diff --git a/rules/windows/process_creation/proc_creation_win_susp_explorer_nouaccheck.yml b/rules/windows/process_creation/proc_creation_win_susp_explorer_nouaccheck.yml new file mode 100644 index 000000000..99a12d8e8 --- /dev/null +++ b/rules/windows/process_creation/proc_creation_win_susp_explorer_nouaccheck.yml @@ -0,0 +1,22 @@ +title: Explorer NOUACCHECK Flag +id: 534f2ef7-e8a2-4433-816d-c91bccde289b +status: test +description: Detects suspicious starts of explorer.exe that use the /NOUACCHECK flag that allows to run all sub processes of that newly started explorer.exe without any UAC checks +author: Florian Roth +references: + - https://twitter.com/ORCA6665/status/1496478087244095491 +date: 2022/02/23 +logsource: + category: process_creation + product: windows +detection: + selection: + Image|endswith: '\explorer.exe' + CommandLine|contains: '/NOUACCHECK' + condition: selection +falsepositives: + - Unknown how many legitimate software products use that method +level: high +tags: + - attack.defense_evasion + - attack.t1548.002