LAB 8: CHAIN OF CUSTODY & EVIDENCE HANDLING

CyberOps Week 7 ← Back to Week 7

Objectives

1. Create forensic image of a drive
Show Hint
Use: dd if=/dev/sda of=evidence.img bs=4096
2. Generate hash of evidence image
Show Hint
Use: sha256sum evidence.img
3. Fill out Chain of Custody form
Show Hint
Complete all required fields in the Documentation System tab and submit.
4. Document evidence handling procedures
Show Hint
Drag and drop the procedure steps into the correct order.
5. Create write-blocker verification log
Show Hint
Use: verify-write-blocker /dev/sda
6. Transfer evidence and update custody log
Show Hint
Use: transfer-evidence --to "Lab Technician" and update the custody form.
7. Verify evidence integrity after transfer
Show Hint
Use: sha256sum evidence.img and compare with original hash.
8. Prepare evidence summary for legal review
Show Hint
Use: generate-evidence-summary
Evidence Terminal
Documentation System
Digital Forensics Evidence Terminal Case: IR-2024-0211-BREACH Evidence Device: /dev/sda (500GB SSD) Examiner: SOC-Analyst-001 Type 'help' for available commands
forensics@evidence:~$

Chain of Custody Form

Chain of Custody Log

Date/Time Handler Action Location Hash Verification
- - - - -

Evidence Handling Procedure Order

Drag and drop the steps below into the correct order, then click "Verify Order"

Evidence Bag Label

No evidence logged yet

LAB COMPLETE!

You've successfully documented proper evidence handling procedures!

+25 XP