Files
sigma-rules/rules/windows/execution_command_shell_started_by_unusual_process.toml
T
Justin Ibarra 97ee8cc9ac Refresh beats and ecs schemas and default to use latest to validate (#570)
* Refresh beats and ecs schemas and default to use latest to validate
* remove incorrect ecs_version from zoom rule
* remove stale ecs_version from rules
2020-12-01 13:24:20 -09:00

42 lines
1.4 KiB
TOML

[metadata]
creation_date = "2020/08/21"
maturity = "production"
updated_date = "2020/11/03"
[rule]
author = ["Elastic"]
description = "Identifies a suspicious parent child process relationship with cmd.exe descending from an unusual process."
from = "now-9m"
index = ["winlogbeat-*", "logs-endpoint.events.*"]
language = "kuery"
license = "Elastic License"
name = "Unusual Parent Process for cmd.exe"
risk_score = 47
rule_id = "3b47900d-e793-49e8-968f-c90dc3526aa1"
severity = "medium"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Execution"]
type = "query"
query = '''
event.category:process and event.type:(start or process_started) and
process.name:cmd.exe and
process.parent.name:(lsass.exe or csrss.exe or notepad.exe or regsvr32.exe or dllhost.exe or LogonUI.exe or wermgr.exe or spoolsv.exe or
jucheck.exe or jusched.exe or ctfmon.exe or taskhostw.exe or GoogleUpdate.exe or sppsvc.exe or sihost.exe or slui.exe or
SIHClient.exe or SearchIndexer.exe or SearchProtocolHost.exe or FlashPlayerUpdateService.exe or WerFault.exe or WUDFHost.exe or unsecapp.exe or wlanext.exe)
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1059"
name = "Command and Scripting Interpreter"
reference = "https://attack.mitre.org/techniques/T1059/"
[rule.threat.tactic]
id = "TA0002"
name = "Execution"
reference = "https://attack.mitre.org/tactics/TA0002/"