Jonhnathan
79 lines
2.2 KiB
TOML
79 lines
2.2 KiB
TOML
[metadata]
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creation_date = "2024/08/29"
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integration = ["endpoint", "windows"]
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maturity = "production"
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updated_date = "2024/10/15"
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min_stack_version = "8.14.0"
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min_stack_comments = "Breaking change at 8.14.0 for the Windows Integration."
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[rule]
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author = ["Elastic"]
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description = """
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Identifies the load of a remote library by the WPS Office promecefpluginhost.exe executable. This may indicate the successful
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exploitation of CVE-2024-7262 or CVE-2024-7263 via DLL hijack abusing the ksoqing custom protocol handler.
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"""
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from = "now-9m"
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index = [ "logs-endpoint.events.library-*", "logs-windows.sysmon_operational-*"]
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language = "eql"
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license = "Elastic License v2"
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name = "WPS Office Exploitation via DLL Hijack"
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references = [
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"https://www.welivesecurity.com/en/eset-research/analysis-of-two-arbitrary-code-execution-vulnerabilities-affecting-wps-office/",
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"https://mp.weixin.qq.com/s/F8hNyESBdKhwXkQPgtGpew"
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]
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risk_score = 73
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rule_id = "ac6bc744-e82b-41ad-b58d-90654fa4ebfb"
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severity = "high"
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tags = [
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"Domain: Endpoint",
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"OS: Windows",
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"Use Case: Threat Detection",
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"Tactic: Initial Access",
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"Tactic: Execution",
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"Data Source: Elastic Defend",
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"Data Source: Sysmon"
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]
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timestamp_override = "event.ingested"
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type = "eql"
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query = '''
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any where host.os.type == "windows" and process.name : "promecefpluginhost.exe" and
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(
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(event.category == "library" and
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?dll.path :
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("?:\\Users\\*\\AppData\\Local\\Temp\\wps\\INetCache\\*",
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"\\Device\\Mup\\**", "\\\\*")) or
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((event.category == "process" and event.action : "Image loaded*") and
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?file.path :
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("?:\\Users\\*\\AppData\\Local\\Temp\\wps\\INetCache\\*",
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"\\Device\\Mup\\**", "\\\\*"))
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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 = "T1203"
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name = "Exploitation for Client Execution"
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reference = "https://attack.mitre.org/techniques/T1203/"
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[rule.threat.tactic]
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id = "TA0002"
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name = "Execution"
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reference = "https://attack.mitre.org/tactics/TA0002/"
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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 = "T1189"
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name = "Drive-by Compromise"
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reference = "https://attack.mitre.org/techniques/T1189/"
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[rule.threat.tactic]
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id = "TA0001"
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name = "Initial Access"
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reference = "https://attack.mitre.org/tactics/TA0001/"
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