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perfectblue/ctf-writeups
Ummm

Just hii😁
  • amirhossein01
  • Opened 
    on Nov 19, 2021
  • #13

perfectblue/ctf-writeups
question about machbookair from balson ctf 2020

1. How did you managed to leak both canary and pie address in one run within 90s?, for me, leaking canary takes about 60s and I ran my script from a server located in singapore. My solution leaks ...
  • Kyle-Kyle
  • 2
  • Opened 
    on Nov 16, 2020
  • #12

perfectblue/ctf-writeups
googleCTF2020/echoserver

I read your solution and I see the commented code sending 64 connections through 64 different threads. In my understanding, this should hurt stability a lot. I just wonder how unstable it was compared ...
  • Kyle-Kyle
  • 4
  • Opened 
    on Aug 24, 2020
  • #10

perfectblue/ctf-writeups
googleCTF 2020 / tracing: Which DC?

I rented a VPC in all three DCs in Amsterdam, and got ~1ms latency with significant fluctuation. I likely could have obtained a sufficiently crisp signal from one of them, but it would have required averaging ...
  • is8ac
  • 3
  • Opened 
    on Aug 24, 2020
  • #9

perfectblue/ctf-writeups
Small doubt in a recent writeup

Hello, I was going through the exploit code for the recent Tokyowestern CTF Quals posted by you. The specific script is here. I just wanted to know why the bss with 0x20 offset was passed as a parameter ...
  • shreyansh26
  • 5
  • Opened 
    on Sep 3, 2019
  • #7

perfectblue/ctf-writeups
How to include the header?

Can you please tell me how to include the header...
  • msrkp
  • 1
  • Opened 
    on Jan 22, 2019
  • #6

perfectblue/ctf-writeups
How to run KVM file

Hello, sorry for this issue but I have a problem with the kvm file. The problem that I have is that I don t know how to run the file. When I try to run it my Kali says that open /dev/kvm: No such file ...
  • VictorAlonsoCM
  • 9
  • Opened 
    on Oct 19, 2018
  • #5

perfectblue/ctf-writeups
blazeme: kallsyms

Hey cool write-up! I was wondering how you were able to get kernel addresses commit_creds(prepare_kernel_cred(0)); without root on the box?
  • robgalvan
  • 4
  • Opened 
    on Sep 18, 2018
  • #4

perfectblue/ctf-writeups
keeping crash after unpacking with upx3.94w

Hi I m facing crash issues after unpack WH2018.exe with upx394w\upx.exe. The unpacked file are keeping crash. Could you give me some suggestion? Thanks. I have attached the file I m trying to unpack. ...
  • ruleil
  • 5
  • Opened 
    on Sep 9, 2018
  • #3

perfectblue/ctf-writeups
WHITEHATgrandprix2018 pwn03 nice writeup. Thank you!

https://github.com/perfectblue/ctf-writeups/blob/master/whitehat-grandprix-2018/pwn03_onehit.md Hi i am author of this chal :D You dont have to guess ASLR base if you can run system(null); (by answer N0 ...
  • LePhamThienHongAn
  • 3
  • Opened 
    on Sep 4, 2018
  • #2
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