Jonhnathan
f584fb6e31
* [Security Content] Adjust Mitre Att&ck Mappings - Windows Rules * Fix dates * Fix unit test errors * updated tags and fixed branch conflicts updated tags and fixed branch conflicts * description nit * Reverting unintended changes * Update initial_access_suspicious_ms_office_child_process.toml --------- Co-authored-by: imays11 <59296946+imays11@users.noreply.github.com>
70 lines
2.3 KiB
TOML
70 lines
2.3 KiB
TOML
[metadata]
|
|
creation_date = "2021/03/22"
|
|
integration = ["endpoint"]
|
|
maturity = "production"
|
|
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
|
|
min_stack_version = "8.3.0"
|
|
updated_date = "2023/10/13"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Identifies NullSessionPipe registry modifications that specify which pipes can be accessed anonymously. This could be
|
|
indicative of adversary lateral movement preparation by making the added pipe available to everyone.
|
|
"""
|
|
from = "now-9m"
|
|
index = ["logs-endpoint.events.*", "endgame-*"]
|
|
language = "eql"
|
|
license = "Elastic License v2"
|
|
name = "NullSessionPipe Registry Modification"
|
|
references = [
|
|
"https://www.welivesecurity.com/2019/05/29/turla-powershell-usage/",
|
|
"https://docs.microsoft.com/en-us/windows/security/threat-protection/security-policy-settings/network-access-restrict-anonymous-access-to-named-pipes-and-shares",
|
|
]
|
|
risk_score = 47
|
|
rule_id = "ddab1f5f-7089-44f5-9fda-de5b11322e77"
|
|
severity = "medium"
|
|
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Lateral Movement", "Tactic: Defense Evasion", "Data Source: Elastic Endgame", "Data Source: Elastic Defend"]
|
|
timestamp_override = "event.ingested"
|
|
type = "eql"
|
|
|
|
query = '''
|
|
registry where host.os.type == "windows" and event.type in ("creation", "change") and
|
|
registry.path : (
|
|
"HKLM\\SYSTEM\\*ControlSet*\\services\\LanmanServer\\Parameters\\NullSessionPipes",
|
|
"\\REGISTRY\\MACHINE\\SYSTEM\\*ControlSet*\\services\\LanmanServer\\Parameters\\NullSessionPipes"
|
|
) and length(registry.data.strings) > 0
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1021"
|
|
name = "Remote Services"
|
|
reference = "https://attack.mitre.org/techniques/T1021/"
|
|
[[rule.threat.technique.subtechnique]]
|
|
id = "T1021.002"
|
|
name = "SMB/Windows Admin Shares"
|
|
reference = "https://attack.mitre.org/techniques/T1021/002/"
|
|
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0008"
|
|
name = "Lateral Movement"
|
|
reference = "https://attack.mitre.org/tactics/TA0008/"
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1112"
|
|
name = "Modify Registry"
|
|
reference = "https://attack.mitre.org/techniques/T1112/"
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0005"
|
|
name = "Defense Evasion"
|
|
reference = "https://attack.mitre.org/tactics/TA0005/"
|
|
|