Outputs / Deliverables

Primary Outputs

• Intercepted and modified HTTP requests/responses
• Vulnerability scan reports with remediation advice
• HTTP history and site map documentation
• Proof-of-concept exploits for identified vulnerabilities

Core Workflow

Phase 1: Intercepting HTTP Traffic

Launch Burp's Browser

Navigate to integrated browser for seamless proxy integration:

1. Open Burp Suite and create/open project
2. Go to Proxy > Intercept tab
3. Click Open Browser to launch preconfigured browser
4. Position windows to view both Burp and browser simultaneously

Configure Interception

Control which requests are captured:

Proxy > Intercept > Intercept is on/off toggle

When ON: Requests pause for review/modification
When OFF: Requests pass through, logged to history

Intercept and Forward Requests

Process intercepted traffic:

1. Set intercept toggle to Intercept on
2. Navigate to target URL in browser
3. Observe request held in Proxy > Intercept tab
4. Review request contents (headers, parameters, body)
5. Click Forward to send request to server
6. Continue forwarding subsequent requests until page loads

View HTTP History

Access complete traffic log:

1. Go to Proxy > HTTP history tab
2. Click any entry to view full request/response
3. Sort by clicking column headers (# for chronological order)
4. Use filters to focus on relevant traffic

Phase 2: Modifying Requests

Intercept and Modify

Change request parameters before forwarding:

1. Enable interception: Intercept on
2. Trigger target request in browser
3. Locate parameter to modify in intercepted request
4. Edit value directly in request editor
5. Click Forward to send modified request

Common Modification Targets

Example: Price Manipulation

POST /cart HTTP/1.1
Host: target.com
Content-Type: application/x-www-form-urlencoded

productId=1&quantity=1&price=100

# Modify to:
productId=1&quantity=1&price=1

Result: Item added to cart at modified price.

Phase 3: Setting Target Scope

Define Scope

Focus testing on specific target:

1. Go to Target > Site map
2. Right-click target host in left panel
3. Select Add to scope
4. When prompted, click Yes to exclude out-of-scope traffic

Filter by Scope

Remove noise from HTTP history:

1. Click display filter above HTTP history
2. Select Show only in-scope items
3. History now shows only target site traffic

Scope Benefits

• Reduces clutter from third-party requests
• Prevents accidental testing of out-of-scope sites
• Improves scanning efficiency
• Creates cleaner reports

Phase 4: Using Burp Repeater

Send Request to Repeater

Prepare request for manual testing:

1. Identify interesting request in HTTP history
2. Right-click request and select Send to Repeater
3. Go to Repeater tab to access request

Modify and Resend

Test different inputs efficiently:

1. View request in Repeater tab
2. Modify parameter values
3. Click Send to submit request
4. Review response in right panel
5. Use navigation arrows to review request history

Repeater Testing Workflow

Original Request:
GET /product?productId=1 HTTP/1.1

Test 1: productId=2    → Valid product response
Test 2: productId=999  → Not Found response  
Test 3: productId='    → Error/exception response
Test 4: productId=1 OR 1=1 → SQL injection test

Analyze Responses

Look for indicators of vulnerabilities:

• Error messages revealing stack traces
• Framework/version information disclosure
• Different response lengths indicating logic flaws
• Timing differences suggesting blind injection
• Unexpected data in responses

Phase 5: Running Automated Scans

Launch New Scan

Initiate vulnerability scanning (Professional only):

1. Go to Dashboard tab
2. Click New scan
3. Enter target URL in URLs to scan field
4. Configure scan settings

Scan Configuration Options

Monitor Scan Progress

Track scanning activity:

1. View task status in Dashboard
2. Watch Target > Site map update in real-time
3. Check Issues tab for discovered vulnerabilities

Review Identified Issues

Analyze scan findings:

1. Select scan task in Dashboard
2. Go to Issues tab
3. Click issue to view:
   • Advisory : Description and remediation
   • Request : Triggering HTTP request
   • Response : Server response showing vulnerability

Phase 6: Intruder Attacks

Configure Intruder

Set up automated attack:

1. Send request to Intruder (right-click > Send to Intruder)
2. Go to Intruder tab
3. Define payload positions using § markers
4. Select attack type

Attack Types

Configure Payloads

Positions Tab:
POST /login HTTP/1.1
...
username=§admin§&password=§password§

Payloads Tab:
Set 1: admin, user, test, guest
Set 2: password, 123456, admin, letmein

Analyze Results

Review attack output:

• Sort by response length to find anomalies
• Filter by status code for successful attempts
• Use grep to search for specific strings
• Export results for documentation

Quick Reference

Keyboard Shortcuts

Common Testing Payloads

# SQL Injection
' OR '1'='1
' OR '1'='1'--
1 UNION SELECT NULL--

# XSS
<script>alert(1)</script>
"><img src=x onerror=alert(1)>
javascript:alert(1)

# Path Traversal
../../../etc/passwd
..\..\..\..\windows\win.ini

# Command Injection
; ls -la
| cat /etc/passwd
`whoami`

Request Modification Tips

• Right-click for context menu options
• Use decoder for encoding/decoding
• Compare requests using Comparer tool
• Save interesting requests to project

Constraints and Guardrails

Operational Boundaries

• Test only authorized applications
• Configure scope to prevent accidental out-of-scope testing
• Rate-limit scans to avoid denial of service
• Document all findings and actions

Technical Limitations

• Community Edition lacks automated scanner
• Some sites may block proxy traffic
• HSTS/certificate pinning may require additional configuration
• Heavy scanning may trigger WAF blocks

Best Practices

• Always set target scope before extensive testing
• Use Burp's browser for reliable interception
• Save project regularly to preserve work
• Review scan results manually for false positives

Examples

Example 1: Business Logic Testing

Scenario : E-commerce price manipulation

1. Add item to cart normally, intercept request
2. Identify price=9999 parameter in POST body
3. Modify to price=1
4. Forward request
5. Complete checkout at manipulated price

Finding : Server trusts client-provided price values.

Example 2: Authentication Bypass

Scenario : Testing login form

1. Submit valid credentials, capture request in Repeater
2. Send to Repeater for testing
3. Try: username=admin' OR '1'='1'--
4. Observe successful login response

Finding : SQL injection in authentication.

Example 3: Information Disclosure

Scenario : Error-based information gathering

1. Navigate to product page, observe productId parameter
2. Send request to Repeater
3. Change productId=1 to productId=test
4. Observe verbose error revealing framework version

Finding : Apache Struts 2.5.12 disclosed in stack trace.

Troubleshooting

Browser Not Connecting Through Proxy

• Verify proxy listener is active (Proxy > Options)
• Check browser proxy settings point to 127.0.0.1:8080
• Ensure no firewall blocking local connections
• Use Burp's embedded browser for reliable setup

HTTPS Interception Failing

• Install Burp CA certificate in browser/system
• Navigate to http://burp to download certificate
• Add certificate to trusted roots
• Restart browser after installation

Slow Performance

• Limit scope to reduce processing
• Disable unnecessary extensions
• Increase Java heap size in startup options
• Close unused Burp tabs and features

Requests Not Being Intercepted

• Verify "Intercept on" is enabled
• Check intercept rules aren't filtering target
• Ensure browser is using Burp proxy
• Verify target isn't using unsupported protocol

Weekly Installs

0

Repository

automindtechnol…skill.md

First Seen

Jan 1, 1970

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