credential_access_dump_registry_hives.toml

[metadata]
creation_date = "2020/11/23"
maturity = "production"
updated_date = "2021/03/03"

[rule]
author = ["Elastic"]
description = "Identifies attempts to export a registry hive which may contain credentials using the Windows reg.exe tool."
from = "now-9m"
index = ["winlogbeat-*", "logs-endpoint.events.*", "logs-windows.*"]
language = "eql"
license = "Elastic License v2"
name = "Credential Acquisition via Registry Hive Dumping"
references = [
    "https://medium.com/threatpunter/detecting-attempts-to-steal-passwords-from-the-registry-7512674487f8",
]
risk_score = 73
rule_id = "a7e7bfa3-088e-4f13-b29e-3986e0e756b8"
severity = "high"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Credential Access"]
timestamp_override = "event.ingested"
type = "eql"

query = '''
process where event.type in ("start", "process_started") and
 process.pe.original_file_name == "reg.exe" and
 process.args : ("save", "export") and
 process.args : ("hklm\\sam", "hklm\\security")
'''


[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1003"
name = "OS Credential Dumping"
reference = "https://attack.mitre.org/techniques/T1003/"

  [[rule.threat.technique.subtechnique]]
  name = "Security Account Manager"
  id = "T1003.002"
  reference = "https://attack.mitre.org/techniques/T1003/002/"

  [[rule.threat.technique.subtechnique]]
  name = "LSA Secrets"
  id = "T1003.004"
  reference = "https://attack.mitre.org/techniques/T1003/004/"

[rule.threat.tactic]
id = "TA0006"
name = "Credential Access"
reference = "https://attack.mitre.org/tactics/TA0006/"