rules/_deprecated/initial_access_login_sessions.toml

[metadata]
creation_date = "2020/07/08"
deprecation_date = "2022/07/25"
maturity = "deprecated"
updated_date = "2022/07/25"

[rule]
author = ["Elastic"]
description = "Identifies that the maximum number login sessions has been reached for a user."
index = ["auditbeat-*"]
language = "kuery"
license = "Elastic License v2"
name = "Auditd Max Login Sessions"
references = [
    "https://github.com/linux-pam/linux-pam/blob/70c32cc6fca51338f92afa58eb75b1107a5c2430/modules/pam_limits/pam_limits.c#L1007",
]
risk_score = 47
rule_id = "20dc4620-3b68-4269-8124-ca5091e00ea8"
severity = "medium"
tags = ["Elastic", "Host", "Linux", "Threat Detection", "Initial Access"]
timestamp_override = "event.ingested"
type = "query"

query = '''
event.module:auditd and event.action:"opened-too-many-sessions-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/"