Detectionhightest

Sysmon Blocked Executable

Triggers on any Sysmon "FileBlockExecutable" event, which indicates a violation of the configured block policy

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Nasreddine Bencherchali (Nextron Systems)Created Tue Aug 16Updated Sat Sep 1623b71bc5-953e-4971-be4c-c896cda73fc2windows

Log Source

Windowssysmon

ProductWindows← raw: windows

Servicesysmon← raw: sysmon

Detection Logic

detection:
    selection:
        EventID: 27  # this is fine, we want to match any FileBlockExecutable event
    condition: selection

False Positives

Unlikely

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

References

MITRE ATT&CK

Tactics

Rule Metadata

Rule ID

23b71bc5-953e-4971-be4c-c896cda73fc2

Status

test

Level

high

Type

Detection

Created

Tue Aug 16

Modified

Sat Sep 16

Author

Path

rules/windows/sysmon/sysmon_file_block_executable.yml

Raw Tags

attack.defense-evasion