feat(m365): add Prowler Threatscore (#7692)

Co-authored-by: Sergio Garcia <hello@mistercloudsec.com>

README.md

@@ -75,7 +75,7 @@ It contains hundreds of controls covering CIS, NIST 800, NIST CSF, CISA, RBI, Fe
 | GCP | 79 | 13 | 7 | 3 |
 | Azure | 140 | 18 | 8 | 3 |
 | Kubernetes | 83 | 7 | 4 | 7 |
-| M365 | 44 | 2 | 1 | 0 |
+| M365 | 44 | 2 | 2 | 0 |
 | NHN (Unofficial) | 6 | 2 | 1 | 0 |
 
 > You can list the checks, services, compliance frameworks and categories with `prowler <provider> --list-checks`, `prowler <provider> --list-services`, `prowler <provider> --list-compliance` and `prowler <provider> --list-categories`.

dashboard/compliance/prowler_threatscore_m365.py

@@ -0,0 +1,24 @@
+import warnings
+
+from dashboard.common_methods import get_section_containers_cis
+
+warnings.filterwarnings("ignore")
+
+
+def get_table(data):
+    aux = data[
+        [
+            "REQUIREMENTS_ID",
+            "REQUIREMENTS_DESCRIPTION",
+            "REQUIREMENTS_ATTRIBUTES_SECTION",
+            "CHECKID",
+            "STATUS",
+            "REGION",
+            "ACCOUNTID",
+            "RESOURCEID",
+        ]
+    ].copy()
+
+    return get_section_containers_cis(
+        aux, "REQUIREMENTS_ID", "REQUIREMENTS_ATTRIBUTES_SECTION"
+    )

prowler/CHANGELOG.md

@@ -51,6 +51,7 @@ All notable changes to the **Prowler SDK** are documented in this file.
 - Modified check `exchange_mailbox_properties_auditing_enabled` to make it configurable. [(#7662)](https://github.com/prowler-cloud/prowler/pull/7662)
 - Add snapshots to m365 documentation. [(#7673)](https://github.com/prowler-cloud/prowler/pull/7673)
 - Add support for static credentials for sending findings to Amazon S3 and AWS Security Hub. [(#7322)](https://github.com/prowler-cloud/prowler/pull/7322)
+- Add Prowler ThreatScore for M365 provider. [(#7692)](https://github.com/prowler-cloud/prowler/pull/7692)
 
 ### Fixed
 

prowler/__main__.py

@@ -79,6 +79,9 @@ from prowler.lib.outputs.compliance.prowler_threatscore.prowler_threatscore_azur
 from prowler.lib.outputs.compliance.prowler_threatscore.prowler_threatscore_gcp import (
     ProwlerThreatScoreGCP,
 )
+from prowler.lib.outputs.compliance.prowler_threatscore.prowler_threatscore_m365 import (
+    ProwlerThreatScoreM365,
+)
 from prowler.lib.outputs.csv.csv import CSV
 from prowler.lib.outputs.finding import Finding
 from prowler.lib.outputs.html.html import HTML
@@ -726,6 +729,18 @@ def prowler():
                 )
                 generated_outputs["compliance"].append(cis)
                 cis.batch_write_data_to_file()
+            elif compliance_name == "prowler_threatscore_m365":
+                filename = (
+                    f"{output_options.output_directory}/compliance/"
+                    f"{output_options.output_filename}_{compliance_name}.csv"
+                )
+                prowler_threatscore = ProwlerThreatScoreM365(
+                    findings=finding_outputs,
+                    compliance=bulk_compliance_frameworks[compliance_name],
+                    file_path=filename,
+                )
+                generated_outputs["compliance"].append(prowler_threatscore)
+                prowler_threatscore.batch_write_data_to_file()
             else:
                 filename = (
                     f"{output_options.output_directory}/compliance/"

prowler/lib/outputs/compliance/prowler_threatscore/models.py

@@ -79,3 +79,29 @@ class ProwlerThreatScoreGCPModel(BaseModel):
     ResourceName: str
     CheckId: str
     Muted: bool
+
+
+class ProwlerThreatScoreM365Model(BaseModel):
+    """
+    ProwlerThreatScoreM365Model generates a finding's output in M365 Prowler ThreatScore Compliance format.
+    """
+
+    Provider: str
+    Description: str
+    TenantId: str
+    Location: str
+    AssessmentDate: str
+    Requirements_Id: str
+    Requirements_Description: str
+    Requirements_Attributes_Title: str
+    Requirements_Attributes_Section: str
+    Requirements_Attributes_SubSection: Optional[str]
+    Requirements_Attributes_AttributeDescription: str
+    Requirements_Attributes_AdditionalInformation: str
+    Requirements_Attributes_LevelOfRisk: int
+    Status: str
+    StatusExtended: str
+    ResourceId: str
+    ResourceName: str
+    CheckId: str
+    Muted: bool

prowler/lib/outputs/compliance/prowler_threatscore/prowler_threatscore_m365.py

@@ -0,0 +1,91 @@
+from prowler.lib.check.compliance_models import Compliance
+from prowler.lib.outputs.compliance.compliance_output import ComplianceOutput
+from prowler.lib.outputs.compliance.prowler_threatscore.models import (
+    ProwlerThreatScoreM365Model,
+)
+from prowler.lib.outputs.finding import Finding
+
+
+class ProwlerThreatScoreM365(ComplianceOutput):
+    """
+    This class represents the M365 Prowler ThreatScore compliance output.
+
+    Attributes:
+        - _data (list): A list to store transformed data from findings.
+        - _file_descriptor (TextIOWrapper): A file descriptor to write data to a file.
+
+    Methods:
+        - transform: Transforms findings into M365 Prowler ThreatScore compliance format.
+    """
+
+    def transform(
+        self,
+        findings: list[Finding],
+        compliance: Compliance,
+        compliance_name: str,
+    ) -> None:
+        """
+        Transforms a list of findings into M365 Prowler ThreatScore compliance format.
+
+        Parameters:
+            - findings (list): A list of findings.
+            - compliance (Compliance): A compliance model.
+            - compliance_name (str): The name of the compliance model.
+
+        Returns:
+            - None
+        """
+        for finding in findings:
+            # Get the compliance requirements for the finding
+            finding_requirements = finding.compliance.get(compliance_name, [])
+            for requirement in compliance.Requirements:
+                if requirement.Id in finding_requirements:
+                    for attribute in requirement.Attributes:
+                        compliance_row = ProwlerThreatScoreM365Model(
+                            Provider=finding.provider,
+                            Description=compliance.Description,
+                            TenantId=finding.account_uid,
+                            Location=finding.region,
+                            AssessmentDate=str(finding.timestamp),
+                            Requirements_Id=requirement.Id,
+                            Requirements_Description=requirement.Description,
+                            Requirements_Attributes_Title=attribute.Title,
+                            Requirements_Attributes_Section=attribute.Section,
+                            Requirements_Attributes_SubSection=attribute.SubSection,
+                            Requirements_Attributes_AttributeDescription=attribute.AttributeDescription,
+                            Requirements_Attributes_AdditionalInformation=attribute.AdditionalInformation,
+                            Requirements_Attributes_LevelOfRisk=attribute.LevelOfRisk,
+                            Status=finding.status,
+                            StatusExtended=finding.status_extended,
+                            ResourceId=finding.resource_uid,
+                            ResourceName=finding.resource_name,
+                            CheckId=finding.check_id,
+                            Muted=finding.muted,
+                        )
+                        self._data.append(compliance_row)
+        # Add manual requirements to the compliance output
+        for requirement in compliance.Requirements:
+            if not requirement.Checks:
+                for attribute in requirement.Attributes:
+                    compliance_row = ProwlerThreatScoreM365Model(
+                        Provider=compliance.Provider.lower(),
+                        Description=compliance.Description,
+                        TenantId="",
+                        Location="",
+                        AssessmentDate=str(finding.timestamp),
+                        Requirements_Id=requirement.Id,
+                        Requirements_Description=requirement.Description,
+                        Requirements_Attributes_Title=attribute.Title,
+                        Requirements_Attributes_Section=attribute.Section,
+                        Requirements_Attributes_SubSection=attribute.SubSection,
+                        Requirements_Attributes_AttributeDescription=attribute.AttributeDescription,
+                        Requirements_Attributes_AdditionalInformation=attribute.AdditionalInformation,
+                        Requirements_Attributes_LevelOfRisk=attribute.LevelOfRisk,
+                        Status="MANUAL",
+                        StatusExtended="Manual check",
+                        ResourceId="manual_check",
+                        ResourceName="Manual check",
+                        CheckId="manual",
+                        Muted=False,
+                    )
+                    self._data.append(compliance_row)

prowler/providers/m365/services/entra/entra_legacy_authentication_blocked/entra_legacy_authentication_blocked.metadata.json

@@ -3,10 +3,10 @@
   "CheckID": "entra_legacy_authentication_blocked",
   "CheckTitle": "Ensure that Conditional Access policy blocks legacy authentication",
   "CheckType": [],
-  "ServiceName": "critical",
+  "ServiceName": "entra",
   "SubServiceName": "",
   "ResourceIdTemplate": "",
-  "Severity": "medium",
+  "Severity": "critical",
   "ResourceType": "Conditional Access Policy",
   "Description": "Ensure that Conditional Access policy blocks legacy authentication in Microsoft Entra ID to enforce modern authentication methods and protect against credential-stuffing and brute-force attacks.",
   "Risk": "Legacy authentication protocols do not support MFA, making them vulnerable to credential-stuffing and brute-force attacks. Attackers commonly exploit these protocols to bypass security controls and gain unauthorized access.",