바이러스 DB - 터보백신

바이러스 정보
터보백신에서 분석한 바이러스 위협 정보, 보안 통계를 확인할 수 있습니다.

이름: Backdoor-W32/IRCBot.25020

바이러스 종류: Backdoor

실행환경: Windows

증상요약: 타켓이 되는 시스템의 정보수집.

위험등급: 위험

확산방법: 네트워크, 보안취약점

치료방법: 터보백신 제품군으로 진단/치료 가능합니다.

※ 상세 설명: <?xml:namespace prefix = o ns = "urn:schemas-microsoft-com:office:office" /><o:p> </o:p> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left>*감염 경로 네트워크 공유 폴더와, 윈도우 보안패치 헛점등을 이용해서 전파및 설치된다.<o:p></o:p> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left> *증상 <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left>  <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left>-파일 생성 <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left><o:p></o:p>  <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-INDENT: 9pt; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-char-indent-count: 1.0" align=left>Backdoor 가 실행 되면 윈도우 시스템 폴더에 aguard.dll 라는 파일을 생성한다. <o:p></o:p> <TABLE class=MsoTableGrid style="BORDER-RIGHT: medium none; BORDER-TOP: medium none; MARGIN: auto auto auto 55.25pt; BORDER-LEFT: medium none; BORDER-BOTTOM: medium none; BORDER-COLLAPSE: collapse; mso-border-alt: solid windowtext .5pt; mso-yfti-tbllook: 480; mso-padding-alt: 0cm 5.4pt 0cm 5.4pt; mso-border-insideh: .5pt solid windowtext; mso-border-insidev: .5pt solid windowtext" cellSpacing=0 cellPadding=0 border=1> <TBODY> <TR style="HEIGHT: 26.45pt; mso-yfti-irow: 0; mso-yfti-firstrow: yes"> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: windowtext 1pt solid; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 260.9pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 26.45pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt" vAlign=top width=348 colSpan=2> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: center; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-alt: 13.0pt" align=center>  <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: center; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-line-height-alt: 13.0pt" align=center>윈도우 시스템 폴더<o:p></o:p></TD></TR> <TR style="HEIGHT: 29.35pt; mso-yfti-irow: 1"> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 55.85pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 29.35pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=74> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: center; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=center>  <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: center; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=center>95/98/ME<o:p></o:p></TD> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 205.05pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 29.35pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=273> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: center; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=center>  <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: center; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=center>C:\Windows\System<o:p></o:p></TD></TR> <TR style="HEIGHT: 35.25pt; mso-yfti-irow: 2"> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 55.85pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 35.25pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=74>   NT/2000<o:p></o:p></TD> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 205.05pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 35.25pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=273> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: center; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=center>  <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: center; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=center>C\WinNT\System32<o:p></o:p></TD></TR> <TR style="HEIGHT: 31.4pt; mso-yfti-irow: 3; mso-yfti-lastrow: yes"> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: windowtext 1pt solid; WIDTH: 55.85pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 31.4pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt" vAlign=top width=74> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: center; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=center>  <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: center; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=center>XP<o:p></o:p></TD> <TD style="BORDER-RIGHT: windowtext 1pt solid; PADDING-RIGHT: 5.4pt; BORDER-TOP: #ece9d8; PADDING-LEFT: 5.4pt; PADDING-BOTTOM: 0cm; BORDER-LEFT: #ece9d8; WIDTH: 205.05pt; PADDING-TOP: 0cm; BORDER-BOTTOM: windowtext 1pt solid; HEIGHT: 31.4pt; BACKGROUND-COLOR: transparent; mso-border-alt: solid windowtext .5pt; mso-border-top-alt: solid windowtext .5pt; mso-border-left-alt: solid windowtext .5pt" vAlign=top width=273> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: center; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=center>  <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: center; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=center>Windows\System32<o:p></o:p></TD></TR></TBODY></TABLE> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left><o:p> </o:p> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; TEXT-INDENT: 94.5pt; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto; mso-char-indent-count: 10.5" align=left> <o:p></o:p> -레지스트리 등록 <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left> 감염된 시스템은 자신을 다음과 같이 레지스트리에 등록해 다음 부팅시 실행되도록 조작 한다. <o:p></o:p> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left> HKEY_LOCAL_MACHINE\ SOFTWARE\Microsoft\Windows\CurrentVersion\Run <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left> WinDLL (aguard.dll)  =  rundll32.exe 윈도우 시스템\aguard.dll,start     <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left> 감염된 시스템은 TCP 임의의 포트를 LISTENING 상태로 열어둔다. (상대로부터 접속을 기다리는 상태) <o:p></o:p> <P class=MsoNormal style="MARGIN: 0cm 0cm 0pt; WORD-BREAK: keep-all; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-margin-top-alt: auto; mso-margin-bottom-alt: auto" align=left>그 후 사용자 몰래 접속 해 스팸 메일 발송, 애드웨어 설치, 데이터 삭제, 그리고 개인의 컴퓨터 사용 내역을 훔쳐보거나 각종 파일(개인 문서, 기밀 문서 등)을 외부로 빼가는 보안상 문제도 발생할 수 있음 <o:p></o:p> <P class=MsoNormal style="MARGIN: 0cm 0cm 12pt; WORD-BREAK: keep-all; TEXT-INDENT: 54pt; LINE-HEIGHT: 13pt; TEXT-AUTOSPACE: ideograph-numeric; TEXT-ALIGN: left; mso-pagination: widow-orphan; mso-char-indent-count: 6.0" align=left><o:p> </o:p><SPAN style="FONT-SIZE: 9pt; COLOR: #505050; FONT-FAMILY: 바탕; mso-bidi-font-family: ''Times New Roman''; mso-font-kerning: 1.0pt; mso-hansi-font-family: ''Times New Roman''; mso-ansi-language: EN-US; mso-fareast-language: KO; mso-bidi-language: AR-SA">백도어로서 동작 하게되면, 다음과 같은 시스템 오동작이 일어날 수 있다. 1. 파일 실행및 삭제 2. 포트감시 3. 키보드 타이핑 내용 저장 4. 파일 다운로드 5. ftp및 IRC 서버로 동작가능 6. 시스템 하드웨어 정보 수집

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이전글: Trojan-W32/VB.36864.F

다음글: Backdoor-W32/SdBot.134144

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