SANS ISC: ISC Handlers

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ISC Handlers

John Bambenek is President of Bambenek Labs, a threat intelligence and digital investigations firm. He has spent 20 years in the industry helping research emerging threats and leading large-scale intelligence sharing communities to engage in targeted disruption of criminal activities online. He has developed a variety of techniques to conduct digital surveillance that is used to monitor domain generation algorithms and malware configurations which are used by thousands of organizations world-wide. In addition, he tracks financial transactions of various neonazi and supremacist individuals and organizations. He has spoken at conferences around the world, has published two books in addition to several book chapters and articles, and he once appears on the Daily Show with Jon Stewart.

Recent Diaries:

• Writing Yara Rules for Fun and Profit: Notes from the FireEye Breach Countermeasures
• Hunting for SigRed Exploitation
• VMWare Security Advisory on DoS Vulnerability in ESXi
• MSFT July 2019 Patch Tuesday
• Solving the WHOIS and Privacy Problem: A Draft of Implementing WHOIS in DNS

Guy has a B.A. (IT) from University of Quebec and holds the prestigious GIAC Security Expert (GSE) certification as well as the GIAC GSEC(G), GCIA(G), GCIH(G), GCUX(G), GCFA, GPEN certifications.

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Recent Diaries:

• Building an IDS Sensor with Suricata & Zeek with Logs to ELK
• Malware Analysis with elastic-agent and Microsoft Sandbox
• Microsoft DHCP Logs Shipped to ELK
• Pretending to be an Outlook Version Update
• Using Logstash to Parse IPtables Firewall Logs

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Recent Diaries:

• So where did those Satori attacks come from?
• More weirdness on TCP port 26
• Analysis Dridex Dropper, IoC extraction (guest diary)
• Setting up the Dshield honeypot and tcp-honeypot.py
• Stackstrings, type 2

Recent Diaries:

• April 2021 Forensic Quiz: Answers and Analysis
• April 2021 Forensic Quiz
• Analysis from March 2021 Traffic Analysis Quiz
• March 2021 Traffic Analysis Quiz
• Qakbot infection with Cobalt Strike

Recent Diaries:

• After Action Review
• Visibility Gap of Your Security Tools
• What Assumptions Are You Making?
• Resolve to Be More Involved In Your Local Community - REVISITED
• Creative Hiring From Non-Traditional Places

Recent Diaries:

• Critical Vuln in vCenter vmdir (CVE-2020-3952)
• Oracle Critical Patch Update Release
• Gate to Fiesta exploit kit on 94.242.216.69
• VMWare ESX/ESXi Security Advisory
• Defending Against Web Server Denial of Service Attacks

Recent Diaries:

• Customer Service Frustration
• Email/password Frustration
• Holiday Safe Computing Tips
• Angler Exploit Kits Reported
• Cisco Security Advisories Issued

Recent Diaries:

• Hunting phishing websites with favicon hashes
• Malspam with Lokibot vs. Outlook and RFCs
• Old TLS versions - gone, but not forgotten... well, not really "gone" either
• 50 years of malware? Not really. 50 years of computer worms? That's a different story...
• Qakbot in a response to Full Disclosure post

Recent Diaries:

Renato Marinho is Chief Research Officer at Morphus Labs. His journey in the area began in 2001, when he created Nettion, one of the first firewalls to use the contemporary UTM (Unified Threat Management) concept. Experienced in cyber security, Marinho was internationally recognized in 2016 by his research that unveiled Mamba, the first full disk encryption ransomware. At Morphus Labs, he oversees research, innovation and development of new products. Master and PhD candidate in Applied Informatics, he is also professor at University of Fortaleza teaching Computer Forensics in the post-graduate course. He is also a speaker having presented at Ignite Cybersecurity Conference, BSides Delaware, BSides Vienna, WSKS Portugal and Brazilian CSIRTs Forum.

Recent Diaries:

• Microsoft March 2021 Patch Tuesday
• Microsoft February 2021 Patch Tuesday
• Microsoft January 2021 Patch Tuesday
• Microsoft November 2020 Patch Tuesday
• Attackers Exploiting WebLogic Servers via CVE-2020-14882 to install Cobalt Strike

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Recent Diaries:

• Adversary Simulation with Sim
• Gordon for fast cyber reputation checks
• Sooty: SOC Analyst's All-in-One Tool
• To the Brim at the Gates of Mordor Pt. 1
• Happy FouRth of July from the Internet Storm Center

Xavier Mertens is a freelance security consultant based in Belgium. Xavier's own company (https://xameco.be) offers services like incident handling, forensic, SOC activities, and pentesting. He holds GCIA, GFCE, GCFA, GXPN, GREM, GDAT, GNFA, GCTI, GPYC SANS certifications but also CISSP, and CISA. Xavier is an instructor for the SANS FOR610 (Malware Analysis and Reverse Engineering). His blog about security is https://blog.rootshell.be and he is co-organizer of the BruCON security conference (http://www.brucon.org).

Recent Diaries:

• HTTPS Support for All Internal Services
• No Python Interpreter? This Simple RAT Installs Its Own Copy
• Simple Powershell Ransomware Creating a 7Z Archive of your Files
• C2 Activity: Sandboxes or Real Victims?
• Quick Analysis of a Modular InfoStealer

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Recent Diaries:

• Microsoft April 2021 Patch Tuesday
• Building a .freq file with Public Domain Data Sources
• What is "THAT" Address Doing on my Network
• MSFT June 2019 Patch Tuesday
• Microsoft December 2018 Patch Tuesday

Recent Diaries:

• New Internet Storm Center Director
• A Day In The Life Of A DShield Sensor
• Stuxnet Analysis
• Cyber Security Awareness Month - Day 31 - Tying it all together
• Cyber Security Awareness Month - Day 15 - What Teachers Need to Know About Their Students

Mr. Santander Pelaez currently serves as the Chief Information Security Officer of Puntos Colombia S.A.S. . in Medellin,Colombia. His areas of interest are Intrusion Detection, Computer Forensics, Incident Response, SCADA Security, Network Design and cyberwarfare.

Recent Diaries:

• Creating patched binaries for pentesting purposes
• Performing deception to OS Fingerprint (Part 1: nmap)
• SNMP service: still opened to the public and still queried by attackers
• Enumerating office365 users
• Merry christmas!

Didier Stevens (Microsoft MVP Consumer Security) holds many certifications from SANS, Microsoft, Cisco, ... He is a Senior Analyst (NVISO https://www.nviso.be). Didier started his own company in 2012 to provide IT security training services (http://DidierStevensLabs.com). You can find his open source security tools on his IT security related blog at https://blog.DidierStevens.com.

Recent Diaries:

• Decoding Cobalt Strike Traffic
• Example of Cleartext Cobalt Strike Traffic (Thanks Brad)
• YARA and CyberChef: ZIP
• Video: YARA and CyberChef
• TCPView v4.0 Released

Yee Ching is currently a Ph.D. student at ASSET (Automated Systems SEcuriTy) Research Group in the Singapore University of Technology and Design (SUTD) under the Information Systems Technology and Design (ISTD) Pillar. He was a recipient of the SG: Digital (SG:D) Postgraduate Scholarship program from Infocomm Media Development Authority (IMDA), and won the Cybersecurity Awards in 2019 under the Professional category for his contributions to the Singapore information security industry. Yee Ching is a SANS Lethal Forensicator and also serves as a Committee Member in the Association of Information Security Professionals (AiSP). For more information, please visit https://poppopretn.com/aboutme/.

Recent Diaries:

• Submitting pfSense Firewall Logs to DShield

Dr. Johannes Ullrich is the Dean of Research and a faculty member of the SANS Technology Institute. In November of 2000, Johannes started the DShield.org project, which he later integrated into the Internet Storm Center. His work with the Internet Storm Center has been widely recognized. In 2004, Network World named him one of the 50 most powerful people in the networking industry. Secure Computing Magazine named him in 2005 one of the Top 5 influential IT security thinkers. His research interests include IPv6, Network Traffic Analysis and Secure Software Development. Johannes is regularly invited to speak at conferences and has been interviewed by major publications, radio as well as TV stations. He is a member of the SANS Technology Institute's Faculty and Administration as well as Curriculum and Long Range Planning Committee. As chief research officer for the SANS Institute, Johannes is currently responsible for the GIAC Gold program. Prior to working for SANS, Johannes worked as a lead support engineer for a Web development company and as a research physicist. Johannes holds a PhD in Physics from SUNY Albany and is located in Jacksonville, Florida. More Details: http://www.linkedin.com/in/johannesullrich

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Recent Diaries:

• Why and How You Should be Using an Internal Certificate Authority
• WiFi IDS and Private MAC Addresses
• Piktochart - Phishing with Infographics
• Microsoft Releases Exchange Emergency Patch to Fix Actively Exploited Vulnerability
• Securing and Optimizing Networks: Using pfSense Traffic Shaper Limiters to Combat Bufferbloat

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Recent Diaries:

• SharpRDP - PSExec without PSExec, PSRemoting without PowerShell
• Fun with DNS over TLS (DoT)
• Taking a Shot at Reverse Shell Attacks, CNC Phone Home and Data Exfil from Servers
• Fun with NMAP NSE Scripts and DOH (DNS over HTTPS)
• Using the NVD Database and API to Keep Up with Vulnerabilities and Patches - Tool Drop: CVEScan (Part 3 of 3)

Recent Diaries:

• Sigma rules! The generic signature format for SIEM systems.
• Not so FastCGI!
• Annotating Golang binaries with Cutter and Jupyter
• Introduction to analysing Go binaries
• Binary Analysis with Jupyter and Radare2

Recent Diaries:

• Querying Spamhaus for IP reputation
• What's the deal with openportstats.com?
• Threat Hunting with JARM
• CVE-2020-5135 - Buffer Overflow in SonicWall VPNs - Patch Now
• ISC Blocked

Recent Diaries:

• Elastalert with Sigma
• Pi Zero HoneyPot
• TPOT's Cowrie to ISC Logs
• Using Shodan Monitoring
• CVE-2019-0604 Attack

Recent Diaries:

• Office macro execution evidence
• Forensicating Azure VMs
• Emotet vs. Windows Attack Surface Reduction
• DNS Logs in Public Clouds
• Preventing Exposed Azure Blob Storage

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Recent Diaries:

• Abusing Google Chrome extension syncing for data exfiltration and C&C
• Dynamically analyzing a heavily obfuscated Excel 4 macro malicious file
• Scoping web application and web service penetration tests
• Scanning with nmap?s NSE scripts
• Summing up CVE-2020-0601, or the Let?s Decrypt vulnerability