Files
sigma-rules/rules/macos/defense_evasion_install_root_certificate.toml
T
Justin Ibarra 59da2da474 [Rule Tuning] Ensure host information is in endpoint rule queries (#2593)
* add unit tests to ensure host type and platform are included
* add host.os.name 'linux' to all linux rules
* add host.os.name macos to mac rules
* add host.os.name to windows rules; fix linux dates
* update from host.os.name to host.os.type

Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com>
Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
2023-03-05 11:41:19 -07:00

57 lines
2.0 KiB
TOML

[metadata]
creation_date = "2021/01/13"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/02/22"
[rule]
author = ["Elastic"]
description = """
Adversaries may install a root certificate on a compromised system to avoid warnings when connecting to their command
and control servers. Root certificates are used in public key cryptography to identify a root certificate authority
(CA). When a root certificate is installed, the system or application will trust certificates in the root's chain of
trust that have been signed by the root certificate.
"""
false_positives = ["Certain applications may install root certificates for the purpose of inspecting SSL traffic."]
from = "now-9m"
index = ["auditbeat-*", "logs-endpoint.events.*"]
language = "kuery"
license = "Elastic License v2"
name = "Attempt to Install Root Certificate"
references = ["https://ss64.com/osx/security-cert.html"]
risk_score = 47
rule_id = "bc1eeacf-2972-434f-b782-3a532b100d67"
severity = "medium"
tags = ["Elastic", "Host", "macOS", "Threat Detection", "Defense Evasion"]
timestamp_override = "event.ingested"
type = "query"
query = '''
event.category:process and host.os.type:macos and event.type:(start or process_started) and
process.name:security and process.args:"add-trusted-cert" and
not process.parent.executable:("/Library/Bitdefender/AVP/product/bin/BDCoreIssues" or "/Applications/Bitdefender/SecurityNetworkInstallerApp.app/Contents/MacOS/SecurityNetworkInstallerApp"
)
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1553"
name = "Subvert Trust Controls"
reference = "https://attack.mitre.org/techniques/T1553/"
[[rule.threat.technique.subtechnique]]
id = "T1553.004"
name = "Install Root Certificate"
reference = "https://attack.mitre.org/techniques/T1553/004/"
[rule.threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"