Detectionhightest

Outlook Macro Execution Without Warning Setting Enabled

Detects the modification of Outlook security setting to allow unprompted execution of macros.

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Launch

@scoubimtlCreated Mon Apr 05Updated Thu Aug 17e3b50fa5-3c3f-444e-937b-0a99d33731cdwindows

Log Source

WindowsRegistry Set

ProductWindows← raw: windows

CategoryRegistry Set← raw: registry_set

Detection Logic

detection:
    selection:
        TargetObject|endswith: '\Outlook\Security\Level'
        Details|contains: '0x00000001' # Enable all Macros
    condition: selection

False Positives

Unlikely

False positives are unlikely for most environments. High confidence detection.

References

MITRE ATT&CK

Tactics

TA0004 · Privilege Escalation TA0003 · Persistence TA0011 · Command and Control

Techniques

T1137 · Office Application Startup T1008 · Fallback Channels T1546 · Event Triggered Execution

Rule Metadata

Rule ID

e3b50fa5-3c3f-444e-937b-0a99d33731cd

Status

test

Level

high

Type

Detection

Created

Mon Apr 05

Modified

Thu Aug 17

Author

@scoubimtl

Path

rules/windows/registry/registry_set/registry_set_office_outlook_enable_macro_execution.yml

Raw Tags

attack.privilege-escalationattack.persistenceattack.command-and-controlattack.t1137attack.t1008attack.t1546

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