CTF Writeup – MISC: Mafia at the End of the Block 1
📝 This writeup covers a MISC challenge where a PCAP file was provided for analysis. The goal was to investigate network traffic, extract a link, and use OSINT techniques to retrieve the flag.
- PCAP Analysis: Inspecting network traffic in Wireshark to extract relevant data.
- Link Discovery: Identifying a URL in the traffic leading to
ExportChat.zip, which contained chat conversations. - Blockchain Investigation: Searching for a smart contract address in the PCAP and looking it up on the Sepolia network blockchain explorer.
- Flag Recovery: Analyzing the smart contract's details to retrieve the flag.
This challenge combined network forensics, OSINT, and blockchain investigation, requiring a structured approach to uncover hidden information.