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

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Results by assertion: AFR-01 PASSED AFR-02 PASSED AFR-03 PASSED AFR-04 PASSED AFR-05 PASSED AFR-07 PASSED AIR 2.0.0 (Release Date: 17th, Feb 2010) AIC-01 PASSED AIC-02 PASSED ALOG-01 PASSED ALOG-02 PASSED ALOG-03 PASSED Analysis: Test achieved the expected Result. 3.13. TC-06-UNC Test Case TC-06-UNC (AIR 2.0.0) Test & Case Summary Acquire a digital source that has uncorrectable read errors Notes: 15 uncorrectable errors are existed 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-07 All data sectors acquired from the digital source are acquired accurately. AFR-08 The tool report to the user of the error type and the location of the error if error occurred during the reading from a digital source. AFR-09 If there are unresolved errors reading from a digital source, then the tool uses a benign fill in the destination object in place of the inaccessible data. 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-03 The tool reports to the user if an error occurs during the image creation Source Device: Drive Setup: AIC-06 AIC-07 AIC-08 ALOG-01 process. 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. 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. 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. If the tool logs any information regarding to the acquisition, the information is accurately logged in the log file. ALOG-02 The tool display correct information about the acquisition to the user. ALOG-03 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 Drive Model: ST380817AS (80GB) Serial Number: 5MR18V18 Sector count: 156,301,488 Write blocker: Tableau Forensic SATA/IDE Bridge IEEE 1394 SBP2 Device /dev/sdc: current max LBA: 156,301,488 /dev/sdc: native max LBA: 156,301,488 /dev/sdc: physical max LBA: 156,301,488 /dev/sdc: HPA not set 275
Log highlights: Results by assertion: AIR 2.0.0 (Release Date: 17th, Feb 2010) /dev/sdc: DCO not set Following sectors are marked as faulty: 5161564, 12135645, 16429701, 28210195, 33486075, 40694940, 40828560, 57691700, 90179820, 91800252, 92763320, 104129017, 109477200, 118026966, 140386491 Start DC3DD (md5 sha1): Fri Aug 6 05:29:37 NZST 2010 command line: dc3dd hash=md5,sha1 hashlog=/tmp/hash.log status=noxfer if=/dev/sdc skip=0 conv=noerror,sync iflag=direct ibs=32768 compiled options: DEFAULT_BLOCKSIZE=32768 sector size: 512 (assumed) dc3dd: reading `/dev/sdc' at sector 5161564: Input/output error dc3dd: reading `/dev/sdc' at sector 12135645: Input/output error dc3dd: reading `/dev/sdc' at sector 16429701: Input/output error dc3dd: reading `/dev/sdc' at sector 28210195: Input/output error dc3dd: reading `/dev/sdc' at sector 33486075: Input/output error dc3dd: reading `/dev/sdc' at sector 40694940: Input/output error dc3dd: reading `/dev/sdc' at sector 40828560: Input/output error dc3dd: reading `/dev/sdc' at sector 57691700: Input/output error dc3dd: reading `/dev/sdc' at sector 90179820: Input/output error dc3dd: reading `/dev/sdc' at sector 91800252: Input/output error dc3dd: reading `/dev/sdc' at sector 92763320: Input/output error dc3dd: reading `/dev/sdc' at sector 104129017: Input/output error dc3dd: reading `/dev/sdc' at sector 109477200: Input/output error dc3dd: reading `/dev/sdc' at sector 118026966: Input/output error dc3dd: reading `/dev/sdc' at sector 140386491: Input/output error md5 TOTAL: 1b26c0e62b79f528793199a3d2de4034 sha1 TOTAL: 52bafa6d754870b33cb85089ae89538c9355844c 156301473+15 sectors in 156301488+0 sectors out Command completed: Fri Aug 6 06:58:17 NZST 2010 Start VERIFY: Fri Aug 6 06:58:17 NZST 2010 Command-line: cat /mnt/new/new/Test004-caine/test004-caine-UNC-error.* | air-counter 2>> /usr/local/share/air/logs/air.buffer.data | dc3dd hash=md5,sha1 hashlog=/tmp/verify_hash.log status=noxfer of=/dev/null VERIFY SUCCESSFUL: Hashes match Orig = md5 TOTAL: 1b26c0e62b79f528793199a3d2de4034 sha1 TOTAL: 52bafa6d754870b33cb85089ae89538c9355844c Copy = md5 TOTAL: 1b26c0e62b79f528793199a3d2de4034 sha1 TOTAL: 52bafa6d754870b33cb85089ae89538c9355844c Command completed: Fri Aug 6 07:29:08 NZST 2010 AFR-01 PASSED AIC-01 PASSED AFR-02 PASSED AIC-02 PASSED AFR-03 PASSED AIC-03 PASSED AFR-04 PASSED AIC-05 PASSED AFR-05 PASSED AIC-06 PASSED AFR-07 PASSED AIC-07 PASSED AFR-08 PASSED AIC-08 PASSED AFR-09 PASSED Analysis: Test achieved the expected Result. 276 ALOG-01 PASSED ALOG-02 PASSED ALOG-03 PASSED
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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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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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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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Results by assertion: FTK Imager 2.
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1.19 TC-10-CorruptImage FTK Imager
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1.21 TC-11-E01_Smart FTK Imager 2.9
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1.25 TC-11-Smart_E01 FTK Imager 2.9
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Results by assertion: verified FTK
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Helix3 Pro R3 (Release Date: 30 th
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Results by assertion: Helix3 Pro R3
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2.3. TC-02-NTFS Helix3 Pro R3 (Rele
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Device: Serial Number: 6PS2CA4Z Sec
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Partition Table: Log highlights: Re
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Page 241 and 242: Results by assertion: Helix3 Pro R3
Page 243 and 244: Source Device: Drive Setup: Partiti
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 and 252: 2.14. TC-07-InsufficientSpace & TC-
Page 253 and 254: Helix3 Pro R3 (Release Date: 30 th
Page 265 and 266: Drive Setup: Partition Table (GPT d
Page 269 and 270: AIR 2.0.0 (Release Date: 17th, Feb
Page 271 and 272: Log highlights: Results by assertio
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 291: AIR 2.0.0 (Release Date: 17th, Feb
Page 299 and 300: 3.17. TC-13 Overlapping Partitions
Page 301 and 302: Partition Table: Log highlights: Re
Page 305 and 306: 3.21. TC-16-02 Acquire a GPT disk A
Page 309: Partition Table: Log highlights: Re
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