Vendor: Microsoft

April 15, 2026 · View on GitHub

Product: Microsoft CAS

RulesModelsMITRE ATT&CK® TTPsActivity TypesParsers
234102341845
Use-CaseActivity Types/ParsersMITRE ATT&CK® TTPContent
Abnormal Authentication & Accessaccount-password-change
microsoft-mcas-cef-user-password-modify-success-changepassword
microsoft-azure-cef-user-password-modify-success-pwdchanged

account-password-reset
microsoft-mcas-cef-user-password-reset-success-resetpassword

app-activity
microsoft-azure-cef-app-file-success-ldapquery
microsoft-azure-sk4-app-activity-userupdate
microsoft-mcas-cef-app-activity-success-updateserviceprincipal
microsoft-mcas-cef-app-activity-success-addpermissiontomailbox
microsoft-mcas-cef-app-activity-success-addmembertogroup
microsoft-mcas-cef-app-activity-success-accessfolder
microsoft-mcas-cef-app-activity-success-msgdelete
microsoft-mcas-cef-app-activity-success-msgsend-1
microsoft-mcas-cef-app-activity-success-agentusercreate
microsoft-mcas-cef-app-activity-success-folderdelete
microsoft-mcas-cef-app-activity-success-msgsend
microsoft-mcas-cef-app-activity-success-foldercreate
microsoft-mcas-cef-app-activity-success-msgupdate
microsoft-mcas-cef-app-activity-success-updateuser
microsoft-mcas-cef-app-activity-success-changeuserlicense
microsoft-mcas-cef-app-activity-success-msgupdate-1
microsoft-mcas-cef-app-activity-success-addmembertorole
microsoft-mcas-cef-app-activity-success-movemsgtoanotherfolder
microsoft-mcas-cef-app-activity-success-commandrun
microsoft-mcas-cef-app-activity-success-impersonated
microsoft-mcas-cef-app-activity-success-suspiciousemail
microsoft-mcas-cef-app-activity-success-itemcreate
microsoft-mcas-cef-app-activity-success-folderrename
microsoft-mcas-cef-app-activity-success-movemsgtodeletedfolder
microsoft-mcas-cef-app-activity-success-msgpurge
microsoft-mcas-cef-app-activity-success-groupsettingchange
microsoft-mcas-cef-app-activity-success-foldermove
microsoft-mcas-cef-app-activity-success-msgdelete-1
microsoft-mcas-cef-app-activity-success-setcompanyinfo
microsoft-mcas-cef-app-activity-success-catchall
microsoft-mcas-cef-file-write-success-appidonedrive
microsoft-mcas-cef-file-write-success-appidonedrive
microsoft-mcas-cef-file-write-success-appidonedrive
microsoft-mcas-cef-file-write-success-appidonedrive

app-login
microsoft-mcas-cef-app-login-eventcategorylogin
microsoft-azure-cef-app-login-success-description

authentication-successful
microsoft-azure-cef-app-authentication-credentialsvalidation

failed-app-login
microsoft-azure-cef-app-login-fail-dest
microsoft-mcas-cef-app-login-eventcategorylogin

member-added
microsoft-mcas-cef-file-write-success-appidonedrive

member-removed
microsoft-mcas-cef-file-write-success-appidonedrive
T1078 - Valid Accounts
T1133 - External Remote Services
  • 15 Rules
  • 4 Models
Account Manipulationaccount-password-change
microsoft-mcas-cef-user-password-modify-success-changepassword
microsoft-azure-cef-user-password-modify-success-pwdchanged

account-password-reset
microsoft-mcas-cef-user-password-reset-success-resetpassword

app-activity
microsoft-azure-cef-app-file-success-ldapquery
microsoft-azure-sk4-app-activity-userupdate
microsoft-mcas-cef-app-activity-success-updateserviceprincipal
microsoft-mcas-cef-app-activity-success-addpermissiontomailbox
microsoft-mcas-cef-app-activity-success-addmembertogroup
microsoft-mcas-cef-app-activity-success-accessfolder
microsoft-mcas-cef-app-activity-success-msgdelete
microsoft-mcas-cef-app-activity-success-msgsend-1
microsoft-mcas-cef-app-activity-success-agentusercreate
microsoft-mcas-cef-app-activity-success-folderdelete
microsoft-mcas-cef-app-activity-success-msgsend
microsoft-mcas-cef-app-activity-success-foldercreate
microsoft-mcas-cef-app-activity-success-msgupdate
microsoft-mcas-cef-app-activity-success-updateuser
microsoft-mcas-cef-app-activity-success-changeuserlicense
microsoft-mcas-cef-app-activity-success-msgupdate-1
microsoft-mcas-cef-app-activity-success-addmembertorole
microsoft-mcas-cef-app-activity-success-movemsgtoanotherfolder
microsoft-mcas-cef-app-activity-success-commandrun
microsoft-mcas-cef-app-activity-success-impersonated
microsoft-mcas-cef-app-activity-success-suspiciousemail
microsoft-mcas-cef-app-activity-success-itemcreate
microsoft-mcas-cef-app-activity-success-folderrename
microsoft-mcas-cef-app-activity-success-movemsgtodeletedfolder
microsoft-mcas-cef-app-activity-success-msgpurge
microsoft-mcas-cef-app-activity-success-groupsettingchange
microsoft-mcas-cef-app-activity-success-foldermove
microsoft-mcas-cef-app-activity-success-msgdelete-1
microsoft-mcas-cef-app-activity-success-setcompanyinfo
microsoft-mcas-cef-app-activity-success-catchall
microsoft-mcas-cef-file-write-success-appidonedrive
microsoft-mcas-cef-file-write-success-appidonedrive
microsoft-mcas-cef-file-write-success-appidonedrive
microsoft-mcas-cef-file-write-success-appidonedrive

member-added
microsoft-mcas-cef-file-write-success-appidonedrive

member-removed
microsoft-mcas-cef-file-write-success-appidonedrive
T1098 - Account Manipulation
T1098.002 - Account Manipulation: Exchange Email Delegate Permissions
T1136 - Create Account
  • 28 Rules
  • 13 Models
Destruction of Datafile-delete
microsoft-azure-cef-app-file-success-ldapquery
microsoft-mcas-cef-app-activity-success-catchall
microsoft-mcas-cef-app-activity-success-catchall
microsoft-mcas-cef-file-write-success-appidonedrive
T1070 - Indicator Removal on Host
T1070.004 - Indicator Removal on Host: File Deletion
T1485 - Data Destruction
  • 1 Rules
Phishingdlp-email-alert-out
microsoft-o365-json-email-send-success-send
T1048 - Exfiltration Over Alternative Protocol
T1048.003 - Exfiltration Over Alternative Protocol: Exfiltration Over Unencrypted/Obfuscated Non-C2 Protocol
  • 1 Rules
  • 1 Models
Workforce Protectiondlp-email-alert-out
microsoft-o365-json-email-send-success-send
T1048 - Exfiltration Over Alternative Protocol
T1048.003 - Exfiltration Over Alternative Protocol: Exfiltration Over Unencrypted/Obfuscated Non-C2 Protocol
  • 4 Rules
  • 1 Models
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MITRE ATT&CK® Framework for Enterprise

Initial AccessExecutionPersistencePrivilege EscalationDefense EvasionCredential AccessDiscoveryLateral MovementCollectionCommand and ControlExfiltrationImpact
External Remote Services

Valid Accounts

Valid Accounts: Cloud Accounts

Exploit Public Fasing Application

Create Account

External Remote Services

Valid Accounts

Server Software Component: Web Shell

Account Manipulation

Server Software Component

Boot or Logon Autostart Execution

Account Manipulation: Exchange Email Delegate Permissions

Valid Accounts

Exploitation for Privilege Escalation

Boot or Logon Autostart Execution

Obfuscated Files or Information: Indicator Removal from Tools

Indicator Removal on Host: File Deletion

Valid Accounts

Indicator Removal on Host

Obfuscated Files or Information

OS Credential Dumping

File and Directory Discovery

Email Collection

Email Collection: Email Forwarding Rule

Proxy: Multi-hop Proxy

Application Layer Protocol

Proxy

Exfiltration Over Alternative Protocol

Exfiltration Over Alternative Protocol: Exfiltration Over Unencrypted/Obfuscated Non-C2 Protocol

Automated Exfiltration

Data Destruction

Data Encrypted for Impact