{"id":640,"date":"2017-05-13T12:34:28","date_gmt":"2017-05-13T11:34:28","guid":{"rendered":"https:\/\/www.carnet.hr\/upozorenje-sirenje-wannacry-ransomwarea\/"},"modified":"2018-11-30T16:09:13","modified_gmt":"2018-11-30T15:09:13","slug":"upozorenje-sirenje-wannacry-ransomwarea","status":"publish","type":"post","link":"https:\/\/www.carnet.hr\/en\/upozorenje-sirenje-wannacry-ransomwarea\/","title":{"rendered":"Upozorenje – \u0161irenje „WannaCry“ ransomwarea"},"content":{"rendered":"

Pojavio se novi oblik prijetnje na Internetu – ransomware „WannaCry“ (poznat i kao „Wana Decrypt0r“, „WannaCryptor“ ili „WCRY“). Ransomware iskorištava ranjivost SMB protokola („EternalBlue“) kako bi izvršio maliciozni kod nakon \u010dega se šifriraju podaci na ra\u010dunalu te se od korisnika zahtjeva uplata kako bi dobio klju\u010d za dešifriranje podataka.<\/p>\n

Zaraza velikog broja ra\u010dunala u kratkom vremenu i brzo širenje ransomwarea omogu\u0107eno je korištenjem DoublePulsar backdoor alata koji je nedavno objavljen na internetu kao skup alata koje koristi NSA. Ugro\u017eena su sva Windows korisni\u010dka ra\u010dunala na kojima nije instalirana zakrpa objavljena od strane Microsofta u o\u017eujku (MS17-010).<\/p>\n

Kako bi se korisnici zaštitili od ove prijetnje savjetuje se a\u017euriranje Windows operativnog sustava posljednjim izdanim zakrpama, odnosno minimalno instalacija zakrpe koje ispravlja ranjivost oznake MS17-010 (https:\/\/technet.microsoft.com\/en-us\/library\/security\/ms17-010.aspx<\/a>). Tako\u0111er se savjetuje blokiranje dolaznih konekcija prema portovima 445 i 139, odnosno potpuno isklju\u010divanje SMBv1\/CIFS protokola. Dodatno se preporu\u010duje blokiranje konekcija prema TOR \u010dvorovima, odnosno TOR promet kroz mre\u017eu.<\/p>","protected":false},"excerpt":{"rendered":"

Pojavio se novi oblik prijetnje na Internetu – ransomware „WannaCry“ (poznat i kao „Wana Decrypt0r“, „WannaCryptor“ ili „WCRY“). Ransomware iskorištava ranjivost SMB protokola („EternalBlue“) kako bi izvršio maliciozni kod nakon \u010dega se šifriraju podaci na ra\u010dunalu te se od korisnika zahtjeva uplata kako bi dobio klju\u010d za dešifriranje podataka.<\/p>","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"_et_pb_use_builder":"","_et_pb_old_content":"","_et_gb_content_width":"","footnotes":""},"categories":[24],"class_list":["post-640","post","type-post","status-publish","format-standard","hentry","category-preporucujemo"],"acf":[],"yoast_head":"\nUpozorenje – \u0161irenje „WannaCry“ ransomwarea - CARNET<\/title>\n<meta name=\"description\" content=\"Pojavio se novi oblik prijetnje na Internetu – ransomware „WannaCry“ (poznat i kao „Wana Decrypt0r“, „WannaCryptor“ ili „WCRY“). Ransomware iskorištava ranjivost SMB protokola („EternalBlue“) kako bi izvršio maliciozni kod nakon \u010dega se šifriraju podaci na ra\u010dunalu te se od korisnika zahtjeva uplata kako bi dobio klju\u010d za dešifriranje podataka.\" \/>\n<meta name=\"robots\" content=\"noindex, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<meta property=\"og:locale\" content=\"en_US\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Upozorenje – \u0161irenje „WannaCry“ ransomwarea - CARNET\" \/>\n<meta property=\"og:description\" content=\"Pojavio se novi oblik prijetnje na Internetu – ransomware „WannaCry“ (poznat i kao „Wana Decrypt0r“, „WannaCryptor“ ili „WCRY“). Ransomware iskorištava ranjivost SMB protokola („EternalBlue“) kako bi izvršio maliciozni kod nakon \u010dega se šifriraju podaci na ra\u010dunalu te se od korisnika zahtjeva uplata kako bi dobio klju\u010d za dešifriranje podataka.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/www.carnet.hr\/en\/upozorenje-sirenje-wannacry-ransomwarea\/\" \/>\n<meta property=\"og:site_name\" content=\"CARNET\" \/>\n<meta property=\"article:publisher\" content=\"http:\/\/facebook.com\/CARNET.hr\/\" \/>\n<meta property=\"article:published_time\" content=\"2017-05-13T11:34:28+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2018-11-30T15:09:13+00:00\" \/>\n<meta property=\"og:image\" content=\"https:\/\/www.carnet.hr\/wp-content\/uploads\/2019\/06\/facebook_OG_image.png\" \/>\n\t<meta property=\"og:image:width\" content=\"1200\" \/>\n\t<meta property=\"og:image:height\" content=\"630\" \/>\n\t<meta property=\"og:image:type\" content=\"image\/png\" \/>\n<meta name=\"author\" content=\"neuralabAdmin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:creator\" content=\"@CARNET_HR\" \/>\n<meta name=\"twitter:site\" content=\"@CARNET_HR\" \/>\n<meta name=\"twitter:label1\" content=\"Written by\" \/>\n\t<meta name=\"twitter:data1\" content=\"neuralabAdmin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Est. reading time\" \/>\n\t<meta name=\"twitter:data2\" content=\"1 minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\\\/\\\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\\\/\\\/www.carnet.hr\\\/en\\\/upozorenje-sirenje-wannacry-ransomwarea\\\/#article\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carnet.hr\\\/en\\\/upozorenje-sirenje-wannacry-ransomwarea\\\/\"},\"author\":{\"name\":\"neuralabAdmin\",\"@id\":\"https:\\\/\\\/www.carnet.hr\\\/#\\\/schema\\\/person\\\/847905b26791ec33b8c026f20da4771c\"},\"headline\":\"Upozorenje – \u0161irenje „WannaCry“ ransomwarea\",\"datePublished\":\"2017-05-13T11:34:28+00:00\",\"dateModified\":\"2018-11-30T15:09:13+00:00\",\"mainEntityOfPage\":{\"@id\":\"https:\\\/\\\/www.carnet.hr\\\/en\\\/upozorenje-sirenje-wannacry-ransomwarea\\\/\"},\"wordCount\":201,\"commentCount\":0,\"articleSection\":[\"Preporu\u010dujemo\"],\"inLanguage\":\"en-US\",\"potentialAction\":[{\"@type\":\"CommentAction\",\"name\":\"Comment\",\"target\":[\"https:\\\/\\\/www.carnet.hr\\\/en\\\/upozorenje-sirenje-wannacry-ransomwarea\\\/#respond\"]}]},{\"@type\":\"WebPage\",\"@id\":\"https:\\\/\\\/www.carnet.hr\\\/en\\\/upozorenje-sirenje-wannacry-ransomwarea\\\/\",\"url\":\"https:\\\/\\\/www.carnet.hr\\\/en\\\/upozorenje-sirenje-wannacry-ransomwarea\\\/\",\"name\":\"Upozorenje – \u0161irenje „WannaCry“ ransomwarea - CARNET\",\"isPartOf\":{\"@id\":\"https:\\\/\\\/www.carnet.hr\\\/#website\"},\"datePublished\":\"2017-05-13T11:34:28+00:00\",\"dateModified\":\"2018-11-30T15:09:13+00:00\",\"author\":{\"@id\":\"https:\\\/\\\/www.carnet.hr\\\/#\\\/schema\\\/person\\\/847905b26791ec33b8c026f20da4771c\"},\"description\":\"Pojavio se novi oblik prijetnje na Internetu – ransomware „WannaCry“ (poznat i kao „Wana Decrypt0r“, „WannaCryptor“ ili „WCRY“). 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