Files
sigma-rules/rules/windows/execution_via_net_com_assemblies.toml
T
Justin Ibarra c1a0438f45 [Rule Tuning] Update ATT&CK threat mappings to reflect changes (#706)
* replaced/removed all revoked/deprecated techniques
* tests will fail on revoked (changed) techniques
* tests will fail on deprecated techniques
* tests will fail when techniques are mapped to an invalid tactic
2020-12-18 12:46:16 -09:00

54 lines
1.4 KiB
TOML

[metadata]
creation_date = "2020/03/25"
maturity = "production"
updated_date = "2020/12/17"
[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.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/"