KR20090052596A - 악성프로그램 탐지장치 및 그 방법 - Google Patents
악성프로그램 탐지장치 및 그 방법 Download PDFInfo
- Publication number
- KR20090052596A KR20090052596A KR1020070119190A KR20070119190A KR20090052596A KR 20090052596 A KR20090052596 A KR 20090052596A KR 1020070119190 A KR1020070119190 A KR 1020070119190A KR 20070119190 A KR20070119190 A KR 20070119190A KR 20090052596 A KR20090052596 A KR 20090052596A
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- South Korea
- Prior art keywords
- file
- header
- malicious program
- executable
- malicious
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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
- G06F21/562—Static detection
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- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/30—Monitoring
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
-
- G—PHYSICS
- G06—COMPUTING; CALCULATING OR COUNTING
- G06F—ELECTRIC DIGITAL DATA PROCESSING
- G06F11/00—Error detection; Error correction; Monitoring
- G06F11/07—Responding to the occurrence of a fault, e.g. fault tolerance
- G06F11/08—Error detection or correction by redundancy in data representation, e.g. by using checking codes
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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
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- Computer Security & Cryptography (AREA)
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- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
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- Stored Programmes (AREA)
- Information Retrieval, Db Structures And Fs Structures Therefor (AREA)
- Storage Device Security (AREA)
Abstract
Description
정의 | 값 | 의미 |
IMAGE_FILE_MACHINE_I386 | 0x014c | Intel 386 CPU (32bit) |
IMAGE_FILE_MACHINE_IA64 | 0x0200 | Intel 386 CPU (64bit) |
IMAGE_FILE_MACHINE_AMD64 | 0x8664 | AMD64(K8) CPU |
Headers | Field Name | 특성 |
IMAGE_SECTION_HEADER | Characteristics | 해당 섹션의 특징 표현 |
IMAGE_SECTION_HEADER | SizeOfRawData | 해당 섹션의 크기 |
IMAGE_SECTION_HEADER | Name | 해당 섹션 명 |
IMAGE_DOS_HEADER | e_lfanew | PE 시그니처의 위치 |
Claims (14)
- 입력되는 파일의 헤더를 분석하여, 상기 파일의 실행파일 여부를 판단하는 단계;상기 파일이 실행파일인 경우, 상기 파일의 헤더를 분석하여, 기 설정된 조건에 따라 상기 파일의 악성프로그램 여부를 판단하는 단계; 및,상기 파일이 악성프로그램인 경우 악성프로그램에 대한 안내를 출력하는 단계를 포함하는 것을 특징으로 하는 악성프로그램 탐지 방법.
- 제 1 항에 있어서,상기 실행파일 판단 단계는 상기 파일의 헤더가 제1 시그니처(Signature)로 시작되는지 판단하는 단계를 더 포함하는 것을 특징으로 하는 악성프로그램 탐지 방법.
- 제 2 항에 있어서,상기 실행파일 판단단계는 상기 파일의 헤더가 제1 시그니처(Signature)로 시작되는 경우, 상기 파일의 제2 시그니처(Signature)가 지정된 위치에 위치되는지 판단하여, 지정된 위치에 존재하는 경우 상기 파일이 실행파일인 것으로 판단하는 단계를 더 포함하는 것을 특징으로 하는 악성프로그램 탐지 방법.
- 제 1 항에 있어서,상기 악성프로그램 판단단계는 실행가능 속성과 쓰기 속성을 모두 포함하는 섹션이 존재하는지 여부를 판단하고, 판단결과에 따라 악성프로그램 여부에 대한 최종판단 단계를 수행하는 것을 특징으로 하는 악성프로그램 탐지 방법.
- 제 1 항에 있어서,상기 악성프로그램 판단단계는 실행가능 속성과 코드속성 중 어느 하나만 포함하는 섹션이 존재하는지 여부를 판단하고, 판단결과에 따라 악성프로그램 여부에 대한 최종판단 단계를 수행하는 것을 특징으로 하는 악성프로그램 탐지 방법.
- 제 1 항에 있어서,상기 악성프로그램 판단단계는 실행 가능한 섹션이 존재하지 않는 지 여부를 판단하고, 판단결과에 따라 악성프로그램 여부에 대한 최종판단 단계를 수행하는 것을 특징으로 하는 악성프로그램 탐지 방법.
- 제 1 항에 있어서,상기 악성프로그램 판단단계는 인쇄될 수 없는 값을 포함하는 섹션이 존재하는 지 여부를 판단하고, 판단결과에 따라 악성프로그램 여부에 대한 최종판단 단계를 수행하는 것을 특징으로 하는 악성프로그램 탐지 방법.
- 제 1 항에 있어서,상기 악성프로그램 판단단계는 상기 파일에 포함되는 섹션의 크기의 총합이 전체 파일의 크기보다 큰 지 여부를 판단하고, 판단결과에 따라 악성프로그램 여부에 대한 최종판단 단계를 수행하는 것을 특징으로 하는 악성프로그램 탐지 방법.
- 제 1 항에 있어서,상기 악성프로그램 판단단계는 상기 파일에 포함되는 복수의 헤더 중, 제1 헤더의 끝 및 제2 헤더의 시작을 지시하는 값이 제1헤더의 크기보다 작은 지 여부를 판단하고, 판단결과에 따라 악성프로그램 여부에 대한 최종판단 단계를 수행하는 것을 특징으로 하는 악성프로그램 탐지 방법.
- 제 1 항에 있어서,상기 악성프로그램 판단단계는 제2 시그니처(Signature)의 위치를 지정하는 값이 기 설정된 기준값보다 큰 지 여부를 판단하고, 판단결과에 따라 악성프로그램 여부에 대한 최종판단 단계를 수행하는 것을 특징으로 하는 악성프로그램 탐지 방법.
- 제 4 항 내지 제 10항 중 어느 한 항에 있어서,상기 최종판단 단계는 상기 판단결과 기 설정된 조건을 만족하는 경우 각 조건에 대한 가중치를 종합하여 상기 파일이 악성프로그램인 것으로 판단하는 것을 특징으로 하는 악성프로그램 탐지 방법.
- 입력된 파일의 헤더를 추출하는 헤더추출부;상기 파일의 실행파일 여부를 판단하는 파일판단부;상기 파일판단부의 판단결과에 따라 상기 추출된 상기 파일의 헤더를 분석하여 상기 파일의 악성프로그램 가능성을 판단하는 헤더분석부; 및,상기 헤더분석부의 판단결과를 종합하여 최종적으로 상기 파일의 악성프로그램여부를 판단하고 출력하는 악성프로그램 판단부를 포함하는 것을 특징으로 하는 악성프로그램 탐지 장치.
- 제 12 항에 있어서,상기 파일판단부는 상기 파일의 헤더가 제1 시그니처(Signature)로 시작되고, 상기 파일의 제2 시그니처(Signature)가 지정된 위치에 존재하는지 여부를 판단하여, 상기 파일이 PE포맷의 실행파일인 것으로 판단하는 것을 특징으로 하는 악성프로그램 탐지 장치.
- 제 12 항에 있어서,상기 헤더분석부는 상기 파일의 헤더에, 실행가능 속성과 쓰기 속성을 모두 포함하는 섹션이 존재하는 경우,실행가능 속성과 코드속성 중 어느 하나만 포함하는 섹션이 존재하는 경우,실행 가능한 섹션이 존재하지 않는 경우,인쇄될 수 없는 값을 포함하는 섹션이 존재하는 경우,상기 파일에 포함되는 섹션의 크기의 총합이 전체 파일의 크기보다 큰 경우상기 제1 헤더의 끝 및 제2 헤더의 시작을 지시하는 값이 제1헤더의 크기보다 작은 경우, 및상기 제1 헤더의 제1 필드값이 정해진 기준값보다 큰 경우 중 적어도 어느 하나를 만족하는 경우, 상기 파일의 악성프로그램 여부를 판단하는 것을 특징으로 하는 악성프로그램 탐지 장치.
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KR1020070119190A KR100942795B1 (ko) | 2007-11-21 | 2007-11-21 | 악성프로그램 탐지장치 및 그 방법 |
US12/209,249 US20090133125A1 (en) | 2007-11-21 | 2008-09-12 | Method and apparatus for malware detection |
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KR101064940B1 (ko) * | 2009-04-22 | 2011-09-15 | 주식회사 안철수연구소 | 악성 코드 재검사 방지 정보의 장시간 운용 방법, 장치 및 그 방법을 실행하는 프로그램이 기록된 컴퓨터로 읽을 수 있는 기록매체 |
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KR101064940B1 (ko) * | 2009-04-22 | 2011-09-15 | 주식회사 안철수연구소 | 악성 코드 재검사 방지 정보의 장시간 운용 방법, 장치 및 그 방법을 실행하는 프로그램이 기록된 컴퓨터로 읽을 수 있는 기록매체 |
KR101288833B1 (ko) * | 2012-02-01 | 2013-08-23 | 주식회사 인프라웨어테크놀러지 | 오피스문서를 통한 악성 프로그램 유포 차단 방법 및 이를 위한 컴퓨터로 판독가능한 기록매체 |
KR101390475B1 (ko) * | 2013-02-05 | 2014-04-29 | 주식회사 윈스 | 네트워크 기반의 악성코드 탐지 시스템 및 탐지 방법 |
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US20090133125A1 (en) | 2009-05-21 |
KR100942795B1 (ko) | 2010-02-18 |
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