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Digging Deeper With Velociraptor

Mike Cohen, Digital Paleontologist, Rapid7 Inc. | August 5-8

We are really looking forward to spend the week with other Velociraptor fans geeking out on DFIR and Velociraptor!

This year we will be presenting an extensive, 4 day long, Velociraptor training course at BlackHat 2023!

Detailed Outline

The following detailed course outline gives you an idea of the topics covered in the training. Of course this is a live course and we love discussing all things Velociraptor, so please bring your own questions and ideas along as well!

Module 1: Deployment

  • Deploying Servers
    • What is Velociraptor?
    • Typical deployments and overview
    • Cloud deployment options
    • Setting up Dynamic DNS
    • Configuring Google OAuth2
    • Exercise: Configure and deploy a new Server with Google and Lets Encrypt
    • Using multiple OAuth providers - Azure + Google
    • Deploying with browser client certificates
    • Exercise: Create a Multi-Frontend deployments
    • Exercise: Customize the dashboard
    • Server Lockdown Mode: Additional security.
  • Multi-Tenancy deployments
    • Supporting multiple Orgs on the same server.
    • Exercise: Create a new Org
    • User roles, ACLs and Orgs
    • Exercise: Add additional Users to new Org
    • Exercise: Prepare MSI deployment for different orgs
    • Auditing User Actions.
  • Deploying Clients
    • Windows - Creating MSI packages
    • Exercise: Domain Deployment
  • GUI Tour
    • The Dashboard
    • User preferences: Themes, Languages, Timezones
    • Interactively investigate clients
    • Searching for clients
    • Running shell commands
    • The Virtual Filesystem
    • Previewing files in the GUI

Module 2: VQL Fundamentals

  • The Velociraptor Query Language
    • Why a query language?
    • The Notebook - an interactive document
    • What is VQL syntax?
    • Life of a query - understanding data flow
    • Explaining a VQL Query
    • Exercise: List running processes
    • Exercise: Lazy Evaluation
    • What is a scope?
    • The foreach() plugin
    • Exercise: Hash all the files!
    • Exercise: Hash faster!
    • LET Expressions
    • Materialized LET Expressions
    • Local VQL Functions
    • Protocols and VQL operators
    • Exercise: Detect WMI launched shell
    • Exercise: Enrich netstat with binary info
  • VQL Artifacts: VQL Modules
    • What are Velociraptor Artifacts?
    • The Artifact Exchange
    • Exercise: Selectively Import artifacts
    • Main parts of an artifact
    • Parameter types
    • Exercise: Create an artifact - WMI shell
    • Collecting artifact
    • Artifact Writing tips
    • VQL and times - formatting and parsing times
    • Exercise: Identify recently active accounts
    • VQL Control structures
    • Aggregate Functions and GROUP BY Stacking
  • Event Queries and asynchronous VQL
    • What are Event Queries
    • Client monitoring with VQL

Module 3: Filesystem Forensics

  • Searching for files - glob()
    • Exercise: Search for executables
    • Filesystem accessors
    • The registry accessor
    • Exercise: RunOnce detection
    • Raw Registry Parsing
    • Paths in Velociraptor
    • The data accessor
    • Search bulk data for patterns: yara
    • Exercise: drive by download using YARA
    • Yara best practice
    • Uploading files
    • Exercise: Collect all executables in user’s home directory
  • NTFS Forensics
    • NTFS Overview
    • NTFS Analysis in Velociraptor
    • Finding suspicious files
    • Exercise: Use NTFS analysis to detect attacker behavior
    • The USN Journal
    • Alternate Data Streams
    • Volume Shadow Copies (VSS)
    • The ntfs accessor and VSS
    • Exercise: Find all VSS copies of the same event log
    • Carving the USN Journal
  • More on Accessors
    • The OSPath object
    • Exercise: Parsing a string into OSPath
    • Life of a Path: How are paths handled within VQL
    • Exercise: OSPath operations
    • The ZIP accessor and nested paths
    • Exercise: Search a word document for a keyword
    • The Process Accessor: Accessing process memory
    • Exercise: Write an artifact that uploads process memory
    • The sparse accessor
    • Exercise: Upload only first 10k of each file.
    • The smb accessor
    • Exercise: Configuring an SMB share
  • Parsing: Processing and analyzing evidence on the endpoint
    • Built in parsers: SQLite
    • Parsing with Regular Expressions
    • Exercise: Parse MPLogs
    • The binary parser - parsing binary data
    • Exercise: Parsing SSH private keys
    • Exercise: Parsing root certificates in the registry
  • Timelines
    • What is a timeline?
    • Exercise: Create a timeline for the NTFS investigation
  • MSBuild based attacks
    • The Microsoft Build Engine
    • MSBuild: Cobalt Strike teamserver
    • Detection ideas: Disk template files
    • Exercise: Detect a typical MSBuild attack
    • Exercise: Prefetch detection
    • Exercise: Memory only detection
    • Exercise: Search for beacon in memory
    • Exercise: Extract configuration data from memory

Module 4: Event Logs

  • The Windows Event Logs
    • Parsing EVTX log files
    • Event Messages - where are they?
    • Deriving event messages
    • What could go wrong - copying event logs from the system.
    • Disabling event logs
    • Exercise: Detecting disabled event logs
    • Using Sigma Rules to search event logs
    • The EVTX Hunter
  • Syslog log: Linux/Unix logs
    • Line based logging
    • Applying Grok for parsing syslogs
    • Parsing SSH login events
    • Exercise: Write a structured artifact for extracting SSH login events
    • Carving SSH auth logs

Module 5: Offline Collection and Triage

  • Interactive triage collections
    • Collecting Files: Windows.KapeFiles.Targets
    • Resource control
  • Offline Collections
    • Why an offline collector?
    • Creating an Offline Collector
    • Exercise: Collect triage data and upload to a cloud bucket
    • Protecting the collection file: Encryption
    • Exercise: Take a memory image with winpmem
    • Preparing an SMB share to receive offline collections
    • Importing collections into the GUI
    • Local collection considerations

Module 6: Volatile artifacts and Memory Analysis

  • The Process Tracker
    • Tracking process executions on the endpoint
    • Exercise: Emulate an attack
    • The Process Tree and call chain
  • Event Tracing For Windows (ETW)
    • ETW Providers
    • Exercise: Monitor DNS Queries
  • Memory and Process Analysis
    • Mutants
    • Handles
    • Process Information
    • The process Environment Block
    • Process Memory - Mapped Memory
    • The VAD Plugin
    • Exercise: Determine functionality by examining the VAD
    • Process Injection
    • Process Memory Scanning
    • Exercise: Memory carving: Zip Files
    • Physical Memory Acquisition

Module 7: Hunting

  • Hunting at scale
    • Typical hunting workflow
    • Mitre Att&ck framework
    • Atomic Red team
    • Exercise: Image File Execution Options
    • Hunting: Mass collections
    • Exercise: Baseline Event Logs
    • The pool client
    • Exercise: Stacking reveal results that stand out
    • Optimizing filtering and post processing.

Module 8: Event queries for monitoring

  • Using Event Queries for detection.
    • Lateral movement using WMI
    • Exercise: Watch for new service creation
  • Integration with external systems
    • Interfacing with Elastic/Kibana
    • Uploading collections to Elastic
    • Integration with Slack/Discord
    • Exercise: Forwarding alerts to Discord

Module 9: Server Automation and the API

  • Extending VQL With Powershell
    • Exercise: PowerShell based pslist
  • Using External Tools
    • Velociraptor Third Party Tools
    • Exercise: Detect malicious scheduled task with autoruns
    • Exercise - Package Sysinternals DU
    • Serving tools from an SMB server
  • Server Artifacts
    • Exercise: Write artifact for Client version distribution
    • Exercise: label clients
    • Exercise: Write a server event query to automatically import new offline collections uploaded to S3 or SMB share.
  • The Velociraptor API
    • Creating an API certificate
    • Managing ACLs for an API key
    • Exposing the API
    • Using the API from Python
    • Exercise: Launch collection on client with the API
    • Exercise: Automatically Decode Powershell encoded cmdline
    • Alerting and escalation.

Module 10: Friendly game of Capture the Flag

  • Given a threat report, your team will develop a set of artifacts that detect as many steps in the kill chain as possible. Deploy those artifacts in the Velociraptor environment.
  • The Winners are the team that automatically detects and remediates the most attacker actions.

Book now

Reserve your spot on this course by clicking here https://www.blackhat.com/us-23/training/schedule/#digging-deeper-with-velociraptor-30129

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