Justin Ibarra
43 lines
1.0 KiB
TOML
43 lines
1.0 KiB
TOML
[metadata]
|
|
creation_date = "2020/03/19"
|
|
ecs_version = ["1.5.0"]
|
|
maturity = "production"
|
|
updated_date = "2020/08/03"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Identifies certutil.exe making a network connection. Adversaries could abuse certutil.exe to download a certificate, or
|
|
malware, from a remote URL.
|
|
"""
|
|
from = "now-9m"
|
|
index = ["winlogbeat-*", "logs-endpoint.events.*"]
|
|
language = "kuery"
|
|
license = "Elastic License"
|
|
name = "Network Connection via Certutil"
|
|
risk_score = 21
|
|
rule_id = "3838e0e3-1850-4850-a411-2e8c5ba40ba8"
|
|
severity = "low"
|
|
tags = ["Elastic", "Windows"]
|
|
type = "query"
|
|
|
|
query = '''
|
|
event.category:network and event.type:connection and process.name:certutil.exe and
|
|
not destination.ip:(10.0.0.0/8 or 172.16.0.0/12 or 192.168.0.0/16)
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1105"
|
|
name = "Remote File Copy"
|
|
reference = "https://attack.mitre.org/techniques/T1105/"
|
|
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0011"
|
|
name = "Command and Control"
|
|
reference = "https://attack.mitre.org/tactics/TA0011/"
|
|
|