Rules by Product and UseCase

April 15, 2026 · View on GitHub

Vendor: VMware

Product: vCenter

Use-Case: Compromised Credentials

RulesModelsMITRE ATT&CK® TTPsActivity TypesParsers
7740950
Event TypeRulesModels
app-activityT1078 - Valid Accounts
APP-UApp-F: First login or activity within an application for user
APP-UApp-A: Abnormal login or activity within an application for user
APP-AppU-F: First login to an application for a user with no history
APP-F-SA-NC: New service account access to application
APP-AppG-F: First login to an application for group
APP-GApp-A: Abnormal login to an application for group
APP-UTi: Abnormal user activity time
APP-UAg-F: First user agent string for user
APP-UAg-2: Second new user agent string for user
APP-UAg-3: More than two new user agents used by the user in the same session
APP-UOs-F: First os/browser combination for user
APP-UsH-F: First source asset for user in application
APP-UsH-A: Abnormal source asset for user in application
APP-UOb-F: First access to application object for user
APP-UOb-A: Abnormal access to application object for user
APP-UappA-F: First application activity for user
APP-UappA-A: Abnormal application activity for user
APP-GappA-F: First application activity for peer group
APP-GappA-A: Abnormal application activity for peer group
APP-AA-F: First application activity in the organization
APP-AA-A: Abnormal activity in application for the organization
APP-UId-F: First use of client Id for user
APP-IdU-F: Reuse of client Id
APP-UMime-F: First mime type for user
APP-UMime-A: Abnormal mime type for user
APP-GMime-F: First mime type for peer group
APP-GMime-A: Abnormal mime type for peer group
APP-OMime-F: First mime type for organization
APP-OMime-A: Abnormal mime type for organization
APP-AppSz-F: First application access from network zone
APP-AT-PRIV: Non-privileged user performing privileged application activity
APP-AppED-F: New Email-domain found in application
UA-UI-F: First activity from ISP
UA-UC-new: Abnormal country for user by new user
UA-GC-new: Abnormal country for group by new user
UA-OC-new: Abnormal country for organization by new user
UA-UC-Suspicious: Activity from suspicious country
UA-UC-Two: Activity from two different countries
UA-UC-Three: Activity from 3 different countries

T1133 - External Remote Services
UA-UI-F: First activity from ISP
UA-UC-new: Abnormal country for user by new user
UA-GC-new: Abnormal country for group by new user
UA-OC-new: Abnormal country for organization by new user
UA-UC-Suspicious: Activity from suspicious country
UA-UC-Two: Activity from two different countries
UA-UC-Three: Activity from 3 different countries
UA-OC: Countries for organization
UA-GC: Countries for peer groups
UA-UC: Countries for user activity
UA-UI-new: ISP of users during application activity
APP-AppED: Email-domains per application
APP-AT-PRIV: Privileged application activities
APP-AppSz: Source zones per application
APP-OMime: Mime types for organization
APP-GMime: Mime types per peer group
APP-UMime: Mime types per user
APP-IdU: User per Client Id
APP-UId: Client Id per User
APP-AA: Activity per application
APP-GappA: Application activity per peer group
APP-UappA: Application activity per user
APP-UOb: Application objects per user
APP-UsH: User's machines accessing applications
APP-UOs-New: OS and Browser from user agent
APP-UAg: User Agent Strings
APP-UTi: Application activity time for user
APP-GApp: Group Logons to Applications
APP-AppG: Groups per Application
APP-AppU: User Logons to Applications
APP-UApp: Applications per User
app-loginT1190 - Exploit Public Fasing Application
APP-Log4j-String-2: There was an attempt via app activity to exploit the CVE-2021-44228 vulnerability using known keywords.
A-APP-Log4j-String: There was an attempt via app activity to exploit the CVE-2021-44228 vulnerability on this asset.
A-App-Log4j-String-2: There was an attempt via app activity to exploit the CVE-2021-44228 vulnerability using known keywords on the asset.

T1078 - Valid Accounts
APP-UApp-F: First login or activity within an application for user
APP-UApp-A: Abnormal login or activity within an application for user
APP-AppU-F: First login to an application for a user with no history
APP-F-SA-NC: New service account access to application
APP-AppG-F: First login to an application for group
APP-GApp-A: Abnormal login to an application for group
APP-UTi: Abnormal user activity time
APP-UAg-F: First user agent string for user
APP-UAg-2: Second new user agent string for user
APP-UAg-3: More than two new user agents used by the user in the same session
APP-UOs-F: First os/browser combination for user
APP-UsH-F: First source asset for user in application
APP-UsH-A: Abnormal source asset for user in application
APP-UId-F: First use of client Id for user
APP-IdU-F: Reuse of client Id
APP-AppSz-F: First application access from network zone
APP-AppED-F: New Email-domain found in application
UA-UI-F: First activity from ISP
UA-UC-new: Abnormal country for user by new user
UA-GC-new: Abnormal country for group by new user
UA-OC-new: Abnormal country for organization by new user
UA-UC-Suspicious: Activity from suspicious country
UA-UC-Two: Activity from two different countries
UA-UC-Three: Activity from 3 different countries

T1133 - External Remote Services
UA-UI-F: First activity from ISP
UA-UC-new: Abnormal country for user by new user
UA-GC-new: Abnormal country for group by new user
UA-OC-new: Abnormal country for organization by new user
UA-UC-Suspicious: Activity from suspicious country
UA-UC-Two: Activity from two different countries
UA-UC-Three: Activity from 3 different countries
UA-OC: Countries for organization
UA-GC: Countries for peer groups
UA-UC: Countries for user activity
UA-UI-new: ISP of users during application activity
APP-AppED: Email-domains per application
APP-AppSz: Source zones per application
APP-IdU: User per Client Id
APP-UId: Client Id per User
APP-UsH: User's machines accessing applications
APP-UOs-New: OS and Browser from user agent
APP-UAg: User Agent Strings
APP-UTi: Application activity time for user
APP-GApp: Group Logons to Applications
APP-AppG: Groups per Application
APP-AppU: User Logons to Applications
APP-UApp: Applications per User
authentication-successfulT1078 - Valid Accounts
UA-UI-F: First activity from ISP
UA-UC-new: Abnormal country for user by new user
UA-GC-new: Abnormal country for group by new user
UA-OC-new: Abnormal country for organization by new user
UA-UC-Suspicious: Activity from suspicious country
UA-UC-Two: Activity from two different countries
UA-UC-Three: Activity from 3 different countries

T1133 - External Remote Services
UA-UI-F: First activity from ISP
UA-UC-new: Abnormal country for user by new user
UA-GC-new: Abnormal country for group by new user
UA-OC-new: Abnormal country for organization by new user
UA-UC-Suspicious: Activity from suspicious country
UA-UC-Two: Activity from two different countries
UA-UC-Three: Activity from 3 different countries
UA-OC: Countries for organization
UA-GC: Countries for peer groups
UA-UC: Countries for user activity
UA-UI-new: ISP of users during application activity
failed-logonT1078 - Valid Accounts
SEQ-UH-04: Failed logon by a service account
SEQ-UH-05: Failed interactive logon by a service account
SEQ-UH-07: Failed logon to an asset that user has not previously accessed
AE-UA: All activity for users
remote-logonT1078 - Valid Accounts
AL-HLocU-F: First local user logon to this asset
AL-HLocU-A: Abnormal local user logon to this asset
SL-UH-I: Interactive logon using a service account
SL-UH-A: Abnormal access from asset for a service account
AL-UT-F: Logon to New Asset Type
AL-UT-A: Logon to Abnormal asset type
AL-F-F-CS: First logon to a critical system for user
AL-F-A-CS: Abnormal logon to a critical system for user
AL-UH-CS-NC: Logon to a critical system for a user with no information
AL-OU-F-CS: First logon to a critical system that user has not previously accessed
AL-F-F-DC-G: First logon to a Domain Controller for peer group
AL-F-A-DC-G: Abnormal logon to a Domain Controller for Peer Group
AL-UH-F-DC: First logon to this Domain Controller for user
AL-UH-A-DC: Abnormal logon to a Domain Controller that user has not accessed often previously
AL-UH-DC-NC: Logon to a Domain Controller for user with no information
RL-UZ-F-DC: First logon to a Domain Controller from zone for user
RL-OZ-F-DC: First logon to a Domain Controller from zone for organization
RL-OZ-A-DC: Abnormal logon to a Domain Controller from zone for organization
RL-UH-F: First remote logon to asset
RL-UH-A: Abnormal remote logon to asset
AL-UZ-F: First logon to network zone
AL-UZ-A: Abnormal logon to network zone
RL-GH-F: First remote logon to asset for group
UA-UI-F: First activity from ISP
RL-GH-A-new: Abnormal remote logon to asset for group by new user
AL-GZ-F-new: First logon to network zone for new user of group
AL-GZ-A-new: Abnormal logon to network zone for group of new user
RL-HU-F-new: Remote logon to private asset for new user
UA-UC-Suspicious: Activity from suspicious country
UA-UC-Two: Activity from two different countries
UA-UC-Three: Activity from 3 different countries
A-AL-DhU-F: First user per asset
A-AL-DhU-A: Abnormal user per asset

T1133 - External Remote Services
UA-UI-F: First activity from ISP
UA-UC-Suspicious: Activity from suspicious country
UA-UC-Two: Activity from two different countries
UA-UC-Three: Activity from 3 different countries

T1021 - Remote Services
RL-UZ-F-DC: First logon to a Domain Controller from zone for user
RL-OZ-F-DC: First logon to a Domain Controller from zone for organization
RL-OZ-A-DC: Abnormal logon to a Domain Controller from zone for organization
RL-UH-F: First remote logon to asset
RL-UH-A: Abnormal remote logon to asset
RL-GH-F: First remote logon to asset for group
RL-GH-A-new: Abnormal remote logon to asset for group by new user
RL-HU-F-new: Remote logon to private asset for new user

T1550 - Use Alternate Authentication Material
EXPERT-PENTEST-DOMAINS: Possible credentials theft attack detected
RLA-UAPackage-F: First time usage of Windows authentication package
RLA-UAPackage-A: Abnormal usage of Windows authentication package

T1078.002 - T1078.002
SL-UH-I: Interactive logon using a service account
SL-UH-A: Abnormal access from asset for a service account
AL-F-F-DC-G: First logon to a Domain Controller for peer group
AL-F-A-DC-G: Abnormal logon to a Domain Controller for Peer Group
AL-UH-F-DC: First logon to this Domain Controller for user
AL-UH-A-DC: Abnormal logon to a Domain Controller that user has not accessed often previously
AL-UH-DC-NC: Logon to a Domain Controller for user with no information
RL-UZ-F-DC: First logon to a Domain Controller from zone for user
RL-OZ-F-DC: First logon to a Domain Controller from zone for organization
RL-OZ-A-DC: Abnormal logon to a Domain Controller from zone for organization

T1550.003 - Use Alternate Authentication Material: Pass the Ticket
EXPERT-PENTEST-DOMAINS: Possible credentials theft attack detected

T1558 - Steal or Forge Kerberos Tickets
EXPERT-PENTEST-DOMAINS: Possible credentials theft attack detected

T1078.003 - Valid Accounts: Local Accounts
AL-HLocU-F: First local user logon to this asset
AL-HLocU-A: Abnormal local user logon to this asset
A-AL-DhU: Users per Host
RL-HU: Remote logon users
AL-GZ: Network zones accessed by this peer group
RL-GH-A: Assets accessed remotely by this peer group
RLA-UAPackage: Windows authentication packages used when connecting to remote hosts
UA-UI-new: ISP of users during application activity
RL-UH: Remote logons
RL-OZ-DC: Source zones in the organization during domain controller access
RL-UZ-DC: Source zones per user logging into domain controller
RA-UH: Assets accessed by this user remotely
AL-UH-DC: Logons to Domain Controllers
AL-OU-CS: Logon to critical servers
AL-UT: Types of hosts
AL-UsH: Source hosts per User
IL-UH-SA: Interactive logon hosts for service accounts
NKL-HU: Users logging into this host remotely