Istra\u017eiva\u010dka laboratorija 360 Netlab izvijestila je o otkri\u0107u novog zlo\u0107udnog softvera za Linux, koji nosi kodno ime RotaJakiro i uklju\u010duje implementaciju backdoora koji omogu\u0107ava upravljanje sustavom. Zlo\u0107udni softver mogao je biti instaliran od strane napada\u010da eksploatacijom neispravljenih ranjivosti u sustavu ili upotrebom nesigurnih lozinki. <\/p>\n
Backdoor je otkriven tijekom analize sumnjivog prometa od jednog od sistemskih procesa, koji je uo\u010den tijekom analize strukture botneta kori\u0161tenog za DDoS napad. Prije toga, RotaJakiro je ostao neprimije\u0107en tri godine, pri \u010demu su prvi poku\u0161aji provjere na usluzi VirusTotal datoteka s MD5 hash kodovima koji se podudaraju s otkrivenim zlo\u0107udnim softverom datirani u svibnju 2018. godine. <\/p>\n
Jedna od zna\u010dajki RotaJakiroa je kori\u0161tenje razli\u010ditih tehnika maskiranja prilikom pokretanja s pravima neprivilegiranog korisnika i root-a. Kako bi prikrio svoje prisustvo, backdoor je koristio imena procesa systemd-daemon, session-dbus i gvfsd-helper, koja su, s obzirom na pretrpanost modernih Linux distribucija raznim pomo\u0107nim procesima, na prvi pogled izgledala legitimno i nisu budila sumnju. <\/p>\n
Pri pokretanju s pravima root-a, za aktivaciju zlo\u0107udnog softvera kreirani su skripti \/etc\/init\/systemd-agent.conf i \/lib\/systemd\/system\/sys-temd-agent.service, a sama zlo\u0107udna izvr\u0161na datoteka pohranjivala se kao \/bin\/systemd\/systemd-daemon i \/usr\/lib\/systemd\/systemd-daemon (funkcionalnost je duplicirana u dvije datoteke). Prilikom izvr\u0161enja s pravima obi\u010dnog korisnika kori\u0161ten je datoteku za automatsko pokretanje $HOME\/.config\/auto-start\/gnomehelper.desktop i vr\u0161ene su promjene u .bashrc, dok se izvr\u0161na datoteka pohranjivala kao $HOME\/.gvfsd\/.profile\/gvfsd-helper i $HOME\/.dbus\/sessions\/session-dbus. Paralelno su bila pokrenuta oba izvr\u0161na datoteka, od kojih je svaka pratila prisutnost druge i obnavljala je u slu\u010daju zavr\u0161etka rada. <\/p>\n
Kako bi prikrio rezultate svoje aktivnosti, u backdoor-u su kori\u0161teni razli\u010diti algoritmi enkripcije, na primjer, za enkripciju svojih resursa kori\u0161ten je AES, a za skrivanje komunikacijskog kanala s upravlja\u010dem serverom<\/a> kombinacija AES-a, XOR-a i ROTATE-a u kombinaciji sa kompresijom pomo\u0107u ZLIB. <\/p>\n Za upravljanje zlonamjernim programima koristi se 4 domene putem mre\u017enog porta 443 (u komunikaciji se koristio vlastiti protokol, umjesto HTTPS i TLS). Domene (cdn.mirror-codes.net, status.sublineover.net, blog.eduelects.com i news.thaprior.net) registrirane su 2015. godine i hostane su kod kijevskog hosting provajdera<\/a> Deltahost. U backdoor je integrirano 12 osnovnih funkcija koje su omogu\u0107avale u\u010ditavanje i izvo\u0111enje dodataka s pro\u0161irenom funkcionalno\u0161\u0107u, preno\u0161enje podataka o ure\u0111aju, presretanje povjerljivih podataka i upravljanje lokalnim datotekama. \u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0430\u044f \u043b\u0430\u0431\u043e\u0440\u0430\u0442\u043e\u0440\u0438\u044f 360 Netlab \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u0438 \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u043e\u0433\u043e \u041f\u041e \u0434\u043b\u044f Linux, \u043f\u043e\u043b\u0443\u0447\u0438\u0432\u0448\u0435\u0433\u043e \u043a\u043e\u0434\u043e\u0432\u043e\u0435 \u0438\u043c\u044f RotaJakiro \u0438 \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0431\u044d\u043a\u0434\u043e\u0440\u0430, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u043e\u0439. \u0412\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u043e\u0435 \u041f\u041e \u043c\u043e\u0433\u043b\u043e \u0431\u044b\u0442\u044c \u0443\u0441\u0442\u0430\u043d\u043e\u0432\u043b\u0435\u043d\u043e \u0430\u0442\u0430\u043a\u0443\u044e\u0449\u0438\u043c\u0438 \u043f\u043e\u0441\u043b\u0435 \u044d\u043a\u0441\u043f\u043b\u0443\u0430\u0442\u0430\u0446\u0438\u0438 \u043d\u0435\u0438\u0441\u043f\u0440\u0430\u0432\u043b\u0435\u043d\u043d\u044b\u0445 \u0443\u044f\u0437\u0432\u0438\u043c\u043e\u0441\u0442\u0435\u0439 \u0432 \u0441\u0438\u0441\u0442\u0435\u043c\u0435 \u0438\u043b\u0438 \u043f\u043e\u0434\u0431\u043e\u0440\u0430 \u043d\u0435\u043d\u0430\u0434\u0451\u0436\u043d\u044b\u0445 \u043f\u0430\u0440\u043e\u043b\u0435\u0439. \u0411\u044d\u043a\u0434\u043e\u0440 \u0431\u044b\u043b \u043e\u0431\u043d\u0430\u0440\u0443\u0436\u0435\u043d \u0432 \u0445\u043e\u0434\u0435 \u0430\u043d\u0430\u043b\u0438\u0437\u0430 \u043f\u043e\u0434\u043e\u0437\u0440\u0438\u0442\u0435\u043b\u044c\u043d\u043e\u0433\u043e \u0442\u0440\u0430\u0444\u0438\u043a\u0430 \u043e\u0442 \u043e\u0434\u043d\u043e\u0433\u043e \u0438\u0437 \u0441\u0438\u0441\u0442\u0435\u043c\u043d\u044b\u0445 \u043f\u0440\u043e\u0446\u0435\u0441\u0441\u043e\u0432, \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u043d\u043e\u0433\u043e \u043f\u0440\u0438 \u0440\u0430\u0437\u0431\u043e\u0440\u0435 […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-100066","post","type-post","status-publish","format-standard","hentry","category-news"],"aioseo_notices":[],"aioseo_head":"\n\t\t\n\t\n\t\n\t\n\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\t\t\n\n","aioseo_head_json":{"title":"\ud83e\udd47RotaJakiro \u2014 novi zlonamjerni softver za Linux, koji se maskira kao proces systemd | ProHoster","description":"Istra\u017eiva\u010dka laboratorija 360 Netlab izvijestila je o otkri\u0107u novog zlonamjernog softvera za Linux, kodnog imena RotaJakiro, koji uklju\u010duje implementaciju backdoora koji omogu\u0107uje upravljanje sustavom.","canonical_url":"https:\/\/prohoster.info\/hr\/blog\/news\/rotajakiro-novoe-vredonosnoe-po-dlya-linux-maskiruyushheesya-pod-proczess-systemd","robots":"max-image-preview:large","keywords":"","webmasterTools":{"miscellaneous":""},"schema":null,"og:locale":"hr_HR","og:site_name":"ProHoster | \u041a\u0443\u043f\u0438\u0442\u044c \u043d\u0430\u0434\u0435\u0436\u043d\u044b\u0439 \u0445\u043e\u0441\u0442\u0438\u043d\u0433 \u0434\u043b\u044f \u0441\u0430\u0439\u0442\u043e\u0432 \u0441 \u0437\u0430\u0449\u0438\u0442\u043e\u0439 \u043e\u0442 DDoS, VPS VDS \u0441\u0435\u0440\u0432\u0435\u0440\u044b","og:type":"article","og:title":"\ud83e\udd47RotaJakiro \u2014 \u043d\u043e\u0432\u043e\u0435 \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u043e\u0435 \u041f\u041e \u0434\u043b\u044f Linux, \u043c\u0430\u0441\u043a\u0438\u0440\u0443\u044e\u0449\u0435\u0435\u0441\u044f \u043f\u043e\u0434 \u043f\u0440\u043e\u0446\u0435\u0441\u0441 systemd | ProHoster","og:description":"\u0418\u0441\u0441\u043b\u0435\u0434\u043e\u0432\u0430\u0442\u0435\u043b\u044c\u0441\u043a\u0430\u044f \u043b\u0430\u0431\u043e\u0440\u0430\u0442\u043e\u0440\u0438\u044f 360 Netlab \u0441\u043e\u043e\u0431\u0449\u0438\u043b\u0430 \u043e \u0432\u044b\u044f\u0432\u043b\u0435\u043d\u0438\u0438 \u043d\u043e\u0432\u043e\u0433\u043e \u0432\u0440\u0435\u0434\u043e\u043d\u043e\u0441\u043d\u043e\u0433\u043e \u041f\u041e \u0434\u043b\u044f Linux, \u043f\u043e\u043b\u0443\u0447\u0438\u0432\u0448\u0435\u0433\u043e \u043a\u043e\u0434\u043e\u0432\u043e\u0435 \u0438\u043c\u044f RotaJakiro \u0438 \u0432\u043a\u043b\u044e\u0447\u0430\u044e\u0449\u0435\u0433\u043e \u0440\u0435\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044e \u0431\u044d\u043a\u0434\u043e\u0440\u0430, \u043f\u043e\u0437\u0432\u043e\u043b\u044f\u044e\u0449\u0435\u0433\u043e \u0443\u043f\u0440\u0430\u0432\u043b\u044f\u0442\u044c \u0441\u0438\u0441\u0442\u0435\u043c\u043e\u0439.","og:url":"https:\/\/prohoster.info\/hr\/blog\/news\/rotajakiro-novoe-vredonosnoe-po-dlya-linux-maskiruyushheesya-pod-proczess-systemd","og:image":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:secure_url":"https:\/\/prohoster.info\/wp-content\/uploads\/2021\/11\/logo-350.jpg","og:image:width":350,"og:image:height":350,"article:published_time":"2021-04-30T14:23:09+00:00","article:modified_time":"2021-04-30T14:23:09+00:00","article:publisher":"https:\/\/www.facebook.com\/prohoster","article:author":"https:\/\/www.facebook.com\/prohoster"},"aioseo_meta_data":{"post_id":"100066","title":null,"description":null,"keywords":null,"keyphrases":null,"primary_term":null,"canonical_url":null,"og_title":null,"og_description":null,"og_object_type":"default","og_image_type":"default","og_image_url":null,"og_image_width":null,"og_image_height":null,"og_image_custom_url":null,"og_image_custom_fields":null,"og_video":null,"og_custom_url":null,"og_article_section":null,"og_article_tags":null,"twitter_use_og":false,"twitter_card":"default","twitter_image_type":"default","twitter_image_url":null,"twitter_image_custom_url":null,"twitter_image_custom_fields":null,"twitter_title":null,"twitter_description":null,"schema":{"blockGraphs":[],"customGraphs":[],"default":{"data":{"Article":[],"Course":[],"Dataset":[],"FAQPage":[],"Movie":[],"Person":[],"Product":[],"ProductReview":[],"Car":[],"Recipe":[],"Service":[],"SoftwareApplication":[],"WebPage":[]},"graphName":"","isEnabled":true},"graphs":[]},"schema_type":null,"schema_type_options":null,"pillar_content":false,"robots_default":true,"robots_noindex":false,"robots_noarchive":false,"robots_nosnippet":false,"robots_nofollow":false,"robots_noimageindex":false,"robots_noodp":false,"robots_notranslate":false,"robots_max_snippet":null,"robots_max_videopreview":null,"robots_max_imagepreview":"large","priority":null,"frequency":null,"local_seo":null,"seo_analyzer_scan_date":null,"breadcrumb_settings":null,"limit_modified_date":false,"reviewed_by":null,"ai":null,"created":"2021-04-30 14:30:04","updated":"2026-02-09 21:46:38","focus_keyword":null,"additional_keywords":null,"truseo_locale":null},"gt_translate_keys":[{"key":"link","format":"url"}],"_links":{"self":[{"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/posts\/100066","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/comments?post=100066"}],"version-history":[{"count":2,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/posts\/100066\/revisions"}],"predecessor-version":[{"id":160289,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/posts\/100066\/revisions\/160289"}],"wp:attachment":[{"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/media?parent=100066"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/categories?post=100066"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/prohoster.info\/hr\/wp-json\/wp\/v2\/tags?post=100066"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}
\n
Izvor: opennet.ru<\/a> <\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"