33C3 CTF Postmortem



SharifCTF 7 – Bsniff

Bsniff was a packet capture file consisting of DNS requests to blockchain.info and GET requests of the form blockchain.info/q/addressbalance/[bitcoin address]?confirmations=6. Here is a Wireshark screenshot with those things: Looking at the HTTP packet details, we can see that the User-Agent is python-requests, suggesting that this pcap basically consists of a Python script making requests to… Continue reading SharifCTF 7 – Bsniff