Files
sigma-rules/rules/windows/execution_via_net_com_assemblies.toml
T
seth-goodwin 2065af89b1 [Rule Tuning] Tag Categorization Updates (#380)
* Add new categorization tags

* Change updated_date to 2020/10/26

Co-authored-by: Ross Wolf <31489089+rw-access@users.noreply.github.com>, @bm11100
2020-10-26 13:50:45 -05:00

55 lines
1.4 KiB
TOML

[metadata]
creation_date = "2020/03/25"
ecs_version = ["1.6.0"]
maturity = "production"
updated_date = "2020/10/26"
[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"]
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.technique]]
id = "T1121"
name = "Regsvcs/Regasm"
reference = "https://attack.mitre.org/techniques/T1121/"
[rule.threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1121"
name = "Regsvcs/Regasm"
reference = "https://attack.mitre.org/techniques/T1121/"
[rule.threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"