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[Rule Tuning] Windows 3rd Party EDR Compatibility - Part 13 #5028

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merged 3 commits into from
Aug 28, 2025
Merged

[Rule Tuning] Windows 3rd Party EDR Compatibility - Part 13 #5028

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41acd2b
[Rule Tuning] Windows 3rd Party EDR Compatibility - Part 13
w0rk3r Aug 27, 2025
25f23ef
Apply suggestions from code review
w0rk3r Aug 28, 2025
37ff0fc
Merge branch 'main' into 3rd_party_edr_13
w0rk3r Aug 28, 2025
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18 changes: 12 additions & 6 deletions rules/windows/persistence_ms_office_addins_file.toml
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
[metadata]
creation_date = "2020/10/16"
integration = ["endpoint", "windows", "m365_defender", "sentinel_one_cloud_funnel"]
integration = ["endpoint", "windows", "m365_defender", "sentinel_one_cloud_funnel", "crowdstrike"]
maturity = "production"
updated_date = "2025/03/20"
updated_date = "2025/08/26"

[rule]
author = ["Elastic"]
Expand All @@ -15,6 +15,7 @@ index = [
"endgame-*",
"logs-m365_defender.event-*",
"logs-sentinel_one_cloud_funnel.*",
"logs-crowdstrike.fdr*",
]
language = "eql"
license = "Elastic License v2"
Expand Down Expand Up @@ -68,6 +69,7 @@ tags = [
"Data Source: Sysmon",
"Data Source: Microsoft Defender for Endpoint",
"Data Source: SentinelOne",
"Data Source: Crowdstrike",
"Resources: Investigation Guide",
]
timestamp_override = "event.ingested"
Expand All @@ -76,12 +78,16 @@ type = "eql"
query = '''
file where host.os.type == "windows" and event.type != "deletion" and
file.extension : ("wll","xll","ppa","ppam","xla","xlam") and
file.path :
(
file.path : (
"C:\\Users\\*\\AppData\\Roaming\\Microsoft\\Word\\Startup\\*",
"C:\\Users\\*\\AppData\\Roaming\\Microsoft\\AddIns\\*",
"C:\\Users\\*\\AppData\\Roaming\\Microsoft\\Excel\\XLSTART\\*"
)
"C:\\Users\\*\\AppData\\Roaming\\Microsoft\\Excel\\XLSTART\\*",

/* Crowdstrike specific condition as it uses NT Object paths */
"\\Device\\HarddiskVolume*\\Users\\*\\AppData\\Roaming\\Microsoft\\Word\\Startup\\*",
"\\Device\\HarddiskVolume*\\Users\\*\\AppData\\Roaming\\Microsoft\\AddIns\\*",
"\\Device\\HarddiskVolume*\\Users\\*\\AppData\\Roaming\\Microsoft\\Excel\\XLSTART\\*"
)
'''


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9 changes: 6 additions & 3 deletions rules/windows/persistence_ms_outlook_vba_template.toml
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
[metadata]
creation_date = "2020/11/23"
integration = ["endpoint", "windows", "m365_defender", "sentinel_one_cloud_funnel"]
integration = ["endpoint", "windows", "m365_defender", "sentinel_one_cloud_funnel", "crowdstrike"]
maturity = "production"
updated_date = "2025/03/20"
updated_date = "2025/08/26"

[rule]
author = ["Elastic"]
Expand All @@ -16,6 +16,7 @@ index = [
"endgame-*",
"logs-m365_defender.event-*",
"logs-sentinel_one_cloud_funnel.*",
"logs-crowdstrike.fdr*",
]
language = "eql"
license = "Elastic License v2"
Expand Down Expand Up @@ -73,14 +74,16 @@ tags = [
"Data Source: Sysmon",
"Data Source: Microsoft Defender for Endpoint",
"Data Source: SentinelOne",
"Data Source: Crowdstrike",
"Resources: Investigation Guide",
]
timestamp_override = "event.ingested"
type = "eql"

query = '''
file where host.os.type == "windows" and event.type != "deletion" and
file.path : "C:\\Users\\*\\AppData\\Roaming\\Microsoft\\Outlook\\VbaProject.OTM"
file.name : "VbaProject.OTM" and
file.path : ("?:\\Users\\*\\AppData\\Roaming\\Microsoft\\Outlook\\VbaProject.OTM", "\\Device\\HarddiskVolume*\\Users\\*\\AppData\\Roaming\\Microsoft\\Outlook\\VbaProject.OTM")
'''


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8 changes: 6 additions & 2 deletions rules/windows/persistence_msoffice_startup_registry.toml
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
[metadata]
creation_date = "2023/08/22"
integration = ["endpoint", "m365_defender", "sentinel_one_cloud_funnel"]
integration = ["endpoint", "m365_defender", "sentinel_one_cloud_funnel", "crowdstrike", "windows"]
maturity = "production"
updated_date = "2025/03/20"
updated_date = "2025/08/26"

[rule]
author = ["Elastic"]
Expand All @@ -17,6 +17,8 @@ index = [
"logs-m365_defender.event-*",
"endgame-*",
"logs-sentinel_one_cloud_funnel.*",
"logs-crowdstrike.fdr*",
"logs-windows.sysmon_operational-*",
]
language = "eql"
license = "Elastic License v2"
Expand Down Expand Up @@ -71,6 +73,8 @@ tags = [
"Data Source: Elastic Endgame",
"Data Source: Microsoft Defender for Endpoint",
"Data Source: SentinelOne",
"Data Source: Crowdstrike",
"Data Source: Sysmon",
"Resources: Investigation Guide",
]
timestamp_override = "event.ingested"
Expand Down
6 changes: 4 additions & 2 deletions rules/windows/persistence_netsh_helper_dll.toml
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
[metadata]
creation_date = "2023/08/29"
integration = ["endpoint", "m365_defender", "sentinel_one_cloud_funnel", "windows"]
integration = ["endpoint", "m365_defender", "sentinel_one_cloud_funnel", "windows", "crowdstrike"]
maturity = "production"
updated_date = "2025/03/20"
updated_date = "2025/08/26"

[rule]
author = ["Elastic"]
Expand All @@ -18,6 +18,7 @@ index = [
"logs-m365_defender.event-*",
"logs-sentinel_one_cloud_funnel.*",
"logs-windows.sysmon_operational-*",
"logs-crowdstrike.fdr*",
]
language = "eql"
license = "Elastic License v2"
Expand Down Expand Up @@ -68,6 +69,7 @@ tags = [
"Data Source: Microsoft Defender for Endpoint",
"Data Source: SentinelOne",
"Data Source: Sysmon",
"Data Source: Crowdstrike",
"Resources: Investigation Guide",
]
timestamp_override = "event.ingested"
Expand Down
17 changes: 11 additions & 6 deletions rules/windows/persistence_powershell_profiles.toml
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Original file line number Diff line number Diff line change
@@ -1,8 +1,8 @@
[metadata]
creation_date = "2022/10/13"
integration = ["endpoint", "windows", "m365_defender", "sentinel_one_cloud_funnel"]
integration = ["endpoint", "windows", "m365_defender", "sentinel_one_cloud_funnel", "crowdstrike"]
maturity = "production"
updated_date = "2025/03/20"
updated_date = "2025/08/26"

[transform]
[[transform.osquery]]
Expand Down Expand Up @@ -45,6 +45,7 @@ index = [
"endgame-*",
"logs-m365_defender.event-*",
"logs-sentinel_one_cloud_funnel.*",
"logs-crowdstrike.fdr*",
]
language = "eql"
license = "Elastic License v2"
Expand Down Expand Up @@ -120,17 +121,21 @@ tags = [
"Data Source: Sysmon",
"Data Source: Microsoft Defender for Endpoint",
"Data Source: SentinelOne",
"Data Source: Crowdstrike",
"Resources: Investigation Guide",
]
timestamp_override = "event.ingested"
type = "eql"

query = '''
file where host.os.type == "windows" and event.type != "deletion" and
file.path : ("?:\\Users\\*\\Documents\\WindowsPowerShell\\*",
"?:\\Users\\*\\Documents\\PowerShell\\*",
"?:\\Windows\\System32\\WindowsPowerShell\\*") and
file.name : ("profile.ps1", "Microsoft.Powershell_profile.ps1")
file.name : ("profile.ps1", "Microsoft.Powershell_profile.ps1") and
file.path : ("?:\\Users\\*\\Documents\\WindowsPowerShell\\*.ps1",
"?:\\Users\\*\\Documents\\PowerShell\\*.ps1",
"?:\\Windows\\System32\\WindowsPowerShell\\*.ps1",
"\\Device\\HarddiskVolume*\\Users\\*\\Documents\\WindowsPowerShell\\*.ps1",
"\\Device\\HarddiskVolume*\\Users\\*\\Documents\\PowerShell\\*.ps1",
"\\Device\\HarddiskVolume*\\Windows\\System32\\WindowsPowerShell\\*.ps1")
'''


Expand Down
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