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

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Log highlights: Results by assertion: Helix3 Pro R3 (Release Date: 30 th , Dec 2009) Created By Helix3 Pro 2009R3 physical True size 48570278400 name PhysicalDrive1 mount PhysicalDrive1 serialnumber 5MR18V18 system ST380817AS firmware 3.42 T type Fixed hard disk WholeDisk True Acquire Format: RAW Acquisition Start: 2010-07-22 15:17:43 Acquisition Stop 2010-07-22 16:15:43 Output File(s): E:\Image\Test003-HPA-Helix-ST380817AS.001 E:\Image\Test003-HPA-Helix-ST380817AS.002 ……………..................... E:\Image\Test003-HPA-Helix-ST380817AS.023 Verification: Passed MD5: 69fdef5d5de3a207bc2a04017c38c3fd SHA1: 9d768ab184ed9a172031f0f7b7f721f2bdf80b59 SHA256: 1169e7b9c33014c48a07a885c57fb16c7fc71f19e96b82d42a377730bc67097 3 SHA512: 1a1d137df8d5f15d9da8369f13ba2fa4ad4f0c166cce5e37ada65c71ab028263 85d6b658010ebe61d2fae5713f4d150ebee382de6a09eb9aeeb4aa28723f85c 7 AFR-01 PASSED AIC-01 PASSED AHS-02 FAILED AFR-02 PASSED AIC-02 PASSED AHS-03 FAILED AFR-03 PASSED AIC-05 PASSED ALOG-01 PASSED AFR-04 PASSED AIC-06 PASSED ALOG-02 FAILED AFR-05 PASSED AIC-07 PASSED ALOG-03 PASSED AFR-06 FAILED AIC-08 PASSED AFR-07 PASSED AHS-01 FAILED Analysis: Test FAILED to achieve the expected Result. Helix3 Pro failed to detect and acquire the hidden areas in the hard drive. 227
2.11. TC-03-DCO Helix3 Pro R3 (Release Date: 30 th , Dec 2009) Test Case TC-03-DCO (Helix3 Pro 2009 R3) Test & Case Summary: TC-03 Acquire a hard drive with hidden sectors to an image file Notes: DCO active 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 Source hashes: MD5 checksum: 69fdef5d5de3a207bc2a04017c38c3fd SHA1 checksum: 9d768ab184ed9a172031f0f7b7f721f2bdf80b59 /dev/sdb: current max LBA: 94,863,828 /dev/sdb: native max LBA: 94,863,828 /dev/sdb: physical max LBA: 156,301,488 /dev/sdb: HPA not set /dev/sdb: DCO set from sector 94,863,828 to 156,301,487 Device Start End #sectors File System /dev/sdb1 63 41945714 41945652 NTFS /dev/sdb2 41945715 94863824 52918110 Ext3 228
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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
Page 193 and 194: 1.13 TC-05-DD FTK Imager 2.9.0.1385
Page 195 and 196: 1.14 TC-05-Smart FTK Imager 2.9.0.1
Page 197 and 198: Source Device: Drive Setup: Partiti
Page 199 and 200: Drive Setup: Log highlights: Result
Page 201 and 202: Results by assertion: FTK Imager 2.
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 211 and 212: Log highlights: Results by assertio
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 243: Source Device: Drive Setup: Partiti
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 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
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Results by assertion: AIR 2.0.0 (Re
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3.17. TC-13 Overlapping Partitions
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Partition Table: Log highlights: 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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