Product: GitHub
Use-Case: Account Manipulation
| Rules | Models | MITRE ATT&CK® TTPs | Activity Types | Parsers |
|---|---|---|---|---|
| 50 | 21 | 18 | 4 | 54 |
| Event Type | Rules | Models |
|---|---|---|
| account-creation | T1136 - Create Account ↳ AC-UH-F: First account creation activity from asset for user ↳ AC-UH-A: Abnormal account creation activity from asset for user ↳ AC-OZ-F: First account creation activity from network zone ↳ AC-OZ-A: Abnormal account creation activity from network zone ↳ AC-OH-F: First account creation activity from asset in the organization ↳ AC-OH-A: Abnormal account creation activity from asset in the organization ↳ AM-UD-F: First account creation on domain for user ↳ AM-UD-A: Abnormal account creation on domain for user ↳ AC-UT-TOW-A: Abnormal day for user to perform account creation activity ↳ AM-UA-AC-F: First account creation activity for user ↳ AM-UA-AC-A: Abnormal account creation activity for user ↳ AM-GA-AC-F: First account creation activity for peer group ↳ AM-GA-AC-A: Abnormal account creation activity for peer group ↳ AC-LocUA-F-new: First account creation activity by a new local user ↳ AC-LocUA-A: Abnormal account creation activity by local user ↳ 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-ACCT-CR-DEL: Account created and deleted on asset ↳ A-AC-DhU-system-F: First account creation by system account on asset ↳ A-AC-DhU-system-A: Abnormal account creation by system account on asset T1136.001 - Create Account: Create: Local Account ↳ AC-LocUA-F-new: First account creation activity by a new local user ↳ AC-LocUA-A: Abnormal account creation activity by local user ↳ A-AC-DhU-system-F: First account creation by system account on asset ↳ A-AC-DhU-system-A: Abnormal account creation by system account on asset T1098 - Account Manipulation ↳ AM-UA-MA-F-new: Account management activity for new user ↳ AM-GA-new: First account management activity for group of a new user T1136.002 - T1136.002 ↳ AM-UD-F: First account creation on domain for user ↳ AM-UD-A: Abnormal account creation on domain for user |
• A-AC-DhU-system: System accounts performing account creation activities • AE-GA: All activity for peer groups • AE-UA: All activity for users • AC-UT-TOW: Account creation activity time for user • AM-UD: Account creation on domain by user • AC-OH: Account creation hosts in organization • AC-OZ: Account creation activity from zone • AC-UH: Account creation activity on host for user |
| 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-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 |
| process-created | T1021 - Remote Services ↳ A-MMC-Spawn-Win-Shell: MMC (Microsoft Management Console) started a Windows command line executable on this asset. T1021.003 - T1021.003 ↳ A-MMC-Spawn-Win-Shell: MMC (Microsoft Management Console) started a Windows command line executable on this asset. T1059 - Command and Scripting Interperter ↳ A-MMC-Spawn-Win-Shell: MMC (Microsoft Management Console) started a Windows command line executable on this asset. T1059.001 - Command and Scripting Interperter: PowerShell ↳ A-MMC-Spawn-Win-Shell: MMC (Microsoft Management Console) started a Windows command line executable on this asset. T1059.003 - T1059.003 ↳ A-MMC-Spawn-Win-Shell: MMC (Microsoft Management Console) started a Windows command line executable on this asset. T1218 - Signed Binary Proxy Execution ↳ A-MMC-Spawn-Win-Shell: MMC (Microsoft Management Console) started a Windows command line executable on this asset. T1218.010 - Signed Binary Proxy Execution: Regsvr32 ↳ A-MMC-Spawn-Win-Shell: MMC (Microsoft Management Console) started a Windows command line executable on this asset. T1559 - Inter-Process Communication ↳ A-MMC-Spawn-Win-Shell: MMC (Microsoft Management Console) started a Windows command line executable on this asset. T1559.002 - T1559.002 ↳ A-MMC-Spawn-Win-Shell: MMC (Microsoft Management Console) started a Windows command line executable on this asset. T1003 - OS Credential Dumping ↳ A-AD-Diagnostic-Tool: Invocation of Active Directory Diagnostic Tool (ntdsutil.exe) on this asset ↳ A-ShadowCP-SymLink: Shadow Copies Access via Symlink on this asset T1003.003 - T1003.003 ↳ A-AD-Diagnostic-Tool: Invocation of Active Directory Diagnostic Tool (ntdsutil.exe) on this asset T1136 - Create Account ↳ NET-EXE-ADD-ORG-F: First time net.exe has been used to create a user account by this user. ↳ NET-EXE-ADD-ORG-A: Abnormal usage of net.exe to create a user account by this user. ↳ NET-EXE-ADD-GRP-ORG-F: First time net.exe has been used to create/add to a group by this user. ↳ NET-EXE-ADD-GRP-ORG-A: Abnormal usage of net.exe to create/add to a group by this user. ↳ AC-OZ-CLI-F: First zone on which account was created using CLI command ↳ AC-OH-CLI-F: First host on which account was created using CLI command T1136.001 - Create Account: Create: Local Account ↳ NET-EXE-ADD-ORG-F: First time net.exe has been used to create a user account by this user. ↳ NET-EXE-ADD-ORG-A: Abnormal usage of net.exe to create a user account by this user. ↳ AC-OZ-CLI-F: First zone on which account was created using CLI command ↳ AC-OH-CLI-F: First host on which account was created using CLI command T1531 - Account Access Removal ↳ NET-EXE-DELETE-ORG-F: First time net.exe has been used to delete a user account by this user. ↳ NET-EXE-DELETE-ORG-A: Abnormal usage of net.exe to delete a user account by this user. T1078 - Valid Accounts ↳ NET-EXE-ADD-GRP-ORG-F: First time net.exe has been used to create/add to a group by this user. ↳ NET-EXE-ADD-GRP-ORG-A: Abnormal usage of net.exe to create/add to a group by this user. ↳ NET-EXE-ACTIVE-ORG-F: First time net.exe has been used to disable/enable a user account by this user. ↳ NET-EXE-ACTIVE-ORG-A: Abnormal usage of net.exe to disable/enable a user account by this user. T1098 - Account Manipulation ↳ NET-EXE-ADD-GRP-ORG-F: First time net.exe has been used to create/add to a group by this user. ↳ NET-EXE-ADD-GRP-ORG-A: Abnormal usage of net.exe to create/add to a group by this user. ↳ NET-EXE-ACTIVE-ORG-F: First time net.exe has been used to disable/enable a user account by this user. ↳ NET-EXE-ACTIVE-ORG-A: Abnormal usage of net.exe to disable/enable a user account by this user. |
• AC-OH-CLI: Hosts on which account was created using CLI command • AC-OZ-CLI: Zones on which account was created using CLI command • NET-EXE-DELETE-ORG: Using net.exe to delete a user account • NET-EXE-ACTIVE-ORG: Using net.exe to disable/enable a user account • NET-EXE-ADD-GRP-ORG: Using net.exe to add a group account • NET-EXE-ADD-ORG: Using net.exe to add a user account |