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sigma-rules/rules/windows/lateral_movement_remote_services.toml
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Samirbous 6f69695820 [Rule Tuning] Remotely Started Services via RPC (#2211)
* [Rule Tuning] Remotely Started Services via RPC

excluding noisy FPs by process.executable to be compatible with winlog and endpoint

* Update lateral_movement_remote_services.toml

Co-authored-by: Colson Wilhoit <48036388+DefSecSentinel@users.noreply.github.com>
2022-08-01 18:11:11 +02:00

76 lines
3.1 KiB
TOML

[metadata]
creation_date = "2020/11/16"
maturity = "production"
updated_date = "2022/08/01"
[rule]
author = ["Elastic"]
description = """
Identifies remote execution of Windows services over remote procedure call (RPC). This could be indicative of lateral
movement, but will be noisy if commonly done by administrators."
"""
from = "now-9m"
index = ["logs-endpoint.events.*", "winlogbeat-*", "logs-windows.*"]
language = "eql"
license = "Elastic License v2"
name = "Remotely Started Services via RPC"
risk_score = 47
rule_id = "aa9a274d-6b53-424d-ac5e-cb8ca4251650"
severity = "medium"
tags = ["Elastic", "Host", "Windows", "Threat Detection", "Lateral Movement"]
type = "eql"
query = '''
sequence with maxspan=1s
[network where process.name : "services.exe" and
network.direction : ("incoming", "ingress") and network.transport == "tcp" and
source.port >= 49152 and destination.port >= 49152 and source.ip != "127.0.0.1" and source.ip != "::1"
] by host.id, process.entity_id
[process where event.type in ("start", "process_started") and process.parent.name : "services.exe" and
not (process.name : "svchost.exe" and process.args : "tiledatamodelsvc") and
not (process.name : "msiexec.exe" and process.args : "/V") and
not process.executable :
("?:\\Windows\\ADCR_Agent\\adcrsvc.exe",
"?:\\Windows\\System32\\VSSVC.exe",
"?:\\Windows\\servicing\\TrustedInstaller.exe",
"?:\\Windows\\System32\\svchost.exe",
"?:\\Program Files (x86)\\*.exe",
"?:\\Program Files\\*.exe",
"?:\\Windows\\PSEXESVC.EXE",
"?:\\Windows\\System32\\sppsvc.exe",
"?:\\Windows\\System32\\wbem\\WmiApSrv.exe",
"?:\\WINDOWS\\RemoteAuditService.exe",
"?:\\Windows\\VeeamVssSupport\\VeeamGuestHelper.exe",
"?:\\Windows\\VeeamLogShipper\\VeeamLogShipper.exe",
"?:\\Windows\\CAInvokerService.exe",
"?:\\Windows\\System32\\upfc.exe",
"?:\\Windows\\AdminArsenal\\PDQ*.exe",
"?:\\Windows\\System32\\vds.exe",
"?:\\Windows\\Veeam\\Backup\\VeeamDeploymentSvc.exe",
"?:\\Windows\\ProPatches\\Scheduler\\STSchedEx.exe",
"?:\\Windows\\System32\\certsrv.exe",
"?:\\Windows\\eset-remote-install-service.exe",
"?:\\Pella Corporation\\Pella Order Management\\GPAutoSvc.exe",
"?:\\Pella Corporation\\OSCToGPAutoService\\OSCToGPAutoSvc.exe",
"?:\\Pella Corporation\\Pella Order Management\\GPAutoSvc.exe",
"?:\\Windows\\SysWOW64\\NwxExeSvc\\NwxExeSvc.exe",
"?:\\Windows\\System32\\taskhostex.exe")
] by host.id, process.parent.entity_id
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1021"
name = "Remote Services"
reference = "https://attack.mitre.org/techniques/T1021/"
[rule.threat.tactic]
id = "TA0008"
name = "Lateral Movement"
reference = "https://attack.mitre.org/tactics/TA0008/"