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:

• Obfuscated DNS Queries
• Protecting Home Office and Enterprise in 2021
• Secure Communication using TLS in Elasticsearch
• Is IP 91.199.118.137 testing Access to aahwwx.52host.xyz?
• Detecting Actors Activity with Threat Intel

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Recent Diaries:

• Analysis Dridex Dropper, IoC extraction (guest diary)
• Setting up the Dshield honeypot and tcp-honeypot.py
• Stackstrings, type 2
• Seriously, SHA3 where art thou?
• Attack traffic on TCP port 9673

Recent Diaries:

• Qakbot activity resumes after holiday break
• Throwback Friday: An Example of Rig Exploit Kit
• Hancitor activity resumes after a hoilday break
• Emotet infections and follow-up malware
• End of Year Traffic Analysis Quiz

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:

• From a small BAT file to Mass Logger infostealer
• TLS 1.3 is now supported by about 1 in every 5 HTTPS servers
• Want to know what's in a folder you don't have a permission to access? Try asking your AV solution...
• A slightly optimistic tale of how patching went for CVE-2019-19781
• Heartbleed, BlueKeep and other vulnerabilities that didn't disappear just because we don't talk about them anymore

Recent Diaries:

• My Honeypot is Trendy, My Honeypot is Unpopular
• Sensor Ideas for DEFCON
• Weblogic Exploit Code Made Public (CVE-2018-2893)
• Reporting Malicious Websites in 2018
• Request for Packets: Port 15454

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

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Recent Diaries:

• 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
• ISC Snapshot: SpectX IP Hitcount Query

Xavier Mertens is a freelance cyber security consultant based in Belgium. Xavier started his own company (https://xavier.mertens.consulting) in 2013 to offer pentesting, incident handling and forensic services. He holds GIAC,GFCE, GCFA, GXPN & GREM certifications and is also CISSP and CISA. Xavier has a blog about security (https://blog.rootshell.be) and is co-organizer of the BruCON security conference (http://www.brucon.org).

Recent Diaries:

• Another File Extension to Block in your MTA: .jnlp
• Powershell Dropping a REvil Ransomware
• Malicious Word Document Delivering an Octopus Backdoor
• Malware Victim Selection Through WiFi Identification
• Python Backdoor Talking to a C2 Through Ngrok

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Recent Diaries:

• 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
• OctoPrint 3D Web Interfaces: EXPOSED, Port 5000 default

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!

Recent Diaries:

• Windows 7 - End of Life
• CCPA - Quick Overview
• DVRIP Port 34567 - Uptick
• Curious SNMP Traffic Spike
• XOR DDOS Mitigation and Analysis

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:

• Doc & RTF Malicious Document
• New Release of Sysmon Adding Detection for Process Tampering
• Maldoc Analysis With CyberChef
• Maldoc Strings Analysis
• Strings 2021

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:

• Scans for Zyxel Backdoors are Commencing.
• Netfox Detective: An Alternative Open-Source Packet Analysis Tool
• SolarWinds Breach Used to Infiltrate Customer Networks (Solarigate)
• December 2020 Microsoft Patch Tuesday: Exchange, Sharepoint, Dynamics and DNS Spoofing
• The special case of TCP RST

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Recent Diaries:

• Using the NVD Database and API to Keep Up with Vulnerabilities and Patches - Tool Drop: CVEScan (Part 3 of 3)
• Using the NIST Database and API to Keep Up with Vulnerabilities and Patches - Playing with Code (Part 2 of 3)
• Using the NIST Database and API to Keep Up with Vulnerabilities and Patches (Part 1 of 3)
• What's in Your Clipboard? Pillaging and Protecting the Clipboard
• Office 365 Mail Forwarding Rules (and other Mail Rules too)

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:

• What's the deal with openportstats.com?
• Threat Hunting with JARM
• CVE-2020-5135 - Buffer Overflow in SonicWall VPNs - Patch Now
• ISC Blocked
• Password Reuse Strikes Again!

Recent Diaries:

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

Recent Diaries:

• DNS Logs in Public Clouds
• Preventing Exposed Azure Blob Storage
• Exposed Blob Storage in Azure
• Shipping dangerous goods
• IOC's turning into IOOI's

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Recent Diaries:

• 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
• Getting the best value out of security assessments