Hashing - Crypto 101 - TryHackMe Write-up
Info
- Name: Hashing - Crypto 101
- Description: An introduction to Hashing, as part of a series on crypto
- Difficulty: Medium
- Room link: https://tryhackme.com/room/hashingcrypto101
Write-up
Overview
In this write-up I don't show any prints as I mostly used online websites for crack hashes.
Task 1
Q: Is base64 encryption or encoding?
A: Encoding
Task 2
Q: What is the output size in bytes of the MD5 hash function?
A: 16
Q: Can you avoid hash collisions? (Yea/Nay)
A: Nay
Q: If you have an 8 bit hash output, how many possible hashes are there?
A: 256
Task 3
Q: Crack the hash "d0199f51d2728db6011945145a1b607a" using the rainbow table manually.
A: basketball
Q: Crack the hash "5b31f93c09ad1d065c0491b764d04933" using online tools
A: tryhackme
Q: Should you encrypt passwords? Yea/Nay
A: Nay (You should hash it)
Task 4
Q: How many rounds does sha512crypt ($6$) use by default?
A: 5000
Q: What's the hashcat example hash (from the website) for Citrix Netscaler hashes?
A: 1765058016a22f1b4e076dccd1c3df4e8e5c0839ccded98ea
Q: How long is a Windows NTLM hash, in characters?
A: 32
Task 5
Q: Crack this hash: $2a$06$7yoU3Ng8dHTXphAg913cyO6Bjs3K5lBnwq5FJyA6d01pMSrddr1ZG
A: 85208520
Q: Crack this hash: 9eb7ee7f551d2f0ac684981bd1f1e2fa4a37590199636753efe614d4db30e8e1
A: halloween
Q: Crack this hash: $6$GQXVvW4EuM$ehD6jWiMsfNorxy5SINsgdlxmAEl3.yif0/c3NqzGLa0P.S7KRDYjycw5bnYkF5ZtB8wQy8KnskuWQS3Yr1wQ0
A: spaceman
Q: Bored of this yet? Crack this hash: b6b0d451bbf6fed658659a9e7e5598fe
A: funforyou
Task 6
Q: What's the SHA1 sum for the amd64 Kali 2019.4 ISO? http://old.kali.org/kali-images/kali-2019.4/
A: 186c5227e24ceb60deb711f1bdc34ad9f4718ff9
Q: What's the hashcat mode number for HMAC-SHA512 (key = $pass)?
A: 1750
