Samirbous
fc3dcdf133
* [New Rule] Suspicious CommandShell Parent Process * toml linted * Update execution_command_shell_started_by_unusual_process.toml * Update execution_command_shell_started_by_unusual_process.toml * Update execution_command_shell_started_by_unusual_process.toml * Update execution_command_shell_started_by_unusual_process.toml * Update execution_command_shell_started_by_unusual_process.toml * Update rules/windows/execution_command_shell_started_by_unusual_process.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/windows/execution_command_shell_started_by_unusual_process.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/windows/execution_command_shell_started_by_unusual_process.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/windows/execution_command_shell_started_by_unusual_process.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update execution_command_shell_started_by_unusual_process.toml * Update execution_command_shell_started_by_unusual_process.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com>
41 lines
1.3 KiB
TOML
41 lines
1.3 KiB
TOML
[metadata]
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creation_date = "2020/08/21"
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ecs_version = ["1.6.0"]
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maturity = "production"
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updated_date = "2020/08/21"
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[rule]
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author = ["Elastic"]
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description = "Identifies a suspicious parent child process relationship with cmd.exe descending from an unusual process."
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index = ["winlogbeat-*", "logs-endpoint.events.*"]
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language = "kuery"
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license = "Elastic License"
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name = "Unusual Parent Process for cmd.exe"
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risk_score = 47
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rule_id = "3b47900d-e793-49e8-968f-c90dc3526aa1"
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severity = "medium"
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tags = ["Elastic", "Windows"]
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type = "query"
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query = '''
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event.category:process and event.type:(start or process_started) and
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process.name:cmd.exe and
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process.parent.name:(lsass.exe or csrss.exe or notepad.exe or regsvr32.exe or dllhost.exe or LogonUI.exe or wermgr.exe or spoolsv.exe or
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jucheck.exe or jusched.exe or ctfmon.exe or taskhostw.exe or GoogleUpdate.exe or sppsvc.exe or sihost.exe or slui.exe or
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SIHClient.exe or SearchIndexer.exe or SearchProtocolHost.exe or FlashPlayerUpdateService.exe or WerFault.exe or WUDFHost.exe or unsecapp.exe or wlanext.exe)
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'''
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1059"
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name = "Command and Scripting Interpreter"
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reference = "https://attack.mitre.org/techniques/T1059/"
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[rule.threat.tactic]
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id = "TA0002"
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name = "Execution"
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reference = "https://attack.mitre.org/tactics/TA0002/"
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