CIRCL

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Data Exfiltration – CyberDay 2019

Forensic Test Images
 CIRCL forensic training image built around a USB device containing deliberately hidden data. Exercises include locating NTFS Alternate Data Streams a...
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Lost in Hyperspace – EBR Loop

Forensic Test Images
CIRCL CyberDay 2020 forensic disk exercise involving manipulated Extended Boot Records that create an abnormal chain of logical partitions. The image...
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My Name is Legion – Polyglot Boot Record

Forensic Test Images
 CIRCL CyberDay 2020 forensic exercise demonstrating a specially manipulated disk structure that functions as both a Master Boot Record and an NTFS Vo...
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Wiped Disk Image – CyberDay 2022

Forensic Test Images
 CIRCL forensic training image simulating a disk that was only partially wiped before the process was interrupted. The exercise requires manual recove...
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Resident Data on NTFS File Systems – CyberDay 2023

Forensic Test Images
CIRCL training exercise for examining how NTFS resident data behaves as a file grows and changes over time. The package includes an empty NTFS disk im...
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AUSCERT2024 – As We Are Many: The Spooky USB Stick

Forensic Test Images
CIRCL forensic training package built around a specially constructed NTFS USB/disk image. The exercise covers partition tables, MBR and volume boot re...
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Bad out of Hell – Bad Cluster Forensics – FAT32

Forensic Test Images
Hands-on CIRCL forensic training exercise focused on FAT32 file-system analysis and recovery. The lab uses a 512 MiB raw disk image to examine FAT str...
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CIRCL Digital Forensic Training Materials

Forensic Test Images
CIRCL maintains a collection of digital forensic training materials and downloadable evidence images covering file systems, disk structures, data reco...
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