53 lines
1.6 KiB
YAML
53 lines
1.6 KiB
YAML
title: Possible Applocker Bypass
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author: juju4
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date: 2019/01/16
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description: Detects execution of executables that can be used to bypass Applocker
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whitelisting
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_2:
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CommandLine: '*\msdt.exe*'
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SELECTION_3:
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CommandLine: '*\installutil.exe*'
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SELECTION_4:
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CommandLine: '*\regsvcs.exe*'
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SELECTION_5:
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CommandLine: '*\regasm.exe*'
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SELECTION_6:
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CommandLine: '*\msbuild.exe*'
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SELECTION_7:
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CommandLine: '*\ieexec.exe*'
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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))
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falsepositives:
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- False positives depend on scripts and administrative tools used in the monitored
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environment
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- Using installutil to add features for .NET applications (primarily would occur in
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developer environments)
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id: 82a19e3a-2bfe-4a91-8c0d-5d4c98fbb719
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level: low
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logsource:
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category: process_creation
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product: windows
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modified: 2020/09/01
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references:
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- https://github.com/subTee/ApplicationWhitelistBypassTechniques/blob/master/TheList.txt
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- https://room362.com/post/2014/2014-01-16-application-whitelist-bypass-using-ieexec-dot-exe/
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- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1127.001/T1127.001.md
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status: experimental
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tags:
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- attack.defense_evasion
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- attack.t1118
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- attack.t1218.004
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- attack.t1121
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- attack.t1218.009
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- attack.t1127
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- attack.t1127.001
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- attack.t1170
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- attack.t1218.005
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- attack.t1218
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yml_filename: win_possible_applocker_bypass.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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