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root / Blog / Writeups / Ctf platforms / Lets defend

LetsDefend

Last Modified: January 5, 2026

LetsDefend

Defensive Security & Blue Teaming Labs.

Categories

  • SOC Operations: Phishing Email Analysis, Event ID 88, Investigate Web Attack
  • Incident Response: Dynamic Malware Analysis, RegistryHive, NTFS Forensics, Cloud Forensics, Linux Forensics
  • Threat Hunting: Sysmon Hunting, Splunking Endpoint

Section Contents

  • 📁 Ir dfir
  • 📁 Soc operations
  • 📁 Threat hunting

Search

System Explorer

  • 📁 Blog
    • 📁 Articles
      • 📁 Business
        • 📄 The ROI of Security: The Price of Civilization
        • 📄 The SaaS Moat Fallacy: Digital Feudalism
        • 📄 Tech Debt as Intergenerational Theft
      • 📁 Philosophy
        • 📄 The Asymmetry of Cyber War: The Red Queen's Race
        • 📄 Code is Law: The Death of Nuance
        • 📄 The Panopticon of Data: The Narcissism of Surveillance
    • 📁 Writeups
      • 📁 CTF Platforms
        • 📁 Hack The Box
          • 📁 Binary
            • 📄 HTB: Brainstorm
            • 📄 HTB: Overflow
          • 📁 Cloud
            • 📄 HTB: BlackSky
            • 📄 HTB: Sink
            • 📄 HTB: Stacked
          • 📁 Linux
            • 📄 HTB: Bashed
            • 📄 HTB: Beep
            • 📄 HTB: Cap
            • 📄 HTB: Lame
            • 📄 HTB: Nibbles
            • 📄 HTB: Shocker
          • 📁 Pro labs
            • 📄 HTB Pro Lab: Dante
            • 📄 HTB Pro Lab: Zephyr
          • 📁 Windows
            • 📄 HTB: Active
            • 📄 HTB: Administrator
            • 📄 HTB: Bastion
            • 📄 HTB: BoardLight
            • 📄 HTB: Certified
            • 📄 HTB: Cicada
            • 📄 HTB: Devel
            • 📄 HTB: Forest
            • 📄 HTB: Netmon
            • 📄 HTB: Sauna
            • 📄 HTB: Tombwatcher
        • 📁 LetsDefend
          • 📁 Ir dfir
            • 📄 LetsDefend: Cloud Forensics
            • 📄 LetsDefend: Dynamic Malware Analysis
            • 📄 LetsDefend: Linux Forensics
            • 📄 LetsDefend: NTFS Forensics
            • 📄 LetsDefend: Registry Forensics
          • 📁 Soc operations
            • 📄 LetsDefend: Event ID 88 - Phishing URL
            • 📄 LetsDefend: Investigate Web Attack
            • 📄 LetsDefend: Phishing Email Analysis
          • 📁 Threat hunting
            • 📄 LetsDefend: Splunking Endpoint
            • 📄 LetsDefend: Threat Hunting with Sysmon
        • 📁 OverTheWire
          • 📄 OverTheWire: Bandit
        • 📁 UnderTheWire
          • 📄 UnderTheWire: Century
      • 📁 Vulnerability Research
  • 📁 Notes
    • 📁 Blue team
      • 📁 Detection Engineering
        • 📄 Modern Data Pipeline & Strategy
        • 📄 SIEM & Log Analysis
        • 📄 Threat Hunting
        • 📄 Writing Detection Rules (Sigma/YARA)
      • 📁 Governance, Risk, and Compliance (GRC)
        • 📄 Risk Management Frameworks
      • 📁 Incident Response
        • 📄 AI-Driven Operations & Triage
        • 📄 Digital Forensics
        • 📄 Incident Response Lifecycle
        • 📄 Malware Analysis
        • 📄 Unified Response Framework (OCSF)
      • 📁 Security Architecture
        • 📄 Endpoint Hardening
        • 📄 Identity & Access Management
        • 📄 Network Security
      • 📁 Threat Intelligence
        • 📄 CTI Fundamentals
    • 📁 Red Team Notes
      • 📁 1. Reconnaissance
        • 📄 Active Scanning
        • 📄 Gather Victim Host Information
        • 📄 Gather Victim Identity Information
        • 📄 Gather Victim Network Information
        • 📄 Gather Victim Org Information
        • 📄 Phishing for Information
        • 📄 Search Closed Sources
        • 📄 Search Open Technical Databases
        • 📄 Search Open Websites/Domains
        • 📄 Wordlist Scanning
      • 📁 2. Resource Development
        • 📄 Compromise Accounts
        • 📄 Compromise Infrastructure
        • 📄 Develop Capabilities
        • 📄 Establish Accounts
        • 📄 Infrastructure Setup
        • 📄 Obtain Capabilities
        • 📄 Stage Capabilities
      • 📁 3. Initial Access
        • 📄 Exploit Public-Facing Application
        • 📄 Phishing Operations
        • 📄 Supply Chain Compromise
        • 📄 Valid Accounts
      • 📁 4. Execution
        • 📄 Command and Scripting Interpreter
        • 📄 Container and Cloud Execution
        • 📄 Inter-Process Communication
        • 📄 User Execution
      • 📁 5. Persistence
        • 📄 BITS Jobs
        • 📄 Boot or Logon Autostart Execution
        • 📄 Browser Extensions
        • 📄 Create Account
        • 📄 Registry Run Keys / Startup Folder
        • 📄 Scheduled Task/Job
      • 📁 6. Privilege Escalation
        • 📄 Abuse Elevation Control Mechanism
        • 📄 Access Token Manipulation
        • 📄 Escape to Host
        • 📄 Hijack Execution Flow
      • 📁 7. Defense Evasion
        • 📄 Impair Defenses
        • 📄 Indicator Removal
        • 📄 Masquerading
        • 📄 Obfuscated Files or Information
        • 📄 Process Injection
      • 📁 8. Credential Access
        • 📄 Credentials from Password Stores
        • 📄 Forced Authentication
        • 📄 Kerberos Attacks
        • 📄 OS Credential Dumping
        • 📄 Unsecured Credentials
      • 📁 9. Discovery
        • 📄 Account Discovery
        • 📄 Cloud Infrastructure Discovery
        • 📄 Software Discovery
        • 📄 System Network Configuration Discovery
      • 📁 10. Lateral Movement
        • 📄 Lateral Tool Transfer
        • 📄 Remote Services
        • 📄 Taint Shared Content
        • 📄 Use Alternate Authentication Material
      • 📁 11. Collection
        • 📄 Archive Collected Data
        • 📄 Input Capture
        • 📄 Screen Capture
      • 📁 12. Command and Control
        • 📄 Encrypted Channel
        • 📄 Ingress Tool Transfer
        • 📄 Web Service
      • 📁 13. Exfiltration
        • 📄 Exfiltration Over C2 Channel
        • 📄 Exfiltration Over Web Service
      • 📁 14. Impact
        • 📄 Data Encrypted for Impact
        • 📄 Service Stop and Inhibit Recovery
  • 📁 Cybersecurity Tools
    • 📁 Blue Team Tools
    • 📁 Red Team Tools
  • 📄 About Me & Resume

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