JP7302019B2 - システムレベルセキュリティのための階層的挙動行動のモデル化および検出システムおよび方法 - Google Patents
システムレベルセキュリティのための階層的挙動行動のモデル化および検出システムおよび方法 Download PDFInfo
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- H—ELECTRICITY
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- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L63/00—Network architectures or network communication protocols for network security
- H04L63/14—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic
- H04L63/1408—Network architectures or network communication protocols for network security for detecting or protecting against malicious traffic by monitoring network traffic
- H04L63/1425—Traffic logging, e.g. anomaly detection
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- H04L63/1416—Event detection, e.g. attack signature detection
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- H04L63/1433—Vulnerability analysis
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- H04L63/00—Network architectures or network communication protocols for network security
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- H04L63/1441—Countermeasures against malicious traffic
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Description
2019年5月7日に出願された米国特許出願第16/405,788号は、その全体が記載されるように参照により本明細書に組み込まれる。
Claims (18)
- セキュリティ脅威または悪意のある行為を検出するシステムであって、
1つまたは複数のプロセッサと、前記1つまたは複数のプロセッサによって実行されたときに、1つまたは複数の構成要素を実行する複数の命令が格納された少なくとも1つのメモリと、を備え、
前記1つまたは複数の構成要素は、
1つまたは複数のデータ生成部からデータを受信し、
前記データを挙動プロセッサに送信し、
前記挙動プロセッサを使用して、前記データに含まれるデータ、特徴、および/または特性に基づいて、前記データから1つまたは複数の挙動を特定し、
前記1つまたは複数の特定された挙動を戦術プロセッサに提供し、
少なくとも1つの前記戦術プロセッサを使用して、前記1つまたは複数の特定された挙動が戦術データ記憶装置に記憶された1つまたは複数の戦術に関連するという決定、及び前記挙動のいくつかの特定された属性に基づいて適用された影響に基づいて、1つまたは複数の戦術を特定し、
前記1つまたは複数の特定された戦術を戦術分類器に送信し、
前記戦術分類器を使用して、前記1つまたは複数の特定された戦術が1つまたは複数のセキュリティ脅威または悪意のある行為を示すかどうかを判定し、
前記1つまたは複数の特定された戦術の悪意が特定できないことを示す決定に応じて、二次レビューからの応答に基づいて、前記1つまたは複数の特定された戦術の悪意を決定する、ように構成され、
前記特定された属性に基づいて適用された影響は、前記1つまたは複数の特定された戦術に適用可能な特定された属性ごとに変化可能であり、前記影響は、特定の戦術特定の信頼値を決定するために使用され、前記戦術は、選択された関係に従って順序付けられた複数の既知の挙動を含む
システム。 - 前記1つまたは複数の構成要素は、前記1つまたは複数の特定された戦術が1つまたは複数のセキュリティ脅威または悪意のある行為を示すと判定された場合に、セキュリティ脅威または悪意のある行為をユーザに通知するアラートまたはアラームを生成するようにさらに構成される、請求項1に記載のシステム。
- 前記受信したデータは、システムログ、ユーザメタデータ、インフラストラクチャデータ、またはそれらの組み合わせを含む、請求項1に記載のシステム。
- 前記1つまたは複数の挙動を特定するために、前記挙動プロセッサは、前記データに含まれる前記1つまたは複数のデータ、特徴、または特性を、挙動データ記憶装置に記憶された既知の挙動に対してマッピングするように構成される、請求項1に記載のシステム。
- 前記1つまたは複数の戦術を特定するために、前記少なくとも1つの戦術プロセッサは、前記1つまたは複数の特定された挙動を、戦術データ記憶装置に記憶された既知の戦術に対してマッピングするように構成される、請求項1に記載のシステム。
- 前記1つまたは複数の構成要素は、前記挙動プロセッサを使用して、
前記1つまたは複数のデータ、特徴、または特性、
前記1つまたは複数の特定された挙動、または、
それらの組み合わせ、
に基づいて、1つまたは複数の追加の挙動を特定するようにさらに構成される、請求項1に記載のシステム。 - 前記1つまたは複数の構成要素は、前記挙動プロセッサを使用して、前記1つまたは複数の特定された戦術に基づいて、1つまたは複数の追加の挙動を抽出または特定するようにさらに構成される、請求項1に記載のシステム。
- 前記1つまたは複数の構成要素は、前記少なくとも1つの戦術プロセッサを使用して、
前記1つまたは複数の特定された挙動、
前記1つまたは複数の特定された戦術、または、
それらの組み合わせ、
に基づいて、1つまたは複数の追加の戦術を特定するようにさらに構成される、請求項1に記載のシステム。 - 前記戦術分類器は、統計モデルまたは機械学習モデルを含む、請求項1に記載のシステム。
- 1つまたは複数のセキュリティ脅威または悪意のある行為を検出する方法であって、
挙動プロセッサによって、1つまたは複数のデータ生成部からのデータを受信すること、
前記挙動プロセッサによって、前記データに含まれるデータ、特徴、または特性に基づいて、前記データから1つまたは複数の挙動を特定すること、
前記1つまたは複数の特定された挙動を戦術プロセッサに提供すること、
前記戦術プロセッサによって、前記1つまたは複数の特定された挙動が戦術データ記憶装置に記憶された1つまたは複数の戦術に関連するという決定に基づいて、1つまたは複数の戦術を特定すること、
前記戦術プロセッサによって、1つまたは複数の特定された戦術と1つまたは複数の特定された挙動との組み合わせに基づいて、複合戦術を決定すること、
前記1つまたは複数の特定された戦術または前記複合戦術の内の1つまたは複数を戦術分類器に送信すること、および、
前記戦術分類器によって、前記1つまたは複数の特定された戦術及び前記戦術に関連すると判断された1つまたは複数の特定された挙動のそれぞれを含むデータ配列に基づいて、前記1つまたは複数の特定された戦術または前記複合戦術の内の1つまたは複数が前記1つまたは複数のセキュリティ脅威または悪意のある行為を示すかどうかを判定すること、を有し、
前記1つまたは複数の戦略のそれぞれは、選択された関係に従って順序付けられた複数の既知の挙動を含む
方法。 - 前記1つまたは複数の特定された戦術が1つまたは複数のセキュリティ脅威または悪意のある行為を示すと判定された場合に、前記戦術分類器によってセキュリティ脅威または悪意のある行為をユーザに通知するアラートまたはアラームを生成し、提供すること、をさらに有する請求項10に記載の方法。
- 前記1つまたは複数の挙動を特定することは、
前記挙動プロセッサによって、前記データに含まれる前記1つまたは複数のデータ、特徴、または特性を、挙動データ記憶装置に記憶された既知の挙動に対してマッピングすること、を含む請求項10に記載の方法。 - 前記1つまたは複数の戦術を特定することは、
前記戦術プロセッサによって、1つまたは複数の特定された挙動を、戦術データ記憶装置に記憶された既知の戦術に対してマッピングすること、を含む請求項10に記載の方法。 - 前記挙動プロセッサによって、
前記1つまたは複数のデータ、特徴、または特性、
前記1つまたは複数の特定された挙動、または、
それらの組み合わせ、
に基づいて、1つまたは複数の追加の挙動を特定すること、をさらに有する請求項10に記載の方法。 - 前記挙動プロセッサによって、前記1つまたは複数の特定された戦術に基づいて、1つまたは複数の追加の挙動を特定すること、をさらに有する請求項10に記載の方法。
- 前記戦術プロセッサによって、
前記1つまたは複数の特定された挙動、
前記1つまたは複数の特定された戦術、または、
それらの組み合わせ、
に基づいて、1つまたは複数の追加の戦術を特定すること、をさらに有する請求項10に記載の方法。 - 前記戦術分類器は、統計モデルまたは機械学習モデルを含む、請求項10に記載の方法。
- 前記データは、システムログ、ユーザメタデータ、インフラストラクチャデータ、またはそれらの組み合わせを含む、請求項10に記載の方法。
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US16/405,788 US11418524B2 (en) | 2019-05-07 | 2019-05-07 | Systems and methods of hierarchical behavior activity modeling and detection for systems-level security |
| US16/405,788 | 2019-05-07 | ||
| PCT/US2020/015001 WO2020226709A1 (en) | 2019-05-07 | 2020-01-24 | Systems and methods of hierarchial behavior activity modeling and detection for systems-level security |
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| JP2022533552A JP2022533552A (ja) | 2022-07-25 |
| JP7302019B2 true JP7302019B2 (ja) | 2023-07-03 |
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| US (1) | US11418524B2 (ja) |
| EP (1) | EP3966719A4 (ja) |
| JP (1) | JP7302019B2 (ja) |
| CA (1) | CA3137671A1 (ja) |
| DE (1) | DE20802788T1 (ja) |
| WO (1) | WO2020226709A1 (ja) |
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