Evaluating A Selection of Tools for Extraction of Forensic Data: Disk ...

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Log highlights: Results by assertion: TC-07 AFR-01 PASSED AFR-02 PASSED AFR-03 PASSED AFR-04 PASSED AIC-04 PASSED TC-08 AFR-01 PASSED AFR-02 PASSED AFR-03 PASSED AFR-04 PASSED AFR-05 PASSED AFR-07 FAILED Helix3 Pro R3 (Release Date: 30 th , Dec 2009) Image 1:Insufficient Space ALOG-01 PASSED ALOG-02 FAILED ALOG-03 PASSED AIC-04 PASSED ALOG-01 PASSED AIC-05 PASSED ALOG-02 FAILED AIC-10 FAILED ALOG-03 PASSED Analysis: Test result FAILED. Notification has provided to the user that the destination device does not have enough free space to store the full image. Space checking is done prior Imaging starts. Alternative storage device option should provide to the user. However, the acquired start and end sectors were not displayed and reported to the user. 235
Helix3 Pro R3 (Release Date: 30 th , Dec 2009) 2.15. TC-12 Partially and Completely Hidden by HPA Test Case TC-12 Partially and Completely Hidden by HPA (Helix3 Pro 2009 R3) Test & Case Summary: Acquire a partition that is partially or completely hidden by HPA or DCO Notes: FAT32 partition has been partially hidden by HPA from 150301488 to 156301487. Assertion: AFR-01 The tool accesses the digital source with a supported access interface AFR-02 The tool acquires a digital source AFR-03 The tool operates in an execution environment AFR-04 The tool creates an image file of the digital source AFR-05 The tool acquires all the visible data sectors from the digital source AFR-06 The tool acquires all the hidden data sectors from the digital source AFR-07 All data sectors acquired from the digital source are acquired accurately. AIC-01 The data represented by an image file is the same as the data acquired by the tool AIC-02 The tool creates an image file according to the file format the user specified. AIC-05 If multi-file image creation and the image file size is selected, the tool creates a multi-file image except that one file may be smaller AIC-06 If the image file integrity check is selected, the tool shall report to the user the image file has not been changed if the image file has not been changed. AIC-07 If the image file integrity check is selected, the tool shall report to the user the image file has been changed if the image file has been changed. AIC-08 If the image file integrity check is selected, the tool shall report to the user the image file has been changed and the involved location if the image file has been changed. ALOG- If the tool logs any information regarding to the acquisition, the information is Source Device: Drive Setup: Partition Table: 01 ALOG- 02 ALOG- 03 accurately logged in the log file. The tool display correct information about the acquisition to the user. The information about the acquisition at least including following: device, start sector, end sector, type and number of errors encountered, and start time and end time of acquisition. The tool display correct information regarding to the acquisition to the user and the information displayed is consistent with the log file if the log file function is supported AHS-01 The tool reports to the user if any hidden sectors are found AHS-02 The tool reports to the user that digital source may contain hidden sector but undetected if the tool is unable to determine whether hidden sectors are present due to incompatible execution environment AHS-03 The tool reports to the user that hidden sectors will not be acquired if the tool is unable to acquire hidden sectors due to incompatible execution environment Drive Model: ST380817AS (80GB) Serial Number: 5MR18V18 Sector count: 156,301,488 Write blocker: N/A /dev/sdb: current max LBA: 150,301,484 /dev/sdb: native max LBA: 150,301,484 /dev/sdb: physical max LBA: 156,301,488 /dev/sdb: HPA set from sector 150,301,488 to 156,301,487 (Total 736,388 sectors) Device Start End #sectors File System /dev/sdb1 63 2104514 2104452 NTFS /dev/sdb2 2104515 149565149 145460535 Ext3 /dev/sdb3 149565150 156296384 6731234 FAT32 (Partially HPA) 236
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Evaluating A Selection of Tools for
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Acknowledgements This thesis has be
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imaging data when building disk ima
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2.3.3.1 dcfldd ....................
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4.3 Research Analysis .............
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List of Tables Table 2.1: Existing
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AI Access Interface AM Access Metho
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SWGDE Scientific Working Group on D
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NetIntercept Network monitoring and
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The aim of this chapter is to provi
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producing unreliable results. Extra
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1.4 CONCLUSION Chapter 1 is concern
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forensic software EnCase and Sleuth
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2.1.2 Investigative Processes And S
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Preparation Collection Examination
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13 Investigative Process Model (Fre
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eaders to have better understanding
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text or hexadecimal format (Adopted
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3. Duplicability and Modifiability
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oth original and duplicate copy of
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Apache web server and Microsoft Int
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forensic tools, process or procedur
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Guo et al. (2009) have proposed a f
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Table 2.4 Mandatory features of Dis
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2.3.3.2 dc3dd Dc3dd is another enha
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area to backup their Proprietary so
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Also, MBR disks only support four p
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Table 2.6 Functionalities of Disk I
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for digital investigation to identi
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studies and discussions, the requir
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answered. Details of data collectio
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experts will be used to narrow down
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anomalies are analysed to identify
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esulting acceptance spectrum can be
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Figure 3.5. Process of evaluation c
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Stage 1 Understand the discipline o
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Testing requirements Selected disk
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Phase 1 Select the software disk im
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connected to the computer using a P
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When the acquired images are saved
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3.4.3 Data Analysis Methods GA is a
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There are many other types of hardw
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Main Research Question Sub Question
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4.1 VARIARTIONS IN RESEARCH SPECIFI
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4.2.1 Testing Environment Two execu
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Using program HDAT2, HPA and DCO ar
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4.2.2.3 TC-03: Acquiring A Hard Dri
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Table 4.7 TC-06 Result Summary Test
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FTK Imager successfully verified th
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Assertions AHS01-03 AFR01-03 AFR01-
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Helix 3 pro was unable to recover t
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Helix 3 Pro was not able to read th
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The method of data analysis is desc
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4.4 PRESENTATION OF FINDINGS A summ
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Pass Rates (%) 100.00% 90.00% 80.00
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Pass Rate (%) 100.00% 90.00% 80.00%
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5.0 INTRODUCTION Chapter 5 Discussi
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tools. For instance, the test case
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their latest FTK Imager release not
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information of the total number of
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Helix 3 Pro presented some usabilit
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Software support is minimum and the
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2.2.4, forensic software validation
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elease version mounts file systems
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and TC-18, AIR has outperformed oth
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6.0 INTRODUCTION Chapter 6 Conclusi
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inconsistent with what is stated in
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eginning of and the end of the disk
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6.4 CONCLUSION The main objective o
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Beebe, N. L., & Clark, J. G. (2005)
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Erbacher, R. F. (2010). Validation
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Kunda, D., & Brooks, L. (1999). App
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Payne, C. (2002). On the Security o
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Smith, R. (2009). Make the most of
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Cases Daubert v. Merrell Dow Pharma
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Appendix 2 - Testing requirements 1
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06 format should contain same data
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Test Cases Description Assertions f
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Assertions for Fundamental Requirem
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TSP-AIC-10 TSP-AIC-11 image file fo
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4.1 Drive Reset (Common in most Tes
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This procedure outlines the process
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7. Keep setting “noerror, sync”
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Appendix 6 - Gap Analysis Matrix 15
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Image Creation (IC) Function Requir
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Appendix 7 - Disk Imaging Tools Tes
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FTK Imager 2.9.0.1385 (Release Date
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FTK Imager 2.9.0.1385 (Release Date
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Source Device: Drive Setup: Log hig
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Log highlights: Results by assertio
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1.6 TC-02-FAT16 FTK Imager 2.9.0.13
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Source Device: Drive Setup: Partiti
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Log highlights: Results by assertio
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1.10 TC-02-HFS+ FTK Imager 2.9.0.13
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1.12 TC-03-DCO FTK Imager 2.9.0.138
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1.13 TC-05-DD FTK Imager 2.9.0.1385
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1.14 TC-05-Smart FTK Imager 2.9.0.1
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Drive Setup: Log highlights: Result
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Page 203 and 204: 1.19 TC-10-CorruptImage FTK Imager
Page 207 and 208: 1.21 TC-11-E01_Smart FTK Imager 2.9
Page 209 and 210: Source Device: Drive Setup: Partiti
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Page 213 and 214: 1.25 TC-11-Smart_E01 FTK Imager 2.9
Page 221 and 222: Results by assertion: verified FTK
Page 223 and 224: FTK Imager 2.9.0.1385 (Release Date
Page 225 and 226: FTK Imager 2.9.0.1385 (Release Date
Page 227 and 228: Helix3 Pro R3 (Release Date: 30 th
Page 229 and 230: Results by assertion: Helix3 Pro R3
Page 231 and 232: 2.3. TC-02-NTFS Helix3 Pro R3 (Rele
Page 235 and 236: Device: Serial Number: 6PS2CA4Z Sec
Page 237 and 238: Partition Table: Log highlights: Re
Page 245 and 246: 2.11. TC-03-DCO Helix3 Pro R3 (Rele
Page 247 and 248: 2.12. TC-05-EnCase6 Helix3 Pro R3 (
Page 249 and 250: 2.13. TC-06-UNC Helix3 Pro R3 (Rele
Page 251: 2.14. TC-07-InsufficientSpace & TC-
Page 265 and 266: Drive Setup: Partition Table (GPT d
Page 269 and 270: AIR 2.0.0 (Release Date: 17th, Feb
Page 273 and 274: 3.3. TC-02-NTFS Test Case TC-02-NTF
Page 275 and 276: 3.4. TC-02-Ext2 AIR 2.0.0 (Release
Page 277 and 278: 3.5. TC-02-Ext3 AIR 2.0.0 (Release
Page 279 and 280: 3.6. TC-02-FAT16 Test Case TC-02-FA
Page 285 and 286: Results by assertion: AIR 2.0.0 (Re
Page 299 and 300: 3.17. TC-13 Overlapping Partitions
Page 301 and 302: Partition Table: Log highlights: Re
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Results by assertion: AIR 2.0.0 (Re
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3.21. TC-16-02 Acquire a GPT disk A
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Partition Table: Log highlights: Re
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