Product: ADAuditPlus
Use-Case: Account Manipulation
| Rules | Models | MITRE ATT&CK® TTPs | Activity Types | Parsers |
|---|---|---|---|---|
| 58 | 29 | 5 | 4 | 13 |
| 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 |
| ds-access | T1207 - Rogue Domain Controller ↳ DS-DCSh-Add: Directory service server object added ↳ DS-DCSh-Del: Directory service server object created and deleted ↳ A-DS-Replication: First time a new server replicated itself on this asset T1484 - Group Policy Modification ↳ DS-OU-F: First directory service event for user in the organization ↳ DS-OG-F: First directory service event for user in the peer group ↳ DS-OAT-F: First directory service activity type for object class ↳ DS-OAT-A: Abnormal directory service activity type for object class ↳ DS-UAT-F: First directory service activity type for user per object class ↳ DS-UAT-A: Abnormal directory service activity type for user per object class ↳ DS-OOC-F: First directory service object class for organization ↳ DS-OOC-A: Abnormal directory service object class for organization ↳ DS-GOC-F: First directory service object class for peer group ↳ DS-GOC-A: Abnormal directory service object class for peer group ↳ DS-UOC-F: First directory service object class for user ↳ DS-UOC-A: Abnormal directory service object class for user ↳ DS-APRIV: Non-Privileged user accessing privileged directory service attribute ↳ DS-UA: First access to attribute for privileged user ↳ DS-OH-F: First directory service activity on host for organization ↳ DS-OH-A: Abnormal directory service activity on host for organization ↳ DS-GH-F: First directory service activity on host for peer group ↳ DS-GH-A: Abnormal directory service activity on host for peer group ↳ DS-UH-F: First directory service activity on host for user ↳ DS-UH-A: Abnormal directory service activity on host for user ↳ DS-OSZ-F: First directory service activity from source zone for organization ↳ DS-OSZ-A: Abnormal directory service activity from source zone for organization ↳ DS-GSZ-F: First directory service activity from source zone for peer group ↳ DS-GSZ-A: Abnormal directory service activity from source zone for peer group ↳ DS-USZ-F: First directory service activity from source zone for user ↳ DS-USZ-A: Abnormal directory service activity from source zone for user ↳ DS-USH-F: First directory service activity on source host for user ↳ DS-USH-A: Abnormal directory service activity on source host for user |
• DS-USH: Source hosts with directory service activity for user • DS-USZ: Source network zones with directory service activity for the user • DS-GSZ: Source network zones with directory service activity in the peer group • DS-OSZ: Source network zones with directory service activity in the organization • DS-UH: Hosts with directory service activity in the user • DS-GH: Hosts with directory service activity in the peer group • DS-OH: Hosts with directory service activity in the organization • DS-UA: Attributes per privileged user • DS-APRIV: Privileged user attributes • DS-UOC: Directory service object classes for user • DS-GOC: Directory service object classes in the peer group • DS-OOC: Directory service object classes in the organization • DS-UAT-new: Directory services activity types for user per object class • DS-OAT-new: Directory services activity types per object class • DS-OG: Users with directory service activity in the peer group • DS-OU: Users with directory service activity in the organization |
| 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 |