"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 [...]
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, [...]
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 [...]