Files
ctf/2025/cscg/forensics/intro2/extract_flag.py
2025-06-06 03:13:31 +02:00

13 lines
270 B
Python

from scapy.all import rdpcap
packets = rdpcap("./intro-forensics-2.pcapng")
filterd_packets = [packet for packet in packets if len(packet) == 87]
flag = b""
for packet in filterd_packets:
flag += bytes.fromhex(hex(packet['TCP'].dport)[2:])
print(flag.decode())