Files
sigma-rules/rules/linux/initial_access_login_time.toml
T
Colson Wilhoit 150ff0502e Linux Shell Evasion Rule Tuning (#1878)
* Linux Shell Evasion Rule Tuning

* Update execution_python_tty_shell.toml

* Update rules/linux/execution_apt_binary.toml

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* Update rules/linux/execution_apt_binary.toml

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* Update rules/linux/execution_ssh_binary.toml

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* Update rules/linux/execution_expect_binary.toml

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* Update rules/linux/execution_find_binary.toml

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* Update rules/linux/execution_gcc_binary.toml

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* Update rules/linux/execution_mysql_binary.toml

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2022-03-29 21:03:35 -04:00

53 lines
1.3 KiB
TOML

[metadata]
creation_date = "2020/07/08"
maturity = "production"
updated_date = "2021/03/03"
[rule]
author = ["Elastic"]
description = "Identifies that a login attempt occurred at a forbidden time."
index = ["auditbeat-*"]
language = "kuery"
license = "Elastic License v2"
name = "Auditd Login Attempt at Forbidden Time"
references = [
"https://github.com/linux-pam/linux-pam/blob/aac5a8fdc4aa3f7e56335a6343774cc1b63b408d/modules/pam_time/pam_time.c#L666",
]
risk_score = 47
rule_id = "90e28af7-1d96-4582-bf11-9a1eff21d0e5"
severity = "medium"
tags = ["Elastic", "Host", "Linux", "Threat Detection", "Initial Access"]
timestamp_override = "event.ingested"
type = "query"
query = '''
event.module:auditd and event.action:"attempted-log-in-during-unusual-hour-to"
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1078"
name = "Valid Accounts"
reference = "https://attack.mitre.org/techniques/T1078/"
[rule.threat.tactic]
id = "TA0001"
name = "Initial Access"
reference = "https://attack.mitre.org/tactics/TA0001/"
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1078"
name = "Valid Accounts"
reference = "https://attack.mitre.org/techniques/T1078/"
[rule.threat.tactic]
id = "TA0003"
name = "Persistence"
reference = "https://attack.mitre.org/tactics/TA0003/"