frack113
44 lines
1.3 KiB
YAML
44 lines
1.3 KiB
YAML
title: Recon Activity with NLTEST
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id: 5cc90652-4cbd-4241-aa3b-4b462fa5a248
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description: Detects nltest commands that can be used for information discovery
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references:
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- https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/cc731935(v=ws.11)
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- https://thedfirreport.com/2021/08/16/trickbot-leads-up-to-fake-1password-installation/
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- https://attack.mitre.org/techniques/T1482/
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- https://attack.mitre.org/techniques/T1016/
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- https://book.hacktricks.xyz/windows/basic-cmd-for-pentesters
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status: experimental
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author: Craig Young, oscd.community, Georg Lauenstein
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date: 2021/07/24
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modified: 2021/08/19
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tags:
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- attack.discovery
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- attack.t1016
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- attack.t1482
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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_nltest:
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Image|endswith: '\nltest.exe'
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selection_recon1:
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CommandLine|contains|all:
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- '/server'
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- '/query'
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selection_recon2:
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CommandLine|contains:
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- '/dclist:'
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- '/parentdomain'
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- '/domain_trusts'
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- '/trusted_domains'
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- '/user'
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condition: selection_nltest and (selection_recon1 or selection_recon2)
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falsepositives:
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- Legitimate administration use but user must be check out
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level: medium
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fields:
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- Image
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- User
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- CommandLine
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- ParentCommandLine
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