{"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 gabimit kritik n\u00eb algoritmin e funksionimit t\u00eb enkriptimit KIB SEARCHINFORM","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Kontrollimi i t\u00eb gjitha informacionit q\u00eb qarkullon n\u00eb organizat\u00eb \u00ebsht\u00eb nj\u00eb nga detyrat kryesore gjat\u00eb implementimit praktik t\u00eb dokumenteve organizative dhe rregullative (politika e siguris\u00eb informative 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 rrjedhjeve t\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 e sot\u00ebm ekzistojn\u00eb mjaft lloje t\u00eb k\u00ebtyre sistemeve, si p\u00ebr shembull: 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 \"S\u00ebr\u00e7Inform\".<\/p>\n

Konturi i siguris\u00eb informative t\u00eb SearchInform (KIB S\u00ebr\u00e7Inform) \u00ebsht\u00eb nj\u00eb kompleks serioz dhe fleksib\u00ebl i programit, i cili me funksionalitetin e tij dhe mjetet analitike t\u00eb gjer\u00eb krijon konkurenc\u00eb serioze p\u00ebr kompanit\u00eb e tjera n\u00eb k\u00ebt\u00eb fush\u00eb. Por si\u00e7 ndodh me t\u00eb gjitha produktet, KIB S\u00ebr\u00e7Inform ka nj\u00eb nga disavantazhet, p\u00ebr t\u00eb cilin do t\u00eb flasim tani.<\/p>\n

\"Analiza
\n
\nFigura 1 \u2013 Logotipi i KIB S\u00ebr\u00e7Inform<\/i><\/p>\n

N\u00eb KIB S\u00ebr\u00e7Inform, nj\u00eb nga burimet e mbledhjes s\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 mbledhjen e informacionit, t\u00eb cilat aktivizohen ose \u00e7aktivizohen sipas nevoj\u00ebs. Ne do t\u00eb shqyrtojm\u00eb modul\u00ebn Device (kontrollimi i pajisjeve t\u00eb jashtme, pajisjeve rrjetore, proceseve etj.). Nj\u00eb version demo t\u00eb k\u00ebtij produkti mund t\u00eb merret zyrtarisht p\u00ebrmes faqes s\u00eb zhvilluesit (me funksionalitet t\u00eb plot\u00eb). Veprat e tjera do t\u00eb realizohen me ndihm\u00ebn e \u00e7el\u00ebsit t\u00eb licenc\u00ebs q\u00eb do t\u00eb merret - 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 enkripcioni t\u00eb informacionit n\u00eb pajisjet e jashtme t\u00eb shkarkueshme. Le t\u00eb shqyrtojm\u00eb parimin e funksionimit t\u00eb algoritmit t\u00eb enkripcioni n\u00eb KIB S\u00ebr\u00e7Inform.<\/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\" EndPointController 5.51.0.9.<\/p>\n

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

Krijojm\u00eb konfigurimin e enkripcioni n\u00eb cil\u00ebsimet e modulit Device n\u00eb seksionin \"Enkriptimi\": gjenerojm\u00eb \u00e7el\u00ebs dhe aktivizojm\u00eb enkriptimin p\u00ebr t\u00eb gjitha mediumet (mund t\u00eb aktivizohet enkriptimi vet\u00ebm p\u00ebr disa mediume informacioni).<\/p>\n

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

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

Tani do t\u00eb fillojm\u00eb shqyrtimin e algoritmit t\u00eb enkriptimit t\u00eb skedareve me k\u00ebt\u00eb produkt. Do t\u00eb kopjojm\u00eb skedar\u00ebt \"Install.exe\" dhe \"Themellet e t\u00eb drejt\u00ebs.rtf\" nga stacioni i kontrolluar \"WINOC\" n\u00eb nj\u00eb pajisje t\u00eb jashtme \"Disqja e jashtme (E:)\". Si\u00e7 shihet n\u00eb ilustrimin 5, n\u00eb dosjen e fsheht\u00eb \"Informacioni i volumit t\u00eb sistemit\" jan\u00eb krijuar objekte \"Install.exe\" dhe \"Themellet e t\u00eb drejt\u00ebs.rtf\". K\u00ebshtu, mund t\u00eb konkludohet se dosja \"Informacioni i volumit t\u00eb sistemit\" p\u00ebrmban nj\u00eb list\u00eb t\u00eb objekteve t\u00eb enkriptuara n\u00eb pajisjen e jashtme.<\/p>\n

\"Analiza
\nIlustrim 5 \u2013 dosja \"Informacioni i volumit t\u00eb sistemit\"<\/i><\/p>\n

\"Analiza
\nIlustrim 6 \u2013 Dosja rr\u00ebnj\u00ebsore e pajisjes s\u00eb jashtme t\u00eb informacionit<\/i><\/p>\n

Si\u00e7 dihet, ekzistojn\u00eb tre aspekte mbi t\u00eb cilat nd\u00ebrtosh sigurin\u00eb informacionit \u2013 integriteti, disponueshm\u00ebria dhe konfidencialiteti. K\u00ebto aspekte c\u00ebnohen me p\u00ebrdorimin e k\u00ebtij qasjeje t\u00eb enkriptimit, pasi informacioni sistemik n\u00ebse nj\u00eb objekt \u00ebsht\u00eb enkriptuar apo jo duhet t\u00eb gjendet n\u00eb vet\u00eb titullin e objektit. <\/p>\n

Me nd\u00ebrtimin aktual t\u00eb algoritmit, jan\u00eb t\u00eb mundshme variante t\u00eb modifikimeve\/shk\u00ebmbimeve t\u00eb rast\u00ebsishme t\u00eb objekteve n\u00eb dosjen \"Informacioni i volumit t\u00eb sistemit\" n\u00eb pajisjen e jashtme me humbjen e m\u00ebvonshme t\u00eb objekteve t\u00eb enkriptuara origjinale, si dhe modifikimi i vet\u00eb objekteve n\u00eb stacione t\u00eb pap\u00ebrgjegjshme (p\u00ebr shembull: rinaming i objektit \"Install.exe\" me rrug\u00ebn rrjet t\u00eb \"E:Install.exe\" n\u00eb nj\u00eb kompjuter pa agjent, nd\u00ebrsa informacioni i skedarit t\u00eb produktit t\u00eb softuerit KIB S\u00ebr\u00e7inform n\u00eb dosjen \"Informacioni i volumit t\u00eb sistemit\" \"Install.exe\" me rrug\u00ebn rrjet \"E:System Volume InformationInstall.exe\" mbetet i pandryshuar, pasi mungon agjenti q\u00eb do t\u00eb ndryshte informacionin sh\u00ebrbyes, dhe hapja e k\u00ebtij skedari b\u00ebhet e pamundur).<\/p>\n

Shpresojm\u00eb q\u00eb zhvilluesi do t\u00eb merr n\u00eb konsiderat\u00eb k\u00ebt\u00eb disavantazh n\u00eb funksionin e enkriptimit t\u00eb pajisjeve informative n\u00eb produktin KIB S\u00ebr\u00e7inform dhe do t\u00eb 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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