QuestionQ155

Logs and Network Forensics

An organization’s web application was compromised, enabling an attacker to download the entire database. During the initial log review, a forensic investigator identified several occurrences of the string “%2e%2e%2f”. What type of attack might have caused this breach?

  • A Cross-Site Scripting (XSS) attack.
  • B Directory Traversal attack.
  • C SQL Injection attack.
  • D Brute Force attack.
Explanation

%2e%2e%2f is URL encoding for ../, which moves up one directory in a file path. Attackers use these sequences to traverse outside an application’s intended directory structure and access unauthorized files, potentially including database files or backups.

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