Format String Exploit Troubleshooting Over Twitter - bin 0x11 b

Helping somebody with a simple format string exploit via twitter. Getting stuck with problems is one of the most frustrating but best ways to learn. That's why I like to help people figure out their own issues, rather than just telling them.

https://exploit.education/protostar/

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00:00 Intro
00:59 Question via Twitter DM
02:16 My Initial Thoughts and Analysis
03:20 Format String Recap
04:30 Analyzing The Broken Script
05:39 "Where is the flag?" What is the challenge goal?
06:20 Question 1: What does %s do?
07:16 Question 2: What is the difference between %x and %s?
08:07 GO WATCH MY OLD VIDEOS!
08:28 Question 3: Does %s print strings from the stack?
09:09 Binary Exploitation Episode 0x1E & Google Solutions
10:45 Question 4 Going Back to Basics!
12:05 Question 5: How to print actual stack values?
13:05 Miscommunication via Text Messages
13:45 Wrong Challenge Assumptions
14:33 Miscommunication Again
15:35 Testing %x
15:56 Recognizing ASCII in hexdump
17:10 Typical Format String Exploit Issues
17:59 Running Into More Weird Bugs
20:23 Debugging The Script
21:45 Almost Solved It!
22:45 Found the Flag!
23:20 Ooops! They Had Solved It Earlier
23:34 Conclusion: Helping People Takes Time
24:15 Is This a Good Video?
24:39 Outro

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