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Vishnuram Rajkumar
Vishnuram Rajkumar

127 Followers

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Published in InfoSec Write-ups

·Jan 14

QuillAudit CTF challenges — Writeup

Solutions of all retired challenges can be found here. 1. Confidential Hash Challenge Description: This contract checks whether the keccak256 hash of aliceHash and bobHash is same to inputted hash. The given task is to find the keccak256 hash of aliceHash and bobHash, which is to get true from checkthehash function. …

Solidity

9 min read

QuillAudit CTF challenges — Writeups
QuillAudit CTF challenges — Writeups
Solidity

9 min read


Published in InfoSec Write-ups

·May 30, 2022

Capture the Ether — Challenge Writeup

I started concentrating in smart contract security and it is really interesting. CaptureTheEther is the game of Ethereum smart contract security. It has interesting challenges. I solved some and made writeup. I will update this writeup as I solve more challenges in it. I started with warmup challenges, those are…

Blockchain

5 min read

Capture the Ether — Challenge Writeup
Capture the Ether — Challenge Writeup
Blockchain

5 min read


Published in InfoSec Write-ups

·Apr 3, 2022

picoCTF 2022- Writeup

So I participated in 2022 picoCTF. I was able to solve some challenges for now, I got busy with some other work during the competition. I will update the writeup continuously once I complete a challenge. Let’s start with 300 points challenges. St3go (Forensics)

Cybersecurity

6 min read

picoCTF 2022- Writeup
picoCTF 2022- Writeup
Cybersecurity

6 min read


Published in InfoSec Write-ups

·Mar 14, 2022

UTCTF 2022 — Writeup

I did some challenges in the UTCTF so I would like to share the writeup of those. Jump around

Forensics

5 min read

UTCTF 2022 — Writeup
UTCTF 2022 — Writeup
Forensics

5 min read


Published in InfoSec Write-ups

·Feb 5, 2022

Beginner picoMini CTF 2022 — Writeup

In this article you can find the writeups for all beginner level picoMini 2022 challenges. runme.py

Picoctf

6 min read

Beginner picoMini CTF 2022 — Writeup
Beginner picoMini CTF 2022 — Writeup
Picoctf

6 min read


Published in InfoSec Write-ups

·Jan 18, 2022

Newark Academy CTF (NACTF) 2021 — Challenge Writeups

This post contains writeups for some challenges in this CTF. 1. Juliet’s Note

Cybersecurity

4 min read

Newark Academy CTF (NACTF) 2021 — Challenge Writeups
Newark Academy CTF (NACTF) 2021 — Challenge Writeups
Cybersecurity

4 min read


Dec 13, 2021

Brief guide to upgrade laptop memory

Identifying the maximum memory supported by your laptop Before upgrading the memory, we can check the maximum memory supported in two ways: Crucial System Scanner — Crucial provides a scanner which scans for computer and identifies the memory present and maximum memory of our computer. It also finds out available and maximum storage.

Laptop

2 min read

Brief guide on upgrading laptop memory
Brief guide on upgrading laptop memory
Laptop

2 min read


Nov 27, 2021

Enumeration of hidden directories and files in Onion sites

There are tools like gobuster and dirbuster which helps in subdomain enumeration of websites. Enumerating subdomains on onion sites requires us to use proxychains to redirect the port to 9050, which connects with Tor and helps in finding hidden folders and directories. Proxychains By default, port is set to connect with…

Osint

1 min read

Enumeration of hidden directories and files in Onion sites
Enumeration of hidden directories and files in Onion sites
Osint

1 min read


Published in InfoSec Write-ups

·Oct 6, 2021

Synkcon CTF 2021 not-hot-dog Writeup

The given text file contains values of n,e and c. This is a RSA decryption challenge.

Cybersecurity

1 min read

Synkcon CTF 2021 not-hot-dog Writeup
Synkcon CTF 2021 not-hot-dog Writeup
Cybersecurity

1 min read

Synkcon CTF 2021 not-hot-dog Writeup

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Published in InfoSec Write-ups

·Sep 30, 2021

DownUnderCTF 2021 — Get over it!

This challenge is an OSINT challenge.

Cybersecurity

1 min read

DownUnderCTF 2021 — Get over it!
DownUnderCTF 2021 — Get over it!
Cybersecurity

1 min read

DownUnderCTF 2021 — Get over it!

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Vishnuram Rajkumar

Vishnuram Rajkumar

127 Followers

Blockchain and Cybersecurity Enthusiast

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