Rar encrypted file cracking instance (figure)

Source: Internet
Author: User

Comments: For some people with strong security awareness, files are generally encrypted. For example, files are encrypted using the built-in encryption function of rar. If such rar encrypted files are accidentally obtained, people's curiosity will certainly encourage people who obtain information to open these encrypted files. Of course, there are also a lot of websites on the Internet that provide data download. Most of these websites use rar encrypted files.
For those with strong security awareness, files are generally encrypted. For example, files are encrypted using the built-in encryption function of rar. If such rar encrypted files are accidentally obtained, people's curiosity will certainly encourage people who obtain information to open these encrypted files. Of course, there are also many websites on the Internet that provide data download. Most of these websites use rar encrypted files to protect data from being viewed by unauthorized users, therefore, you must pay for the information to obtain the password for opening the rar encrypted file. Encryption is not absolute. Although there is no good technique to crack rar encrypted files, you can crack rar encrypted files by dictionary files, brute force and mask. There are a lot of software for cracking rar encrypted files on the Internet. It is best to use "Advanced RAR Password Recovery", which is fast and easy to set.
Advanced RAR Password Recovery is a Password developed by elcomsoft to crack rar compressed files generated by WinRAR. The latest version is 3.01. It provides an estimate of the time required to calculate the password, and can interrupt the calculation and resume the previous calculation. The registration edition can unlock up to 128-bit passwords. Supports customizable brute-force cracking and dictionary cracking. In this case, a file encrypted with Rar is cracked.
1. Set "ARPR1.11 ". In this case, Advanced RAR Password Recovery 1.11 is used. Therefore, you can directly run the main program and set ARPR on the main interface, as shown in 1, select "background" in "priority options" and select "Run Records to arpr. log, and then click the "register" button to enter the registration code provided by the Chinese author for registration, and finally select "simplified Chinese" in the language ".
500) this. width = 500 "title =" Click here to browse images in a new window "/>
Figure 1 Set "ARPR1.11" cracking software
Description
(1) In the "ARPR1.11" setting, automatically save the cracking result. As shown in 2, select "Save Project", set the Automatic save time, and set an automatic save directory.
500) this. width = 500 "title =" Click here to browse images in a new window "/>
Figure 2 automatically save the cracking result
2. Use dictionary files for cracking. In the attack type of the "options" tab, select "dictionary file" and click "dictionary file" to open and select an existing dictionary file on the disk, click Start to crack the attack, as shown in figure 3.
500) this. width = 500 "title =" Click here to browse images in a new window "/>
Figure 3 dictionary file cracking
(1) "Advanced RAR Password Recovery 1.11 Chinese version" can only crack versions earlier than Winrar3.5. To crack Winrar3.5 and later versions, you need to download the latest version of arpr3.0.
(2) dictionary-based cracking is the quickest way to crack the attack. It may take about time.
3. view the attack results. After "Advanced RAR Password Recovery 1.11" is cracked, a prompt "no Password is found" is displayed, the message displays "Total passwords", "Total time", and "average speed", as shown in figure 4.
500) this. width = 500 "title =" Click here to browse images in a new window "/>
Figure 4 cracking results
Description
(1) When arpr cracks the rar password, a cracking log is generated. Go directly to the "Advanced RAR Password Recovery 1.11" program cracking directory, and then open the "arpr. log" cracking log file, as shown in Figure 5. The log file shows the Password cracking record.
500) this. width = 500 "title =" Click here to browse images in a new window "/>
Figure 5 view rar cracking logs
4. Use brute-force cracking to continue cracking the password. In many cases, dictionary files cannot be cracked. In this case, brute-force cracking is required, as shown in figure 6. Select "brute-force attack" in the attack type ", in "length", set the minimum password length to "1" and the maximum password length to "9" respectively, and then click "start" to crack the password.
500) this. width = 500 "title =" Click here to browse images in a new window "/>
Figure 6 brute-force cracking
Description
Example/a: B/c: cs/min: 2/max: 5/smartexit test.rar# brute force cracking test.rar file. The minimum password length is 2 and the maximum password length is 5, after the cracking is complete, save the result and exit. For details about rar command line cracking parameters, you can refer to the Help File of this software.

Contact Us

The content source of this page is from Internet, which doesn't represent Alibaba Cloud's opinion; products and services mentioned on that page don't have any relationship with Alibaba Cloud. If the content of the page makes you feel confusing, please write us an email, we will handle the problem within 5 days after receiving your email.

If you find any instances of plagiarism from the community, please send an email to: info-contact@alibabacloud.com and provide relevant evidence. A staff member will contact you within 5 working days.

A Free Trial That Lets You Build Big!

Start building with 50+ products and up to 12 months usage for Elastic Compute Service

  • Sales Support

    1 on 1 presale consultation

  • After-Sales Support

    24/7 Technical Support 6 Free Tickets per Quarter Faster Response

  • Alibaba Cloud offers highly flexible support services tailored to meet your exact needs.