diff --git a/rules/windows/process_creation/process_creation_syncappvpublishingserver_vbs_execute_powershell.yml b/rules/windows/process_creation/process_creation_syncappvpublishingserver_vbs_execute_powershell.yml new file mode 100644 index 000000000..3928f1cb8 --- /dev/null +++ b/rules/windows/process_creation/process_creation_syncappvpublishingserver_vbs_execute_powershell.yml @@ -0,0 +1,30 @@ +title: SyncAppvPublishingServer VBS Execute Arbitrary PowerShell Code +id: 36475a7d-0f6d-4dce-9b01-6aeb473bbaf1 +status: experimental +author: frack113 +date: 2021/07/16 +description: Adversaries may use scripts signed with trusted certificates to proxy execution of malicious files. +references: + - https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1216/T1216.md +tags: + - attack.defense_evasion + - attack.t1216 +logsource: + category: process_creation + product: windows +detection: + select_vbs: + CommandLine|contains: '\SyncAppvPublishingServer.vbs' + select_opt: + CommandLine|contains|all: + - '"n;' + - 'Start-Process ' + condition: select_vbs and select_opt +fields: + - ComputerName + - User + - CommandLine + - ParentCommandLine +falsepositives: + - Unknow +level: medium