Cyber Security

Useful Resources:

  1. AES Crypt is a file encryption software available on several operating systems that uses the industry standard Advanced Encryption Standard (AES) to easily and securely encrypt files. https://www.aescrypt.com/
  2. Most useful Caesar Cipher Decoder. http://www.dcode.fr/caesar-cipher
  3. A1Z26 Cipher coder/decoder: A1Z26 is very simple direct substitution cypher, where each alphabet letter is replaced by its number in the alphabet. https://planetcalc.com/4884/
  4. Best ASCII Converter: https://www.branah.com/ascii-converter
  5. Best Hash and Password Cracking online: https://crackstation.net/
  6. Always remember to check AtBash and Base32 deciphers. Base32 is not available at Rumkin. Use this url for additional deciphers that are not available on Rumkin. http://emn178.github.io/online-tools/
  7. Best Decipher library online: http://rumkin.com/tools/cipher/
  8. Check File Type Online: http://checkfiletype.com/
  9. URL Param Encoder/Decoder: https://www.urlencoder.org/
  10. Magic Bytes: https://blog.netspi.com/magic-bytes-identifying-common-file-formats-at-a-glance/
  11. Recon tool based on URL: http://toolbar.netcraft.com/ and https://www.shodan.io/ – useful to find out OS of a server.
  12. Online Recon IP Scan: http://www.serversniff.net/tools/httpscipher.php

Recon command: host www.sitename.com (linux)

Foot-printing – Routing path analysis –

DNS Information:

  • dig ANY ankanbasu.com
  • nslookup
  • whois www.sitename.com -> provides a lot of information.

Discover Open ports

  • nmap
  • hping

Ping and Ping Sweep

  • Ping tool for one host
  • Ping sweep for many hosts: nmap -sP 10.5.5.1/28

IP Scanners

Network Emulators:

Many excellent free Security tools:

750 CISSP Questions for Review on Youtube:

Check you password Strength:

Ethical Hacking Tools

  • Recon tool: people search pipl
  • Domain info research – nslookup. There are many options that can be passed to this command line tool that is available in windows, linux and mac. 
  • Path Analyzer pro – traceroute finally makes sense: https://www.pathanalyzer.com/download.opp