Files
sigma-rules/rules/windows/persistence_local_scheduled_task_creation.toml
T
Jonhnathan 4233fef238 [Security Content] Include "Data Source: Elastic Defend" tag (#3002)
* win folder

* Other folders

* Update test_all_rules.py

* .

* updated missing elastic defend tags

---------

Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
2023-09-05 14:22:01 -04:00

67 lines
2.7 KiB
TOML

[metadata]
creation_date = "2020/02/18"
integration = ["endpoint", "windows"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/06/22"
[rule]
author = ["Elastic"]
description = """
Indicates the creation of a scheduled task. Adversaries can use these to establish persistence, move laterally, and/or
escalate privileges.
"""
false_positives = ["Legitimate scheduled tasks may be created during installation of new software."]
from = "now-9m"
index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"]
language = "eql"
license = "Elastic License v2"
name = "Local Scheduled Task Creation"
references = [
"https://www.elastic.co/security-labs/hunting-for-persistence-using-elastic-security-part-1",
"https://www.elastic.co/security-labs/hunting-for-persistence-using-elastic-security-part-2",
]
risk_score = 21
rule_id = "afcce5ad-65de-4ed2-8516-5e093d3ac99a"
severity = "low"
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Persistence", "Data Source: Elastic Defend"]
type = "eql"
query = '''
sequence with maxspan=1m
[process where host.os.type == "windows" and event.type != "end" and
((process.name : ("cmd.exe", "wscript.exe", "rundll32.exe", "regsvr32.exe", "wmic.exe", "mshta.exe",
"powershell.exe", "pwsh.exe", "powershell_ise.exe", "WmiPrvSe.exe", "wsmprovhost.exe", "winrshost.exe") or
process.pe.original_file_name : ("cmd.exe", "wscript.exe", "rundll32.exe", "regsvr32.exe", "wmic.exe", "mshta.exe",
"powershell.exe", "pwsh.dll", "powershell_ise.exe", "WmiPrvSe.exe", "wsmprovhost.exe",
"winrshost.exe")) or
process.code_signature.trusted == false)] by process.entity_id
[process where host.os.type == "windows" and event.type == "start" and
(process.name : "schtasks.exe" or process.pe.original_file_name == "schtasks.exe") and
process.args : ("/create", "-create") and process.args : ("/RU", "/SC", "/TN", "/TR", "/F", "/XML") and
/* exclude SYSTEM Integrity Level - look for task creations by non-SYSTEM user */
not (?process.Ext.token.integrity_level_name : "System" or ?winlog.event_data.IntegrityLevel : "System")
] by process.parent.entity_id
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1053"
name = "Scheduled Task/Job"
reference = "https://attack.mitre.org/techniques/T1053/"
[[rule.threat.technique.subtechnique]]
id = "T1053.005"
name = "Scheduled Task"
reference = "https://attack.mitre.org/techniques/T1053/005/"
[rule.threat.tactic]
id = "TA0003"
name = "Persistence"
reference = "https://attack.mitre.org/tactics/TA0003/"