Samirbous
cdbd3c0640
* tunning of 3 existing rules added not to accessibility rule added whoami to system identity running discovery utility added regasm.exe to registration utility performing ntcon * Update rules/windows/discovery_net_command_system_account.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/windows/execution_register_server_program_connecting_to_the_internet.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update execution_register_server_program_connecting_to_the_internet.toml * Update execution_register_server_program_connecting_to_the_internet.toml * Update execution_register_server_program_connecting_to_the_internet.toml * Update execution_register_server_program_connecting_to_the_internet.toml * Update persistence_priv_escalation_via_accessibility_features.toml * Update discovery_net_command_system_account.toml * Update rules/windows/execution_register_server_program_connecting_to_the_internet.toml Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> * Update rules/windows/discovery_net_command_system_account.toml Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com> Co-authored-by: Justin Ibarra <brokensound77@users.noreply.github.com> Co-authored-by: David French <56409778+threat-punter@users.noreply.github.com>
42 lines
1.1 KiB
TOML
42 lines
1.1 KiB
TOML
[metadata]
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creation_date = "2020/03/18"
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ecs_version = ["1.6.0"]
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maturity = "production"
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updated_date = "2020/08/12"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies the SYSTEM account using an account discovery utility. This could be a sign of discovery activity after an adversary has achieved privilege escalation.
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"""
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from = "now-9m"
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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 = "Net command via SYSTEM account"
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risk_score = 21
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rule_id = "2856446a-34e6-435b-9fb5-f8f040bfa7ed"
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severity = "low"
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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:(whoami.exe or net.exe) or process.name:net1.exe and not process.parent.name:net.exe) and
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user.name:SYSTEM
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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 = "T1087"
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name = "Account Discovery"
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reference = "https://attack.mitre.org/techniques/T1087/"
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[rule.threat.tactic]
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id = "TA0007"
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name = "Discovery"
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reference = "https://attack.mitre.org/tactics/TA0007/"
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