Detectionmediumtest
Winlogon AllowMultipleTSSessions Enable
Detects when the 'AllowMultipleTSSessions' value is enabled. Which allows for multiple Remote Desktop connection sessions to be opened at once. This is often used by attacker as a way to connect to an RDP session without disconnecting the other users
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Launch
Nasreddine Bencherchali (Nextron Systems)Created Fri Sep 09Updated Thu Aug 17f7997770-92c3-4ec9-b112-774c4ef96f96windows
Log Source
WindowsRegistry Set
ProductWindows← raw: windows
CategoryRegistry Set← raw: registry_set
Detection Logic
Detection Logic1 selector
detection:
selection:
TargetObject|endswith: '\Microsoft\Windows NT\CurrentVersion\Winlogon\AllowMultipleTSSessions'
Details|endswith: DWORD (0x00000001)
condition: selectionFalse Positives
Legitimate use of the multi session functionality
MITRE ATT&CK
Techniques
Rule Metadata
Rule ID
f7997770-92c3-4ec9-b112-774c4ef96f96
Status
test
Level
medium
Type
Detection
Created
Fri Sep 09
Modified
Thu Aug 17
Path
rules/windows/registry/registry_set/registry_set_winlogon_allow_multiple_tssessions.yml
Raw Tags
attack.persistenceattack.defense-evasionattack.t1112