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34 lines
1.3 KiB
YAML
Executable File
34 lines
1.3 KiB
YAML
Executable File
title: Suspicious ADSI-Cache Usage By Unknown Tool
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id: 75bf09fa-1dd7-4d18-9af9-dd9e492562eb
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description: Detects the usage of ADSI (LDAP) operations by tools. This may also detect tools like LDAPFragger.
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status: experimental
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date: 2019/03/24
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modified: 2020/08/23
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author: xknow @xknow_infosec
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references:
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- https://medium.com/@ivecodoe/detecting-ldapfragger-a-newly-released-cobalt-strike-beacon-using-ldap-for-c2-communication-c274a7f00961
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- https://blog.fox-it.com/2020/03/19/ldapfragger-command-and-control-over-ldap-attributes/
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- https://github.com/fox-it/LDAPFragger
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tags:
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- attack.t1071 # an old one
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- attack.t1001.003
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- attack.command_and_control
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logsource:
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product: windows
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category: file_event
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detection:
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selection_1:
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TargetFilename|contains: '\Local\Microsoft\Windows\SchCache\'
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TargetFilename|endswith: '.sch'
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selection_2:
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Image:
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- 'C:\windows\system32\svchost.exe'
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- 'C:\windows\system32\dllhost.exe'
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- 'C:\windows\system32\mmc.exe'
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- 'C:\windows\system32\WindowsPowerShell\v1.0\powershell.exe'
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- 'C:\Windows\CCM\CcmExec.exe'
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condition: selection_1 and not selection_2
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falsepositives:
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- Other legimate tools, which do ADSI (LDAP) operations, e.g. any remoting activity by MMC, Powershell, Windows etc.
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level: high
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