exercises

/exercises
21 04, 2016

Creating a Network Decoy with Pcapteller

By |2017-01-31T19:30:37+02:00april 21st, 2016|Categories: exercises, Pcapteller, tools|Kommentarer er skrudd av for Creating a Network Decoy with Pcapteller

"I see dead people... walking around like regular people". With these words, a very young Haley Joel Osment began to tell Bruce Willis his scary secret in The Sixth Sense. That movie scene is in fact an analogy that some network security analysts may relate to. Concepts like network traffic replay could provide a [...]

3 08, 2015

Pcapteller – Customizing and Replaying Network Traffic

By |2017-01-24T18:42:49+02:00august 3rd, 2015|Categories: exercises, Pcapteller, tools|Kommentarer er skrudd av for Pcapteller – Customizing and Replaying Network Traffic

Pcapteller is a tool that allows the customization and replay of recorded network traffic. Mainly, the tool can help blue teams training their network security monitoring skills, by reusing resources already available on the Internet (e.g. PCAP files). The tool also helps increasing the degree of realism of the scenarios included in the PCAPs, [...]

12 07, 2015

Exercise With Block Cipher Modes

By |2017-01-24T18:43:34+02:00juli 12th, 2015|Categories: exercises|Kommentarer er skrudd av for Exercise With Block Cipher Modes

Today, I would like to propose a simple exercise based on AES-128, and two different block cipher modes: ECB and CBC. The idea is to prove how a secure encryption algorithm encrypts some data based on these block cipher modes. The results will show that even when encrypted, the information might not be protected [...]