diff --git a/rules/windows/process_creation/proc_creation_win_lolbin_wlrmdr.yml b/rules/windows/process_creation/proc_creation_win_lolbin_wlrmdr.yml index 3fbfaedfd..f8610ea4c 100644 --- a/rules/windows/process_creation/proc_creation_win_lolbin_wlrmdr.yml +++ b/rules/windows/process_creation/proc_creation_win_lolbin_wlrmdr.yml @@ -6,15 +6,18 @@ references: - https://twitter.com/0gtweet/status/1493963591745220608?s=20&t=xUg9DsZhJy1q9bPTUWgeIQ author: frack113 date: 2022/02/16 -modified: 2022/11/09 +modified: 2022/12/06 tags: - attack.defense_evasion + - attack.t1218 logsource: category: process_creation product: windows detection: - selection: - Image|endswith: '\wlrmdr.exe' + selection_img: + - Image|endswith: '\wlrmdr.exe' + - OriginalFileName: 'WLRMNDR.EXE' + selection_cli: CommandLine|contains|all: - '-s ' - '-f ' @@ -26,7 +29,7 @@ detection: ParentImage: 'C:\Windows\System32\winlogon.exe' filter_null: ParentImage: '-' - condition: selection and not 1 of filter* + condition: all of selection_* and not 1 of filter* falsepositives: - Unknown level: medium