Jonhnathan
0e337e2c36
* [New Rule] New BBR Rules - Part 4 * Apply suggestions from code review Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com> --------- Co-authored-by: Ruben Groenewoud <78494512+Aegrah@users.noreply.github.com>
56 lines
1.7 KiB
TOML
56 lines
1.7 KiB
TOML
[metadata]
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creation_date = "2023/08/24"
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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 = "2023/08/24"
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[rule]
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author = ["Elastic"]
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description = """
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The Microsoft Connection Manager Profile Installer (CMSTP.exe) is a command-line program to install Connection Manager
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service profiles, which accept installation information file (INF) files. Adversaries may abuse CMSTP to proxy the
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execution of malicious code by supplying INF files that contain malicious commands.
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"""
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from = "now-119m"
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interval = "60m"
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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 Defense Evasion via CMSTP.exe"
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references = [
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"https://attack.mitre.org/techniques/T1218/003/",
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]
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risk_score = 21
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rule_id = "bd3d058d-5405-4cee-b890-337f09366ba2"
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severity = "low"
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tags = ["Domain: Endpoint", "OS: Windows", "Use Case: Threat Detection", "Tactic: Defense Evasion", "Data Source: Elastic Defend", "Rule Type: BBR"]
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timestamp_override = "event.ingested"
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building_block_type = "default"
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type = "eql"
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query = '''
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process where host.os.type == "windows" and event.type == "start" and
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process.name : "cmstp.exe" and process.args == "/s"
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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 = "T1218"
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name = "System Binary Proxy Execution"
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reference = "https://attack.mitre.org/techniques/T1218/"
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[[rule.threat.technique.subtechnique]]
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id = "T1218.003"
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name = "CMSTP"
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reference = "https://attack.mitre.org/techniques/T1218/003/"
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[rule.threat.tactic]
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id = "TA0005"
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name = "Defense Evasion"
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reference = "https://attack.mitre.org/tactics/TA0005/"
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