HackTheBox - Kryptos

IppSec · Beginner ·🔐 Cybersecurity ·6y ago
00:45 - Begin of Recon 02:50 - Examining login request while GoBuster runs 05:35 - Noticing weird behavior by modifying db parameter in login request 07:30 - Finding what the Error numbers mean. (SQL Error Codes) 08:50 - Testing if we can trick the application into authentication against us 09:50 - Starting up metasploit to steal the login hash of a MYSQL Login 12:30 - Cracking the MySQL Hash with Hashcat 16:45 - Creating a databse locally for the application to authenticate to 23:00 - Examining what MySQL Does after authentication in Wireshark 24:30 - Creating the database structure so the application will authenticate against our database 27:00 - Begin of the File Encryptor PHP App 27:30 - Performing a Known Plaintext attack against the RC4 Encryption 28:50 - Explaining the Known Plaintext 37:00 - Creating a Python Script to perform a SSRF attack and decrypt content 54:25 - Script done, discovering a LFI Exploit in /dev/ 57:30 - Using PHP Filters to convert LFI to source code disclosure 59:50 - Extracting sqlite_test_page.php source code 01:01:00 - Manually analyzing the source code to discover a way to write files 01:03:00 - Checking PayloadAllTheThings to get a payload for dropping files 01:15:38 - Testing dropping a php script for code execution 01:18:00 - Using Chankro to bypass PHP Disabled functions 01:20:45 - Creating a PHP Script to download Chankro Script to avoid bad characters in the RCE 01:24:50 - Reverse shell returned, finding a VIMCrypted file in Rijndael Home 01:25:35 - Decrypting Creds.txt with a known plaintext attack in VimCrypt 02 (Blowfish) 01:28:20 - Downloading the files to our local box and explaining the attack 01:30:30 - Copying our Python Script from earlier and modify it to work with our VIM File 01:38:20 - Decrypted the creds and use them to SSH 01:39:10 - Analyzing the kryptos.py file 01:41:00 - Testing how random the random is 01:46:00 - Creating a python script to bruteforce the key as we know the randomness is broken 01:57:00 - Scr
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Chapters (31)

0:45 Begin of Recon
2:50 Examining login request while GoBuster runs
5:35 Noticing weird behavior by modifying db parameter in login request
7:30 Finding what the Error numbers mean. (SQL Error Codes)
8:50 Testing if we can trick the application into authentication against us
9:50 Starting up metasploit to steal the login hash of a MYSQL Login
12:30 Cracking the MySQL Hash with Hashcat
16:45 Creating a databse locally for the application to authenticate to
23:00 Examining what MySQL Does after authentication in Wireshark
24:30 Creating the database structure so the application will authenticate against o
27:00 Begin of the File Encryptor PHP App
27:30 Performing a Known Plaintext attack against the RC4 Encryption
28:50 Explaining the Known Plaintext
37:00 Creating a Python Script to perform a SSRF attack and decrypt content
54:25 Script done, discovering a LFI Exploit in /dev/
57:30 Using PHP Filters to convert LFI to source code disclosure
59:50 Extracting sqlite_test_page.php source code
1:01:00 Manually analyzing the source code to discover a way to write files
1:03:00 Checking PayloadAllTheThings to get a payload for dropping files
1:15:38 Testing dropping a php script for code execution
1:18:00 Using Chankro to bypass PHP Disabled functions
1:20:45 Creating a PHP Script to download Chankro Script to avoid bad characters in th
1:24:50 Reverse shell returned, finding a VIMCrypted file in Rijndael Home
1:25:35 Decrypting Creds.txt with a known plaintext attack in VimCrypt 02 (Blowfish)
1:28:20 Downloading the files to our local box and explaining the attack
1:30:30 Copying our Python Script from earlier and modify it to work with our VIM File
1:38:20 Decrypted the creds and use them to SSH
1:39:10 Analyzing the kryptos.py file
1:41:00 Testing how random the random is
1:46:00 Creating a python script to bruteforce the key as we know the randomness is br
1:57:00 Scr
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