diff --git a/rules/windows/process_creation/proc_creation_win_lolbas_execution_of_wuauclt.yml b/rules/windows/process_creation/proc_creation_win_lolbas_execution_of_wuauclt.yml deleted file mode 100644 index 5e00849c5..000000000 --- a/rules/windows/process_creation/proc_creation_win_lolbas_execution_of_wuauclt.yml +++ /dev/null @@ -1,32 +0,0 @@ -title: Monitoring Wuauclt.exe For Lolbas Execution Of DLL -id: ba1bb0cb-73da-42de-ad3a-de10c643a5d0 -status: experimental -description: Adversaries can abuse wuauclt.exe (Windows Update client) to run code execution by specifying an arbitrary DLL. -references: - - https://dtm.uk/wuauclt/ -author: Sreeman -date: 2020/10/29 -modified: 2022/03/07 -logsource: - product: windows - category: process_creation -detection: - selection: - CommandLine|contains|all: - - 'wuauclt.exe' - - '/UpdateDeploymentProvider' - - '/Runhandlercomserver' - filter: - CommandLine|contains: - - 'wuaueng.dll' - - 'UpdateDeploymentProvider.dll /ClassId' - condition: selection and not filter -falsepositives: - - Wuaueng.dll which is a module belonging to Microsoft Windows Update. -fields: - - CommandLine -level: medium -tags: - - attack.defense_evasion - - attack.execution - - attack.t1218 diff --git a/rules/windows/process_creation/proc_creation_win_proxy_execution_wuauclt.yml b/rules/windows/process_creation/proc_creation_win_proxy_execution_wuauclt.yml index 1a7de3abc..e2d127812 100644 --- a/rules/windows/process_creation/proc_creation_win_proxy_execution_wuauclt.yml +++ b/rules/windows/process_creation/proc_creation_win_proxy_execution_wuauclt.yml @@ -1,13 +1,19 @@ title: Proxy Execution via Wuauclt id: af77cf95-c469-471c-b6a0-946c685c4798 description: Detects the use of the Windows Update Client binary (wuauclt.exe) to proxy execute code. +related: + - id: ba1bb0cb-73da-42de-ad3a-de10c643a5d0 + type: obsoletes + - id: d7825193-b70a-48a4-b992-8b5b3015cc11 + type: obsoletes status: experimental date: 2020/10/12 modified: 2021/05/10 -author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research), Florian Roth +author: Roberto Rodriguez (Cyb3rWard0g), OTR (Open Threat Research), Florian Roth, Sreeman, FPT.EagleEye Team tags: - attack.defense_evasion - attack.t1218 + - attack.execution references: - https://dtm.uk/wuauclt/ - https://blog.malwarebytes.com/threat-intelligence/2022/01/north-koreas-lazarus-apt-leverages-windows-update-client-github-in-latest-campaign/ @@ -19,12 +25,12 @@ detection: - Image|contains: wuauclt - OriginalFileName: wuauclt.exe selection_two: - CommandLine|contains|all: + CommandLine|contains|all: - 'UpdateDeploymentProvider' - '.dll' - 'RunHandlerComServer' filter: - CommandLine|contains: + CommandLine|contains: - ' /UpdateDeploymentProvider UpdateDeploymentProvider.dll ' - ' wuaueng.dll ' condition: selection_one and selection_two and not filter