4233fef238
* win folder * Other folders * Update test_all_rules.py * . * updated missing elastic defend tags --------- Co-authored-by: terrancedejesus <terrance.dejesus@elastic.co>
69 lines
2.5 KiB
TOML
69 lines
2.5 KiB
TOML
[metadata]
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creation_date = "2020/11/11"
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integration = ["endpoint"]
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maturity = "production"
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min_stack_comments = "New fields added: required_fields, related_integrations, setup"
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min_stack_version = "8.3.0"
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updated_date = "2023/06/22"
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[rule]
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author = ["Elastic"]
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description = """
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Identifies potential behavior of SharpRDP, which is a tool that can be used to perform authenticated command execution
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against a remote target via Remote Desktop Protocol (RDP) for the purposes of lateral movement.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Potential SharpRDP Behavior"
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references = [
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"https://posts.specterops.io/revisiting-remote-desktop-lateral-movement-8fb905cb46c3",
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"https://github.com/sbousseaden/EVTX-ATTACK-SAMPLES/blob/master/Lateral%20Movement/LM_sysmon_3_12_13_1_SharpRDP.evtx",
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]
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risk_score = 73
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rule_id = "8c81e506-6e82-4884-9b9a-75d3d252f967"
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severity = "high"
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tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Lateral Movement", "Data Source: Elastic Defend"]
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type = "eql"
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query = '''
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/* Incoming RDP followed by a new RunMRU string value set to cmd, powershell, taskmgr or tsclient, followed by process execution within 1m */
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sequence by host.id with maxspan=1m
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[network where host.os.type == "windows" and event.type == "start" and process.name : "svchost.exe" and destination.port == 3389 and
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network.direction : ("incoming", "ingress") and network.transport == "tcp" and
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source.ip != "127.0.0.1" and source.ip != "::1"
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]
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[registry where host.os.type == "windows" and process.name : "explorer.exe" and
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registry.path : ("HKEY_USERS\\*\\Software\\Microsoft\\Windows\\CurrentVersion\\Explorer\\RunMRU\\*") and
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registry.data.strings : ("cmd.exe*", "powershell.exe*", "taskmgr*", "\\\\tsclient\\*.exe\\*")
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]
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[process where host.os.type == "windows" and event.type == "start" and
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(process.parent.name : ("cmd.exe", "powershell.exe", "taskmgr.exe") or process.args : ("\\\\tsclient\\*.exe")) and
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not process.name : "conhost.exe"
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]
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'''
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[[rule.threat]]
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framework = "MITRE ATT&CK"
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[[rule.threat.technique]]
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id = "T1021"
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name = "Remote Services"
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reference = "https://attack.mitre.org/techniques/T1021/"
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[[rule.threat.technique.subtechnique]]
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id = "T1021.001"
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name = "Remote Desktop Protocol"
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reference = "https://attack.mitre.org/techniques/T1021/001/"
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[rule.threat.tactic]
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id = "TA0008"
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name = "Lateral Movement"
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reference = "https://attack.mitre.org/tactics/TA0008/"
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