Jonhnathan
c2d1586270
* [Rule Tuning] Windows BBR Promotion * Update non-ecs-schema.json * Update persistence_netsh_helper_dll.toml * Update persistence_werfault_reflectdebugger.toml * Update privilege_escalation_unquoted_service_path.toml * Update defense_evasion_msdt_suspicious_diagcab.toml * Update defense_evasion_suspicious_msiexec_execution.toml * Update discovery_security_software_wmic.toml * Revert "Update defense_evasion_msdt_suspicious_diagcab.toml" This reverts commit 0e1f3ea3e18a146c421a5bda784633cca4a2b0c0. * Revert "Update defense_evasion_suspicious_msiexec_execution.toml" This reverts commit 4e26a167774ad712d19334a4c2c712cc1d550e7f. * Revert "Update discovery_security_software_wmic.toml" This reverts commit d638cec354a46cacab1e62596f4ad939a1d9c32a. --------- Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com> Co-authored-by: Terrance DeJesus <99630311+terrancedejesus@users.noreply.github.com>
62 lines
1.8 KiB
TOML
62 lines
1.8 KiB
TOML
[metadata]
|
|
creation_date = "2023/08/29"
|
|
integration = ["endpoint"]
|
|
maturity = "production"
|
|
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
|
|
min_stack_version = "8.3.0"
|
|
updated_date = "2024/04/05"
|
|
|
|
[rule]
|
|
author = ["Elastic"]
|
|
description = """
|
|
Identifies the registration of a Werfault Debugger. Attackers may abuse this mechanism to execute malicious payloads
|
|
every time the utility is executed with the "-pr" parameter.
|
|
"""
|
|
from = "now-9m"
|
|
index = ["logs-endpoint.events.registry-*", "endgame-*"]
|
|
language = "eql"
|
|
license = "Elastic License v2"
|
|
name = "Werfault ReflectDebugger Persistence"
|
|
references = ["https://cocomelonc.github.io/malware/2022/11/02/malware-pers-18.html"]
|
|
risk_score = 21
|
|
rule_id = "205b52c4-9c28-4af4-8979-935f3278d61a"
|
|
severity = "low"
|
|
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Persistence", "Data Source: Elastic Endgame", "Data Source: Elastic Defend"]
|
|
timestamp_override = "event.ingested"
|
|
type = "eql"
|
|
|
|
query = '''
|
|
registry where host.os.type == "windows" and event.type == "change" and
|
|
registry.path : (
|
|
"HKLM\\Software\\Microsoft\\Windows\\Windows Error Reporting\\Hangs\\ReflectDebugger",
|
|
"\\REGISTRY\\MACHINE\\Software\\Microsoft\\Windows\\Windows Error Reporting\\Hangs\\ReflectDebugger"
|
|
)
|
|
'''
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[rule.threat.technique]]
|
|
id = "T1546"
|
|
name = "Event Triggered Execution"
|
|
reference = "https://attack.mitre.org/techniques/T1546/"
|
|
|
|
[rule.threat.tactic]
|
|
id = "TA0003"
|
|
name = "Persistence"
|
|
reference = "https://attack.mitre.org/tactics/TA0003/"
|
|
|
|
|
|
[[rule.threat]]
|
|
framework = "MITRE ATT&CK"
|
|
[[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/"
|