{"id":30167,"date":"2019-10-31T21:33:58","date_gmt":"2019-10-31T18:33:58","guid":{"rendered":"https:\/\/prohoster.info\/blog\/razbor-kriticheskoj-oshibki-v-algoritme-raboty-shifrovaniya-kib-searchinform\/"},"modified":"2019-10-31T21:33:58","modified_gmt":"2019-10-31T18:33:58","slug":"razbor-kriticheskoj-oshibki-v-algoritme-raboty-shifrovaniya-kib-searchinform","status":"publish","type":"post","link":"https:\/\/prohoster.info\/sq\/blog\/razbor-kriticheskoj-oshibki-v-algoritme-raboty-shifrovaniya-kib-searchinform","title":{"rendered":"Analiza e nj\u00eb gabimi kritik n\u00eb algoritmin e funksionimit t\u00eb enkriptimit KIB SEARCHINFORM","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kontrolli i t\u00eb gjith\u00eb informacionit q\u00eb qarkullon n\u00eb organizat\u00eb \u00ebsht\u00eb nj\u00eb nga detyrat kryesore gjat\u00eb zbatimit praktik t\u00eb dokumenteve organizative (politika e siguris\u00eb s\u00eb informacionit dhe dokumente t\u00eb tjera t\u00eb brendshme t\u00eb niveleve m\u00eb t\u00eb ulta) t\u00eb organizat\u00ebs.
\nSistemet e parandalimit t\u00eb rrjedhjes s\u00eb informacionit t\u00eb ndjesh\u00ebm nga sistemi informativ (Data Leak Prevention, DLP) n\u00eb shumic\u00ebn e rasteve jan\u00eb n\u00eb gjendje t\u00eb zgjidhin k\u00ebt\u00eb problem.
\n<\/a><\/noindex>
\nN\u00eb tregun modern ka mjaft lloje t\u00eb k\u00ebtyre sistemeve, si p.sh.: SearchInform DLP, Infowatch Traffic Monitor DLP, Zecurion DLP, Symantec DLP dhe t\u00eb tjera. Por sot ky artikull do t\u00eb flas\u00eb p\u00ebr produktin e kompanis\u00eb LLC 'SearchInform'.<\/p>\n

Kontur i siguris\u00eb s\u00eb informacionit SearchInform (KIB S\u00ebrchinform) - \u00ebsht\u00eb nj\u00eb kompleks programi serioz dhe fleksib\u00ebl, q\u00eb me funksionalitetin dhe mjetet e tij t\u00eb gjera analitike krijon konkurrenc\u00eb t\u00eb fort\u00eb p\u00ebr kompanit\u00eb e tjera n\u00eb k\u00ebt\u00eb sfid\u00eb. Por si \u00e7do produkt tjet\u00ebr, KIB S\u00ebrchinform ka nj\u00eb nga disavantazhet q\u00eb do t\u00eb diskutohet tani.<\/p>\n

\"Analiza
\n
\nFigur\u00eb 1 \u2013 Logotipi i KIB S\u00ebrchinform<\/i><\/p>\n

N\u00eb KIB S\u00ebrchinform nj\u00eb nga burimet e grumbullimit t\u00eb informacionit \u00ebsht\u00eb agjenti (Windows\/Linux). Agjenti p\u00ebr OS Windows, ashtu si p\u00ebr OS Linux, ka nj\u00eb sistem modular p\u00ebr grumbullimin e informacionit, t\u00eb cilat aktivizohen ose \u00e7aktivizohen sipas nevoj\u00ebs. Ne do t\u00eb shqyrtojm\u00eb modulin Device (kontrolli i pajisjeve externe, pajisjeve rrjetore, proceseve etj.). Nj\u00eb version demo t\u00eb k\u00ebtij produkti mund t\u00eb merret zyrtarisht n\u00ebp\u00ebrmjet faqes s\u00eb zhvilluesit (me funksionalitet t\u00eb plot\u00eb). Veprat e m\u00ebtejshme do t\u00eb realizohen me \u00e7el\u00ebsin e mund\u00ebsuar nga licenca - versioni i programit EndPointController 5.51.0.9 (versioni i agjentit 5.51.0.9).<\/p>\n

Problemi kryesor n\u00eb pun\u00ebn e k\u00ebtij moduli \u00ebsht\u00eb algoritmi i enkriptimit t\u00eb informacionit n\u00eb pajisjet p\u00ebrkat\u00ebse t\u00eb jashtme. Le t\u00eb shqyrtojm\u00eb principin e pun\u00ebs s\u00eb algoritmit t\u00eb enkriptimit n\u00eb KIB S\u00ebrchinform.<\/p>\n

Instalojm\u00eb agjentin n\u00eb stacionin e pun\u00ebs dhe vendosim p\u00ebr kontrollin e pajisjeve t\u00eb jashtme (moduli Device) n\u00eb seksionin 'Mjedisi Rrjetor' t\u00eb EndPointController 5.51.0.9<\/p>\n

\"Analiza
\nFigur\u00eb 2 \u2013 Instalimi dhe aktivizimi i modulit<\/i><\/p>\n

Krijojm\u00eb konfigurimin e enkriptimit n\u00eb cil\u00ebsimet e modulit Device n\u00eb tabin 'Enkriptimi': gjenerojm\u00eb \u00e7el\u00ebs dhe aktivizojm\u00eb enkriptimin p\u00ebr t\u00eb gjitha mjete (\u00ebsht\u00eb e mundur aktivizimi i enkriptimit vet\u00ebm p\u00ebr disa mjete specifike).<\/p>\n

\"Analiza
\nFigur\u00eb 3 \u2013 Konfigurimi i list\u00ebs s\u00eb bardh\u00eb<\/i><\/p>\n

\"Analiza
\nFigur\u00eb 4 \u2013 Konfigurimi i enkriptimit<\/i><\/p>\n

Tani le t\u00eb fillojm\u00eb analizimin e algoritmit t\u00eb enkriptimit t\u00eb skedar\u00ebve nga ky produkt. Le t\u00eb kopjojm\u00eb skedar\u00ebt 'Install.exe' dhe 'Bazat e t\u00eb drejtave.rtf' nga stacioni i kontrolluar i pun\u00ebs 'WINOC' n\u00eb pajisjen e jashtme 'Disku i jasht\u00ebm (E:)'. Si\u00e7 shihet n\u00eb figur\u00ebn 5, n\u00eb folderin e fsheht\u00eb 'System Volume Information' jan\u00eb krijuar objektet 'Install.exe' dhe 'Bazat e t\u00eb drejtave.rtf'. K\u00ebshtu mund t\u00eb arrihet n\u00eb p\u00ebrfundimin se folderi 'System Volume Information' p\u00ebrmban nj\u00eb list\u00eb t\u00eb objekteve t\u00eb enkriptuara n\u00eb pajisjen e jashtme.<\/p>\n

\"Analiza
\nFigur\u00eb 5 \u2013 folderi 'System Volume Information'<\/i><\/p>\n

\"Analiza
\nFigur\u00eb 6 \u2013 Folderi rr\u00ebnj\u00ebsor i pajisjes s\u00eb jashtme t\u00eb informacionit<\/i><\/p>\n

Si\u00e7 dihet, ekzistojn\u00eb tre aspekte mbi t\u00eb cilat nd\u00ebrtohet siguria e informacionit - kjo \u00ebsht\u00eb integriteti, disponueshm\u00ebria dhe konfidencialiteti. K\u00ebto aspekte shkelin me p\u00ebrdorimin e k\u00ebtij qasje enkriptimi, pasi informacionet sistemore mbi n\u00ebse objekti \u00ebsht\u00eb enkriptuar ose jo duhet t\u00eb gjenden n\u00eb vet\u00eb titullin e objektit. <\/p>\n

Me nd\u00ebrtimin aktual t\u00eb algoritmit, ka mund\u00ebsi p\u00ebr modifikimin\/zhdukjen e rast\u00ebsishme t\u00eb objekteve n\u00eb folderin 'System Volume Information' n\u00eb pajisjen e jashtme me humbjen e m\u00ebtejshme t\u00eb objekteve t\u00eb enkriptuara origjinale, si dhe modifikimi i vet\u00eb objekteve n\u00eb stacionet e pakontrolluara (p.sh.: rinaming objekti 'Install.exe' me rrug\u00ebn rrjetore 'E:Install.exe' n\u00eb nj\u00eb kompjuter pa agjent, nd\u00ebrkoh\u00eb informatik\u00eb skedari i produktit KIB S\u00ebrchinform n\u00eb folderin 'System Volume Information' 'Install.exe' me rrug\u00ebn rrjetore 'E:System Volume InformationInstall.exe' mbetet i pandryshuar, pasi nuk ka agjent q\u00eb do ta ndryshonte informacionin sh\u00ebrbimor, dhe hapja e k\u00ebtij skedari b\u00ebhet e pamundur).<\/p>\n

Shpresojm\u00eb q\u00eb zhvilluesi do t\u00eb marr parasysh k\u00ebt\u00eb disavantazh n\u00eb funksionin e enkriptimit t\u00eb pajisjeve t\u00eb jashtme t\u00eb informacionit n\u00eb produktin KIB S\u00ebrchinform dhe do ta ndryshoj\u00eb algoritmin e saj.
\n
Burimi: habr.com<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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