Justin Ibarra
59da2da474
* add unit tests to ensure host type and platform are included * add host.os.name 'linux' to all linux rules * add host.os.name macos to mac rules * add host.os.name to windows rules; fix linux dates * update from host.os.name to host.os.type Co-authored-by: brokensound77 <brokensound77@users.noreply.github.com> Co-authored-by: Jonhnathan <26856693+w0rk3r@users.noreply.github.com>
70 lines
2.2 KiB
TOML
70 lines
2.2 KiB
TOML
[metadata]
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creation_date = "2021/01/19"
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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 = "2023/02/22"
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[rule]
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author = ["Elastic"]
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description = """
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Detects attempts to exploit privilege escalation vulnerabilities related to the Adobe Acrobat Reader
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PrivilegedHelperTool responsible for installing updates. For more information, refer to CVE-2020-9615, CVE-2020-9614 and
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CVE-2020-9613 and verify that the impacted system is patched.
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"""
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false_positives = ["Trusted system or Adobe Acrobat Related processes."]
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from = "now-9m"
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index = ["auditbeat-*", "logs-endpoint.events.*"]
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language = "kuery"
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license = "Elastic License v2"
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name = "Suspicious Child Process of Adobe Acrobat Reader Update Service"
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references = [
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"https://rekken.github.io/2020/05/14/Security-Flaws-in-Adobe-Acrobat-Reader-Allow-Malicious-Program-to-Gain-Root-on-macOS-Silently/",
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]
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risk_score = 73
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rule_id = "f85ce03f-d8a8-4c83-acdc-5c8cd0592be7"
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severity = "high"
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tags = [
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"Elastic",
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"Host",
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"macOS",
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"Threat Detection",
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"Privilege Escalation",
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"CVE-2020-9615",
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"CVE-2020-9614",
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"CVE-2020-9613",
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]
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timestamp_override = "event.ingested"
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type = "query"
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query = '''
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event.category:process and host.os.type:macos and event.type:(start or process_started) and
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process.parent.name:com.adobe.ARMDC.SMJobBlessHelper and
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user.name:root and
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not process.executable: (/Library/PrivilegedHelperTools/com.adobe.ARMDC.SMJobBlessHelper or
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/usr/bin/codesign or
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/private/var/folders/zz/*/T/download/ARMDCHammer or
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/usr/sbin/pkgutil or
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/usr/bin/shasum or
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/usr/bin/perl* or
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/usr/sbin/spctl or
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/usr/sbin/installer or
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/usr/bin/csrutil)
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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 = "T1068"
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name = "Exploitation for Privilege Escalation"
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reference = "https://attack.mitre.org/techniques/T1068/"
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[rule.threat.tactic]
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id = "TA0004"
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name = "Privilege Escalation"
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reference = "https://attack.mitre.org/tactics/TA0004/"
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