JP2011523748A - 中央集中的にマルウェアを検出するための知的ハッシュ - Google Patents
中央集中的にマルウェアを検出するための知的ハッシュ Download PDFInfo
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- ZXQYGBMAQZUVMI-GCMPRSNUSA-N gamma-cyhalothrin Chemical compound CC1(C)[C@@H](\C=C(/Cl)C(F)(F)F)[C@H]1C(=O)O[C@H](C#N)C1=CC=CC(OC=2C=CC=CC=2)=C1 ZXQYGBMAQZUVMI-GCMPRSNUSA-N 0.000 description 1
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- G06F21/00—Security arrangements for protecting computers, components thereof, programs or data against unauthorised activity
- G06F21/50—Monitoring users, programs or devices to maintain the integrity of platforms, e.g. of processors, firmware or operating systems
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Abstract
Description
42323|1-PECOMPACT-w|123423|32233|I=017253 B=297 M=31 X=1953 |A=1925 C=1154 D=51 G=2221 J=2246 L=789 M=3917 P=4180 R=44 S=125 T=780
V=5 PPPPP=171 LPPPM=111 PPPPG=110 MMMMM=91 PPPMP=88 PAAPA=73 APAAP=71
PPGCJ=69 JCJCJ=68 CJCJC=63 |4233|ntoskrnl.ex ntoskrnl.exe
V2.3.9.0.Demo.CracKed.By is4q.1ih|user32.dll drv\objfre\i386\driver.pdb objfre\i386\driver.sys kernel32.dll ntdll.dll ws2_32.dll advapi32.dl
等の英数字文字列として知的ハッシュを表す。
Claims (20)
- エンティティの知的ハッシュを生成する方法であって、
前記エンティティに基づいてメタ言語命令シーケンスを生成するステップと、
前記メタ言語命令シーケンスのサブシーケンスのセットを識別するステップと、
少なくとも部分的に前記識別されたサブシーケンスのセットに基づいて、前記エンティティの前記知的ハッシュを生成するステップと、
前記知的ハッシュを記憶装置に記憶するステップと
を含む、方法。 - 前記メタ言語命令シーケンスに基づいて、メタ言語命令のサブシーケンスのセットを識別するステップは、
複数のサブシーケンスの複数の頻度値を特定するステップであって、ここで頻度値は、関連付けられたサブシーケンスが前記メタ言語命令シーケンス内で発生する頻度を示すステップと、
少なくとも部分的に前記複数の頻度値に基づいて、前記複数のサブシーケンスから前記サブシーケンスのセットを選択するステップであって、ここで前記選択されるサブシーケンスの前記頻度値は、前記サブシーケンスが前記メタ言語命令シーケンス内で高頻度で発生することを示すステップと
をさらに含む、請求項1に記載の方法。 - 前記エンティティの知的ハッシュを生成するステップは、
前記エンティティの圧縮に使用された技法を識別するステップと、
前記エンティティの圧縮に使用された前記技法を記述する情報を定義するステップと、
少なくとも部分的に前記識別された技法を記述する情報に基づいて、前記エンティティの前記知的ハッシュを生成するステップと
をさらに含む、請求項1に記載の方法。 - 前記エンティティの知的ハッシュを生成するステップは、
前記エンティティに基づいて固有の文字列のセットを識別するステップと、
前記固有の文字列のセットを記述する情報を定義するステップと、
少なくとも部分的に前記固有の文字列のセットを記述する情報に基づいて、前記エンティティの前記知的ハッシュを生成するステップと
をさらに含む、請求項1に記載の方法。 - 前記エンティティに基づいて前記固有の文字列のセットを識別するステップは、前記エンティティとコンピュータシステムとの通信を示す文字列のセットを識別するステップを含む、請求項4に記載の方法。
- 前記エンティティに基づいて前記固有の文字列のセットを識別するステップは、ネットワークを通して前記エンティティにより行われた通信を示す文字列のセットを識別するステップを含む、請求項4に記載の方法。
- 疑いのあるエンティティがマルウェアエンティティに該当するか否かを判断するコンピュータシステムであって、
クライアントが直面した疑いのあるエンティティに基づいて生成された知的ハッシュを受信するように適合された報告モジュールであって、前記知的ハッシュは、前記疑いのあるエンティティに特有のメタデータセットを含み、前記メタデータの少なくともいくつかは、前記疑いのあるエンティティが変更されても不変である、報告モジュールと、
前記知的ハッシュに基づいて、前記疑いのあるエンティティが前記マルウェアエンティティに該当するか否かを判断するように構成された評価モジュールと
を備え、
前記報告モジュールは、前記疑いのあるエンティティハッシュが前記マルウェアエンティティに該当するか否かを前記クライアントに報告するようにさらに構成される、コンピュータシステム。 - 複数の知的ハッシュを記憶するように構成された知的ハッシュデータベースをさらに備え、
前記評価モジュールは、
前記疑いのあるエンティティに基づいて生成された前記知的ハッシュおよび前記複数の知的ハッシュに基づいて、複数の類似性スコアを生成し、ここで類似性スコアは、前記疑いのあるエンティティに基づいて生成された前記知的ハッシュと前記複数の知的ハッシュのうちの1つの知的ハッシュとの類似性を示し、そして
前記複数の類似性スコアのうちの最高類似性スコアに関連付けられた知的ハッシュに基づいて、前記疑いのあるエンティティハッシュが前記マルウェアエンティティに該当するか否かを判断する
ようにさらに構成される、請求項7に記載のコンピュータシステム。 - 悪意のあるエンティティに基づいて、前記知的ハッシュを生成するように構成された知的ハッシュ生成モジュールをさらに備える、請求項7に記載のコンピュータシステム。
- 前記知的ハッシュ生成モジュールは、
前記悪意のあるエンティティに基づいて、メタ言語命令シーケンスを生成し、
前記メタ言語命令シーケンスのサブシーケンスのセットを識別し、そして
少なくとも部分的に前記識別されたサブシーケンスのセットに基づいて、前記悪意のあるエンティティの前記知的ハッシュを生成する
ようにさらに構成される、請求項9に記載のコンピュータシステム。 - 前記知的ハッシュ生成モジュールは、
複数のサブシーケンスの複数の頻度値を特定し、ここで頻度値は、関連付けられたサブシーケンスが前記メタ言語命令シーケンス内で発生する頻度を示し、そして
少なくとも部分的に前記複数の頻度値に基づいて、前記複数のサブシーケンスから前記サブシーケンスのセットを選択し、ここで前記選択されるサブシーケンスの前記頻度値は、前記サブシーケンスが前記メタ言語命令シーケンス内で高頻度で発生することを示す
ようにさらに構成される、請求項10に記載のコンピュータシステム。 - 前記知的ハッシュ生成モジュールは、
前記悪意のあるエンティティの圧縮に使用された技法を識別し、
前記悪意のあるエンティティの圧縮に使用された前記技法を記述する情報を定義し、そして
少なくとも部分的に前記識別された技法を記述する情報に基づいて、前記悪意のあるエンティティの前記知的ハッシュを生成する
ようにさらに構成される、請求項9に記載のコンピュータシステム。 - 前記知的ハッシュ生成モジュールは、
前記悪意のあるエンティティに基づいて固有の文字列のセットを識別し、
前記固有の文字列のセットを記述する情報を定義し、そして
少なくとも部分的に前記固有の文字列のセットを記述する情報に基づいて、前記悪意のあるエンティティの前記知的ハッシュを生成する
ようにさらに構成される、請求項9に記載のコンピュータシステム。 - 疑いのあるエンティティがマルウェアエンティティに該当するか否かを判断するコンピュータプログラムコードが符号化されたコンピュータ可読記憶媒体であって、前記プログラムコードは、
疑いのあるエンティティを識別するプログラムコードと、
前記疑いのあるエンティティの知的ハッシュを生成するプログラムコードであって、ここで前記知的ハッシュは、前記疑いのあるエンティティに特有のメタデータセットを含み、前記メタデータの少なくともいくつかは、前記疑いのあるエンティティが変更されても不変であるプログラムコードと、
前記知的ハッシュをサーバに送信して、前記疑いのあるエンティティがマルウェアエンティティに該当するか否かを評価するプログラムコードと、
前記疑いのあるエンティティがマルウェアエンティティに該当するか否かを特定した結果を前記サーバから受信するプログラムコードと
を含む、コンピュータ可読記憶媒体。 - 前記疑いのあるエンティティの前記知的ハッシュを生成するプログラムコードは、
前記疑いのあるエンティティに基づいて、メタ言語命令シーケンスを生成するプログラムコードと、
前記メタ言語命令シーケンスのサブシーケンスのセットを識別するプログラムコードと、
少なくとも部分的に前記識別されたサブシーケンスのセットに基づいて、前記疑いのあるエンティティの前記知的ハッシュを生成するプログラムコードと
を含む、請求項14に記載のコンピュータ可読記憶媒体。 - 前記疑いのあるエンティティに基づいてメタ言語命令シーケンスを生成するプログラムコードと、
前記メタ言語命令シーケンスの前記サブシーケンスのセットを識別するプログラムコードと
をさらに含む、
請求項14に記載のコンピュータ可読記憶媒体。 - 複数のサブシーケンスの複数の頻度値を特定するプログラムコードであって、ここで頻度値は、関連付けられたサブシーケンスが前記メタ言語命令シーケンス内で発生する頻度を示すプログラムコードと、
少なくとも部分的に前記複数の頻度値に基づいて、前記複数のサブシーケンスから前記サブシーケンスのセットを選択するプログラムコードであって、ここで前記選択されるサブシーケンスの前記頻度値は、前記サブシーケンスが前記メタ言語命令シーケンス内で高頻度で発生することを示すプログラムコードと
をさらに含む、請求項16に記載のコンピュータ可読記憶媒体。 - 前記疑いのあるエンティティの知的ハッシュを生成するプログラムコードは、
前記疑いのあるエンティティの圧縮に使用されたアルゴリズムを識別するプログラムコードと、
少なくとも部分的に前記アルゴリズムを示す情報に基づいて、前記疑いのあるエンティティの前記知的ハッシュを生成するプログラムコードと
をさらに含む、請求項14に記載のコンピュータ可読記憶媒体。 - 前記疑いのあるエンティティの知的ハッシュを生成するプログラムコードは、
前記疑いのあるエンティティに基づいて固有の文字列のセットを識別するプログラムコードと、
少なくとも部分的に前記固有の文字列のセットを示す情報に基づいて、前記疑いのあるエンティティの前記知的ハッシュを生成するプログラムコードと
をさらに含む、請求項14に記載のコンピュータ可読記憶媒体。 - 前記疑いのあるエンティティが前記マルウェアエンティティに該当することを特定する結果を受信したことに応答して、クライアントを修復するプログラムコードをさらに含む、請求項14に記載のコンピュータ可読記憶媒体。
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US12/128,490 US8732825B2 (en) | 2008-05-28 | 2008-05-28 | Intelligent hashes for centralized malware detection |
US12/128,490 | 2008-05-28 | ||
PCT/US2009/045319 WO2009154992A2 (en) | 2008-05-28 | 2009-05-27 | Intelligent hashes for centralized malware detection |
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EP (1) | EP2310974B1 (ja) |
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CN102047260B (zh) | 2015-08-05 |
CN102047260A (zh) | 2011-05-04 |
WO2009154992A3 (en) | 2010-02-11 |
EP2310974A2 (en) | 2011-04-20 |
EP2310974B1 (en) | 2017-03-01 |
US20090300761A1 (en) | 2009-12-03 |
WO2009154992A2 (en) | 2009-12-23 |
US8732825B2 (en) | 2014-05-20 |
JP5511097B2 (ja) | 2014-06-04 |
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