frack113
39 lines
1.5 KiB
YAML
39 lines
1.5 KiB
YAML
title: Possible Applocker Bypass
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id: 82a19e3a-2bfe-4a91-8c0d-5d4c98fbb719
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status: deprecated
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description: Detects execution of executables that can be used to bypass Applocker whitelisting
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references:
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- https://github.com/carnal0wnage/ApplicationWhitelistBypassTechniques/blob/b348846a3bd2ff45e3616d63a4c2b4426f84772c/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/f339e7da7d05f6057fdfcdd3742bfcf365fee2a9/atomics/T1127.001/T1127.001.md
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author: juju4
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date: 2019/01/16
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modified: 2022/11/03
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tags:
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- attack.defense_evasion
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- attack.t1218.004
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- attack.t1218.009
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- attack.t1127.001
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- attack.t1218.005
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- attack.t1218 # no way to map 1:1, so the technique level is required
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logsource:
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category: process_creation
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product: windows
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detection:
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selection:
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CommandLine|contains:
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- '\msdt.exe'
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- '\installutil.exe'
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- '\regsvcs.exe'
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- '\regasm.exe'
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#- '\regsvr32.exe' # too many FPs, very noisy
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- '\msbuild.exe'
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- '\ieexec.exe'
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#- '\mshta.exe'
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#- '\csc.exe'
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condition: selection
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falsepositives:
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- False positives depend on scripts and administrative tools used in the monitored environment
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- Using installutil to add features for .NET applications (primarily would occur in developer environments)
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level: low
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