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Custom Rules created for GCP Events detection in Wazuh-SIEM

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Cloud Security Threat Log Source Rule Level Rule ID Action
🚦 Login & Access Patterns , 🔑 IAM, Keys & Secrets Changes
GCP IAM Role Deleted Cloud Audit Logs - IAM Audit Logs 3 65063 Low Severity Security Events, no Action required in Normal Circumstances if there is no other related Ongoing Security Incident.


If there is an Ongoing Security Incident, these category of Events are essential to investigate the related events and activities.
GCP IAM Service Account Key Deleted Cloud Audit Logs - IAM Audit Logs 3 65072
GCP IAM Custom Role Created Cloud Audit Logs - IAM Audit Logs 3 65073
GCP Service Account Deleted Cloud Audit Logs - IAM Audit Logs 3 65064
GCP Service Account Disabled Cloud Audit Logs - IAM Audit Logs 3 65065
GCP New Service Account Created Cloud Audit Logs - IAM Audit Logs 3 65070
GCP 2 StepVerificationDisable Event Audit Logs - Workspace Audit Logs 10 100005
GCP 2 StepVerificationEnroll Event Audit Logs - Workspace Audit Logs 3 100006
GCP accountDisabledPasswordLeak Event Audit Logs - Workspace Audit Logs 10 100007
GCP accountDisabledSpammingThroughRelay Event Audit Logs - Workspace Audit Logs 10 100008
GCP accountDisabledSpamming Event Audit Logs - Workspace Audit Logs 10 100009
GCP accountDisabledHijacked Event Audit Logs - Workspace Audit Logs 10 100010
GCP emailForwardingOutOfDomain Event Audit Logs - Workspace Audit Logs 10 100011
GCP govAttackWarning Event Audit Logs - Workspace Audit Logs 10 100012
GCP loginChallenge Event Audit Logs - Workspace Audit Logs 3 100013
GCP loginFailure Event Audit Logs - Workspace Audit Logs 3 100014
GCP loginVerification Event Audit Logs - Workspace Audit Logs 3 100015
GCP logout Event Audit Logs - Workspace Audit Logs 3 100016
GCP loginSuccess Event Audit Logs - Workspace Audit Logs 3 100017
GCP passwordEdit Event Audit Logs - Workspace Audit Logs 5 100018
GCP recoveryEmailEdit Event Audit Logs - Workspace Audit Logs 5 100019
GCP recoveryPhoneEdit Event Audit Logs - Workspace Audit Logs 5 100020
GCP recoverySecretQaEdit Event Audit Logs - Workspace Audit Logs 5 100021
GCP riskySensitiveActionAllowed Event Audit Logs - Workspace Audit Logs 5 100022
GCP riskySensitiveActionBlocked Event Audit Logs - Workspace Audit Logs 5 100023
GCP suspiciousLogin Event Audit Logs - Workspace Audit Logs 10 100024
GCP suspiciousLoginLessSecureApp Event Audit Logs - Workspace Audit Logs 10 100025
GCP suspiciousProgrammaticLogin Event Audit Logs - Workspace Audit Logs 10 100026
GCP SamlLoginFailed Event Audit Logs - Workspace Audit Logs 3 100027
GCP SamlLoginSucceeded Event Audit Logs - Workspace Audit Logs 3 100028
🚦 GCP Admin Events 🔑
GCP Admin changeApplicationSetting Event Audit Logs - Workspace Admin 100029
GCP Admin deleteApplicationSetting Event Audit Logs - Workspace Admin 100030
GCP Admin deleteManagedConfiguration Event Audit Logs - Workspace Admin 100031
GCP Admin changeContactsSetting Event Audit Logs - Workspace Admin 100032
GCP Admin assignRole Event Audit Logs - Workspace Admin 100033
GCP Admin createRole Event Audit Logs - Workspace Admin 100034
GCP Admin deleteRole Event Audit Logs - Workspace Admin 100035
GCP Admin addPrivilege Event Audit Logs - Workspace Admin 100036
GCP Admin removePrivilege Event Audit Logs - Workspace Admin 100037
GCP Admin renameRole Event Audit Logs - Workspace Admin 100038
GCP Admin updateRole Event Audit Logs - Workspace Admin 100039
GCP Admin unassignRole Event Audit Logs - Workspace Admin 100040
GCP Admin deleteDevice Event Audit Logs - Workspace Admin 100041
GCP Admin moveDeviceToOrgUnit Event Audit Logs - Workspace Admin 100042
GCP Admin transferDocumentOwnership Event Audit Logs - Workspace Admin 100043
GCP Admin driveDataRestore Event Audit Logs - Workspace Admin 100044
GCP Admin changeDocsSetting Event Audit Logs - Workspace Admin 100045
GCP Admin changeAccountAutoRenewal Event Audit Logs - Workspace Admin 100046
GCP Admin addApplication Event Audit Logs - Workspace Admin 100047
GCP Admin addApplicationToWhitelist Event Audit Logs - Workspace Admin 100048
GCP Admin deleteAlert Event Audit Logs - Workspace Admin 100049
GCP Admin addDomainAlias Event Audit Logs - Workspace Admin 100050
GCP Admin verifyDomainAliasMx Event Audit Logs - Workspace Admin 100051
GCP Admin verifyDomainAlias Event Audit Logs - Workspace Admin 100052
GCP Admin toggleAllowAdminPasswordReset Event Audit Logs - Workspace Admin 100053
GCP Admin enableApiAccess Event Audit Logs - Workspace Admin 100054
GCP Admin authorizeApiClientAccess Event Audit Logs - Workspace Admin 100055
GCP Admin changePrimaryDomain Event Audit Logs - Workspace Admin 100056
GCP Admin changeWhitelistSetting Event Audit Logs - Workspace Admin 100057
GCP Admin changeDataProtectionOfficerContactInfo Event Audit Logs - Workspace Admin 100058
GCP Admin changeDomainName Event Audit Logs - Workspace Admin 100059
GCP Admin addTrustedDomains Event Audit Logs - Workspace Admin 100060
GCP Admin removeTrustedDomains Event Audit Logs - Workspace Admin 100061
GCP Admin toggleEnableOauthConsumerKey Event Audit Logs - Workspace Admin 100062
GCP Admin toggleSsoEnabled Event Audit Logs - Workspace Admin 100063
GCP Admin toggleSsl Event Audit Logs - Workspace Admin 100064
GCP Admin changeLoginActivityTrace Event Audit Logs - Workspace Admin 100065
GCP Admin mxRecordVerificationClaim Event Audit Logs - Workspace Admin 100066
GCP Admin regenerateOauthConsumerSecret Event Audit Logs - Workspace Admin 100067
GCP Admin changeOrganizationName Event Audit Logs - Workspace Admin 100068
GCP Admin updateDomainPrimaryAdminEmail Event Audit Logs - Workspace Admin 100069
GCP Admin removeApplicationFromWhitelist Event Audit Logs - Workspace Admin 100070
GCP Admin createRule Event Audit Logs - Workspace Admin 100071
GCP Admin deleteRule Event Audit Logs - Workspace Admin 100072
GCP Admin addSecondaryDomain Event Audit Logs - Workspace Admin 100073
GCP Admin verifySecondaryDomainMx Event Audit Logs - Workspace Admin 100074
GCP Admin verifySecondaryDomain Event Audit Logs - Workspace Admin 100075
GCP Admin changeSsoSettings Event Audit Logs - Workspace Admin 100076
GCP Admin generatePin Event Audit Logs - Workspace Admin 100077
GCP Admin updateRule Event Audit Logs - Workspace Admin 100078
GCP Admin dropFromQuarantine Event Audit Logs - Workspace Admin 100079
GCP Admin emailLogSearch Event Audit Logs - Workspace Admin 100080
GCP Admin emailUndelete Event Audit Logs - Workspace Admin 100081
GCP Admin changeEmailSetting Event Audit Logs - Workspace Admin 100082
GCP Admin changeGmailSetting Event Audit Logs - Workspace Admin 100083
GCP Admin createGmailSetting Event Audit Logs - Workspace Admin 100084
GCP Admin deleteGmailSetting Event Audit Logs - Workspace Admin 100085
GCP Admin rejectFromQuarantine Event Audit Logs - Workspace Admin 100086
GCP Admin releaseFromQuarantine Event Audit Logs - Workspace Admin 100087
GCP Admin createGroup Event Audit Logs - Workspace Admin 100088
GCP Admin deleteGroup Event Audit Logs - Workspace Admin 100089
GCP Admin changeGroupDescription Event Audit Logs - Workspace Admin 100090
GCP Admin groupListDownload Event Audit Logs - Workspace Admin 100091
GCP Admin addGroupMember Event Audit Logs - Workspace Admin 100092
GCP Admin removeGroupMember Event Audit Logs - Workspace Admin 100093
GCP Admin updateGroupMember Event Audit Logs - Workspace Admin 100094
GCP Admin updateGroupMemberDeliverySettings Event Audit Logs - Workspace Admin 100095
GCP Admin updateGroupMemberDeliverySettingsCanEmailOverride Event Audit Logs - Workspace Admin 100096
GCP Admin groupMemberBulkUpload Event Audit Logs - Workspace Admin 100097
GCP Admin groupMembersDownload Event Audit Logs - Workspace Admin 100098
GCP Admin changeGroupName Event Audit Logs - Workspace Admin 100099
GCP Admin whitelistedGroupsUpdated Event Audit Logs - Workspace Admin 100100
GCP Admin companyDevicesBulkCreation Event Audit Logs - Workspace Admin 100101
GCP Admin companyOwnedDeviceBlocked Event Audit Logs - Workspace Admin 100102
GCP Admin companyDeviceDeletion Event Audit Logs - Workspace Admin 100103
GCP Admin companyOwnedDeviceUnblocked Event Audit Logs - Workspace Admin 100104
GCP Admin companyOwnedDeviceWiped Event Audit Logs - Workspace Admin 100105
GCP Admin removeMobileApplicationFromWhitelist Event Audit Logs - Workspace Admin 100106
GCP Admin addMobileApplicationToWhitelist Event Audit Logs - Workspace Admin 100107
GCP Admin mobileDeviceApprove Event Audit Logs - Workspace Admin 100108
GCP Admin mobileDeviceBlock Event Audit Logs - Workspace Admin 100109
GCP Admin mobileDeviceDelete Event Audit Logs - Workspace Admin 100110
GCP Admin mobileDeviceWipe Event Audit Logs - Workspace Admin 100111
GCP Admin changeAdminRestrictionsPin Event Audit Logs - Workspace Admin 100112
GCP Admin changeMobileWirelessNetworkPassword Event Audit Logs - Workspace Admin 100113
GCP Admin enrollForGoogleDeviceManagement Event Audit Logs - Workspace Admin 100114
GCP Admin mobileAccountWipe Event Audit Logs - Workspace Admin 100115
GCP Admin mobileDeviceCancelWipeThenApprove Event Audit Logs - Workspace Admin 100116
GCP Admin mobileDeviceCancelWipeThenBlock Event Audit Logs - Workspace Admin 100117
GCP Admin createOrgUnit Event Audit Logs - Workspace Admin 100118
GCP Admin removeOrgUnit Event Audit Logs - Workspace Admin 100119
GCP Admin moveOrgUnit Event Audit Logs - Workspace Admin 100120
GCP Admin securityInvestigationAction Event Audit Logs - Workspace Admin 100121
GCP Admin securityInvestigationActionCancellation Event Audit Logs - Workspace Admin 100122
GCP Admin securityInvestigationActionCompletion Event Audit Logs - Workspace Admin 100123
GCP Admin securityInvestigationActionVerificationConfirmation Event Audit Logs - Workspace Admin 100124
GCP Admin securityInvestigationActionVerificationRequest Event Audit Logs - Workspace Admin 100125
GCP Admin securityInvestigationChartCreate Event Audit Logs - Workspace Admin 100126
GCP Admin securityInvestigationContentAccess Event Audit Logs - Workspace Admin 100127
GCP Admin securityInvestigationDownloadAttachment Event Audit Logs - Workspace Admin 100128
GCP Admin securityInvestigationExportActionResults Event Audit Logs - Workspace Admin 100129
GCP Admin securityInvestigationExportQuery Event Audit Logs - Workspace Admin 100130
GCP Admin securityInvestigationObjectDeleteInvestigation Event Audit Logs - Workspace Admin 100131
GCP Admin securityInvestigationObjectOwnershipTransfer Event Audit Logs - Workspace Admin 100132
GCP Admin securityInvestigationObjectSaveInvestigation Event Audit Logs - Workspace Admin 100133
GCP Admin securityInvestigationSettingUpdate Event Audit Logs - Workspace Admin 100134
GCP Admin addToTrustedOauth2Apps Event Audit Logs - Workspace Admin 100135
GCP Admin allowAspWithout2Sv Event Audit Logs - Workspace Admin 100136
GCP Admin allowServiceForOauth2Access Event Audit Logs - Workspace Admin 100137
GCP Admin allowStrongAuthentication Event Audit Logs - Workspace Admin 100138
GCP Admin blockOnDeviceAccess Event Audit Logs - Workspace Admin 100139
GCP Admin changeAllowedTwoStepVerificationMethods Event Audit Logs - Workspace Admin 100140
GCP Admin changeTwoStepVerificationEnrollmentPeriodDuration Event Audit Logs - Workspace Admin 100141
GCP Admin changeTwoStepVerificationFrequency Event Audit Logs - Workspace Admin 100142
GCP Admin changeTwoStepVerificationGracePeriodDuration Event Audit Logs - Workspace Admin 100143
GCP Admin disallowServiceForOauth2Access Event Audit Logs - Workspace Admin 100144
GCP Admin enableNonAdminUserPasswordRecovery Event Audit Logs - Workspace Admin 100145
GCP Admin enforceStrongAuthentication Event Audit Logs - Workspace Admin 100146
GCP Admin removeFromTrustedOauth2Apps Event Audit Logs - Workspace Admin 100147
GCP Admin trustDomainOwnedOauth2Apps Event Audit Logs - Workspace Admin 100148
GCP Admin unblockOnDeviceAccess Event Audit Logs - Workspace Admin 100149
GCP Admin untrustDomainOwnedOauth2Apps Event Audit Logs - Workspace Admin 100150
GCP Admin weakProgrammaticLoginSettingsChanged Event Audit Logs - Workspace Admin 100151
GCP Admin addWebAddress Event Audit Logs - Workspace Admin 100152
GCP Admin deleteWebAddress Event Audit Logs - Workspace Admin 100153
GCP Admin changeSitesSetting Event Audit Logs - Workspace Admin 100154
GCP Admin delete2SvScratchCodes Event Audit Logs - Workspace Admin 100155
GCP Admin generate2SvScratchCodes Event Audit Logs - Workspace Admin 100156
GCP Admin revoke3LoDeviceTokens Event Audit Logs - Workspace Admin 100157
GCP Admin revoke3LoToken Event Audit Logs - Workspace Admin 100158
GCP Admin addRecoveryEmail Event Audit Logs - Workspace Admin 100159
GCP Admin addRecoveryPhone Event Audit Logs - Workspace Admin 100160
GCP Admin grantAdminPrivilege Event Audit Logs - Workspace Admin 100161
GCP Admin revokeAdminPrivilege Event Audit Logs - Workspace Admin 100162
GCP Admin bulkUpload Event Audit Logs - Workspace Admin 100163
GCP Admin cancelUserInvite Event Audit Logs - Workspace Admin 100164
GCP Admin enableUserIpWhitelist Event Audit Logs - Workspace Admin 100165
GCP Admin changeUserOrganization Event Audit Logs - Workspace Admin 100166
GCP Admin changeUserPhoneNumber Event Audit Logs - Workspace Admin 100167
GCP Admin changeRecoveryEmail Event Audit Logs - Workspace Admin 100168
GCP Admin changeRecoveryPhone Event Audit Logs - Workspace Admin 100169
GCP Admin createDataTransferRequest Event Audit Logs - Workspace Admin 100170
GCP Admin grantDelegatedAdminPrivileges Event Audit Logs - Workspace Admin 100171
GCP Admin deleteAccountInfoDump Event Audit Logs - Workspace Admin 100172
GCP Admin deleteEmailMonitor Event Audit Logs - Workspace Admin 100173
GCP Admin deleteMailboxDump Event Audit Logs - Workspace Admin 100174
GCP Admin changeFirstName Event Audit Logs - Workspace Admin 100175
GCP Admin gmailResetUser Event Audit Logs - Workspace Admin 100176
GCP Admin changeLastName Event Audit Logs - Workspace Admin 100177
GCP Admin mailRoutingDestinationAdded Event Audit Logs - Workspace Admin 100178
GCP Admin mailRoutingDestinationRemoved Event Audit Logs - Workspace Admin 100179
GCP Admin changePassword Event Audit Logs - Workspace Admin 100180
GCP Admin changePasswordOnNextLogin Event Audit Logs - Workspace Admin 100181
GCP Admin removeRecoveryEmail Event Audit Logs - Workspace Admin 100182
GCP Admin removeRecoveryPhone Event Audit Logs - Workspace Admin 100183
GCP Admin requestAccountInfo Event Audit Logs - Workspace Admin 100184
GCP Admin requestMailboxDump Event Audit Logs - Workspace Admin 100185
GCP Admin resendUserInvite Event Audit Logs - Workspace Admin 100186
GCP Admin resetSigninCookies Event Audit Logs - Workspace Admin 100187
GCP Admin securityKeyRegisteredForUser Event Audit Logs - Workspace Admin 100188
GCP Admin revokeSecurityKey Event Audit Logs - Workspace Admin 100189
GCP Admin userInvite Event Audit Logs - Workspace Admin 100190
GCP Admin viewTempPassword Event Audit Logs - Workspace Admin 100191
GCP Admin turnOff2StepVerification Event Audit Logs - Workspace Admin 100192
GCP Admin unblockUserSession Event Audit Logs - Workspace Admin 100193
GCP Admin unenrollUserFromTitanium Event Audit Logs - Workspace Admin 100194
GCP Admin archiveUser Event Audit Logs - Workspace Admin 100195
GCP Admin createUser Event Audit Logs - Workspace Admin 100196
GCP Admin deleteUser Event Audit Logs - Workspace Admin 100197
GCP Admin downgradeUserFromGplus Event Audit Logs - Workspace Admin 100198
GCP Admin userEnrolledInTwoStepVerification Event Audit Logs - Workspace Admin 100199
GCP Admin downloadUserlistCsv Event Audit Logs - Workspace Admin 100200
GCP Admin moveUserToOrgUnit Event Audit Logs - Workspace Admin 100201
GCP Admin userPutInTwoStepVerificationGracePeriod Event Audit Logs - Workspace Admin 100202
GCP Admin renameUser Event Audit Logs - Workspace Admin 100203
GCP Admin unenrollUserFromStrongAuth Event Audit Logs - Workspace Admin 100204
GCP Admin suspendUser Event Audit Logs - Workspace Admin 100205
GCP Admin unarchiveUser Event Audit Logs - Workspace Admin 100206
GCP Admin undeleteUser Event Audit Logs - Workspace Admin 100207
GCP Admin unsuspendUser Event Audit Logs - Workspace Admin 100208
GCP Admin upgradeUserToGplus Event Audit Logs - Workspace Admin 100209
GCP Admin usersBulkUpload Event Audit Logs - Workspace Admin 100210
GCP Admin Groups Service UpdateGroup Event Audit Logs - Workspace Admin 100211
GCP Admin MemberShip Service UpdateMembership Event Audit Logs - Workspace Admin 100212
🏗️ Cloud Provisioning Activity
GCP Logging Bucket Deleted 3 65056 Low Severity Security Events, no Action required in Normal Circumstances if there is no other related Ongoing Security Incident.


If there is an Ongoing Security Incident, these category of Events are essential to investigate the related events and activities.
GCP Logging Sink Deleted 3 65057
GCP Storage Bucket Permissions Modified 3 65061
GCP FireWall Rule Deleted Cloud Audit Logs 3 65054
GCP FireWall Rule Modified Cloud Audit Logs 3 65055
⚡ Network Activity
GCP VPC firewall : DENY rule triggered 5 65048 For events above Rule Level > 10 , Check events details in Wazuh-GCP Dashboard
Check if User Identification can be established
Check associated GCP Project and try to confirm if activity is expected OR Not.
For High and Critical Severity events, check source IP and Look for
Indicators of Compromise (IoC).
TSIG Signature Failure Source IP,Location 7 65031
Key NOT Recognized source IP, Location 7 65032
Signature out of time window with source IP 7 65033
Bad TKEY mode with source IP 7 65034
Bad/Missing Server Cookie with source IP 7 65038
GCP Critical Event with Source IP 9 65008
Server not authoritative for zone with source IP 10 65027
Bad OPT version with source IP 10 65030
GCP Emergency Event from VM 12 65017
Unable to process query due to a problem with the name server with source IP 12 65020

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Custom Rules created for GCP Events detection in Wazuh-SIEM

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