Files
sigma-rules/rules/windows/defense_evasion_suspicious_managedcode_host_process.toml
T
Jonhnathan 80841b5619 [Rule Tuning] 3rd Party EDR - Add Crowdstrike FDR support - 2 (#4221)
* [Rule Tuning] 3rd Party EDR - Add Crowdstrike FDR support - 2

* Update rules/windows/defense_evasion_execution_control_panel_suspicious_args.toml

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>

---------

Co-authored-by: Samirbous <64742097+Samirbous@users.noreply.github.com>
2024-11-04 11:47:43 -03:00

67 lines
2.0 KiB
TOML

[metadata]
creation_date = "2020/08/21"
integration = ["endpoint", "windows", "m365_defender", "sentinel_one_cloud_funnel", "crowdstrike"]
maturity = "production"
updated_date = "2024/10/31"
min_stack_version = "8.14.0"
min_stack_comments = "Breaking change at 8.14.0 for the Windows Integration."
[rule]
author = ["Elastic"]
description = """
Identifies a suspicious managed code hosting process which could indicate code injection or other form of suspicious
code execution.
"""
from = "now-9m"
index = ["winlogbeat-*", "logs-endpoint.events.file-*", "logs-windows.sysmon_operational-*", "logs-m365_defender.event-*", "logs-sentinel_one_cloud_funnel.*", "endgame-*", "logs-crowdstrike.fdr*"]
language = "eql"
license = "Elastic License v2"
name = "Suspicious Managed Code Hosting Process"
references = [
"http://web.archive.org/web/20230329154538/https://blog.menasec.net/2019/07/interesting-difr-traces-of-net-clr.html",
]
risk_score = 73
rule_id = "acf738b5-b5b2-4acc-bad9-1e18ee234f40"
severity = "high"
tags = [
"Domain: Endpoint",
"OS: Windows",
"Use Case: Threat Detection",
"Tactic: Defense Evasion",
"Data Source: Elastic Defend",
"Data Source: Sysmon",
"Data Source: Microsoft Defender for Endpoint",
"Data Source: SentinelOne",
"Data Source: Elastic Endgame",
"Data Source: Crowdstrike",
]
timestamp_override = "event.ingested"
type = "eql"
query = '''
file where host.os.type == "windows" and event.type != "deletion" and
file.name : ("wscript.exe.log",
"cscript.exe.log",
"mshta.exe.log",
"wmic.exe.log",
"svchost.exe.log",
"dllhost.exe.log",
"cmstp.exe.log",
"regsvr32.exe.log")
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1055"
name = "Process Injection"
reference = "https://attack.mitre.org/techniques/T1055/"
[rule.threat.tactic]
id = "TA0005"
name = "Defense Evasion"
reference = "https://attack.mitre.org/tactics/TA0005/"