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[Tuning] DCSync Rules - 4662 event.action #3410

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merged 2 commits into from
Jan 30, 2024
Merged

[Tuning] DCSync Rules - 4662 event.action #3410

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8b0be53
Update credential_access_dcsync_newterm_subjectuser.toml
Samirbous Jan 29, 2024
74d5f01
Update credential_access_dcsync_replication_rights.toml
Samirbous Jan 29, 2024
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4 changes: 2 additions & 2 deletions rules/windows/credential_access_dcsync_newterm_subjectuser.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ integration = ["windows"]
maturity = "production"
min_stack_comments = "The New Term rule type used in this rule was added in Elastic 8.4"
min_stack_version = "8.4.0"
updated_date = "2023/10/23"
updated_date = "2024/01/29"

[rule]
author = ["Elastic"]
Expand Down Expand Up @@ -88,7 +88,7 @@ timestamp_override = "event.ingested"
type = "new_terms"

query = '''
event.action:"Directory Service Access" and event.code:"4662" and
event.action:("Directory Service Access" or "object-operation-performed") and event.code:"4662" and
winlog.event_data.Properties:(*DS-Replication-Get-Changes* or *DS-Replication-Get-Changes-All* or
*DS-Replication-Get-Changes-In-Filtered-Set* or *1131f6ad-9c07-11d1-f79f-00c04fc2dcd2* or
*1131f6aa-9c07-11d1-f79f-00c04fc2dcd2* or *89e95b76-444d-4c62-991a-0facbeda640c*) and
Expand Down
4 changes: 2 additions & 2 deletions rules/windows/credential_access_dcsync_replication_rights.toml
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Original file line number Diff line number Diff line change
Expand Up @@ -4,7 +4,7 @@ integration = ["system", "windows"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/10/23"
updated_date = "2024/01/29"

[rule]
author = ["Elastic"]
Expand Down Expand Up @@ -97,7 +97,7 @@ timestamp_override = "event.ingested"
type = "eql"

query = '''
any where event.action == "Directory Service Access" and
any where event.action : ("Directory Service Access", "object-operation-performed") and
event.code == "4662" and winlog.event_data.Properties : (
/* Control Access Rights/Permissions Symbol */
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