Bonjour et merci a vous tous de votre aide.
Je mets ci-dessous le resultat des operations demandées.
un point me gene : !!! je ne sais pas comment verifier si l’adresse IP scannée est la bonne !!!
(Installation domestique avec : Modem puis routeur puis laptop)
J’attends votre retour
Merci encore
++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
NETMEETING
Faire
Démarrer==> Exécuter ==> Ecrire: services.msc
Dans le tableau qui souvre chercher : partage de bureau à distance NetMeeting
Resultat trouvé : (extrait exportation avec commentaire)
NetMeeting Remote Desktop Sharing Enables an authorized user to access this computer remotely by using NetMeeting over a corporate intranet. If this service is stopped, remote desktop sharing will be unavailable. If this service is disabled, any services that explicitly depend on it will fail to start. PAS de ‘STARTED’ Manual Local System
SCAN DES PORTS :
!!! je ne sais pas comment verifier si l’adresse IP scannée est la bonne !!!
(Installattion domestique avec : Modem puis routeur puis laptop)
www.inoculer.com…
Dossiers inoculer.com
Resultat du scanner
Ports ouverts ports ouverts
Aucun
Ports fermés ports fermés
Aucun
Ports masqués ports masqués
Analyse des résultats
Votre firewall fonctionne correctement. Vous êtes bien caché et invisible pour quelqu’un cherchant à s’introduire sur votre machine.
- “MASQUÉ” (par un firewall) signifie que votre ordinateur est invisible pour des pirates venant d’Internet et protégé par un firewall ou tout autre logiciel similaire.
- “FERMÉ” (non-masqué) signifie que ce port est fermé, mais que votre ordinateur est visible par d’autres sur l’Internet qui peuvent être potentiellement dangereux.
- “OUVERT” signifie que ce port est prêt à établir (ou a déjà établi) une connexion avec une adresse à distance. Cela signifie également que votre ordinateur est vulnérable aux attaques et pourrait avoir été déjà endommagé ou infecté par un trojan/backdoor.
=======================================================================
check.sdv.fr…
Résultat du scan (effectué en 58 secondes):
Votre ip 69.171.148.227 ()
Votre systéme Windows XP
Liste des ports visibles:
Nom Status Numero Information
Conclusion:
Aucun port ne semble ouvert sur votre machine.
Votre securité est excellente.
www.grc.com…
Browser Reload Suppressed
For your security, your web browser’s “reload”
function has been temporarily disabled
Allowing a web browser to “reload” a page which has already been sent to you creates a “security hole” that would allow someone using your computer at any later time to attain potentially private and personal information.
To safeguard your privacy we have disabled the browser’s “reload” or “refresh” facility while you are in sensitive areas of our web site. Reloading pages will function normally once you have left this area . . . but until then please refrain from “reloading” pages.
You may press your browser’s [BACK] button now to return to the page prior to the one you were just viewing.
Thanks very much for your interest and patronage.
++++++++++++++++++++++++++++++++++
HIJACKTHIS
+++++++++++++++++++++++++++++++++
Logfile of Trend Micro HijackThis v2.0.2
Scan saved at 9:19:19 AM, on 11/19/2008
Platform: Windows XP SP3 (WinNT 5.01.2600)
MSIE: Internet Explorer v7.00 (7.00.6000.16735)
Boot mode: Normal
Running processes:
C:\WINDOWS\System32\smss.exe
C:\WINDOWS\system32\winlogon.exe
C:\WINDOWS\system32\services.exe
C:\WINDOWS\system32\lsass.exe
C:\WINDOWS\system32\svchost.exe
C:\WINDOWS\System32\svchost.exe
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
C:\WINDOWS\Explorer.EXE
C:\WINDOWS\system32\brsvc01a.exe
C:\WINDOWS\system32\spoolsv.exe
C:\WINDOWS\system32\brss01a.exe
C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
C:\WINDOWS\system32\drivers\CDAC11BA.EXE
C:\Program Files\TOSHIBA\ConfigFree\CFSvcs.exe
C:\WINDOWS\system32\DVDRAMSV.exe
C:\WINDOWS\eHome\ehRecvr.exe
C:\WINDOWS\eHome\ehSched.exe
C:\Program Files\Mediafour\MacDrive 7\MacDriveService.exe
C:\Program Files\Microsoft SQL Server\MSSQL$INVENTORCONTENT\Binn\sqlservr.exe
C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
C:\WINDOWS\Installer\MSI181.tmp
C:\WINDOWS\system32\svchost.exe
C:\Program Files\Toshiba\TOSHIBA Applet\TAPPSRV.exe
C:\Program Files\Common Files\Ulead Systems\DVD\ULCDRSvr.exe
C:\PROGRA~1\AVG\AVG8\avgrsx.exe
C:\PROGRA~1\AVG\AVG8\avgemc.exe
C:\WINDOWS\system32\dllhost.exe
C:\WINDOWS\ehome\ehtray.exe
C:\WINDOWS\eHome\ehmsas.exe
C:\WINDOWS\RTHDCPL.EXE
C:\WINDOWS\AGRSMMSG.exe
C:\Program Files\TOSHIBA\ConfigFree\NDSTray.exe
C:\WINDOWS\System32\DLA\DLACTRLW.EXE
C:\Program Files\TOSHIBA\TOSHIBA Zooming Utility\SmoothView.exe
C:\Program Files\Toshiba\Tvs\TvsTray.exe
C:\Program Files\Toshiba\Toshiba Applet\thotkey.exe
C:\Program Files\TOSHIBA\TOSHIBA Controls\TFncKy.exe
C:\Program Files\Intel\Wireless\bin\ZCfgSvc.exe
C:\Program Files\Intel\Wireless\Bin\ifrmewrk.exe
C:\WINDOWS\system32\hkcmd.exe
C:\WINDOWS\system32\igfxpers.exe
C:\WINDOWS\system32\TPSMain.exe
C:\WINDOWS\VM303_STI.EXE
C:\Program Files\Common Files\Real\Update_OB\realsched.exe
C:\Program Files\TOSHIBA\ConfigFree\CFSServ.exe
C:\Program Files\ScanSoft\PaperPort\pptd40nt.exe
C:\WINDOWS\system32\TPSBattM.exe
C:\Program Files\ltmoh\Ltmoh.exe
C:\Program Files\Google\Gmail Notifier\gnotify.exe
C:\Program Files\Common Files\InstallShield\UpdateService\ISUSPM.exe
C:\Program Files\TOSHIBA\ConfigFree\CFXFER.exe
C:\WINDOWS\Samsung\PanelMgr\ssmmgr.exe
C:\Program Files\Common Files\Ulead Systems\DVD\USISrv.exe
C:\PROGRA~1\AVG\AVG8\avgtray.exe
C:\Program Files\Adobe\Acrobat 7.0\Distillr\Acrotray.exe
C:\Program Files\Mediafour\MacDrive 7\MacDrive.exe
C:\Program Files\QuickTime\qttask.exe
C:\Program Files\TOSHIBA\TOSCDSPD\toscdspd.exe
C:\WINDOWS\system32\ctfmon.exe
C:\Program Files\Gadwin Systems\PrintScreen\PrintScreen.exe
C:\Program Files\Intel\Wireless\Bin\Dot1XCfg.exe
C:\WINDOWS\system32\RAMASST.exe
C:\Program Files\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
C:\WINDOWS\system32\taskmgr.exe
C:\WINDOWS\system32\igfxsrvc.exe
C:\Program Files\Windows Live\Messenger\usnsvc.exe
C:\Program Files\AVG\AVG8\avgui.exe
C:\Program Files\AVG\AVG8\avgscanx.exe
C:\Program Files\Mozilla Firefox\firefox.exe
C:\WINDOWS\system32\NOTEPAD.EXE
C:\WINDOWS\system32\notepad.exe
C:\WINDOWS\system32\wuauclt.exe
C:\Documents and Settings\GA\Desktop\scan Hijack 19nov2008.exe
R0 - HKCU\Software\Microsoft\Internet Explorer\Main,Start Page = google.com…
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Page_URL = go.microsoft.com…
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Default_Search_URL = go.microsoft.com…
R1 - HKLM\Software\Microsoft\Internet Explorer\Main,Search Page = go.microsoft.com…
R0 - HKLM\Software\Microsoft\Internet Explorer\Main,Start Page = go.microsoft.com…
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,SearchAssistant =
R0 - HKLM\Software\Microsoft\Internet Explorer\Search,CustomizeSearch =
O2 - BHO: AcroIEHlprObj Class - {06849E9F-C8D7-4D59-B87D-784B7D6BE0B3} - C:\Program Files\Adobe\Acrobat 7.0\ActiveX\AcroIEHelper.dll
O2 - BHO: BitComet ClickCapture - {39F7E362-828A-4B5A-BCAF-5B79BFDFEA60} - C:\Program Files\BitComet\tools\BitCometBHO_1.2.8.7.dll
O2 - BHO: WormRadar.com IESiteBlocker.NavFilter - {3CA2F312-6F6E-4B53-A66E-4E65E497C8C0} - C:\Program Files\AVG\AVG8\avgssie.dll
O2 - BHO: Spybot-S&D IE Protection - {53707962-6F74-2D53-2644-206D7942484F} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O2 - BHO: DriveLetterAccess - {5CA3D70E-1895-11CF-8E15-001234567890} - C:\WINDOWS\System32\DLA\DLASHX_W.DLL
O2 - BHO: SSVHelper Class - {761497BB-D6F0-462C-B6EB-D4DAF1D92D43} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O2 - BHO: (no name) - {7E853D72-626A-48EC-A868-BA8D5E23E045} - (no file)
O2 - BHO: Adobe PDF Conversion Toolbar Helper - {AE7CD045-E861-484f-8273-0445EE161910} - C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll
O2 - BHO: NTIECatcher Class - {C56CB6B0-0D96-11D6-8C65-B2868B609932} - C:\Program Files\Xi\NetTransport 2\NTIEHelper.dll
O3 - Toolbar: Copernic Agent - {F2E259E8-0FC8-438C-A6E0-342DD80FA53E} - C:\Program Files\Copernic Agent\CopernicAgentExt.dll
O3 - Toolbar: Adobe PDF - {47833539-D0C5-4125-9FA8-0819E2EAAC93} - C:\Program Files\Adobe\Acrobat 7.0\Acrobat\AcroIEFavClient.dll
O4 - HKLM…\Run: [ehTray] C:\WINDOWS\ehome\ehtray.exe
O4 - HKLM…\Run: [RTHDCPL] RTHDCPL.EXE
O4 - HKLM…\Run: [Alcmtr] ALCMTR.EXE
O4 - HKLM…\Run: [AGRSMMSG] AGRSMMSG.exe
O4 - HKLM…\Run: [NDSTray.exe] NDSTray.exe
O4 - HKLM…\Run: [DLA] C:\WINDOWS\System32\DLA\DLACTRLW.EXE
O4 - HKLM…\Run: [SmoothView] C:\Program Files\TOSHIBA\TOSHIBA Zooming Utility\SmoothView.exe
O4 - HKLM…\Run: [Tvs] C:\Program Files\Toshiba\Tvs\TvsTray.exe
O4 - HKLM…\Run: [THotkey] C:\Program Files\Toshiba\Toshiba Applet\thotkey.exe
O4 - HKLM…\Run: [TFncKy] TFncKy.exe
O4 - HKLM…\Run: [IntelZeroConfig] “C:\Program Files\Intel\Wireless\bin\ZCfgSvc.exe”
O4 - HKLM…\Run: [IntelWireless] “C:\Program Files\Intel\Wireless\Bin\ifrmewrk.exe” /tf Intel PROSet/Wireless
O4 - HKLM…\Run: [igfxtray] C:\WINDOWS\system32\igfxtray.exe
O4 - HKLM…\Run: [igfxhkcmd] C:\WINDOWS\system32\hkcmd.exe
O4 - HKLM…\Run: [igfxpers] C:\WINDOWS\system32\igfxpers.exe
O4 - HKLM…\Run: [TPSMain] TPSMain.exe
O4 - HKLM…\Run: [NeroFilterCheck] C:\WINDOWS\system32\NeroCheck.exe
O4 - HKLM…\Run: [BigDog303] C:\WINDOWS\VM303_STI.EXE VIMICRO USB PC Camera (ZC0301PLH)
O4 - HKLM…\Run: [TkBellExe] “C:\Program Files\Common Files\Real\Update_OB\realsched.exe” -osboot
O4 - HKLM…\Run: [CFSServ.exe] CFSServ.exe -NoClient
O4 - HKLM…\Run: [SSBkgdUpdate] “C:\Program Files\Common Files\Scansoft Shared\SSBkgdUpdate\SSBkgdupdate.exe” -Embedding -boot
O4 - HKLM…\Run: [PaperPort PTD] C:\Program Files\ScanSoft\PaperPort\pptd40nt.exe
O4 - HKLM…\Run: [IndexSearch] C:\Program Files\ScanSoft\PaperPort\IndexSearch.exe
O4 - HKLM…\Run: [LtMoh] C:\Program Files\ltmoh\Ltmoh.exe
O4 - HKLM…\Run: [{0228e555-4f9c-4e35-a3ec-b109a192b4c2}] C:\Program Files\Google\Gmail Notifier\gnotify.exe
O4 - HKLM…\Run: [ISUSPM] “C:\Program Files\Common Files\InstallShield\UpdateService\ISUSPM.exe” -scheduler
O4 - HKLM…\Run: [Samsung PanelMgr] C:\WINDOWS\Samsung\PanelMgr\ssmmgr.exe /autorun
O4 - HKLM…\Run: [USIUDF_Eject_Monitor] C:\Program Files\Common Files\Ulead Systems\DVD\USISrv.exe
O4 - HKLM…\Run: [AVG8_TRAY] C:\PROGRA~1\AVG\AVG8\avgtray.exe
O4 - HKLM…\Run: [PDF4 Registry Controller] “C:\Program Files\ScanSoft\PDF Professional 4.0\RegistryController.exe”
O4 - HKLM…\Run: [Acrobat Assistant 7.0] “C:\Program Files\Adobe\Acrobat 7.0\Distillr\Acrotray.exe”
O4 - HKLM…\Run: [{B179023B-6238-4499-8F26-CD73E9D90E0A}] “C:\Program Files\Mediafour\MacDrive 7\MacDrive.exe”
O4 - HKLM…\Run: [MDGetStarted.exe] “C:\Program Files\Mediafour\MacDrive 7\MDGetStarted.exe” /auto
O4 - HKLM…\Run: [QuickTime Task] “C:\Program Files\QuickTime\qttask.exe” -atboottime
O4 - HKCU…\Run: [TOSCDSPD] C:\Program Files\TOSHIBA\TOSCDSPD\toscdspd.exe
O4 - HKCU…\Run: [ctfmon.exe] C:\WINDOWS\system32\ctfmon.exe
O4 - HKCU…\Run: [Gadwin PrintScreen 3.1] C:\Program Files\Gadwin Systems\PrintScreen\PrintScreen.exe /nosplash
O4 - HKCU…\Run: [msnmsgr] “C:\Program Files\Windows Live\Messenger\MsnMsgr.Exe” /background
O4 - HKCU…\Run: [Skype] “C:\Program Files\Skype\Phone\Skype.exe” /nosplash /minimized
O4 - HKUS\S-1-5-18…\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User ‘SYSTEM’)
O4 - HKUS\S-1-5-18…\Run: [Picasa Media Detector] C:\Program Files\Picasa2\PicasaMediaDetector.exe (User ‘SYSTEM’)
O4 - HKUS.DEFAULT…\Run: [CTFMON.EXE] C:\WINDOWS\system32\CTFMON.EXE (User ‘Default user’)
O4 - S-1-5-18 Startup: IEHOME.LNK = C:\Documents and Settings\Default User\Local Settings\Temp\iehome.bat (User ‘SYSTEM’)
O4 - .DEFAULT Startup: IEHOME.LNK = C:\Documents and Settings\Default User\Local Settings\Temp\iehome.bat (User ‘Default user’)
O4 - .DEFAULT User Startup: IEHOME.LNK = C:\Documents and Settings\Default User\Local Settings\Temp\iehome.bat (User ‘Default user’)
O4 - Startup: Adobe Gamma.lnk = C:\Program Files\Common Files\Adobe\Calibration\Adobe Gamma Loader.exe
O4 - Global Startup: Adobe Acrobat Speed Launcher.lnk = ?
O4 - Global Startup: RAMASST.lnk = C:\WINDOWS\system32\RAMASST.exe
O4 - Global Startup: Service Manager.lnk = C:\Program Files\Microsoft SQL Server\80\Tools\Binn\sqlmangr.exe
O8 - Extra context menu item: &D&ownload &with BitComet - C:\Program… Files\BitComet\BitComet.exe/AddLink.htm
O8 - Extra context menu item: &D&ownload all video with BitComet - C:\Program… Files\BitComet\BitComet.exe/AddVideo.htm
O8 - Extra context menu item: &D&ownload all with BitComet - C:\Program… Files\BitComet\BitComet.exe/AddAllLink.htm
O8 - Extra context menu item: Add to Google Photos Screensa&ver - C:\WINDOWS\system32\GPhotos.scr…
O8 - Extra context menu item: Open with ScanSoft PDF Converter 4.0 - C:\Program… Files\ScanSoft\PDF Professional 4.0\cnvres_eng.dll /100
O9 - Extra button: (no name) - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra ‘Tools’ menuitem: Sun Java Console - {08B0E5C0-4FCB-11CF-AAA5-00401C608501} - C:\Program Files\Java\jre1.5.0_06\bin\ssv.dll
O9 - Extra button: (no name) - {193B17B0-7C9F-4D5B-AEAB-8D3605EFC084} - C:\PROGRA~1\COPERN~1\COPERN~1.EXE
O9 - Extra ‘Tools’ menuitem: Démarrer Copernic Agent - {193B17B0-7C9F-4D5B-AEAB-8D3605EFC084} - C:\PROGRA~1\COPERN~1\COPERN~1.EXE
O9 - Extra button: Blog This - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra ‘Tools’ menuitem: &Blog This in Windows Live Writer - {219C3416-8CB2-491a-A3C7-D9FCDDC9D600} - C:\Program Files\Windows Live\Writer\WriterBrowserExtension.dll
O9 - Extra button: Copernic Agent - {688DC797-DC11-46A7-9F1B-445F4F58CE6E} - C:\PROGRA~1\COPERN~1\COPERN~1.EXE
O9 - Extra button: Research - {92780B25-18CC-41C8-B9BE-3C9C571A8263} - C:\PROGRA~1\MICROS~2\OFFICE11\REFIEBAR.DLL
O9 - Extra button: BitComet - {D18A0B52-D63C-4ed0-AFC6-C1E3DC1AF43A} - C:\Program… Files\BitComet\tools\BitCometBHO_1.2.8.7.dll/206 (file missing)
O9 - Extra button: (no name) - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra ‘Tools’ menuitem: Spybot - Search & Destroy Configuration - {DFB852A3-47F8-48C4-A200-58CAB36FD2A2} - C:\PROGRA~1\SPYBOT~1\SDHelper.dll
O9 - Extra button: (no name) - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra ‘Tools’ menuitem: @xpsp3res.dll,-20001 - {e2e2dd38-d088-4134-82b7-f2ba38496583} - C:\WINDOWS\Network Diagnostic\xpnetdiag.exe
O9 - Extra button: Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O9 - Extra ‘Tools’ menuitem: Windows Messenger - {FB5F1910-F110-11d2-BB9E-00C04F795683} - C:\Program Files\Messenger\msmsgs.exe
O10 - Unknown file in Winsock LSP: c:\windows\system32\nwprovau.dll
O16 - DPF: {6E32070A-766D-4EE6-879C-DC1FA91D2FC3} (MUWebControl Class) - update.microsoft.com…
O18 - Protocol: linkscanner - {F274614C-63F8-47D5-A4D1-FBDDE494F8D1} - C:\Program Files\AVG\AVG8\avgpp.dll
O18 - Protocol: skype4com - {FFC8B962-9B40-4DFF-9458-1830C7DD7F5D} - C:\PROGRA~1\COMMON~1\Skype\SKYPE4~1.DLL
O20 - AppInit_DLLs: avgrsstx.dll
O23 - Service: Adobe LM Service - Adobe Systems - C:\Program Files\Common Files\Adobe Systems Shared\Service\Adobelmsvc.exe
O23 - Service: AVG Free8 E-mail Scanner (avg8emc) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgemc.exe
O23 - Service: AVG Free8 WatchDog (avg8wd) - AVG Technologies CZ, s.r.o. - C:\PROGRA~1\AVG\AVG8\avgwdsvc.exe
O23 - Service: BrSplService (Brother XP spl Service) - brother Industries Ltd - C:\WINDOWS\system32\brsvc01a.exe
O23 - Service: C-DillaCdaC11BA - Macrovision - C:\WINDOWS\system32\drivers\CDAC11BA.EXE
O23 - Service: ConfigFree Service (CFSvcs) - TOSHIBA CORPORATION - C:\Program Files\TOSHIBA\ConfigFree\CFSvcs.exe
O23 - Service: DVD-RAM_Service - Matsushita Electric Industrial Co., Ltd. - C:\WINDOWS\system32\DVDRAMSV.exe
O23 - Service: Intel® PROSet/Wireless Event Log (EvtEng) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\EvtEng.exe
O23 - Service: Google Updater Service (gusvc) - Google - C:\Program Files\Google\Common\Google Updater\GoogleUpdaterService.exe
O23 - Service: InstallDriver Table Manager (IDriverT) - Macrovision Corporation - C:\Program Files\Common Files\InstallShield\Driver\1150\Intel 32\IDriverT.exe
O23 - Service: iPod Service - Apple Inc. - C:\Program Files\iPod\bin\iPodService.exe
O23 - Service: MacDriveService - Mediafour Corporation - C:\Program Files\Mediafour\MacDrive 7\MacDriveService.exe
O23 - Service: Intel® PROSet/Wireless Registry Service (RegSrvc) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\RegSrvc.exe
O23 - Service: Intel® PROSet/Wireless Service (S24EventMonitor) - Intel Corporation - C:\Program Files\Intel\Wireless\Bin\S24EvMon.exe
O23 - Service: SolidConverterPDFv4ReadSpool (SCPDFV4ReadSpool) - Solid Documents, LLC - C:\WINDOWS\Installer\MSI181.tmp
O23 - Service: SolidWorks Licensing Service - SolidWorks - C:\Program Files\Common Files\SolidWorks Shared\Service\SolidWorksLicensing.exe
O23 - Service: TOSHIBA Application Service (TAPPSRV) - TOSHIBA Corp. - C:\Program Files\Toshiba\TOSHIBA Applet\TAPPSRV.exe
O23 - Service: Ulead Burning Helper (UleadBurningHelper) - Ulead Systems, Inc. - C:\Program Files\Common Files\Ulead Systems\DVD\ULCDRSvr.exe
–
End of file - 14799 bytes