Files
sigma-rules/rules/windows/lateral_movement_rdp_sharprdp_target.toml
T
Jonhnathan 4233fef238 [Security Content] Include "Data Source: Elastic Defend" tag (#3002)
* win folder

* Other folders

* Update test_all_rules.py

* .

* updated missing elastic defend tags

---------

Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
2023-09-05 14:22:01 -04:00

69 lines
2.5 KiB
TOML

[metadata]
creation_date = "2020/11/11"
integration = ["endpoint"]
maturity = "production"
min_stack_comments = "New fields added: required_fields, related_integrations, setup"
min_stack_version = "8.3.0"
updated_date = "2023/06/22"
[rule]
author = ["Elastic"]
description = """
Identifies potential behavior of SharpRDP, which is a tool that can be used to perform authenticated command execution
against a remote target via Remote Desktop Protocol (RDP) for the purposes of lateral movement.
"""
from = "now-9m"
index = ["logs-endpoint.events.*"]
language = "eql"
license = "Elastic License v2"
name = "Potential SharpRDP Behavior"
references = [
"https://posts.specterops.io/revisiting-remote-desktop-lateral-movement-8fb905cb46c3",
"https://github.com/sbousseaden/EVTX-ATTACK-SAMPLES/blob/master/Lateral%20Movement/LM_sysmon_3_12_13_1_SharpRDP.evtx",
]
risk_score = 73
rule_id = "8c81e506-6e82-4884-9b9a-75d3d252f967"
severity = "high"
tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Lateral Movement", "Data Source: Elastic Defend"]
type = "eql"
query = '''
/* Incoming RDP followed by a new RunMRU string value set to cmd, powershell, taskmgr or tsclient, followed by process execution within 1m */
sequence by host.id with maxspan=1m
[network where host.os.type == "windows" and event.type == "start" and process.name : "svchost.exe" and destination.port == 3389 and
network.direction : ("incoming", "ingress") and network.transport == "tcp" and
source.ip != "127.0.0.1" and source.ip != "::1"
]
[registry where host.os.type == "windows" and process.name : "explorer.exe" and
registry.path : ("HKEY_USERS\\*\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\RunMRU\\*") and
registry.data.strings : ("cmd.exe*", "powershell.exe*", "taskmgr*", "\\\\tsclient\\*.exe\\*")
]
[process where host.os.type == "windows" and event.type == "start" and
(process.parent.name : ("cmd.exe", "powershell.exe", "taskmgr.exe") or process.args : ("\\\\tsclient\\*.exe")) and
not process.name : "conhost.exe"
]
'''
[[rule.threat]]
framework = "MITRE ATT&CK"
[[rule.threat.technique]]
id = "T1021"
name = "Remote Services"
reference = "https://attack.mitre.org/techniques/T1021/"
[[rule.threat.technique.subtechnique]]
id = "T1021.001"
name = "Remote Desktop Protocol"
reference = "https://attack.mitre.org/techniques/T1021/001/"
[rule.threat.tactic]
id = "TA0008"
name = "Lateral Movement"
reference = "https://attack.mitre.org/tactics/TA0008/"