Files
sigma-rules/rules/windows/execution_mshta_making_network_connections.toml
T
Justin Ibarra 97ee8cc9ac Refresh beats and ecs schemas and default to use latest to validate (#570)
* Refresh beats and ecs schemas and default to use latest to validate
* remove incorrect ecs_version from zoom rule
* remove stale ecs_version from rules
2020-12-01 13:24:20 -09:00

46 lines
1.2 KiB
TOML

[metadata]
creation_date = "2020/02/18"
maturity = "development"
updated_date = "2020/11/03"
[rule]
author = ["Elastic"]
description = """
Identifies mshta.exe making a network connection. This may indicate adversarial activity as mshta.exe is often leveraged
by adversaries to execute malicious scripts and evade detection.
"""
from = "now-9m"
index = ["winlogbeat-*", "logs-endpoint.events.*"]
language = "eql"
license = "Elastic License"
name = "Network Connection via Mshta"
references = ["https://www.fireeye.com/blog/threat-research/2017/05/cyber-espionage-apt32.html"]
risk_score = 47
rule_id = "a4ec1382-4557-452b-89ba-e413b22ed4b8"
severity = "medium"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Execution"]
type = "eql"
query = '''
/* duplicate of Mshta Making Network Connections - c2d90150-0133-451c-a783-533e736c12d7 */
sequence by process.entity_id
[process where process.name : "mshta.exe" and event.type == "start"]
[network where process.name : "mshta.exe"]
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1170"
name = "Mshta"
reference = "https://attack.mitre.org/techniques/T1170/"
[rule.threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"