Computer forensics is a branch of digital forensic science pertaining to evidence found in computers and digital storage media. The goal of computer forensics is to examine digital media in a forensically sound manner with the aim of identifying, preserving, recovering, analyzing and presenting facts and opinions about the digital information.

You are a private investigator and you have 2h to solve 9 crimes. At the end of every crime you will find a flag that looks like ISC{…}.
Are you up to the task?

Here is your data.

All exercises can be solved on the local Linux machine.

This is traffic capture of a suspect that we've been following for a long time. Can you find anything interesting like login credentials?

We've found this file on a confiscated machine, but we can't figure what it is. Can you help us?

There is something uncanny about this image. Is it trying to give us a hint?

During a transmission, one of our files got corrupted. Take a look and see if you can do something about it.

We have intercepted an alien transmission, but there is no way to understand what is it saying. Maybe we should look at it.

There is something wrong with the size of this image. Is there anything else there?

We've found a letter in the trash can of a suspect, but some of the info is censored. Do some magic and find what is underneath the black box.

We stared at this gif for the last hour but nothing is happening. Would you like to join us and stare at it for the next hour?

This is an USB capture of a device connected to a suspect's machine. Can you find what he's been typing?

• Hex Editor
• Wireshark
• Binwalk
• Audacity
• Image extractor
• USB documentation

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