61 lines
2.0 KiB
YAML
61 lines
2.0 KiB
YAML
title: Operation Wocao Activity
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author: Florian Roth, frack113
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date: 2019/12/20
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description: Detects activity mentioned in Operation Wocao report
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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: '*iie.exe iie.txt*'
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SELECTION_11:
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CommandLine: '*reg query HKEY_CURRENT_USER\Software\\*\PuTTY\Sessions\\*'
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SELECTION_2:
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CommandLine: '*checkadmin.exe 127.0.0.1 -all*'
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SELECTION_3:
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CommandLine: '*netsh advfirewall firewall add rule name=powershell dir=in*'
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SELECTION_4:
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CommandLine: '*cmd /c powershell.exe -ep bypass -file c:\s.ps1*'
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SELECTION_5:
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CommandLine: '*/tn win32times /f*'
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SELECTION_6:
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CommandLine: '*create win32times binPath=*'
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SELECTION_7:
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CommandLine: '*\c$\windows\system32\devmgr.dll*'
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SELECTION_8:
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CommandLine: '* -exec bypass -enc JgAg*'
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SELECTION_9:
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CommandLine: '*type *keepass\KeePass.config.xml*'
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condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3 or SELECTION_4 or SELECTION_5
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or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9 or SELECTION_10
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or SELECTION_11))
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falsepositives:
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- Administrators that use checkadmin.exe tool to enumerate local administrators
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id: 1cfac73c-be78-4f9a-9b08-5bde0c3953ab
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level: high
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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://www.fox-it.com/en/news/whitepapers/operation-wocao-shining-a-light-on-one-of-chinas-hidden-hacking-groups/
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- https://twitter.com/SBousseaden/status/1207671369963646976
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related:
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- id: 74ad4314-482e-4c3e-b237-3f7ed3b9ca8d
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type: derived
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status: experimental
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tags:
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- attack.discovery
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- attack.t1012
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- attack.defense_evasion
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- attack.t1036.004
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- attack.t1036
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- attack.t1027
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- attack.execution
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- attack.t1053.005
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- attack.t1053
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- attack.t1059.001
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- attack.t1086
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yml_filename: process_creation_apt_wocao.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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