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Scapy the packet 途中01
- 2. SCAPY 2
- 3. SCAPY SCAPY ▸ Python ⭐ ▸ 2011 Release 👉 ▸ HP secdev.org 👉Python2 ▸ Python3 👉 ▸ PhilippeBiondi 👉 3
- 5. SCAPY SCAPY 5 Wireshark hping3 ASIC openflow send socket socket 👉 recv sniff 1pkt dissector dissect 👉 Scapy L5 👉 L7 👉 👉
- 6. SCAPY SCAPY 6 ▸ Scapy 1. Scapy Field 2. Scapy Packet 3. Scapy bind ‣ Scapy GPLv2 scapy/modules load_module("<module name>") scapy/contrib load_contrib("<proto name>")
- 8. SCAPY ▸ Packet - scapy.packet.Packet IP TCP Field https://github.com/phaethon/scapy/blob/master/scapy/packet.py ▸ Field - scapy.fields.Field IP Field https://github.com/phaethon/scapy/blob/master/scapy/fields.py 8SCAPY Packet Field Field
- 9. ▸ Transmission Control Protocol [https://www.ietf.org/rfc/rfc793.txt] Scapy Field Scapy TCP Padding Scapy TCP data Payload 9SCAPY SCAPY TCP / RFC TCP
- 10. ▸ Packet MUST fields_desc : list Field Building : fields_desc Field Padding CheckSum Build Payload Dissecting : Wireshark (Dissector) Dissection Payload Binding : Building Dissecting Payload MAY Show/Display : PACKET CLASS 10 ※ SCAPY
- 11. FIELD CLASS 11SCAPY ▸ Field i2m h2i m: ( ) b"¥x00¥x01¥x02...." ※Python2 str Python3 bytes i: ( ) Python str,bytes,int,long, h: ( ) Scapy named flag, enum,... repr: ++( ) repr() ‣ Field Field
- 12. ▸ ▸ bytes(pkt) Packet.build() ▸ Field struct.pack ▸ Padding ▸ Binding Payload Building BUILDING 12SCAPY
- 13. ▸ ▸ Ether(“xxxxxx”) (L2 RadioTap) payload ▸ L2 conf.l2types ▸ Binding Payload Dissecting DISSECTING 13SCAPY
- 14. ▸ Building Dissecting ▸ bind_layers() ▸ Scapy ▸ Packet.guess_payload_class() ▸ BINDING 14SCAPY
- 15. IP 15
- 17. OK? 17
- 18. CHALLENGE! 18
- 19. ▸ ▸ 👉 Chap.6 ADDING NEW PROTOCOLS ▸ CHALLENGE! 19SCAPY
- 20. 20SCAPY CHAP.6 ADDING NEW PROTOCOLS
- 21. 21SCAPY CHAP.6 ADDING NEW PROTOCOLS
- 22. 22SCAPY CHAP.6 ADDING NEW PROTOCOLS
- 23. ▸ Packet ▸ ▸ ▸ 1 23SCAPY SIMPLE EXAMPLE!? 2
- 24. ▸ ▸ ▸ OSI 7 ▸ ▸ Padding 7 ▸ 3 24SCAPY SIMPLE EXAMPLE
- 25. 25
- 27. 27SCAPY
- 28. HTCPCP 28SCAPY
- 29. HTCPCP HYPER TEXT COFFEE POT CONTROL PROTOCOL 29
- 31. 31
- 32. ▸ py2K latest: http://github.com/secdev/scapy ▸ (py3K ) latest: https://github.com/phaethon/scapy ▸ http://www.dirk-loss.de/scapy-doc/Scapy.pdf ▸ http://packetlife.net/media/library/36/scapy.pdf 32SCAPY
- 33. ENJOY 33SCAPY