Tanaka Zakku
53 lines
1.6 KiB
YAML
53 lines
1.6 KiB
YAML
title: Capture Credentials with Rpcping.exe
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author: Julia Fomina, oscd.community
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date: 2020/10/09
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description: Detects using Rpcping.exe to send a RPC test connection to the target
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server (-s) and force the NTLM hash to be sent in the process.
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detection:
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SELECTION_1:
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EventID: 1
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SELECTION_10:
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CommandLine: '*ncacn_np*'
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SELECTION_11:
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CommandLine: '*/t*'
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SELECTION_12:
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CommandLine: '*ncacn_np*'
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SELECTION_2:
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Image: '*\rpcping.exe'
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SELECTION_3:
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CommandLine: '*-s*'
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SELECTION_4:
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CommandLine: '*/s*'
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SELECTION_5:
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CommandLine: '*-u*'
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SELECTION_6:
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CommandLine: '*NTLM*'
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SELECTION_7:
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CommandLine: '*/u*'
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SELECTION_8:
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CommandLine: '*NTLM*'
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SELECTION_9:
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CommandLine: '*-t*'
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condition: (SELECTION_1 and (SELECTION_2 and (SELECTION_3 or SELECTION_4)) and
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((SELECTION_5 and SELECTION_6) or (SELECTION_7 and SELECTION_8) or (SELECTION_9
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and SELECTION_10) or (SELECTION_11 and SELECTION_12)))
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falsepositives:
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- Unlikely
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id: 93671f99-04eb-4ab4-a161-70d446a84003
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level: medium
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logsource:
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category: process_creation
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product: windows
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references:
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- https://lolbas-project.github.io/lolbas/Binaries/Rpcping/
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- https://twitter.com/vysecurity/status/974806438316072960
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- https://twitter.com/vysecurity/status/873181705024266241
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- https://docs.microsoft.com/en-us/previous-versions/windows/it-pro/windows-server-2012-r2-and-2012/hh875578(v=ws.11)
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status: experimental
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tags:
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- attack.credential_access
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- attack.t1003
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yml_filename: win_susp_rpcping.yml
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yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation
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