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Exam (elaborations)

CREST CPSA Questions and Correct Answers the Latest Update

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fgdump A utility for dumping passwords on Windows NT/2000/XP/2003 machines Reserved Internal IPs 10.0.0.0/8 (10.0.0.0-10.255.255.255) : Private 127.0.0.0/8 (127.0.0.0-127.255.255.255) : Local Host Loopback 172.16.0.0/12 (172.16.0.0-172.31.255.255) : Private 192.168.0.0/16 (192.168....

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  • October 26, 2024
  • 46
  • 2024/2025
  • Exam (elaborations)
  • Questions & answers
  • CREST
  • CREST
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CREST CPSA Questions and
Correct Answers the Latest Update
fgdump

✓ A utility for dumping passwords on Windows NT/2000/XP/2003 machines



Reserved Internal IPs

✓ 10.0.0.0/8 (10.0.0.0-10.255.255.255) : Private

✓ 127.0.0.0/8 (127.0.0.0-127.255.255.255) : Local Host Loopback

✓ 172.16.0.0/12 (172.16.0.0-172.31.255.255) : Private

✓ 192.168.0.0/16 (192.168.0.0-192.168.255.255) : Private



Symmetric Encryption

✓ DES/3DES
✓ AES
✓ Twofish
✓ Blowfish
✓ Serpent
✓ IDEA
✓ RC4, RC5, RC6
✓ CAST



Asymmetric Encryption




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✓ RSA
✓ El Gamal
✓ ECC Eliptic Curve
✓ Diffie-Helman (Key Exchange)
✓ Paillier
✓ Merkle-Helman
✓ Cramer-Shoup



Oracle Default Credentials

✓ --Username | Password--
✓ SYSTEM | MANAGER
✓ ANONYMOUS | ANONYMOUS
✓ SCOTT | TIGER
✓ OLAPSYS | MANAGER
✓ SYS | CHANGE_ON_INSTALL



TTL for Windows

✓ 128



TTL for Linux

✓ 64



TTL for Networking Devices / Solaris

✓ 255



Cisco Password Encryption




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✓ secret 4 : Crappy SHA256
✓ secret 5 : Salted MD5
✓ secret 7: Crappy Cisco encryption to prevent cleartext in the config
✓ secret 8 : PBKDF2 (Password-Based Key Derivation Function 2) *bruteforce target*
✓ secret 9 : scrypt (BINGO)



SMTP Requests

✓ MAIL
✓ RCPT
✓ DATA



SNMP Requests

✓ Get
✓ GetNext
✓ Set
✓ GetBulk
✓ Response
✓ Trap
✓ Inform



SQL Injections (Escape Characters)

✓ ' OR '1' = '1' --
✓ ' OR '1' = '1' {
✓ ' OR '1' = '1' /*



SQL Injections (Type Handling)

✓ 1;DROPTABLE users



Linux File Permissions
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✓ drwxrwxrwx 2 user(owner) group size date filename

✓ d | rwx | rwx | rwx
✓ Filetype | User | Group | Everyone



Linux Command : Change Password

✓ passwd <user>



Linux Command : Find Files of Type

✓ find . -type f -iname '*.pdf'
✓ locate '*.pdf'



Linux File System Structure

✓ /bin - User Binaries
✓ /boot - Bootup related files
✓ /dev - Interface for system devices
✓ /etc - System Config Files
✓ /home - Base directory for user files
✓ /lib - Critical software libraries
✓ /opt - Third party software
✓ /proc - System and running processes
✓ /root - Home for root
✓ /sbin - Sys Admin binaries
✓ /tmp - Temporary Files
✓ /usr - Less critical files
✓ /var - Variable system files



Solaris Command : Process Listing




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