python检测挖矿特征的几种方式

  1 #!/usr/bin/python3
  2 # coding:utf-8
  3 from tkinter import *
  4 import psutil,linecache,ctypes,wmi
  5 import os,datetime,time,platform,sys,socket
  6 
  7 def net_is_used(port,ip=‘127.0.0.1‘):#端口检测
  8     s = socket.socket(socket.AF_INET,socket.SOCK_STREAM)
  9     try:
 10         s.connect((ip,port))
 11         s.shutdown(2)
 12         print(‘%s:%d is used‘ % (ip,port))
 13         return True
 14     except:
 15         print(‘%s:%d is unused‘ % (ip,port))
 16         return False
 17 
 18 def get_network_flow(os):#当前流量特征
 19     if os == "Windows":
 20         c = wmi.WMI()
 21         for interfacePerTcp in c.Win32_PerfRawData_Tcpip_TCPv4():
 22             sentflow = float(interfacePerTcp.SegmentsSentPersec)  #已发送的流量
 23             receivedflow = float(interfacePerTcp.SegmentsReceivedPersec) #接收的流量
 24             present_flow = sentflow+receivedflow    #算出当前的总流量
 25         time.sleep(1)
 26         for interfacePerTcp in c.Win32_PerfRawData_Tcpip_TCPv4():
 27            sentflow = float(interfacePerTcp.SegmentsSentPersec)  #已发送的流量
 28            receivedflow = float(interfacePerTcp.SegmentsReceivedPersec) #接收的流量
 29            per_last_present_flow = sentflow+receivedflow     #算出1秒后当前的总流量
 30         present_network_flow = (per_last_present_flow - present_flow)/1024
 31         return "%.2f"%present_network_flow
 32 
 33 def getMemCpu():
 34     global n
 35     data = psutil.virtual_memory()
 36     total = data.total #总内存,单位为byte
 37     free = data.available #可以内存
 38     memory = "Memory usage:%d"%(int(round(data.percent)))+"%\n"#内存使用率
 39     cpu = "CPU:%0.2f"%psutil.cpu_percent(interval=1)+"%\n"#CPU使用率
 40     if int(round(data.percent))>75 and psutil.cpu_percent(interval=1) > 75:#挖矿一个特征
 41         n=1#☆☆☆阈值
 42     else:
 43         n=0
 44     return memory+cpu
 45 
 46 def get_free_space_mb(folder):#C盘内存剩余量
 47     if platform.system() == ‘Windows‘:
 48         free_bytes = ctypes.c_ulonglong(0)
 49         ctypes.windll.kernel32.GetDiskFreeSpaceExW(ctypes.c_wchar_p(folder), None, None, ctypes.pointer(free_bytes))
 50         return free_bytes.value/1024/1024/1024
 51     else:
 52         st = os.statvfs(folder)
 53         return st.f_bavail * st.f_frsize/1024/1024
 54 
 55 def on_click():#开始检测按钮函数  
 56     global num,n,cont
 57     os = platform.system()
 58     label[‘text‘] = ‘正在检测···‘
 59     info=getMemCpu()
 60     info = info +"C free space:%0.2f"%get_free_space_mb(‘C:\\‘) + "G\n"
 61     flow=get_network_flow(os)
 62     if float(flow) > 3000:#病毒一般占用3033KB/s☆☆☆阈值
 63         n=1
 64     info = info + "traffic:" + flow + "KB/s"
 65     conte=linecache.getlines(‘port.txt‘)#端口在port文件中
 66     for i in range(len(conte)):#病毒一般占用4位数端口，端口范围可选，或针对端口关闭
 67         if net_is_used(int(conte[i])):
 68             n=1
 69     #if net_is_used(xxx):xxx为指定端口
 70     #    n=1
 71     if get_free_space_mb(‘C:\\‘) < 1:
 72         n=1
 73     pids = psutil.pids()
 74     cont=linecache.getlines(‘process.txt‘)
 75     for j in range(len(cont)):
 76             cont[j]=cont[j][:len(cont[j])-1]
 77     for pid in pids:
 78         p = psutil.Process(pid)
 79         #print(p.name())
 80         for j in range(len(cont)):
 81             if p.name() == cont[j]:
 82                 n=1
 83     myfile=open(‘test.txt‘,‘a‘)
 84     if n==0:
 85         message[‘text‘] = ‘本系统现未遭受挖矿攻击\n‘+info
 86         middle=time.strftime(‘%Y%m%d%H%M‘,time.localtime(time.time()))+‘ normal ‘ + str("%.2f"%get_free_space_mb(‘C:\\‘)) + ‘ ‘ + flow
 87         message[‘bg‘] = ‘green‘
 88         myfile.write(‘\n‘+middle)
 89     if n==1:
 90         message[‘text‘] = ‘本系统正在遭受挖矿，紧急！\n‘+info
 91         middle=time.strftime(‘%Y%m%d%H%M‘,time.localtime(time.time()))+‘ warning ‘+ str("%.2f"%get_free_space_mb(‘C:\\‘)) + ‘ ‘ + flow
 92         message[‘bg‘] = ‘yellow‘
 93         myfile.write(‘\n‘+middle)
 94     myfile.close()
 95     label[‘text‘] = ‘完成检测！‘
 96 
 97 def on_click2():#读取日志按钮函数
 98     label[‘text‘] = ‘日志读取‘
 99     content=linecache.getlines(‘test.txt‘)
100     logs=‘‘
101     for i in range(len(content)):
102         mid=‘‘
103         mid=content[i][0:4]+‘.‘+content[i][4:6]+‘.‘+content[i][6:8]+‘ ‘+content[i][8:10]+‘:‘+content[i][10:]
104         logs=logs+mid
105     message[‘text‘] = logs
106 
107 def on_click3():#重置按钮函数
108     message[‘text‘] = ‘‘
109     label[‘text‘] = ‘欢迎使用本反挖矿系统‘ 
110     message[‘bg‘] = ‘white‘
111 
112 def on_click4():#杀死文件中进程函数
113     global n,cont
114     pids = psutil.pids()
115     #cont=linecache.getlines(‘process.txt‘)
116     for pid in pids:
117         p = psutil.Process(pid)
118         #print(p.name())
119         for j in range(len(cont)):
120             if p.name() == cont[j]:
121                 cmd = ‘taskkill /f /t /im ‘+ ‘"‘+cont[j]+‘"‘
122                 os.system(cmd)
123                 message[‘text‘] = ‘指定文件中进程已清除‘
124                 message[‘bg‘] = ‘green‘
125 
126 n=0
127 root=Tk(className=‘反挖矿系统‘)
128 root.geometry(‘400x300‘)
129 label = Label(root)  
130 label[‘text‘] = ‘欢迎使用本反挖矿系统‘  
131 message = Label(root,text=‘‘)   
132 label.pack() 
133 button = Button(root,text=‘开始使用‘,command=on_click)
134 button.pack() 
135 button2 = Button(root,text=‘查看日志‘,command=on_click2)  
136 button2.pack() 
137 button3 = Button(root,text=‘重置界面‘,command=on_click3)  
138 button3.pack()
139 button4 = Button(root,text=‘杀死进程‘,command=on_click4)  
140 button4.pack()
141 message.pack()
142 root.mainloop()