Digital Forensics in Small Devices: RFID Tag Investigation

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IS layer (Section 2.2) and the business process layer (Section 2.3) is reviewed to understand and identify the processes, model, and concepts that could be applied to the proposed research. Likewise, RFID security threats and challenges (Section 2.4) are reviewed and then the RFID BS security risks model (Figure 2.15 in Section 2.5) is proposed, based on the requirement of the research after reviewing the previous literature. Chapter 3 outlines the comprehensive review of similar published works (Section 3.1) that leads to the adopted descriptive research methodology used in the experiment research. Similarly, the review of problem areas in RFID stock management systems concerned with the proposed security risk model (Section 3.2.2) is explained. Moreover, the research questions (Section 3.2.6), tested hypotheses (Section 3.2.7), the data requirements (Section 3.3), the limitations (Section 3.4) and the expected outcomes of the research (Section 3.5) are discussed in Chapter 3. Hence, after running the pilot tests; the stabilized RFID BS is compromised with SQL poisoning attack through a fake RFID tag to change the value of the SI and then each entity in the BS (Table 2.5 in Section 2.3) is investigated for evidence of SI theft. The collected evidence will be preserved, analysed and presented to validate the case of SI theft in Chapter 4. Chapter 4 reports the findings from the simulation of a RFID BS that is designed to simulate the use of RFID tags in a retail shop. The variations encountered or changes made during the experiment are acknowledged and explained in Section 4.1. Likewise, the report of the collected digital evidence is presented (Section 4.2) and the analyses of the acquired evidence from the different entities of RFID BS, such as SI, POS, and Business Information System (BIS) are presented and discussed (Section 4.3). Chapter 5 discusses the findings of the research, presented in Chapter 4, in relation to the research question, sub-questions and hypotheses in order to evaluate the importance of the results. Hence, the developed research questions (Section 3.2.6) are answered and discussed in relation to the asserted hypotheses in Section 5.1. The findings of the simulated experiment are explained in Section 5.2 to comprehensively evaluate the results of the research findings and experiment implementation. This chapter also discusses the acquired knowledge during the simulated experiment as the recommendations for digital forensic best 7
practices concerned with the forensic investigation of a compromised RFID stock management system. Finally, Chapter 6 summarizes the research findings and the answers to the research questions. In addition, the areas of potential future research in RFID based BS are discussed. The conclusion of the thesis is then followed by a list of references and the appendices. 8
Page 1 and 2: Digital Forensics in Small Devices:
Page 3 and 4: iii Acknowledgements This thesis wa
Page 5 and 6: v Abstract Read/Write Radio Frequen
Page 7 and 8: vii Table of Contents (Volume 1) De
Page 9 and 10: ix 3.2.2.2 The POS Entity Security
Page 11 and 12: xi 4.3.4 Analysis of the Physical D
Page 13 and 14: xiii List of Tables Table 2.1 Chara
Page 15 and 16: Figure 4.3: Error encountered durin
Page 17 and 18: xvii Figure 4.53: Acquisitions of a
Page 19 and 20: LF Low Frequency xix LLRP Low Level
Page 21 and 22: process (see Chalasani, Boppana, &
Page 23 and 24: of potential evidence after an even
Page 25: investigation. Likewise, all the re
Page 29 and 30: defines different types of malware
Page 31 and 32: 2.1.1 RFID Transponders or Tags The
Page 33 and 34: Table 2.1: Characteristics and Clas
Page 35 and 36: Moreover, depending on the complexi
Page 37 and 38: However, according to EPCglobal (El
Page 39 and 40: According to Harmon (2006, pp. 45-4
Page 41 and 42: 2.2.1 Memory Technologies for RFID
Page 43 and 44: y the reader as the tag‟s address
Page 45 and 46: wavelength long and depends on the
Page 47 and 48: Karygiannis et al., (2007, pp. 2-15
Page 49 and 50: attacker can perform eavesdropping
Page 51 and 52: 2.5 RFID STOCK MANAGEMENT SECURITY
Page 53 and 54: Figure 2.15: RFID Business System S
Page 55 and 56: 3.0 INTRODUCTION Chapter 3 - Resear
Page 57 and 58: etrieve data to an external data so
Page 59 and 60: firstly affect the back-end RFID mi
Page 61 and 62: Figure 3.2: Scenario 1 illustration
Page 63 and 64: Unlike SQL Server forensics, the tr
Page 65 and 66: forensic workstation must be prepar
Page 67 and 68: Then, the researcher verified the S
Page 69 and 70: within the affected records”. In
Page 71 and 72: can also be found not only in the d
Page 73 and 74: Likewise, Relevancy is related to t
Page 75 and 76: 3.2 THE RESEARCH DESIGN In the prev
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e investigated for evidence of the
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3.2.2 Review of Problem Areas in RF
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participants, the Information Syste
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3.2.3 Case Study The researcher int
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3.2.6 Research Question As stated i
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3.2.8 Data Map Figure 3.9: Data Map
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software (see Appendix 4) that can
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and Deng (2007) illustrated two eff
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system of the target machine (Jones
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other collected evidence data by us
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SQL Server artefacts (for the purpo
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presence of digital evidence after
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4.0 INTRODUCTION Chapter 4 - Resear
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Figure 4.1: Error encountered durin
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server (Figure 4.6) due to the user
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Section 4.2 include the snippets of
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4.2.2 Live Extraction of Binaries R
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4.2.3.1 Automated Artefact Collecti
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4.2.3.2 Ad Hoc Artefact Collection
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4.2.3.3.1 Active VLF Data After gat
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The acquisition result of ring buff
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Depending on the version of the vic
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syntax was used to acquire a server
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:out E:\SystemDatabaseRoleMembers.t
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However, according to Fowler (2009,
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After collecting the table statisti
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Thus, the result of the current tab
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4.2.3.4.6 Data Page Allocation Arte
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components of database were enabled
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The record of shutting down the ser
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“application logic and extend the
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4.2.3.6.5 SQL Server Error Logs Usu
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4.2.4 Physical Disk Drive Finally,
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Figure 4.56: Analyzing the image co
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could not. Hence, the artefacts cou
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5.0 INTRODUCTION Chapter 5 - Resear
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the laboratory to simulate a RFID t
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and confirmed the database was obvi
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SUMMARY: After analysing all the ac
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all the collected digital evidence
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Table 5.5: Secondary Research Quest
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write blocker (Tableau Forensic USB
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collected digital evidence files (b
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5.2.3 Discussion of Conducted Attac
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forensic work-station (Appendix 10)
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forensic test-station for the inves
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the trusted forensic toolkits. In a
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6.0 INTRODUCTION Chapter 6 - Conclu
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Table 6.1: Specific forensic tools
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the evidential data are the importa
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(Chapter 5; Section 5.3) for both d
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Bolan, C. (2007). A single channel
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El-Said, M. M., & Woodring, I. (200
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Hunt, V. D., Puglia, A., & Puglia,
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Kou, D., Zhao, K., Tao, Y., & Kou,
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Notes in Computer Science 5379(2009
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Tripwire, Inc. (2010a). Tripwire Ma
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Digital Forensics in Small Devices:
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Appendix 1: Volatile and Non-volati
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3 Activity Endpoints* ● md5deep N
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Appendix 2: Steps for Creating Radi
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14. Gather the latest versions of W
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The following is the detail record
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COMPLETE 'Logins.txt' (md5=A2993744
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(md5=A2993744A56BA83ADE52948062C968
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'Schemas.htm' (md5=30BB65A20F1381D7
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22:02:26: Hashing 'wft_cfg.txt' (md
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Record any checksum(s) below to lat
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22. Although the extended version o
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Appendix 3: Source Code of the Deve
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{ } else { MessageBox.Show("No read
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} } btnConnect.Enabled = true; btnD
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MessageBox.Show(this, "Connection t
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} } } dwNumEntries = usbRFID.GetNum
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add it to the list box LogItem.szID
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if(fdialog.FileName != "") { FileSt
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private string constr = @"Data Sour
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} } else { } catch (Exception ex) {
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} } } } insertTagtoDB(TagID, TagVal
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} break; case ("Protection"): { uiB
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} } } //this.Cursor = Cursors.Defau
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} } btnReadTag.Enabled = false; tmr
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private void insertTagtoDB(string T
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} } } private void btnLOGload_Click
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Step 4: Then, the Tripwire will per
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Similarly, Tripwire user account sh
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Figure A5.5: Installation of the Tr
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Appendix 6: An Example of the Condu
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Sync” allowing the users to confi
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Figure A6.8: RFID Sync Application
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Figure A6.10: Screenshot of writing
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Step 3: Configure the reader’s Ta
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Step 8: Edit the Tripwire configura
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Step 12: Record of the fictitious l
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Step 16: Similarly, check whether t
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Step 20: Check the primary database
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Appendix 7: Steps taken before the
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insert into rfid_log ( Tag, User_da
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Figure A7.3: Pre-keyed data in the
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Figure A7.7: Pre-keyed data in the
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Figure A7.11: Screenshot of Tripwir
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Step 10: Once Tripwire database was
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Appendix 8: Steps taken after the S
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Step 3: The integrity check was ini
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Figure A8.8: Screenshot of the Trip
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Figure A8.12: Screenshot of the bac
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Figure A9.3: Network Interface Card
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Figure A9.7: Enterprise Version of
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Appendix 10: Screenshots of Forensi
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Appendix 11: Forensically Sterilizi
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Figure A11. 4: Wiping all the secto
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Appendix 12: Steps for Copying and
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Figure A12.6: Acquiring the forensi
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12. However, the acquisition was ca
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15. Then, the original evidence dri
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18. Then, a bad signature file was
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Appendix 13: Artefacts Collected by
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Figure A13.5: Acquired backend SQL
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SQL SERVER - DATABASE SERVER INFORM
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Figure A13.15: Fragment of the acqu
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Figure A13.18: Result of the Acquir
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Figure A13.23: Result of the Acquir
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72CBADAE0A1F9FF34D4A35A9AB26BDB8 Au
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2428169B31C96FE4A767215000AA0008 in
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Appendix 15: WFT Tool Log during th
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06:31:36: Verifying 'sql\runsql.bat
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(md5=A7A43C52521F85BDD6683D9E0E4A00
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(md5=AB700D66945BBC9FBFA34002A808A2
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[DB Configuration] (md5=F416BF7233E
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(md5=FEDD1E9DF1B76C877B8027B62E401B
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06:32:21: Verifying 'xp\mem.exe' OK
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06:32:22: Verifying 'sysinternals\p
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'uptime.htm' (md5=B7456D103CBF5E49F
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'netlgrp.txt' (md5=E6D74D46AECD9692
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06:32:26: Verifying 'cygwin\cygwin1
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'cmdline.txt' (md5=B44C85C704337F00
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06:32:32: Verifying 'netlatency\ser
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06:32:35: Verifying 'diamondcs\ipli
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(md5=BB5127D25439D1B50A305B1CF865FE
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(md5=647578D95B7F3B11B6CCF833E29670
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06:32:41: Verifying 'perl\re.dll' O
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(md5=C4DA0F6D85F641B3E5A0F065AEDB27
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06:33:15: Verifying '2k\res_kit\dum
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[FILE SYSTEM] (md5=E9D558E387FC2208
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06:33:19: Running 'tools\xp\cmd.exe
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06:33:20: Verifying 'tools\xp\cmd.e
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'sys_ini.txt' (md5=B143A6852C9EF93E
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06:33:22: Running 'xp\at.exe' [#132
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06:33:24: Verifying 'microsoft\reg.
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(md5=4380D8F2014A5C35BF59DF30D079F0
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06:34:09: Running 'xp\gpresult.exe'
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06:34:15: Verifying 'microsoft\regd
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06:34:16: Running 'microsoft\reg.ex
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[DONE] SKIPPED (via '-nowrite' para
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'mail.gif' (md5=38477E98FB3ED60B829
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Step 3: The SQL poisoning attack wa
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Appendix 17: Live Acquisition of Ph
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The problem issue was clearly state
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Figure A17.9: Evidence item informa
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Figure A17.13: Successful creation
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Physical Drive Acquisition Report b
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Figure A18.2: Screenshot of the Acq
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Figure A18.4: Screenshots of the Ac
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Figure A19.2b: Screenshot of the In
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Figure A19.5: Screenshot of the lau
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Figure A19.10: Choosing the OS path
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Figure A19.16: Avoiding the tools t
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Figure A19.21a: WFT tool in action
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Figure A19.22b: The acquisition of
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Appendix 20: Extended wftSQL Batchf
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SET /P USERQUESTION=Use currently l
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Appendix 21_Screenshots of Hashing
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Appendix 22: Hash Values Comparison
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DBO_RFIDlog_tblStat_Date.txt Text 4
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IDE_Image.E06 EnCase Image eaa9522a
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Endpoints.htm Web Page d23eef6404ca
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PSLIST.HTM Web Page 79dbea76b982972
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IPXROUTE.HTM Web Page 97d4e1dd9621b
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PSFILE.HTM Web Page d6d58ad5914ef24
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HKLM_RS.HTM Web Page f756a379df8579
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MDM.HTM Web Page a5e04ce095305295ae
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WFT_CFG.TXT Text 1d378b80f8e0e7ea4f
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PCLIP.TXT Text 037130bf88e524d8f61a
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TLIST_V.TXT Text cdf2d49e302522e370
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HUNT.TXT Text 99553ccd8e14cae6db789
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C_hidden.txt Text 5f45b5367c7ed8852
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HKCU_R.TXT Text 9e7b99199b2931e811a
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ARKAR_US.B BASIC Source Code .E01 e
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CollationAndDataType.txt Text 37a07
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RFID_test.md5 45c0868ea943c2171ff35
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errorlog_4.md5 3f7f86d69760b535bd82
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Appendix 23: Analysis of Acquired S
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2010-10-25 12:37:05.56 Server Serve
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2010-10-05 01:22:55.53 Server Detec
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2010-10-07 15:20:54.21 Server Serve
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2010-10-25 12:17:39.26 Server Serve
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2010-10-03 00:59:55.96 Server Dedic
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2010-10-02 00:11:57.85 Server -d C:
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2010-10-02 02:40:05.35 Server SQL S
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2010-10-01 23:20:15.28 Server Dedic
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2010-10-01 23:14:19.50 Server Using
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2010-10-01 23:20:12.40 Server The S
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2010-10-01 23:12:03.65 spid4s Recov
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processed. Likewise, the acquired r
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Figure 24A.3: There is no record in
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