CREST CPSA Exam Study Guide with Complete Solutions

CREST CPSA Exam Study Guide with Complete Solutions fgdump - Answer-A utility for dumping passwords on Windows NT/2000/XP/2003 machines Reserved Internal IPs - Answer-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 - Answer-DES/3DES AES Twofish Blowfish Serpent IDEA EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER 2024. Page 2/43 RC4, RC5, RC6 CAST Asymmetric Encryption - Answer-RSA El Gamal ECC Eliptic Curve Diffie-Helman (Key Exchange) Paillier Merkle-Helman Cramer-Shoup Oracle Default Credentials - Answer---Username | Password-- SYSTEM | MANAGER ANONYMOUS | ANONYMOUS SCOTT | TIGER OLAPSYS | MANAGER SYS | CHANGE_ON_INSTALL TTL for Windows - Answer-128 TTL for Linux - Answer-64 EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER 2024. Page 3/43 TTL for Networking Devices / Solaris - Answer-255 Cisco Password Encryption - Answer-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 - Answer-MAIL RCPT DATA SNMP Requests - Answer-Get GetNext Set GetBulk Response Trap Inform SQL Injections (Escape Characters) - Answer-' OR '1' = '1' -- EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER 2024. Page 4/43 ' OR '1' = '1' { ' OR '1' = '1' /* SQL Injections (Type Handling) - Answer-1;DROPTABLE users Linux File Permissions - Answer-drwxrwxrwx 2 user(owner) group size date filename d | rwx | rwx | rwx Filetype | User | Group | Everyone Linux Command : Change Password - Answer-passwd user Linux Command : Find Files of Type - Answer-find . -type f -iname '*.pdf' locate '*.pdf' Linux File System Structure - Answer-/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 EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER 2024. Page 5/43 /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 - Answer-prstat -a Solaris Command : Services and Status - Answer-svcs -a Solaris Command: Start Service (Admin) - Answer-svcadm start service NT 3.1 Versions - Answer-Windows NT 3.1 (All) NT 3.5 Versions - Answer-Windows NT 3.5 (All) NT 3.51 Versions - Answer-Windows NT 3.51 (All) NT 4.0 Versions - Answer-Windows NT 4.0 (All) NT 5.0 Versions - Answer-Windows 2000 (All) NT 5.1 Versions - Answer-Windows XP (Home, pro, MC, Tablet, PC, Starter, Embedded) NT 5.2 Versions - Answer-Windows XP (64 bit, Pro 64 bit) Windows Server 2003 and R2 EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER 2024. Page 6/43 Windows Home Server NT 6.0 Versions - Answer-Windows Vista (All) Windows Server 2008 (Foundation, Standard, Enterprise) NT 6.1 Versions - Answer-Windows 7 (All) Windows Server 2008 R2 (All) NT 6.2 Versions - Answer-Windows 8 Windows Phone 8 Windows Server 2012 %SYSTEMDRIVE% - Answer-Contains the boot options for computers with BIOS firmware running NT-based operating system prior to Windows Vista %SYSTEMROOT%repairSAM %SYSTEMROOT%System32configRegBackSAM - Answer-Stores Windows users' passwords in a hashed format (in LM hash and NTLM hash). These are backups of C:windowssystem32configSAM Windows Commands : System Info - Answer-ver : OS Version sc query state=all : Services tasklist /svc : Processes and Services EMILLECT 2024/2025 ACADEMIC YEAR ©2024 EMILLECT. ALL RIGHTS RESERVED. FIRST PUBLISH OCTOBER 2024. Page 7/43 echo %USERNAME% : Current user Windows Command : Find Files of Type - Answer-dir /a /s /n c:*.pdf* Windows Commands : Add User, Make Admin - Answer-net user user pass /add net localgroup "Administrators" user /add Linux Command : Add User, Make Sudoer - Answer-useradd user (adduser user) passwd user sudo useradd user sudo (sudo adduser user sudo) Command : View Network Info - Answer-Linux: ifconfi