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EV3 Arm - HITCON Quals 2019

f4lc0n
2019-10-16
Reversing / Automation

tl;dr

  1. Decompile the given RBF file
  2. Extract the low level instructions.
  3. Write a script to plot the lines.
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EV3 Robot HITCON PIL RBF

Web writeups - InCTF Internationals 2019

SpyD3r
2019-10-16
Web Exploitation

Hey, I am SpyD3r(TarunkantG) and In this blog I will be discussing all the 5 web challenges that I made for InCTFi 2019 and a lot of SQLi and bypassing disable_functions tricks.

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InCTFi SSRF PHP Gopherus

EV3 Player - HITCON Quals 2019

stuxn3t
2019-10-14
Forensics / Network

tl;dr

  • EV3 Robot pklg analysis
  • .RSF file recovery
Read More
EV3 Robot Wireshark HITCON

bartender - InCTF Internationals 2019

slashb4sh
2019-10-11
Pwn / Windows

Writeup from InCTFi 2019 bartender

tl;dr Windows 32-bit SEH exploitation

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InCTFi Exploitation Write-up Windows

pwnbox - InCTF Internationals 2019

night_f0x
2019-10-11
Pwn / Kernel-Exploitation

tl;dr

  • double fput() leading to uaf

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writeup pwn Kernel Exploitation

"...---..." - InCTF Internationals 2019

f4lc0n
2019-10-10
Forensics / Network

Write-Up for the “…—…” challenge from InCTF Internationals 2019

tl;dr

  1. Alert signals encoded in morse transfered to the Mi-Band
  2. Traverse through the packets and find the appropriate BLE handles of the encoded message
  3. Decode the morse encoded message
Read More
InCTFi Wireshark BLE Morse Code

ateles - InCTF Internationals 2019

sherl0ck
2019-10-09
Pwn / Browser-Exploitation

tl;dr 2 element overflow in Array when jit compiled

Read More
Exploitation Write-up CTF JIT spidermonkey

Fresh From The Oven - InCTF Internationals 2019

g4rud4
2019-10-03
Forensics / Network

tl;dr

  • Decoding the strings found in TCP stream 0.
  • Analysing and extracting data sent via different ports of TCP.
  • Using character-wise caesar from the extracted data.
  • Zip cracking
Read More
InCTFi Wireshark Stego

PRetty stroNG - InCTF Internationals 2019

v3ct0r
2019-10-01
Crypto / PRNG

Intended solution of PRetty stroNG challenge from InCTF Internationals 2019

tl;dr

  • Recover sample outputs from PRNG
  • reverse wrapper function
  • find seed from outputs
  • get the flag
Read More
InCTFi PRNG DLP ElGamal

Wannavmbe - InCTF Internationals 2019

Freakston
2019-09-30
Reversing / Windows

Intended solution of Wannavmbe challenge from InCTF Internationals 2019

tl;dr

  • Challenge is a VM.
  • Reverse Instruction types and implementation.
  • Understand that it has a fucntion which takes the base64 of CWD (Current working directory).
  • Find the corrcect directory where it needs to be placed.
Read More
VM Windows Reversing Automation

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