Detectionhightest
Potential Attachment Manager Settings Attachments Tamper
Detects tampering with attachment manager settings policies attachments (See reference for more information)
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Nasreddine Bencherchali (Nextron Systems)Created Mon Aug 01Updated Thu Aug 17ee77a5db-b0f3-4be2-bfd4-b58be1c6b15awindows
Log Source
WindowsRegistry Set
ProductWindows← raw: windows
CategoryRegistry Set← raw: registry_set
Detection Logic
Detection Logic4 selectors
detection:
selection_main:
TargetObject|contains: '\SOFTWARE\Microsoft\Windows\CurrentVersion\Policies\Attachments\'
selection_value_hide_zone_info:
TargetObject|endswith: '\HideZoneInfoOnProperties'
Details: 'DWORD (0x00000001)' # On
selection_value_save_zone_info:
TargetObject|endswith: '\SaveZoneInformation'
Details: 'DWORD (0x00000002)' # Off
selection_value_scan_with_av:
TargetObject|endswith: '\ScanWithAntiVirus'
Details: 'DWORD (0x00000001)' # Disabled
condition: selection_main and 1 of selection_value_*False Positives
Unlikely
False positives are unlikely for most environments. High confidence detection.
MITRE ATT&CK
Tactics
Rule Metadata
Rule ID
ee77a5db-b0f3-4be2-bfd4-b58be1c6b15a
Status
test
Level
high
Type
Detection
Created
Mon Aug 01
Modified
Thu Aug 17
Path
rules/windows/registry/registry_set/registry_set_policies_attachments_tamper.yml
Raw Tags
attack.defense-evasion