SigmaHQ/rules/windows/file_event/sysmon_susp_adsi_cache_usage.yml
Brad Kish c758ca0eb9 Re-fix sysmon rules that are lost changes with category refactoring.
Several fixes for sysmon rules got lost when the rules were refactored to use
categories.

Re-add the fixes.

38afd8b5de

422b2bffd7

dfae2a6df6
2020-07-06 10:55:42 -04:00

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YAML
Executable File

title: Suspicious ADSI-Cache Usage By Unknown Tool
id: 75bf09fa-1dd7-4d18-9af9-dd9e492562eb
description: detects the usage of ADSI (LDAP) operations by tools. This may also detect tools like LDAPFragger.
status: experimental
date: 2019/03/24
author: xknow @xknow_infosec
references:
- https://medium.com/@ivecodoe/detecting-ldapfragger-a-newly-released-cobalt-strike-beacon-using-ldap-for-c2-communication-c274a7f00961
- https://blog.fox-it.com/2020/03/19/ldapfragger-command-and-control-over-ldap-attributes/
- https://github.com/fox-it/LDAPFragger
tags:
- attack.t1041
- attack.persistence
logsource:
product: windows
category: file_event
detection:
selection_1:
TargetFilename: '*\Local\Microsoft\Windows\SchCache\\*.sch'
selection_2:
Image|contains:
- 'C:\windows\system32\svchost.exe'
- 'C:\windows\system32\dllhost.exe'
- 'C:\windows\system32\mmc.exe'
- 'C:\windows\system32\WindowsPowerShell\v1.0\powershell.exe'
condition: selection_1 and not selection_2
falsepositives:
- Other legimate tools, which do ADSI (LDAP) operations, e.g. any remoting activity by MMC, Powershell, Windows etc.
level: high