using filter:
ip.dst==192.168.100.123
Last active
November 12, 2021 04:01
-
-
Save zarzen/1de31629d5167ab197ca393b983ac277 to your computer and use it in GitHub Desktop.
using scapy create tcp packet and catch it by wireshark
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| from scapy.all import * | |
| def main(): | |
| """ | |
| """ | |
| packet = IP(dst="192.168.100.123")/TCP()/"from scapy packet" | |
| send(packet) | |
| def packet_with_seq_n(): | |
| packet = IP(dst="192.168.100.123", src="192.168.100.144")/TCP(sport=333, dport=222, seq=112344)/"Sequence number 112344" | |
| send(packet) | |
| # we can use sendp to choose different network interface | |
| sendp(packet, iface="en0") | |
| # lsc() can see functions descriptions. | |
| if __name__ == "__main__": | |
| main() | |
| packet_with_seq_n() |
This file contains bidirectional Unicode text that may be interpreted or compiled differently than what appears below. To review, open the file in an editor that reveals hidden Unicode characters.
Learn more about bidirectional Unicode characters
| import sys | |
| from scapy.all import * | |
| from datetime import datetime | |
| test_content = """HTTP/1.1 200 OK\r\nDate: Wed, 22 Nov 2017 02:13:40 GMT\r\nServer: Apache/2.2.22 (Ubuntu)\r\nLast-Modified: Tue, 21 Nov 2017 04:35:07 GMT\r\nAccept-Ranges: bytes\r\nContent-Length: 177\r\nKeep-Alive: timeout=500, max=100\r\nConnection: Keep-Alive\r\nContent-Type: text/html\r\n\r\n<html><body><h1>It !!!!!!</h1> | |
| <p>This is the default web page for this server.!!!!!</p> | |
| <p>The web server software is running but no content has been added, yet.</p> | |
| </body></html>""" + datetime.now().strftime("%m/%y %H:%M:%S") | |
| def main(): | |
| """""" | |
| dst_ip = sys.argv[1] | |
| dst_port = int(sys.argv[2]) | |
| src_ip = sys.argv[3] | |
| src_port = int(sys.argv[4]) | |
| seq_n = int(sys.argv[5]) | |
| ack_n = int(sys.argv[6]) | |
| ip_id = int(sys.argv[7]) | |
| ip_flags = int(sys.argv[8]) | |
| # build packet | |
| ip = IP(src=src_ip, dst=dst_ip, id=ip_id, flags=ip_flags) | |
| tcp = ip / TCP(sport=src_port, dport=dst_port, flags='PA', | |
| seq=seq_n, ack=ack_n) / test_content | |
| tcp.display() | |
| print("length of packet {}".format(len(tcp))) | |
| send(tcp) | |
| if __name__ == '__main__': | |
| main() |
Sign up for free
to join this conversation on GitHub.
Already have an account?
Sign in to comment
what the difference between send-packet.py and send.py?