/forums/diary/SolarWinds+Breach+Used+to+Infiltrate+Customer+Networks+Solarigate/26884/ https://sansurl.com/solarwinds Apple Updates Everything https://support.apple.com/en-us/HT201222 Sophos and Reversing Labs Release 20 Million Malware Samples https://github.com/sophos-ai/SOREL-20M

SolarWinds Compromise https://isc.sans.edu/forums/diary/SolarWinds+Breach+Used+to+Infiltrate+Customer+Networks+Solarigate/26884/ Writing Yara Rules for Fun and Profit: Notes form the FireEye Breach Countermeasures https://isc.sans.edu/forums/diary/Writing+Yara+Rules+for+Fun+and+Profit+Notes+from+the+FireEye+Breach+Countermeasures/26870/ Flash Player EoL https://helpx.adobe.com/flash-player/release-note/fp_32_air_32_release_notes.html Subway Marketing System Hacked to Send TrickBot Malware Emails https://www.bleepingcomputer.com/news/security/subway-marketing-system-hacked-to-send-trickbot-malware-emails/

Python Backdoor Talking to a C2 Through Ngrok https://isc.sans.edu/forums/diary/Python+Backdoor+Talking+to+a+C2+Through+Ngrok/26866/ Cisco Releases Improved Patch for Jabber Vulnerabilities https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-jabber-ZktzjpgO https://watchcom.no/nyheter/nyhetsarkiv/uncovers-cisco-jabber-vulnerabilities/ SANS Holiday Hack Challenge https://holidayhackchallenge.com/2020/ Karim Lalji: Fear of the Unkown: A Metanalysis of Insecure Object Deserialization Vulnerabilities https://www.sans.org/reading-room/whitepapers/testing/fear-unknown-metanalysis-insecure-object-deserialization-vulnerabilities-39920

Oblivious DoH https://blog.cloudflare.com/oblivious-dns/ HTTP Archive Almanach https://almanac.httparchive.org/en/2020/security Open Source IoT TCP/IP Stack Vulnerabilities https://www.forescout.com/company/resources/amnesia33-how-tcp-ip-stacks-breed-critical-vulnerabilities-in-iot-ot-and-it-devices/ Fireeye Red Team Tool Signatures https://www.fireeye.com/blog/threat-research/2020/12/unauthorized-access-of-fireeye-red-team-tools.html

Microsoft Patch Tuesday https://isc.sans.edu/forums/diary/December+2020+Microsoft+Patch+Tuesday+Exchange+Sharepoint+Dynamics+and+DNS+Spoofing/26860/ Adobe Patch Tuesday https://helpx.adobe.com/security.html OpenSSL Patch (Tuesday) https://www.openssl.org/news/secadv/20201208.txt

Corrupt BASE64 Strings: Detection and Decoding https://isc.sans.edu/forums/diary/Corrupt+BASE64+Strings+Detection+and+Decoding/26616/ Microsoft Teams Remote Code Execution Vulnerability (Patched) https://github.com/oskarsve/ms-teams-rce PlayStation Now RCE https://hackerone.com/reports/873614 Cisco Security Manager Java Deserialization Vulnerabilities https://tools.cisco.com/security/center/content/CiscoSecurityAdvisory/cisco-sa-csm-java-rce-mWJEedcD

Proxy Scanner Attempting to Connect to Specific Hostname https://isc.sans.edu/forums/diary/Is+IP+91199118137+testing+Access+to+aahwwx52hostxyz/26852/ Recovering Passwords From Pixelized Screenshots https://www.linkedin.com/pulse/recovering-passwords-from-pixelized-screenshots-sipke-mellema/ Tomcat Information Leak http://mail-archives.us.apache.org/mod_mbox/www-announce/202012.mbox/%3C52858194-2efd-6f17-1821-9036c8494df0%40apache.org%3E Google Updates https://chromereleases.googleblog.com/2020/12/stable-channel-update-for-desktop.html

Traffic Analysis Quiz: Mr. Natural https://isc.sans.edu/forums/diary/Traffic+Analysis+Quiz+Mr+Natural/26844/ An iOS Zero-Click Radio Proximity Exploit Odyssey https://googleprojectzero.blogspot.com/2020/12/an-ios-zero-click-radio-proximity.html Github "State of the Octoverse" Report https://octoverse.github.com/static/2020-security-report.pdf Christopher Hurless: Open-Source Endpoint Detection and Response with CIS Benchmarks, OSQuery, Elastic Stack and The Hive https://www.sans.org/reading-room/whitepapers/incident/open-source-endpoint-detection-response-cis-benchmarks-osquery-elastic-stack-thehive-39900

Prevelance of DNS Spoofing https://arxiv.org/abs/2011.12978 New npm Malware Includes Bladabindi Trojan https://blog.sonatype.com/bladabindi-njrat-rat-in-jdb.js-npm-malware DarkIRC Bot Exploits Recent Oracle WebLogic Vulnerablity https://blogs.juniper.net/en-us/threat-research/darkirc-bot-exploits-oracle-weblogic-vulnerability