61 lines
1.7 KiB
YAML
61 lines
1.7 KiB
YAML
title: Chafer Activity
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author: Florian Roth, Markus Neis, Jonhnathan Ribeiro, Daniil Yugoslavskiy, oscd.community
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date: 2018/03/23
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description: Detects Chafer activity attributed to OilRig as reported in Nyotron report
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in March 2018
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_10:
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CommandLine: '*-q=TXT*'
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SELECTION_11:
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ParentImage: '*\Autoit*'
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SELECTION_2:
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CommandLine: '*\Service.exe*'
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SELECTION_3:
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CommandLine: '*i'
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SELECTION_4:
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CommandLine: '*u'
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SELECTION_5:
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CommandLine: '*\microsoft\Taskbar\autoit3.exe'
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SELECTION_6:
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CommandLine: C:\wsc.exe*
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SELECTION_7:
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Image: '*\Windows\Temp\DB\\*'
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SELECTION_8:
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Image: '*.exe'
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SELECTION_9:
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CommandLine: '*\nslookup.exe*'
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condition: (SELECTION_1 and ((SELECTION_2 and (SELECTION_3 or SELECTION_4)) or
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(SELECTION_5 or SELECTION_6) or (SELECTION_7 and SELECTION_8) or (SELECTION_9
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and SELECTION_10 and SELECTION_11)))
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falsepositives:
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- Unknown
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id: ce6e34ca-966d-41c9-8d93-5b06c8b97a06
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level: critical
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logsource:
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category: process_creation
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product: windows
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modified: 2021/09/19
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references:
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- https://nyotron.com/nyotron-discovers-next-generation-oilrig-attacks/
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related:
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- id: 53ba33fd-3a50-4468-a5ef-c583635cfa92
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type: derived
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tags:
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- attack.persistence
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- attack.g0049
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- attack.t1053
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- attack.t1053.005
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- attack.s0111
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- attack.t1050
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- attack.t1543.003
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- attack.defense_evasion
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- attack.t1112
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- attack.command_and_control
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- attack.t1071
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- attack.t1071.004
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yml_filename: process_creationn_apt_chafer_mar18.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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