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r_m_ibm_ibm_sterling_b2b_integrator_Abnormal_User_Activity.md

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Vendor: IBM

Rules Models MITRE TTPs Event Types Parsers
23 13 5 2 2
Event Type Rules Models
failed-logon T1078 - Valid Accounts
SEQ-UH-03: Failed logon to a top failed logon asset by user
SEQ-UH-06: Abnormal failed logon to asset by user
SEQ-UH-07: Failed logon to an asset that user has not previously accessed
SEQ-UH-14: Failed logon due to bad credentials

T1110 - Brute Force
SEQ-UH-08: Abnormal number of failed logons for this user
SEQ-UH-09: Abnormal time of the week for a failed logon for user
SEQ-UH-10: Failed logons had multiple reasons
FL-UH: All Failed Logons per user
FL-OH: All Failed Logons in the organization
remote-logon T1021 - Remote ServicesT1078 - Valid Accounts
A-AL-DhU-A: Abnormal user per asset
RL-UH-sZ-F: First remote logon to asset from new or abnormal source network zone
RL-UH-sZ-A: Abnormal remote logon to asset from new or abnormal source network zone
RLA-UsZ-F: First source network zone for user
RLA-UsZ-A: Abnormal source network zone for user
RLA-dZsZ-F: First inter-zone communication from destination to source
RLA-sZdZ-F: First inter-zone communication from source to destination
RLA-sZdZ-A: Abnormal inter-zone communication
AE-UA-F: First activity type for user
AL-F-MultiWs: Multiple workstations in a single session
NEW-USER-F: User with no event history
RL-HU-F-new: Remote logon to private asset for new user

T1078 - Valid AccountsT1133 - External Remote Services
UA-UC-A: Abnormal activity from country for user
UA-GC-F: First activity from country for group
UA-OC-F: First activity from country for organization

T1078.003 - Valid Accounts: Local Accounts
AL-HLocU-F: First local user logon to this asset
RL-HU: Remote logon users
UA-OC: Countries for organization
UA-GC: Countries for peer groups
UA-UC: Countries for user activity
AE-UA: All activity for users
RLA-sZdZ: Destination zone communication
RLA-dZsZ: Source zone communication
RLA-UsZ: Source zones for user
RL-UH: Remote logons
NKL-HU: Users logging into this host remotely
A-AL-DhU: Users per Host