New Re2PCAP tool speeds up PCAP process for Snort rules
Summary: Cisco Talos released a tool called Re2Pcap that generates a PCAP file in seconds from a raw HTTP request or response, using a Docker image under 90MB with no complex setup. The tool uses the Python3 requests library to send parsed raw requests, supporting GET, POST, HEAD, DELETE, OPTIONS, PATCH and PUT, and Python3 http.server.BaseHTTPRequestHandler to handle them, illustrated with the raw HTTP POST request from the Sierra Wireless AirLink ES450 ACEManager iplogging.cgi command injection vulnerability.
Why it matters: Snort rule development depends on PCAPs, and a sub-90MB tool that turns a raw HTTP request into a testable PCAP in seconds shortens the path from a published exploit request to a working detection rule.
Read the original at Cisco Talos ↗
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