CTF Write-Ups

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CTF Write-Ups

Posted by Kevin Pagano

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Here is a collected list of all of the write-ups I've done for CTFs.

2024

Magnet Virtual Summit

2023

Cellebrite

NahamCon

Magnet User Summit

Android (Part 1)

Android (Part 2)

Magnet Virtual Summit

2022

Magnet User Summit

Cellebrite CTF

Heisenberg's Android

Marsha's iPhone

Magnet Virtual Summit

BloomCON 0X06

Belkasoft CTF March

2021

Cellebrite CTF

Heisenberg's Android

Marsha's iPhone

Marsha's iTunes Backup

Magnet Virtual Summit

Belkasoft CTF March

BloomCON 0x05

Networks - Who Am I? (Challenge 1)

Networks - Exfiltration Investigation (Challenge 2)

2020

Magnet Weekly CTF

Android

Week 1 - Hosts File

Week 2 - Chrome Artifacts

Week 3 - Motion Photos

Week 4 - Evernote GUIDs

Linux

Week 5 - Hadoop Logs

Week 6 - Error Codes

Week 7 - IP Interfaces

Week 8 - PHP Cluster

Memory

Grand Prize

Magnet Virtual Summit

2019

Magnet User Summit

2018

Magnet User Summit

Misc

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December 20241
October 20241
May 20241
April 20242
March 20244
February 20241
January 20243
December 20231
October 20233
September 20232

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Cellebrite CTF 2021 - Heisenberg's Android

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Magnet User Summit 2023 CTF - Android (Part 1)

Previous: Cipher | Android (Part 2) I was a bit anxious to get my hands on a new Android image because it's one of my favorite types of evidence to examine. This year's onsite Magnet User Summit CTF used another Pixel image with a plethora of questions to answer. As such I have broken the writeup into two parts, the first covering 21 questions ranging from 5-10 points. The second covers 18 questions ranging from 15-75 points. Here is part one: Evidence: Google Pixel 3a XL Tools Used: ALEAPP v3.1.7 Magnet AXIOM v7.0 Timeline Explorer v1.3.0.0 So much social media... Need a good handle... (5 points) What username was used for Twitter? This information can be found in two locations: data\system_ce\0\accounts_ce.db data\system_de\0\accounts_de.db Both show listings for Twitter authentication. We can see the account name used was " LTina1900 ". Figure 1: Accounts_ce report in ALEAPP Generic web surfing (5 points) What was the default browser used on this device? The devi...

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