title: Suspicious Execution from Outlook author: Markus Neis date: 2018/12/27 description: Detects EnableUnsafeClientMailRules used for Script Execution from Outlook detection: SELECTION_1: EventID: 1 SELECTION_2: CommandLine: '*EnableUnsafeClientMailRules*' SELECTION_3: ParentImage: '*\outlook.exe' SELECTION_4: CommandLine: '*\\\\\*' SELECTION_5: CommandLine: '*\\\*' SELECTION_6: CommandLine: '*.exe*' condition: (SELECTION_1 and (SELECTION_2 or (SELECTION_3 and SELECTION_4 and SELECTION_5 and SELECTION_6))) falsepositives: - unknown id: e212d415-0e93-435f-9e1a-f29005bb4723 level: high logsource: category: process_creation product: windows modified: 2020/11/28 references: - https://github.com/sensepost/ruler - https://www.fireeye.com/blog/threat-research/2018/12/overruled-containing-a-potentially-destructive-adversary.html status: experimental tags: - attack.execution - attack.t1059 - attack.t1202 ruletype: SIGMA