Files
sigma-rules/rules/windows/execution_via_net_com_assemblies.toml
T
Justin Ibarra 90a9320f93 [Rule Tuning] Remove timestamp_override for endgame-* promotion rules (#951)
* remove timestamp_override from endgame promotion rules
* updated version.lock to previous state for endgame promotion rule changes
* fix incorrect year in updated_date
2021-02-17 13:48:57 -09:00

55 lines
1.4 KiB
TOML

[metadata]
creation_date = "2020/03/25"
maturity = "production"
updated_date = "2021/02/16"
[rule]
author = ["Elastic"]
description = """
RegSvcs.exe and RegAsm.exe are Windows command line utilities that are used to register .NET Component Object Model
(COM) assemblies. Adversaries can use RegSvcs.exe and RegAsm.exe to proxy execution of code through a trusted Windows
utility.
"""
from = "now-9m"
index = ["winlogbeat-*", "logs-endpoint.events.*"]
language = "kuery"
license = "Elastic License"
name = "Execution via Regsvcs/Regasm"
risk_score = 21
rule_id = "47f09343-8d1f-4bb5-8bb0-00c9d18f5010"
severity = "low"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Execution"]
timestamp_override = "event.ingested"
type = "query"
query = '''
event.category:process and event.type:(start or process_started) and process.name:(RegAsm.exe or RegSvcs.exe)
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[rule.threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1218"
name = "Signed Binary Proxy Execution"
reference = "https://attack.mitre.org/techniques/T1218/"
[[rule.threat.technique.subtechnique]]
id = "T1218.009"
name = "Regsvcs/Regasm"
reference = "https://attack.mitre.org/techniques/T1218/009/"
[rule.threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"