Product: MSSQL
Use-Case: Account Manipulation
| Rules | Models | MITRE ATT&CK® TTPs | Activity Types | Parsers |
|---|---|---|---|---|
| 27 | 13 | 3 | 3 | 5 |
| Event Type | Rules | Models |
|---|---|---|
| app-activity | T1098 - Account Manipulation ↳ EM-InB-Ex: A user has been given mailbox permissions for an executive user ↳ EM-InB-Perm-N-F: First time a user has given mailbox permissions on another mailbox that is not their own ↳ EM-InB-Perm-N-A: Abnormal for user to give mailbox permissions T1098.002 - Account Manipulation: Exchange Email Delegate Permissions ↳ EM-InB-Ex: A user has been given mailbox permissions for an executive user ↳ EM-InB-Perm-N-F: First time a user has given mailbox permissions on another mailbox that is not their own ↳ EM-InB-Perm-N-A: Abnormal for user to give mailbox permissions |
• EM-InB-Perm-N: Models users who give mailbox permissions |
| member-added | T1098 - Account Manipulation ↳ GM-LocUA-F-new: First group management activity by a new local user ↳ GM-LocUA-A: Abnormal group management activity by local user ↳ MA-SELF: User added themself to a group ↳ MA-PRIV-F-local: First addition to privileged group by local user ↳ MA-PRIV-A: Abnormal addition to privileged group by user ↳ GM-UH-F: First group management activity from asset for user ↳ GM-UH-A: Abnormal group management activity from asset for user ↳ GM-OZ-F: First group management activity from network zone ↳ GM-OZ-A: Abnormal group management activity from network zone ↳ GM-OH-F: First group management activity from asset in the organization ↳ GM-OH-A: Abnormal group management activity from asset in the organization ↳ GM-UT-TOW-A: Abnormal day for user to perform group management activity ↳ AM-GA-MA-F: First account group management activity for peer group ↳ AM-OU-SS-F: First addition and removal of member from a group by user in a single session for organization ↳ AM-OU-SS-A: Abnormal addition and removal of member from a group in a single session in the organization ↳ AM-OG-SS-F: First addition and removal of member from a group by user in a single session for peer group ↳ AM-OG-SS-A: Abnormal addition and removal of member from a group in a single session in the peer group ↳ AM-OG-F: First member addition to this group for the organization ↳ AM-OG-A: Abnormal account addition to this group for the organization ↳ AM-GOU-F: First account OU addition to this group ↳ AM-GOU-A: Abnormal account OU addition to this group ↳ AM-UA-MA-F-new: Account management activity for new user ↳ AM-GA-new: First account management activity for group of a new user ↳ A-GM-DhU-system-F: First group management by system account on asset T1136 - Create Account ↳ AM-UA-MA-F-new: Account management activity for new user ↳ AM-GA-new: First account management activity for group of a new user |
• A-GM-DhU-system: System accounts performing group management activities • AE-GA: All activity for peer groups • AM-GOU: Account management, OUs that are added to security groups • AM-AG: Account management, groups which users are being added to • AM-OG-SS: Models the peer groups who perform addition and removal of members from group in same session • AM-OU-SS: Models the users who perform addition and removal of members from group in same session in the organization • AE-UA: All activity for users • GM-UT-TOW: Group management activity time for user • GM-OH: Group management hosts in organization • GM-OZ: Group management activity from zone • GM-UH: Group management activity on host for user • AM-OU-PG: Account group management of high privileges in the organization |
| member-removed | T1098 - Account Manipulation ↳ GM-LocUA-F-new: First group management activity by a new local user ↳ GM-LocUA-A: Abnormal group management activity by local user ↳ GM-UH-F: First group management activity from asset for user ↳ GM-UH-A: Abnormal group management activity from asset for user ↳ GM-OZ-F: First group management activity from network zone ↳ GM-OZ-A: Abnormal group management activity from network zone ↳ GM-OH-F: First group management activity from asset in the organization ↳ GM-OH-A: Abnormal group management activity from asset in the organization ↳ GM-UT-TOW-A: Abnormal day for user to perform group management activity ↳ AM-UA-MA-F: First account group management activity for user ↳ AM-GA-MA-F: First account group management activity for peer group ↳ AM-OU-SS-F: First addition and removal of member from a group by user in a single session for organization ↳ AM-OU-SS-A: Abnormal addition and removal of member from a group in a single session in the organization ↳ AM-OG-SS-F: First addition and removal of member from a group by user in a single session for peer group ↳ AM-OG-SS-A: Abnormal addition and removal of member from a group in a single session in the peer group |
• AM-OG-SS: Models the peer groups who perform addition and removal of members from group in same session • AM-OU-SS: Models the users who perform addition and removal of members from group in same session in the organization • AE-GA: All activity for peer groups • AE-UA: All activity for users • GM-UT-TOW: Group management activity time for user • GM-OH: Group management hosts in organization • GM-OZ: Group management activity from zone • GM-UH: Group management activity on host for user |