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hayabusa/rules/sigma/process_creation/win_renamed_paexec.yml
2021-11-23 15:04:03 +09:00

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YAML

title: Execution of Renamed PaExec
author: Jason Lynch
date: 2019/04/17
description: Detects execution of renamed paexec via imphash and executable product
string
detection:
SELECTION_1:
EventID: 1
SELECTION_2:
EventID: 1
SELECTION_3:
Product:
- '*PAExec*'
SELECTION_4:
Imphash:
- 11D40A7B7876288F919AB819CC2D9802
- 6444f8a34e99b8f7d9647de66aabe516
- dfd6aa3f7b2b1035b76b718f1ddc689f
- 1a6cca4d5460b1710a12dea39e4a592c
SELECTION_5:
Image: '*paexec*'
condition: (SELECTION_1 and (SELECTION_2 and SELECTION_3 and SELECTION_4) and not
(SELECTION_5))
falsepositives:
- Unknown imphashes
id: 7b0666ad-3e38-4e3d-9bab-78b06de85f7b
level: medium
logsource:
category: process_creation
product: windows
modified: 2020/09/06
references:
- sha256=01a461ad68d11b5b5096f45eb54df9ba62c5af413fa9eb544eacb598373a26bc
- https://summit.fireeye.com/content/dam/fireeye-www/summit/cds-2018/presentations/cds18-technical-s05-att&cking-fin7.pdf
status: experimental
tags:
- attack.defense_evasion
- attack.t1036
- attack.t1036.003
- attack.g0046
- car.2013-05-009