Jonhnathan
61afb1c1c0
* Windows Rules Att&ck Mapping review * Bump updated_date and fix reference URLs * Fix subtechnique * Fix test errors
47 lines
1.3 KiB
TOML
47 lines
1.3 KiB
TOML
[metadata]
|
|
creation_date = "2020/11/25"
|
|
maturity = "production"
|
|
updated_date = "2021/09/23"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Identifies registry write modifications to hide an encoded portable executable. This could be indicative of adversary
|
|
defense evasion by avoiding the storing of malicious content directly on disk.
|
|
"""
|
|
from = "now-9m"
|
|
index = ["logs-endpoint.events.*", "winlogbeat-*", "logs-windows.*"]
|
|
language = "eql"
|
|
license = "Elastic License v2"
|
|
name = "Encoded Executable Stored in the Registry"
|
|
risk_score = 47
|
|
rule_id = "93c1ce76-494c-4f01-8167-35edfb52f7b1"
|
|
severity = "medium"
|
|
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Defense Evasion"]
|
|
timestamp_override = "event.ingested"
|
|
type = "eql"
|
|
|
|
query = '''
|
|
registry where
|
|
/* update here with encoding combinations */
|
|
registry.data.strings : "TVqQAAMAAAAEAAAA*"
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1140"
|
|
name = "Deobfuscate/Decode Files or Information"
|
|
reference = "https://attack.mitre.org/techniques/T1140/"
|
|
[[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/"
|
|
|