Hack like a pro with burp suite

1. Hack Like a Pro
with Burp Suite
/pavanw3b

2. What do you learn?
I’m a boring geek
Burp Suite is your best friend
Some really cool tweaks

3. ~$ whoami
pavanw3b
Yet another w3bAppSec guy
break-fix-repeat
Security Engineer @
ServiceNow

4. Who’s an expert here?

5. More than an interception
proxy
Burp Suite

6. Start like a Pro
$ java –jar –Xmx4G
/path/burpsuite.jar
• Let burp use up to 4GB
• Default can be as low as 128MB
• But not more than 4GB

7. Better Proxy-ing
Global
Just Firefox
Moody?FoxyProxy

8. Focus on Target
It’s your Desktop
Set better Scope
Compare Site
maps
Drop out-of-
scope Options > Connections

9. Better Filter Target
See In-scope
items
Hide not-found
Demo

10. Playing around Proxy
Play around Message Analytics
Can also contain XML, AMF & View
State
Intercept Request
Intercept Response
HTTP history: Params & Filter
Unhide hidden form fields

11. Exploiting with Intruder
Send lots of data & make sense of
response
Username Enumeration, Directory
Fuzzing – XSS, SQLi, Path traversal
Add payload: FuzzDB, WebAppURLs,
OWASP DirBuster
Demo: Save & Load attack Config

12. Stay calm & use
Scanner
Passive Scanning
Active Scanning
Use wise!
Crawl -> Scan
Demo
Don’t make too fast
Be in-scope

13. Never miss anything - Repeater
Scratchpad
Demo
Change the way you want it
Try OPTIONS

14. The good Spider
Create lots of Pollution
Form Submissions
Do after manual Crawl
Demo
Some are only on Prod:
robots.txt
Careful - Delete all users

15. All about tokens - Sequencer
Test how random it is..
Session, CSRF, Password reset etc
Min 100 tokens required

16. Find the secret - Decode
No Key - No Security
Encode != Security
Demo
Send to Decoder

17. Confused? Use Comparer
Compare
responses
Blind SQLi
Compare by
Words
ByteByte: Computationally costly
Demo: Compare 2 responses

18. Engagement Tools
Search
Find in Comments, Scripts, Ref
Analyze Target
Discover Content

19. Wanna add? Extender
Jython, JRuby etc
BApp Store
java.lang.OutOfMemoryError?
java -XX:MaxPermSize=1G -jar
burpsuite.jar

20. Maintenance
Save State
Save in-scope only
Restore State
Don’t restore from untrusted sources
Auto backup
Schedule Task: Save State - Creates only
1file

21. Some more if you need
Right click & you got all
Shortcuts: Options > Misc > Hotkeys

22. References & Reads
Burp Suite Essentials by Akash Mahajan
10 Unbeatable Features of Burp Suite
Pro
Official Documentation
Pen Testing with Burp Suite
Real life tips & tricks

23. Am I really
boring?
Pavan
http://pavanw3b.com
fb/pavanw3b | @pavanw3b