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29 changes: 0 additions & 29 deletions
29
queries/snowflake_queries/snowflake_public_role_grant_query.yml
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35 changes: 35 additions & 0 deletions
35
rules/gcp_audit_rules/gcp_user_added_to_privileged_group.py
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,35 @@ | ||
| from panther_base_helpers import key_value_list_to_dict | ||
|
|
||
| PRIVILEGED_GROUPS = { | ||
| # "[email protected]" | ||
| } | ||
|
|
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| USER_EMAIL = "" | ||
| GROUP_EMAIL = "" | ||
|
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|
|
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| def rule(event): | ||
| events = event.deep_get("protoPayload", "metadata", "event", default=[]) | ||
|
|
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| for event_ in events: | ||
| if event_.get("eventname") != "ADD_GROUP_MEMBER": | ||
| continue | ||
| # Get the username | ||
| params = key_value_list_to_dict(event_.get("parameter", []), "name", "value") | ||
| global USER_EMAIL, GROUP_EMAIL # pylint: disable=global-statement | ||
| USER_EMAIL = params.get("USER_EMAIL") | ||
| GROUP_EMAIL = params.get("GROUP_EMAIL") | ||
| if GROUP_EMAIL in get_privileged_groups(): | ||
| return True | ||
| return False | ||
|
|
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|
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| def title(event): | ||
| actor = event.deep_get("actor", "email", default="") | ||
| global USER_EMAIL, GROUP_EMAIL | ||
| return f"{actor} has added {USER_EMAIL} to the privileged group {GROUP_EMAIL}" | ||
|
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|
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| def get_privileged_groups(): | ||
| # We make this a function, so we can mock it for unit tests | ||
| return PRIVILEGED_GROUPS |
140 changes: 140 additions & 0 deletions
140
rules/gcp_audit_rules/gcp_user_added_to_privileged_group.yml
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
| @@ -0,0 +1,140 @@ | ||
| AnalysisType: rule | ||
| Filename: gcp_user_added_to_privileged_group.py | ||
| RuleID: "GCP.User.Added.To.Privileged.Group" | ||
| DisplayName: "GCP User Added to Privileged Group" | ||
| Enabled: false | ||
| LogTypes: | ||
| - GCP.AuditLog | ||
| Severity: Low | ||
| Tags: | ||
| - Configuration Required | ||
| Reports: | ||
| MITRE ATT&CK: | ||
| - TA0004:T1078.004 # Privilege Escalation: Valid Accounts: Cloud Accounts | ||
| - TA0004:T1484.001 # Privilege Escalation: Domain or Tenant Policy Modification: Group Policy Modification | ||
| Description: A user was added to a group with special previleges | ||
| DedupPeriodMinutes: 60 | ||
| Threshold: 1 | ||
| Reference: | ||
| https://github.com/GoogleCloudPlatform/security-analytics/blob/main/src/2.02/2.02.md | ||
| Runbook: Determine if the user had been added to the group for legitimate reasons. | ||
| Tests: | ||
| - Name: User Added to Privileged Group | ||
| ExpectedResult: true | ||
| Mocks: | ||
| - objectName: get_privileged_groups | ||
| returnValue: '["[email protected]"]' | ||
| Log: | ||
| { | ||
| "logName": "organizations/123/logs/cloudaudit.googleapis.com%2Factivity", | ||
| "severity": "NOTICE", | ||
| "insertId": "285djodxlmu", | ||
| "resource": { | ||
| "type": "audited_resource", | ||
| "labels": { | ||
| "method": "google.admin.AdminService.addGroupMember", | ||
| "service": "admin.googleapis.com" | ||
| } | ||
| }, | ||
| "timestamp": "2022-03-22T22:12:58.916Z", | ||
| "receiveTimestamp": "2022-03-22T22:12:59.439766009Z", | ||
| "protoPayload": { | ||
| "@type": "type.googleapis.com/google.cloud.audit.AuditLog", | ||
| "serviceName": "admin.googleapis.com", | ||
| "methodName": "google.admin.AdminService.addGroupMember", | ||
| "resourceName": "organizations/123/groupSettings", | ||
| "authenticationInfo": { | ||
| "principalEmail": "[email protected]" | ||
| }, | ||
| "requestMetadata": { | ||
| "callerIP": "11.22.33.44", | ||
| "requestAttributes": {}, | ||
| "destinationAttributes": {} | ||
| }, | ||
| "metadata": { | ||
| "@type": "type.googleapis.com/ccc_hosted_reporting.ActivityProto", | ||
| "activityId": { | ||
| "timeUsec": "1647987178916000", | ||
| "uniqQualifier": "-8614641986436885296" | ||
| }, | ||
| "event": [ | ||
| { | ||
| "eventName": "ADD_GROUP_MEMBER", | ||
| "eventType": "GROUP_SETTINGS", | ||
| "parameter": [ | ||
| { | ||
| "label": "LABEL_OPTIONAL", | ||
| "value": "[email protected]", | ||
| "type": "TYPE_STRING", | ||
| "name": "USER_EMAIL" | ||
| }, | ||
| { | ||
| "type": "TYPE_STRING", | ||
| "value": "[email protected]", | ||
| "label": "LABEL_OPTIONAL", | ||
| "name": "GROUP_EMAIL" | ||
| } | ||
| ] | ||
| } | ||
| ] | ||
| } | ||
| } | ||
| } | ||
| - Name: User Added to Non-Privileged Group | ||
| ExpectedResult: false | ||
| Log: | ||
| { | ||
| "logName": "organizations/123/logs/cloudaudit.googleapis.com%2Factivity", | ||
| "severity": "NOTICE", | ||
| "insertId": "285djodxlmu", | ||
| "resource": { | ||
| "type": "audited_resource", | ||
| "labels": { | ||
| "method": "google.admin.AdminService.addGroupMember", | ||
| "service": "admin.googleapis.com" | ||
| } | ||
| }, | ||
| "timestamp": "2022-03-22T22:12:58.916Z", | ||
| "receiveTimestamp": "2022-03-22T22:12:59.439766009Z", | ||
| "protoPayload": { | ||
| "@type": "type.googleapis.com/google.cloud.audit.AuditLog", | ||
| "serviceName": "admin.googleapis.com", | ||
| "methodName": "google.admin.AdminService.addGroupMember", | ||
| "resourceName": "organizations/123/groupSettings", | ||
| "authenticationInfo": { | ||
| "principalEmail": "[email protected]" | ||
| }, | ||
| "requestMetadata": { | ||
| "callerIP": "11.22.33.44", | ||
| "requestAttributes": {}, | ||
| "destinationAttributes": {} | ||
| }, | ||
| "metadata": { | ||
| "@type": "type.googleapis.com/ccc_hosted_reporting.ActivityProto", | ||
| "activityId": { | ||
| "timeUsec": "1647987178916000", | ||
| "uniqQualifier": "-8614641986436885296" | ||
| }, | ||
| "event": [ | ||
| { | ||
| "eventName": "ADD_GROUP_MEMBER", | ||
| "eventType": "GROUP_SETTINGS", | ||
| "parameter": [ | ||
| { | ||
| "label": "LABEL_OPTIONAL", | ||
| "value": "[email protected]", | ||
| "type": "TYPE_STRING", | ||
| "name": "USER_EMAIL" | ||
| }, | ||
| { | ||
| "type": "TYPE_STRING", | ||
| "value": "[email protected]", | ||
| "label": "LABEL_OPTIONAL", | ||
| "name": "GROUP_EMAIL" | ||
| } | ||
| ] | ||
| } | ||
| ] | ||
| } | ||
| } | ||
| } |
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