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[SIGMAルール] contains,startsWith,endsWith対応 #79
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まずは完全一致から
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SIGMA Ruleを読めるようにする計画が始まったので方針を変更する。 detection:
selection_cammute:
Image|endswith: '\CamMute.exe'
filter_cammute:
Image|contains:
- '\Lenovo\Communication Utility\'
- '\Lenovo\Communications Utility\'
selection_chrome_frame:
Image|endswith: '\chrome_frame_helper.exe'
filter_chrome_frame:
Image|contains: '\Google\Chrome\application\' |
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正規表現は処理に時間がかかるので、下記ルールを記述できるようにしたい。
・文字列の完全一致
・文字列の部分一致
正規表現が使えるので既存ルールでも同じことはできるが、正規表現は処理に時間がかかる。完全一致や部分一致ならもっと処理速度を速くできるので、新しくルールを書けるようにしたい。
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