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#2610: removed tap logic from ransomware script

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This commit is contained in:
Czar Echavez
2024-06-04 13:17:26 +01:00
parent c705a15d00
commit 5c23276be5
2 changed files with 4 additions and 119 deletions
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122
src/primaite/simulator/system/applications/red_applications/ransomware_script.py
View File

@@ -22,21 +22,9 @@ class RansomwareAttackStage(IntEnum):
NOT_STARTED = 0 NOT_STARTED = 0
"Indicates that the attack has not started yet." "Indicates that the attack has not started yet."
DOWNLOAD = 1 SUCCEEDED = 1
"Installing the Encryption Script - Testing"
INSTALL = 2
"The stage where logon procedures are simulated."
ACTIVATE = 3
"Operating Status Changes"
PROPAGATE = 4
"Represents the stage of performing a horizontal port scan on the target."
COMMAND_AND_CONTROL = 5
"Represents the stage of setting up a rely C2 Beacon (Not Implemented)"
PAYLOAD = 6
"Stage of actively attacking the target."
SUCCEEDED = 7
"Indicates the attack has been successfully completed." "Indicates the attack has been successfully completed."
FAILED = 8 FAILED = 2
"Signifies that the attack has failed." "Signifies that the attack has failed."
@@ -56,10 +44,6 @@ class RansomwareScript(Application):
"""Password required to access the database.""" """Password required to access the database."""
payload: Optional[str] = "ENCRYPT" payload: Optional[str] = "ENCRYPT"
"Payload String for the payload stage" "Payload String for the payload stage"
target_scan_p_of_success: float = 0.9
"Probability of the target scan succeeding: Default 0.9"
c2_beacon_p_of_success: float = 0.9
"Probability of the c2 beacon setup stage succeeding: Default 0.9"
ransomware_encrypt_p_of_success: float = 0.9 ransomware_encrypt_p_of_success: float = 0.9
"Probability of the ransomware attack succeeding: Default 0.9" "Probability of the ransomware attack succeeding: Default 0.9"
repeat: bool = False repeat: bool = False
@@ -90,7 +74,7 @@ class RansomwareScript(Application):
@property @property
def _host_db_client(self) -> DatabaseClient: def _host_db_client(self) -> DatabaseClient:
"""Return the database client that is installed on the same machine as the Ransomware Script.""" """Return the database client that is installed on the same machine as the Ransomware Script."""
db_client = self.software_manager.software.get("DatabaseClient") db_client: DatabaseClient = self.software_manager.software.get("DatabaseClient")
if db_client is None: if db_client is None:
self.sys_log.warning(f"{self.__class__.__name__} cannot find a database client on its host.") self.sys_log.warning(f"{self.__class__.__name__} cannot find a database client on its host.")
return db_client return db_client
@@ -108,16 +92,6 @@ class RansomwareScript(Application):
) )
return rm return rm
def _activate(self):
"""
Simulate the install process as the initial stage of the attack.
Advances the attack stage to 'ACTIVATE' attack state.
"""
if self.attack_stage == RansomwareAttackStage.INSTALL:
self.sys_log.info(f"{self.name}: Activated!")
self.attack_stage = RansomwareAttackStage.ACTIVATE
def run(self) -> bool: def run(self) -> bool:
"""Calls the parent classes execute method before starting the application loop.""" """Calls the parent classes execute method before starting the application loop."""
super().run() super().run()
@@ -133,12 +107,6 @@ class RansomwareScript(Application):
return False return False
if self.server_ip_address and self.payload: if self.server_ip_address and self.payload:
self.sys_log.info(f"{self.name}: Running") self.sys_log.info(f"{self.name}: Running")
self.attack_stage = RansomwareAttackStage.NOT_STARTED
self._local_download()
self._install()
self._activate()
self._perform_target_scan()
self._setup_beacon()
self._perform_ransomware_encrypt() self._perform_ransomware_encrypt()
if self.repeat and self.attack_stage in ( if self.repeat and self.attack_stage in (
@@ -156,8 +124,6 @@ class RansomwareScript(Application):
server_ip_address: IPv4Address, server_ip_address: IPv4Address,
server_password: Optional[str] = None, server_password: Optional[str] = None,
payload: Optional[str] = None, payload: Optional[str] = None,
target_scan_p_of_success: Optional[float] = None,
c2_beacon_p_of_success: Optional[float] = None,
ransomware_encrypt_p_of_success: Optional[float] = None, ransomware_encrypt_p_of_success: Optional[float] = None,
repeat: bool = True, repeat: bool = True,
): ):
@@ -167,8 +133,6 @@ class RansomwareScript(Application):
:param server_ip_address: The IP address of the Node the DatabaseService is on. :param server_ip_address: The IP address of the Node the DatabaseService is on.
:param server_password: The password on the DatabaseService. :param server_password: The password on the DatabaseService.
:param payload: The attack stage query (Encrypt / Delete) :param payload: The attack stage query (Encrypt / Delete)
:param target_scan_p_of_success: The probability of success for the target scan stage.
:param c2_beacon_p_of_success: The probability of success for the c2_beacon stage
:param ransomware_encrypt_p_of_success: The probability of success for the ransomware 'attack' (encrypt) stage. :param ransomware_encrypt_p_of_success: The probability of success for the ransomware 'attack' (encrypt) stage.
:param repeat: Whether to repeat attacking once finished. :param repeat: Whether to repeat attacking once finished.
""" """
@@ -178,10 +142,6 @@ class RansomwareScript(Application):
self.server_password = server_password self.server_password = server_password
if payload: if payload:
self.payload = payload self.payload = payload
if target_scan_p_of_success:
self.target_scan_p_of_success = target_scan_p_of_success
if c2_beacon_p_of_success:
self.c2_beacon_p_of_success = c2_beacon_p_of_success
if ransomware_encrypt_p_of_success: if ransomware_encrypt_p_of_success:
self.ransomware_encrypt_p_of_success = ransomware_encrypt_p_of_success self.ransomware_encrypt_p_of_success = ransomware_encrypt_p_of_success
if repeat: if repeat:
@@ -191,56 +151,6 @@ class RansomwareScript(Application):
f"{repeat=}." f"{repeat=}."
) )
def _install(self):
"""
Simulate the install stage in the kill-chain.
Advances the attack stage to 'ACTIVATE' if successful.
From this attack stage onwards.
the ransomware application is now visible from this point onwardin the observation space.
"""
if self.attack_stage == RansomwareAttackStage.DOWNLOAD:
self.sys_log.info(f"{self.name}: Malware installed on the local file system")
downloads_folder = self.file_system.get_folder(folder_name="downloads")
ransomware_file = downloads_folder.get_file(file_name="ransom_script.pdf")
ransomware_file.num_access += 1
self.attack_stage = RansomwareAttackStage.INSTALL
def _setup_beacon(self):
"""
Simulates setting up a c2 beacon; currently a pseudo step for increasing red variance.
Advances the attack stage to 'COMMAND AND CONTROL` if successful.
:param p_of_sucess: Probability of a successful c2 setup (Advancing this step),
by default the success rate is 0.5
"""
if self.attack_stage == RansomwareAttackStage.PROPAGATE:
self.sys_log.info(f"{self.name} Attempting to set up C&C Beacon - Scan 1/2")
if simulate_trial(self.c2_beacon_p_of_success):
self.sys_log.info(f"{self.name} C&C Successful setup - Scan 2/2")
c2c_setup = True # TODO Implement the c2c step via an FTP Application/Service
if c2c_setup:
self.attack_stage = RansomwareAttackStage.COMMAND_AND_CONTROL
def _perform_target_scan(self):
"""
Perform a simulated port scan to check for open SQL ports.
Advances the attack stage to `PROPAGATE` if successful.
:param p_of_success: Probability of successful port scan, by default 0.1.
"""
if self.attack_stage == RansomwareAttackStage.ACTIVATE:
# perform a port scan to identify that the SQL port is open on the server
self.sys_log.info(f"{self.name}: Scanning for vulnerable databases - Scan 0/2")
if simulate_trial(self.target_scan_p_of_success):
self.sys_log.info(f"{self.name}: Found a target database! Scan 1/2")
port_is_open = True # TODO Implement a NNME Triggering scan as a seperate Red Application
if port_is_open:
self.attack_stage = RansomwareAttackStage.PROPAGATE
def attack(self) -> bool: def attack(self) -> bool:
"""Perform the attack steps after opening the application.""" """Perform the attack steps after opening the application."""
if not self._can_perform_action(): if not self._can_perform_action():
@@ -259,7 +169,6 @@ class RansomwareScript(Application):
Execute the Ransomware Encrypt payload on the target. Execute the Ransomware Encrypt payload on the target.
Advances the attack stage to `COMPLETE` if successful, or 'FAILED' if unsuccessful. Advances the attack stage to `COMPLETE` if successful, or 'FAILED' if unsuccessful.
:param p_of_success: Probability of successfully performing ransomware encryption, by default 0.1.
""" """
if self._host_db_client is None: if self._host_db_client is None:
self.sys_log.info(f"{self.name}: Failed to connect to db_client - Ransomware Script") self.sys_log.info(f"{self.name}: Failed to connect to db_client - Ransomware Script")
@@ -268,7 +177,7 @@ class RansomwareScript(Application):
self._host_db_client.server_ip_address = self.server_ip_address self._host_db_client.server_ip_address = self.server_ip_address
self._host_db_client.server_password = self.server_password self._host_db_client.server_password = self.server_password
if self.attack_stage == RansomwareAttackStage.COMMAND_AND_CONTROL: if self.attack_stage == RansomwareAttackStage.NOT_STARTED:
if simulate_trial(self.ransomware_encrypt_p_of_success): if simulate_trial(self.ransomware_encrypt_p_of_success):
self.sys_log.info(f"{self.name}: Attempting to launch payload") self.sys_log.info(f"{self.name}: Attempting to launch payload")
if not self._db_connection: if not self._db_connection:
@@ -285,26 +194,3 @@ class RansomwareScript(Application):
else: else:
self.sys_log.warning("Attack Attempted to launch too quickly") self.sys_log.warning("Attack Attempted to launch too quickly")
self.attack_stage = RansomwareAttackStage.FAILED self.attack_stage = RansomwareAttackStage.FAILED
def _local_download(self):
"""Downloads itself via the onto the local file_system."""
if self.attack_stage == RansomwareAttackStage.NOT_STARTED:
if self._local_download_verify():
self.attack_stage = RansomwareAttackStage.DOWNLOAD
else:
self.sys_log.info("Malware failed to create a installation location")
self.attack_stage = RansomwareAttackStage.FAILED
else:
self.sys_log.info("Malware failed to download")
self.attack_stage = RansomwareAttackStage.FAILED
def _local_download_verify(self) -> bool:
"""Verifies a download location - Creates one if needed."""
for folder in self.file_system.folders:
if self.file_system.folders[folder].name == "downloads":
self.file_system.num_file_creations += 1
return True
self.file_system.create_folder("downloads")
self.file_system.create_file(folder_name="downloads", file_name="ransom_script.pdf")
return True

1
tests/integration_tests/system/red_applications/test_ransomware_script.py
View File

@@ -123,7 +123,6 @@ def test_repeating_ransomware_script_attack(ransomware_script_and_db_server):
assert RansomwareScript.attack_stage == RansomwareAttackStage.SUCCEEDED assert RansomwareScript.attack_stage == RansomwareAttackStage.SUCCEEDED
assert db_server_service.db_file.health_status is FileSystemItemHealthStatus.CORRUPT assert db_server_service.db_file.health_status is FileSystemItemHealthStatus.CORRUPT
assert computer.file_system.num_file_creations == 1
computer.apply_timestep(timestep=1) computer.apply_timestep(timestep=1)
computer.pre_timestep(timestep=1) computer.pre_timestep(timestep=1)