Justin Ibarra
6bdfddac8e
* Expand timestamp_override tests * removed timestamp_override from eql sequence rules * add config entry for eql rules with beats index and t_o * add timestamp_override to missing fields
59 lines
2.1 KiB
TOML
59 lines
2.1 KiB
TOML
[metadata]
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creation_date = "2021/12/04"
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maturity = "production"
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updated_date = "2022/03/31"
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[rule]
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author = ["Elastic"]
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description = """
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An adversary can use the Background Intelligent Transfer Service (BITS) SetNotifyCmdLine method to execute a program
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that runs after a job finishes transferring data or after a job enters a specified state in order to persist on a
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system.
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"""
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from = "now-9m"
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index = ["logs-endpoint.events.*", "winlogbeat-*", "logs-windows.*"]
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language = "eql"
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license = "Elastic License v2"
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name = "Persistence via BITS Job Notify Cmdline"
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note = """## Config
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If enabling an EQL rule on a non-elastic-agent index (such as beats) for versions <8.2, events will not define `event.ingested` and default fallback for EQL rules was not added until 8.2, so you will need to add a custom pipeline to populate `event.ingested` to @timestamp for this rule to work.
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"""
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references = [
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"https://pentestlab.blog/2019/10/30/persistence-bits-jobs/",
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"https://docs.microsoft.com/en-us/windows/win32/api/bits1_5/nf-bits1_5-ibackgroundcopyjob2-setnotifycmdline",
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"https://docs.microsoft.com/en-us/windows-server/administration/windows-commands/bitsadmin-setnotifycmdline",
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"https://www.elastic.co/blog/hunting-for-persistence-using-elastic-security-part-2",
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]
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risk_score = 47
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rule_id = "c3b915e0-22f3-4bf7-991d-b643513c722f"
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severity = "medium"
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tags = ["Elastic", "Host", "Windows", "Threat Detection", "Persistence"]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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process where event.type == "start" and
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process.parent.name : "svchost.exe" and process.parent.args : "BITS" and
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not process.executable :
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("?:\\Windows\\System32\\WerFaultSecure.exe",
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"?:\\Windows\\System32\\WerFault.exe",
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"?:\\Windows\\System32\\wermgr.exe",
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"?:\\WINDOWS\\system32\\directxdatabaseupdater.exe")
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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 = "T1197"
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name = "BITS Jobs"
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reference = "https://attack.mitre.org/techniques/T1197/"
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[rule.threat.tactic]
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id = "TA0003"
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name = "Persistence"
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reference = "https://attack.mitre.org/tactics/TA0003/"
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