lg bl40e:20美亚杯个人赛

个人赛veracrypt密码:aWJ^64Sxt*LkvloSEfRWTJadfLitpex1M@Vizlj&yB2zsfkn

案件背景:

2020年9月,数名信用卡持有人向警方报案,称他们的信用卡被不知名人士在一家本地网上商店购买手机。订单大部分来自海外的网络地址,但有一宗订单来自本地。警方经调查后发现该本地网络地址的注册地址。上门后在该处发现陈慧贤,她否认与案件有关。

警方在现场扣押一部笔记本计算机、一部手机及一个USB存储设备。在场的初步应变小队在扣押证物前,曾为现场环境及证物拍照。另外, 调查队伍也从网络供货商及网上商店取得了一些与本案有关的资料。现在你被委派处理这宗案件, 请由以下的资料分析陈慧贤在本案中有否犯罪, 还原事件经过。

网络地址登记人记录    /Meiya Cup 2020/调查报告/互联网服务供货商检查报告_陈慧贤 (Alice).pdf
证物照片    /Meiya Cup 2020/Photo/Alice(电脑照片上两个密码,G889#h,QPzm!#8∅@#)
笔记本计算机的镜像文件    /Meiya Cup 2020/Image/Alice/Alice Laptop/Alice_Laptop.e01
USB设备的镜像文件    /Meiya Cup 2020/Image/Alice/Alice USB/ALICE_USB.e01
手机的镜像文件    /Meiya Cup 2020/Image/Alice/Alice LG Phone /MMC(0x0-0x0747C00000).bin
初步应变小队的调查报告    /Meiya Cup 2020/調查報告/案件调查报告- 被捕人陈慧贤 (Alice).docx
1、Alice的笔记本计算机已成功被取证并制作成镜像(Forensic Image), 下列哪个是镜像的SHA-1哈希值?

A:9A3040D8DE7DB364AA383F9904C446B2;
B:7DED54774B68058E5B327907DB2AC40AAA2EEB48;
C:E84854774B68058E5B327907DBAAC40AAA2E7OED;
D:EB4854774B68058E5B327907DB2AC40AAA2E7DED;
E:46B29A3040D8DE7DB364AA383F9904C4

用cmd命令计算了好久,发现取证大师就有QAQ

2.Alice的笔记本计算机安装了哪个操作系统(Operating System)?
A:Windows XP;
B:Windows 7;
C:Windows 10 Pro;
D:Windows 10;
E:Windows 8;

 3.在Alice的笔记本, 创建用户帐户的SID是甚么?
A:S-1-5-21-1017277147-4095180158-1226650532-1002;
B:S-1-5-21-1017277147-4095180158-1226650532-1001;
C:S-1-5-21-1017277147-4095180158-1226650531-1001;
D:S-1-5-21-1017277147-4095180158-1226650531-1002;
E:S-1-5-21-1017277147-4095180158-1226650533-1001

 4.在Alice的笔记本,用户的最后登录时间是甚么时候?(本地时间)
A:2020-09-29 1436 hrs;
B:2020-09-29 1437 hrs;
C:2020-09-29 1439 hrs;
D:2020-09-29 1440 hrs;
E:2020/09/30 10:13

 5.在Alice的笔记本,最后登录的用户名称是甚么?
A:Alice;
B:Admin;
C:user;
D:Alice Chen;
E:Administrator

同上图

6.Alice计算机的名称是甚么?
A:Alice-DJFFBL6;
B:DESKTOP-DJFFBL6;
C:Admin-DJFFBL6;
D:Alicechen-DJFFBL6;
E:Administrator

 7.在Alice的笔记本, 最后登录的用户何时更改了Windows登录密码? (当地时间)
A:2020-09-15 0220 hrs;
B:2020-09-16 0221 hrs;
C:2020-09-16 0223 hrs;
D:2020-09-16 0222 hrs;
E:2020-09-17 0224 hrs

转取证大师,看用户信息 

其实用火眼也能猜出来,因为alice是0222才有记录 

8.Alice笔记本计算机的时区是甚么?
A:UTC;
B:DST;
C:CST;
D:CDT;
E:HKT

cst是中国时间

9.在Alice的笔记本, OS分区的文件系统是甚么?
A:FAT;
B:exFAT;
C:NTFS;
D:Linux;
E:macOS

用取证大师

os文件系统一般是c盘,所以取证大师直接看

10.计算机上预设安装了甚么浏览器?
A:Firefox;
B:Chrome;
C:Safari;
D:Internet Explorer;
E:Opera

 预设不是都是ie,用ie来下载其他浏览器

11.在Alice的笔记本,哪个是最常用的浏览器?
A:Firefox
B:Chrome
C:Safari
D:Internet Explorer
E:Opera

虽然我觉得是edge,无奈没有这个选项,所以只能是ie

12.在Alice的笔记本, 最常用的浏览器是甚么版本?
A:Internet Explorer version 6;
B:Internet Explorer version 7;
C:Internet Explorer version 11;
D:Internet Explorer version 8;
E:Internet Explorer version 9

仿真直接看 

13.在Alice的笔记本, Alice浏览了哪个在线商店的网站?
A:Sunnings, Apple 及 Microsoft;
B:Microsoft, Apple 及 Fortress;
C:Sunnings, Boardway 及 Fortress;
D:Sunnings, Apple 及 Fortress;
E:Sunnings, Apple 及 Boardway


14.在Alice的笔记本, 受害人的信用卡号是甚么?(Ho PCKYI-电子邮件:shy1211@mtzh.gow.tw)
A:3405 0621 0621 7845;
B:5411 2210 0121 7741;
C:1478 2583 1234 8899;
D:7532 2561 1234 9638;
E:1256 9638 5522 7894

导出​​​​​​txt 


15.在Alice的笔记本, 受害人的信用卡CSC号码是甚么(何PCKYI-电子邮件:shy1211@mtzh.gow.tw**)**
A:123;
B:321;
C:112;
D:121;
E:211

同上

16.除了上述在USB 找出ZIP文件,请找出相同ZIP文件的路径?
A:Partition 3\Users\Alice\Desktop\Downloads;
B:Partition 3\Users\Alice\Desktop\Temp;
C:Partition 3\Users\Alice\Recent;
D:Partition 3\Users\Alice;
E:Partition 3\Users\Alice\Downloads


17.ZIP文件的哈希值(SHA-256)是甚么?
A:59B88F8755E1F76107D6EE2134ED32BABBC91F0B44C7C0EE3850BBA74B7E88F6;
B:8BF68F8755E1F76107D6EE2134ED32BABBC91F0B44C7C0EE3850BBA73B7EEE77;
C:99F68F8755E1F76107D6EE2134ED32C91F0B44C7C0EE3850BBA74B7E59B8;
D:89F78F8755E1F76107D6EE2134ED32BABBC91F0B44C7C0EE3850CCC74B7E59;
E:88F68F8755E1F76107D6EE2134ED32BABBC91F0B44C7C0EE3850BBA74B7E59B8


18.ZIP文件的修改时间是多少?(当地时间)
A:2020/09/27 18:48;
B:2020/09/01 18:47;
C:2020/09/29 18:46;
D:2020/09/24 18:45;
E:2020/10/01 18:44

 

19.USB驱动器在Alice笔记本计算机上的最后插入时间是何时?(当地时间)

A:2020-09-28 1800 hrs;

B:2020-09-27 1802 hrs;

C:2020-09-29 1801 hrs;

D:2020-09-16 1803 hrs;

E:2020-09-29 1202 hrs

20.解压的ZIP文件内有哪些文件?

A:log1nx.txt, R3ZZ.txt;

B:WhatsApp Image 2020-09-29 at 18.35.25.jpeg, WhatsApp Image 2020-09-29 at 18.37.47.jpeg;

C:log1nx.txt;

D:R3ZZ.txt;

E:log1nx.txt, R3ZZ.txt, WhatsApp Image 2020-09-29 at 18.35.25.jpeg, WhatsApp Image 2020-09-29 at 18.37.47.jpeg

 取证大师双击该zip文件,就能解压目录

21.“ ZIP文件中发票的哈希值(SHA 256)是多少=发票(2)

名称:WhatsApp Image 2020-09-29 at 18.35.25.jpeg”

A:3EE491A38AB82AD19EDB2B7402DA31F52006C3B4B018F859A451B839878DF4C3;

B:C391A38AB82AD19EDB2B7402DA31F52006C3B4B018F859A451B839878D3EE4F4;

C:34E391A38AB82AD19EDB2B7402DA31F52006C3B4B018F859A451B839878D8EE5;

D:F4C391A38AB82AD19EDB2B7402DA31F52006C3B4B018F859A451B839878D3EE4;

E:CCC381A38AB82AD19EDB2B7402DA31F52006C3B4B018F859A451B839878D3BB4

22.“ ZIP文件中发票的哈希值(SHA 256)是多少=发票(2)

名称:WhatsApp Image 2020-09-29 at 18.37.47.jpeg”

A:21F5CC2552A7337844B90F0AB5CDA85BF2F5A71A635E0D3B05731C95937D2DAF;

B:2DAFCC2552A7337844B90F0AB5CDA85BF2F5A71A635E0D3B05731C95937D21F5;

C:20AFCC2552A7337844B90F0AB5CDA85BF2F5A71A635E0D3B05731C95937D21F5;

D:DA2FCC2552A7337844B90F0AB5CDA85BF2F5A71A635E0D3B05731C95937D2LF5;

E:A2AFOO2552A7337844B90F0AB5CDA85BF2F5A71A635E0D3B05731C95937D21F5

 23.Alice笔记本计算机上安装了哪种电子邮件软件?
A:Thunderbird;
B:Lotus Notes;
C:Nil;
D:Outlook;
E:Mailbird

 

 仿真去看

 

 取证大师直接看也行

24.Alice笔记本计算机上的电子邮件软件的版本是甚么?
A:Thunderbird 78.0;
B:Lotus Notes 11;
C:Nil;D:Outlook 2016;
D:Outlook 2016
E:Outlook 2013

同上

25.Alice笔记本计算机登录电子邮件软件的电子邮件帐户是甚么?

A:alicechen741@gmail.com;

B:alicechen@gmail.com;

C:alice741@gmail.com;

D:alice_chen741@gmail.com;

E:alicechen741@yahoo.com

 26.Alice在上述电子邮件对话中获得了哪些数据/文件?
A:log1ns.txt, R3ZZ.txt;
B:log1ns.txt;
C:R3ZZ.txt;
D:log1ox.txt, R3ZZ.txt;
E:log1nx.txt, 33Z2.txt

前几题写过了

26.Alice在上述电子邮件对话中获得了哪些数据/文件?
A:log1ns.txt, R3ZZ.txt;
B:log1ns.txt;
C:R3ZZ.txt;
D:log1ox.txt, R3ZZ.txt;
E:log1nx.txt, 33Z2.txt

27.该电子邮件的发信者的电子邮件地址是甚么?

A:alicechen741@gmail.com;

B:alice_chen741@gmail.com;

C:bobcheung223@gmail.com;

D:bobcheung123@gmail.cam;

E:bobcheung123@gmail.com;

28.上述已收的电子邮件, 发件人的IP地址是甚么?
A:209.85.220.41;
B:209.85.221.39;
C:209.85.220.40;
D:209.82.220.42;
E:209.58.220.43

 用取证大师看

29.在笔记本, Alice的电子邮件地址是甚么?
A:alicechen741@gmail.com;
B:bob123@gmail.com;
C:cole909@gmail.com;
D:alicechen@gmail.com;
E:alice741@gmail.com

30.除了Alice,还有其他电子邮件地址与该骗局有关吗?

A:bob123@gmail.com;

B:cole909@gmail.com;

C:bobcheung123@gmail.com;

D:alicechen@gmail.com;

E:alicechen741@gmail.com

31.哪些人有AP和主脑之间的电子邮件记录?有文件传输吗?

A:Alice and Cole, re log1ns.txt and R3ZZ.txt;

B:Alice and Tommy, re log1ns.txt and R3ZZ.txt;

C:Alice and Bob, re log1ns.txt and R3ZZ.txt;

D:Alice and Chris, re log1ns.txt and R3ZZ.txt;

E:Alice, Bob and Cole, re log1ns.txt and R3ZZ.txt
都直接看

32.在ZIP 文件中, 有多少受害人的信用卡数据被盗?
A:3;
B:4;
C:5;
D:7;
E:6

看 r3zz文件,直接数crd

33.已被黑客盗用其信用卡资料购买的受害者是谁?
A:TONG TO ON;
B:YUEN MING TIM;
C:TSE KONG LON;
D:TSE WONG YIN;
E:LEE YOI TEI

用那个图片

 

34.被盗用的内容是甚么?

A:Name, ccc code, credit card number;

B:Name, ccc code, HKID;

C:Name, credit card number, aged;

D:Name, credit card number, CSC;

E:Nil

36.Alice手机的操作系统版本是甚么?

A:Android 4.0 (security patch=2015-12-01);

B:Android 5.0 (security patch=2015-12-01);

C:Android 7.0 (security patch=2015-12-01);

D:Android 8.0 (security patch=2015-12-01);

E:Android 6.0 (security patch=2015-12-01)


37.Alice手机的总储存空间是多少?
A:64;
B:128;
C:256;
D:16;
E:32

 

 猜一手

38.在Alice 手机, IMG-20200929-WA0002的创建时间是甚么?(本地时间)

A:2020-08-29 1824;

B:2020-09-29 1824;

C:1970-09-29 1825;

D:2020-09-29 1024;

E:2020-09-02 2224

39.在Alice 手机,IMG-20200929-WA0004的创建时间是甚么?(本地时间)

A:2020-09-29 1825;

B:2020-10-29 1824;

C:1970-09-29 1825;

D:2020-08-29 1024;

E:2020-09-25 1824

40.IMG-20200929-WA0002和IMG-20200929-WA0004的元数据和相机型号是甚么?

A:Manufacturer: LG Electronics, Model: LG-DD55;

B:Manufacturer: Apple, Model: A1687;

C:Manufacturer: LG Electronics, Model: LG-D855;

D:Manufacturer: Samsung, Model: SM-N7105;

E:Manufacturer: MI, Model: MI8

 

41.在Alice 手机, 预设浏览器浏览历史记录的文件在哪里?

A:\Partition43[hda41]\data\com.android.browser\databases\browser2.db(Mobile Forensics System V2);

B:\Partition40[hda41]\data\com.android.chrome\app_chrome\Default\History(Mobile Forensics System V2);

C:\Partition41[hda41]\data\com.android.chrome\app_chrome\Default\History(Mobile Forensics System V2);

D:\Partition42[hda41]\data\com.android.chrome\app_chrome\Default\History(Mobile Forensics System V2);

E:\Partition44[hda41]\data\com.android.chrome\app_chrome\Default\History(Mobile Forensics System V2)

手机浏览器肯定是预设浏览器,所以看手机浏览器的历史记录,然后转跳到源文件

但他是分区46??怎么没有??

只能选最相似的A 

42.储存Chrome浏览历史记录的文件是甚么?

A:\Partition40[hda41]\data\com.android.browser\databases\browser2.db(Mobile Forensics System V2);

B:\Partition41[hda41]\data\com.android.browser\databases\browser2.db(Mobile Forensics System V2);

C:\Partition42[hda41]\data\com.android.browser\databases\browser2.db(Mobile Forensics System V2);

D:\Partition43[hda41]\data\com.android.chrome\app_chrome\Default\History(Mobile Forensics System V2);

E:\Partition44[hda41]\data\com.android.browser\databases\browser2.db(Mobile Forensics System V2)

同上题,在chrome的历史记录,直接转到源文件

43.Alice手机的Whatsapp ID和账户名称是甚么?

A:85262547937@s.whatsapp.net;

B:62547937@s.whatsapp.net;

C:alice@s.whatsapp.net;

D:83162547937@s.whatsapp.net;

E:B5262547937@s.whatsapp.net


44.与Bob和Cole的最后WhatsApp的时间是甚么?(本地时间)
A:2020/9/26 18:47;
B:2020/9/24 10:25;
C:2020/9/25 10:25;
D:2020/9/24 10:20;
E:2020/9/27 10:25

 

 看来都不是。去群组里找

45.主脑的名字是甚么?
A:Chris 及 Tommy;
B:Bob 及 Cole;
C:Bob 及 Tommy;
D:Alice 及 Tommy;
E:Alice 及 Chris

Alice和Bob还有Cole

46.Alice,Bob和Cole之间的WhatsApp群组的ID和名称是甚么?

A:62547937-1600392878@g.us “Big Big Club”;

B:8526254-7937-1600392878@g.us;

C:86162547937-1600392878@g.hk “Big Big Club”;

D:62547937-1600392878@g.hk “Big Big Club”;

E:85262547937-1600392878@g.us “Big Big Club”


47.哪一个表,显示了聊天群组“ Big Big Club”的创建时间?(本地时间)
A:Table:chat;
B:Table:chat_list;
C:Table:chat_group;
D:Table:chat-group;
E:Table:chatting_list

 

导出数据库,看到chat list里有 

48.聊天群组“ Big Big Club”是甚么时候创建的?(本地时间)
A:2020/09/17 10:34;
B:2020/09/18 10:34;
C:2020/09/18 08:35;
D:2020/09/18 07:34;
E:2020/09/18 09:34

49.Alice是否曾经登陆whatsapp网站?如果有的话,她是在何时登入? 所用的是甚么浏览器? (提示:在移动取证图像上找到结果)(UTC +0)

A:No;

B:Yes. Windows Edge. 2020-09-29, 18:43:44;

C:Yes. Windows Edge. 2020-09-29, 10:43:44;

D:Yes. Firefox. 2020-09-29, 10:25:44;

E:Yes. Firefox. 2020-09-29, 16:43:44

50.Alice如何收到这笔钱?钱包地址是甚么?

A:通过比特币钱包:1L6fKWpEYvUi8FeG6BnXqfh1joAgmJA1h1;

B:通过比特币钱包:2L6fKWpEYvUi8FeG6BnXqfh1joAgmJA1h2;

C:通过比特币钱包:3A6fKWpEYvUi8FeG6BnXqfh1joAgmJAlh1;

D:通过比特币钱包:666fKWpEYvUi8FeG6BnXqfh1joAgmJA1h1;

E:通过比特币钱包:FF6fKWpEYvUi8FeG6BnXqfh1jOAgmJA1h1


51.“Deleted by the sender”的media_wa_type是甚么?
A:14;
B:12;
C:13;
D:15;
E:11

导出数据库,看数据表

52.Alice手机的Wifi MAC地址是甚么?

A:Intf0MacAddress=000AF58989FF;

B:Intf0MacAddress=0012AF58989FF;

C:Intf0MacAddress=000BF58989FF;

D:Intf0MacAddress=110AF5B989FF;

E:Intf0MacAddress=222AF589B9FF


53.Alice USB驱动器内的ZIP档案的密码是甚么? (某些字符被刻意用*遮盖)
A:QP**!#80**;
B:Qpzm!@****;
C:QP******@!;
D:**98#*;
E:**89#h

54.Alice USB驱动器内的哪一个程序是用作储存秘密数据?

A:mytracker.apk;

B:com_cleanmaster_mguard_7.4.6_02_09_2020.apk;

C:crypto_aliens_bch_1.0.2_05_11_2020.apk;

D:de_schildbach_wallet_8.03_06_09_2020.apk;

E:Messagesecure.apk

55.打开秘密讯息的密码是甚么? (某些字符被刻意用遮盖)
A:**89#h;
B:Qpzm!#;
C:QP@#;
D:**98#;

E:*8#9

56.USB驱动器内,其中一个档案的秘密讯息是甚么? (某些字符被刻意用遮盖)

A:Password is ****;

B:Alice is the mastermind;

C:*****phone pw is ****;

D:Alice and Bob are masterminds;

E:Phone is ********

57.贴在笔记本计算器机上的密码有甚么用途?
A:Alice笔记本电脑的Bitlocker密码;
B:Alice的USB驱动器的密码;
C:Alice的电子银行密码;
D:从文件恢复安全消息;
E:Alice的手机密码

58.Alice USB驱动器内的档案有甚么种类?
A:PNG, ZIP, APK, DOC;
B:PNG, ZIP, APK;
C:PNG, ZIP, APK, 7Z;
D:PNG, DOC, APK, 7Z;
E:PNG, ZIP, DOC, 7Z

59.Alice USB驱动器的哈希值(SHA-256)是甚么?

A:4DFF94ED83F41C356B0588C2C21ECF563E9D8CA66ED6D97A3D57C2629185528D;

B:4DFF528D94ED83F41C356B0588C2C21ECF563E9D8CA66ED6D97A3D57C2629185;

C:94ED83F41C356B0588C2C21ECF563E9D8CA66ED6D97A3D57C26291854DFF528D;

D:528D94ED83F41C356B0588C2C21ECF563E9D8CA66ED6D97A3D57C26291854DFF;

E:51BD94ED83F41C356B0588C2C21ECF563E9D8CA66ED6D97A3D57C26291854OFF

60.在USB驱动器中找到的ZIP文件(Downloads.7z),它的哈希值(SHA-256)是甚么?

A:59B88F8755E1F76107D6EE2134ED32BABBC91F0B44C7C0EE3850BBA74B7E88F6;

B:8BF68F8755E1F76107D6EE2134ED32BABBC91F0B44C7C0EE3850BBA74B7E59BB;

C:88F68F8755E1F76107D6EE2134ED32BABBC91F0B44C7C0EE3850BBA74B7E59B8;

D:88E68F8755E1F76107D6EE2134ED32C91F0B44C7C0EE3850BBA74B7E59B8;

E:89F68F8755E1F76107D6EE2134ED32BABBC91F0B44C7C0EE3850BBA74B7E59


61.在Alice的USB内, ZIP文件的最后修改时是?
A:2020/09/29 18:46;
B:2020/09/27 18:46;
C:2020/09/28 18:46;
D:2020/09/24 18:47;
E:2020/09/28 16:48

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