uploaded the script that runs the simulation (#15)

Co-authored-by: REDMOND\lleizerovich <lleizerovich@microsoft.com>

Author: lleizerovich

simulation.py

@@ -0,0 +1,126 @@
+# Copyright (c) Microsoft Corporation.
+# Licensed under the MIT License.
+
+import subprocess
+import time
+
+TITLE = """
++++ Defender for Cloud Attack Simulation +++
+
+This simulation creates two pods - attacker and victim
+The attacker pod will execute the chosen scenario on the victim
+"""
+MENU = """
+Available scenarios:
+    1. Reconnaissance - Gather information about the cluster environment.
+    2. Lateral Movement - Cluster to cloud.
+    3. Secrets Gathering - Search for sensitive information in the victim pod.
+    4. Cryptomining - Run a cryptominer on the victim pod.
+    5. Webshell - Exploit a webshell on the victim pod (NOTE: the webshell is used in all scenarios).
+    6. All - Run all scenarios.
+
+"""
+SCENARIOS = ["recon", "lateral-mov", "secrets", "crypto", "webshell", "all"]
+HELM_CHART = "oci://ghcr.io/microsoft/defender-for-cloud/attacksimulation/mdc-simulation"
+HELM_RELEASE = "mdc-simulation"
+NAMESPACE = "mdc-simulation"
+ATTACKER = "mdc-simulation-attacker"
+VICTIM = "mdc-simulation-victim"
+
+
+def delete_resources():
+    subprocess.run(["helm", "uninstall", HELM_RELEASE])
+    subprocess.run(["kubectl", "delete", "namespace", NAMESPACE])
+
+
+def run_scenario(scenario):
+    """Installs components using helm and shows scenario results."""
+    # Install or update the helm chart
+    print("Helm - creating simulation objects in namespace mdc-simulation...")
+    try:
+        subprocess.run(["helm", "upgrade", "--install",  HELM_RELEASE, HELM_CHART,
+                        "--set", f"env.name={NAMESPACE}", "--set", f"scenario={scenario}"],
+                        check=True, capture_output=True)
+    except subprocess.CalledProcessError as e:
+        print("Failed to create Helm chart. Exiting")
+        raise subprocess.CalledProcessError(returncode=e.returncode, cmd=e.cmd)
+    except FileNotFoundError:
+        print("Can't find Helm. Exiting")
+        raise FileNotFoundError
+
+    print("Creating resources...")
+    attacker_status = subprocess.run(["kubectl", "get", "pod", ATTACKER, "-n", NAMESPACE, "-o",
+                                      r'jsonpath="{.status.phase}"'], capture_output=True, text=True)
+    victim_status = subprocess.run(["kubectl", "get", "pod", VICTIM, "-n", NAMESPACE, "-o",
+                                    r'jsonpath="{.status.phase}"'], capture_output=True, text=True)
+    while '"Pending"' in (attacker_status.stdout, victim_status.stdout) :
+        time.sleep(3)
+        attacker_pending =  subprocess.run(["kubectl", "get", "pod", ATTACKER, "-n", NAMESPACE, "-o",
+                                      r'jsonpath="{.status.containerStatuses[0].state.waiting.reason}"'], capture_output=True, text=True)
+        victim_pending = subprocess.run(["kubectl", "get", "pod", VICTIM, "-n", NAMESPACE, "-o",
+                                    r'jsonpath="{.status.containerStatuses[0].state.waiting.reason}"'], capture_output=True, text=True)
+        attacker_status = subprocess.run(["kubectl", "get", "pod", ATTACKER, "-n", NAMESPACE, "-o",
+                                      r'jsonpath="{.status.phase}"'], capture_output=True, text=True)
+        victim_status = subprocess.run(["kubectl", "get", "pod", VICTIM, "-n", NAMESPACE, "-o",
+                                    r'jsonpath="{.status.phase}"'], capture_output=True, text=True)
+
+        if (attacker_status.stdout =='"Pending"'  and attacker_pending.stdout != '"ContainerCreating"') or (victim_status.stdout == '"Pending"'  and victim_pending.stdout != '"ContainerCreating"'):
+            print(f"Failed to create one or more containers.\nAttacker container status: {attacker_pending.stdout},\nVictim container status: {victim_pending.stdout}.")
+            raise Exception
+ 
+    if '"Failed"' in (attacker_status.stdout, victim_status.stdout):
+        print(f"Failed to create one or more pods.\nAttacker pod status: {attacker_status.stdout},\nVictim pod status: {victim_status.stdout}.")
+        raise Exception
+
+    # read the attack output
+    print("Running the scenario...\n")
+    try:
+        subprocess.run(["kubectl", "logs", "-f", ATTACKER, "-n",  NAMESPACE], timeout=90)
+    except subprocess.TimeoutExpired:
+        print("Scenario did not complete successfully (timeout)")
+        return
+    last_line = subprocess.run(["kubectl", "logs", "--tail=1", ATTACKER, "-n", NAMESPACE],
+                               text=True, capture_output=True)
+    if last_line.stdout == "--- Simulation completed ---\n":
+        print("\nScenario completed successfully.\n")
+    else:
+        print("Scenario did not complete successfully")
+
+
+def start_simulation():
+    print(MENU)
+    user_choise = input("Select a scenario: ")
+    
+    while not (user_choise.isnumeric()) or not(int(user_choise) in range(1, len(SCENARIOS)+1 )):
+        print("Invalid input")
+        user_choise = input("Select a scenario: ")
+
+    choise = int(user_choise)
+
+    try:
+        run_scenario(SCENARIOS[choise-1])
+    except Exception:
+        release_status = subprocess.run(["helm", "status", HELM_RELEASE], capture_output=True)
+        if release_status.returncode == 0:
+            delete_resources()
+        return
+
+    again = input("Run another scenario?(Y/N): ")
+    while again.upper() not in ["Y", "N"]:
+        print("Invalid input")
+        again = input("Run another scenario?(Y/N): ")
+    if again.upper() == "Y":
+        subprocess.run(["kubectl", "delete", "pod", ATTACKER, "-n", NAMESPACE], capture_output=True)
+        start_simulation()
+    else:
+        input("Press Any Button to delete resources")
+        delete_resources()
+
+
+def main():
+    print(TITLE)
+    start_simulation()
+
+
+if __name__ == '__main__':
+    main()