RU2012156443A - Система и способ обнаружения угроз в коде, исполняемом виртуальной машиной - Google Patents

Система и способ обнаружения угроз в коде, исполняемом виртуальной машиной Download PDF

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RU2012156443A
RU2012156443A RU2012156443/08A RU2012156443A RU2012156443A RU 2012156443 A RU2012156443 A RU 2012156443A RU 2012156443/08 A RU2012156443/08 A RU 2012156443/08A RU 2012156443 A RU2012156443 A RU 2012156443A RU 2012156443 A RU2012156443 A RU 2012156443A
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virtual machine
exception
code
context
information
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RU2012156443/08A
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RU2522019C1 (ru
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Михаил Александрович Павлющик
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Закрытое акционерное общество "Лаборатория Касперского"
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Priority to RU2012156443/08A priority Critical patent/RU2522019C1/ru
Priority to US13/767,391 priority patent/US8713631B1/en
Priority to FR1354230A priority patent/FR3000249B3/fr
Priority to DE201320102179 priority patent/DE202013102179U1/de
Priority to CN201310642107.1A priority patent/CN103593608B/zh
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    • G—PHYSICS
    • G06—COMPUTING; CALCULATING OR COUNTING
    • G06F—ELECTRIC DIGITAL DATA PROCESSING
    • 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
    • G06F21/55—Detecting local intrusion or implementing counter-measures
    • G06F21/56—Computer malware detection or handling, e.g. anti-virus arrangements
    • G06F21/566—Dynamic detection, i.e. detection performed at run-time, e.g. emulation, suspicious activities

Abstract

1. Способ обнаружения угроз в коде, исполняемом виртуальной машиной, в котором:а) модифицируют код виртуальной машины для:- отслеживания исключений внутри виртуальной машины;- управления виртуальной машиной;б) отслеживают исключения внутри виртуальной машины;в) останавливают виртуальную машину, при наступлении исключения;г) получают информацию о контексте исключения, содержащего данные о событиях виртуальной машины, приведших к этому исключению;д) анализируют контекст исключения на наличие поведения характерного для угрозы;е) обнаруживают угрозу на основании анализа;2. Способ по п.1, в котором к исключениям внутри виртуальной машины относятся критические события, которые могут вызвать нарушение правил, установленных политикой безопасности3. Способ по п.1, в котором модификацию кода используют для сбора статистической информации о выявленных угрозах.4. Способ по п.1, в котором модификация кода виртуальной машины осуществляется путем перегрузки методов класса.5. Система обнаружения угроз в коде, исполняемом виртуальной машиной, содержит:а) виртуальную машину, модифицированную модулем контроля, предназначенную для исполнения анализируемого кода;б) модуль контроля, предназначенный для:- модификации кода виртуальной машины;- отслеживания исключений в виртуальной машине;- сбора информации о контексте исключения;- отправки информации о контексте исключения модулю анализа;- остановки работы виртуальной машины по указанию модуля анализа;в) модуль анализа, предназначенный для:- анализа информации о контексте исключения, полученной от модуля контроля на наличие угрозы;- обнаружения угроза по результатам анализа;6.

Claims (9)

1. Способ обнаружения угроз в коде, исполняемом виртуальной машиной, в котором:
а) модифицируют код виртуальной машины для:
- отслеживания исключений внутри виртуальной машины;
- управления виртуальной машиной;
б) отслеживают исключения внутри виртуальной машины;
в) останавливают виртуальную машину, при наступлении исключения;
г) получают информацию о контексте исключения, содержащего данные о событиях виртуальной машины, приведших к этому исключению;
д) анализируют контекст исключения на наличие поведения характерного для угрозы;
е) обнаруживают угрозу на основании анализа;
2. Способ по п.1, в котором к исключениям внутри виртуальной машины относятся критические события, которые могут вызвать нарушение правил, установленных политикой безопасности
3. Способ по п.1, в котором модификацию кода используют для сбора статистической информации о выявленных угрозах.
4. Способ по п.1, в котором модификация кода виртуальной машины осуществляется путем перегрузки методов класса.
5. Система обнаружения угроз в коде, исполняемом виртуальной машиной, содержит:
а) виртуальную машину, модифицированную модулем контроля, предназначенную для исполнения анализируемого кода;
б) модуль контроля, предназначенный для:
- модификации кода виртуальной машины;
- отслеживания исключений в виртуальной машине;
- сбора информации о контексте исключения;
- отправки информации о контексте исключения модулю анализа;
- остановки работы виртуальной машины по указанию модуля анализа;
в) модуль анализа, предназначенный для:
- анализа информации о контексте исключения, полученной от модуля контроля на наличие угрозы;
- обнаружения угроза по результатам анализа;
6. Система по п.5, в которой модуль контроля дополнительно используется для сбора статистической информации о выявленных угрозах.
7. Система по п.6, в которой наполнение баз осуществляется на основании собранной статистической информации о выявленных угрозах.
8. Система по п.5, в которой анализ информации о контексте исключения осуществляется путем сравнения информации о контексте с внешней обновляемой базой шаблонов;
9. Система по п.5, в которой модификация виртуальной машины осуществляется путем перегрузки методов класса.
RU2012156443/08A 2012-12-25 2012-12-25 Система и способ обнаружения угроз в коде, исполняемом виртуальной машиной RU2522019C1 (ru)

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Application Number Priority Date Filing Date Title
RU2012156443/08A RU2522019C1 (ru) 2012-12-25 2012-12-25 Система и способ обнаружения угроз в коде, исполняемом виртуальной машиной
US13/767,391 US8713631B1 (en) 2012-12-25 2013-02-14 System and method for detecting malicious code executed by virtual machine
FR1354230A FR3000249B3 (fr) 2012-12-25 2013-05-10 Systeme et procede de detection d'un code malveillant execute par une machine virtuelle
DE201320102179 DE202013102179U1 (de) 2012-12-25 2013-05-17 System zu detektieren von durch eine virtuelle Maschine ausgeführtem Schadcode
CN201310642107.1A CN103593608B (zh) 2012-12-25 2013-12-03 用于检测由虚拟机所执行的恶意代码的系统和方法

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RU2522019C1 RU2522019C1 (ru) 2014-07-10

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CN (1) CN103593608B (ru)
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