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Showing posts from January, 2017

Base CTF 2016 Pwn Challenges and Writeup ( Part V )

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Pwn06: Try Harder! by Ye Yint Min Thu Htut

Challenges Download: Solution:
let begin with debugger.
Damn, he wanted “BABE” ! ;) So, let find the crash point and combine into final payload.

Done ! :) Enjoy guys ! Ye Yint Min Thu Htut

Base CTF 2016 Pwn Challenges and Writeup ( Part IV )

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Pwn05: Talk another one ! by Ye Yint Min Thu Htut

Challenges Download: Solution:
It is simple buffer overflow challenge. You have to find crash point and function address to print flag.Let create pattern to find crash point as smart way.

Save as pwn. Run with the debugger and load the payload to get offset.

Then, let explore the suspected function.

Got it at 0x0804846b !
 Let create final payload to get flag.
 Pwned ! :)
Enjoy guys ! Ye Yint Min Thu Htut

Base CTF 2016 Pwn Challenges and Writeup ( Part III )

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Pwn04: Bypass me ! by Ye Yint Min Thu Htut

Challenges Download: Solution:

For this challenge, you have to bypass ARP filtering to get grant. Let seek for authorized MAC address.


Found 00:0C:29:04:a1:a , you can fuzz [0 to F] to get last char and replace with your existing MAC address.

Easy ? :)
Cheers ! Ye Yint Min Thu Htut

Base CTF 2016 Pwn Challenges and Writeup ( Part II )

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Pwn03: Dun forgot your environment! by Ye Yint Min Thu Htut

Challenges Download: Solution:

“System is calling date” is hint for that challenge. It is also principle privilege escalation challenge. Let create our own “Date” to get grant.
Pwned ! :)
Cheers !  Ye Yint Min Thu Htut

Base CTF 2016 Pwn Challenges and Writeup ( Part I )

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