Files
hayabusa/rules/Sigma/process_creation_discover_private_keys.yml
2021-11-14 11:00:56 +09:00

57 lines
1.5 KiB
YAML

title: Discover Private Keys
author: frack113
date: 2021/07/20
description: Adversaries may search for private key certificate files on compromised
systems for insecurely stored credential
detection:
SELECTION_1:
EventID: 1
SELECTION_10:
CommandLine: '*.pfx*'
SELECTION_11:
CommandLine: '*.cer*'
SELECTION_12:
CommandLine: '*.p7b*'
SELECTION_13:
CommandLine: '*.asc*'
SELECTION_2:
CommandLine: '*dir *'
SELECTION_3:
CommandLine: '*findstr *'
SELECTION_4:
CommandLine: '*.key*'
SELECTION_5:
CommandLine: '*.pgp*'
SELECTION_6:
CommandLine: '*.gpg*'
SELECTION_7:
CommandLine: '*.ppk*'
SELECTION_8:
CommandLine: '*.p12*'
SELECTION_9:
CommandLine: '*.pem*'
condition: (SELECTION_1 and (SELECTION_2 or SELECTION_3) and (SELECTION_4 or SELECTION_5
or SELECTION_6 or SELECTION_7 or SELECTION_8 or SELECTION_9 or SELECTION_10
or SELECTION_11 or SELECTION_12 or SELECTION_13))
falsepositives:
- Unknown
fields:
- ComputerName
- User
- CommandLine
- ParentCommandLine
id: 213d6a77-3d55-4ce8-ba74-fcfef741974e
level: medium
logsource:
category: process_creation
product: windows
references:
- https://github.com/redcanaryco/atomic-red-team/blob/master/atomics/T1552.004/T1552.004.md
status: experimental
tags:
- attack.credential_access
- attack.t1552.004
yml_filename: process_creation_discover_private_keys.yml
yml_path: /Users/user/Documents/YamatoSecurity/sigma/rules/windows/process_creation