Question

Difficulty: EasyNetwork Security Monitoring and Alerting

A network security analyst reviews an intrusion detection alert showing an incoming HTTP GET request containing the payload `SELECT * FROM accounts WHERE user_id = '1' OR '1'='1'`. A analyst team member flags the alert as a Cross-Site Scripting (XSS) event. Which of the following best describes why this alert interpretation is incorrect?

  1. The payload targets backend database query execution rather than executing malicious scripts within a target user's web browser.Answer
  2. B
    The alert payload represents a Cross-Site Scripting vector because SQL commands are executed on the client browser.
  3. C
    The alert should be categorized as a compensating control failure because the network perimeter firewall permitted the HTTP request.
  4. D
    The alert represents a honeypot deployment failure because the network intrusion detection system did not automatically divert traffic to a decoy host.

Answer

The payload targets backend database query execution rather than executing malicious scripts within a target user's web browser.
The correct answer highlights that SQL injection attacks attempt to manipulate structured database queries executed on backend database servers. Cross-Site Scripting (XSS), by contrast, relies on injecting client-side scripts (such as JavaScript) that execute in the context of an end user's browser.

Step-by-Step Solution

1
Analyze the alert payload
Identified database query commands (`SELECT * FROM accounts WHERE user_id = '1' OR '1'='1'`).
Recognizing database syntax is necessary to classify the attack vector accurately.
2
Compare SQL Injection and Cross-Site Scripting characteristics
SQL Injection targets backend database manipulation, while XSS targets client-side browser script execution.
Differentiating backend database command execution from client-side script execution clarifies the misdiagnosis.

Key Concept

Distinguishing SQL Injection from XSS in Network Security Monitoring Alerts
Estimated Time:45s
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