{"id":6456,"date":"2021-12-15T08:14:42","date_gmt":"2021-12-15T06:14:42","guid":{"rendered":"https:\/\/www.one-it.ro\/blog\/?p=6456"},"modified":"2021-12-17T15:45:09","modified_gmt":"2021-12-17T13:45:09","slug":"log4j-este-una-dintre-cele-mai-mari-amenintari-cibernetice-recente-sfaturi-si-recomandari-pentru-firme","status":"publish","type":"post","link":"https:\/\/www.one-it.ro\/blog\/log4j-este-una-dintre-cele-mai-mari-amenintari-cibernetice-recente-sfaturi-si-recomandari-pentru-firme\/","title":{"rendered":"Log4j este una dintre cele mai mari amenin\u0163\u0103ri cibernetice recente &#8211; sfaturi \u0219i recomand\u0103ri pentru firme"},"content":{"rendered":"\n\n<div class=\"kk-star-ratings kksr-auto kksr-align-right kksr-valign-top\"\n    data-payload='{&quot;align&quot;:&quot;right&quot;,&quot;id&quot;:&quot;6456&quot;,&quot;slug&quot;:&quot;default&quot;,&quot;valign&quot;:&quot;top&quot;,&quot;ignore&quot;:&quot;&quot;,&quot;reference&quot;:&quot;auto&quot;,&quot;class&quot;:&quot;&quot;,&quot;count&quot;:&quot;1&quot;,&quot;legendonly&quot;:&quot;&quot;,&quot;readonly&quot;:&quot;&quot;,&quot;score&quot;:&quot;5&quot;,&quot;starsonly&quot;:&quot;&quot;,&quot;best&quot;:&quot;5&quot;,&quot;gap&quot;:&quot;4&quot;,&quot;greet&quot;:&quot;Rate this post&quot;,&quot;legend&quot;:&quot;5\\\/5 - (1 vote)&quot;,&quot;size&quot;:&quot;12&quot;,&quot;width&quot;:&quot;78&quot;,&quot;_legend&quot;:&quot;{score}\\\/{best} - ({count} {votes})&quot;,&quot;font_factor&quot;:&quot;1.25&quot;}'>\n            \n<div class=\"kksr-stars\">\n    \n<div class=\"kksr-stars-inactive\">\n            <div class=\"kksr-star\" data-star=\"1\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 12px; height: 12px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"2\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 12px; height: 12px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"3\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 12px; height: 12px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"4\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 12px; height: 12px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" data-star=\"5\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 12px; height: 12px;\"><\/div>\n        <\/div>\n    <\/div>\n    \n<div class=\"kksr-stars-active\" style=\"width: 78px;\">\n            <div class=\"kksr-star\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 12px; height: 12px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 12px; height: 12px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 12px; height: 12px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 12px; height: 12px;\"><\/div>\n        <\/div>\n            <div class=\"kksr-star\" style=\"padding-right: 4px\">\n            \n\n<div class=\"kksr-icon\" style=\"width: 12px; height: 12px;\"><\/div>\n        <\/div>\n    <\/div>\n<\/div>\n                \n\n<div class=\"kksr-legend\" style=\"font-size: 9.6px;\">\n            5\/5 - (1 vote)    <\/div>\n    <\/div>\n<p><strong> <img decoding=\"async\" loading=\"lazy\" class=\"aligncenter size-full wp-image-6457\" src=\"https:\/\/www.one-it.ro\/blog\/wp-content\/uploads\/2021\/12\/vulnerability-hackers.jpg\" alt=\"Log4j Sfaturi\" width=\"2392\" height=\"1342\" srcset=\"https:\/\/www.one-it.ro\/blog\/wp-content\/uploads\/2021\/12\/vulnerability-hackers.jpg 2392w, https:\/\/www.one-it.ro\/blog\/wp-content\/uploads\/2021\/12\/vulnerability-hackers-221x124.jpg 221w, https:\/\/www.one-it.ro\/blog\/wp-content\/uploads\/2021\/12\/vulnerability-hackers-1024x575.jpg 1024w, https:\/\/www.one-it.ro\/blog\/wp-content\/uploads\/2021\/12\/vulnerability-hackers-768x431.jpg 768w, https:\/\/www.one-it.ro\/blog\/wp-content\/uploads\/2021\/12\/vulnerability-hackers-1536x862.jpg 1536w, https:\/\/www.one-it.ro\/blog\/wp-content\/uploads\/2021\/12\/vulnerability-hackers-2048x1149.jpg 2048w\" sizes=\"(max-width: 2392px) 100vw, 2392px\" \/><\/strong><\/p>\n<h2>Ce este Log4j, cum a ap\u0103rut vulnerabilitatea \u0219i de ce conteaz\u0103?<\/h2>\n<p>Pe 9 decembrie 2021, Apache a dezv\u0103luit <a href=\"https:\/\/nvd.nist.gov\/vuln\/detail\/CVE-2021-44228\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">CVE-2021-44228<\/a>, o vulnerabilitate de execu\u021bie a codului la distan\u021b\u0103 \u2013 <span style=\"color: #bd0000;\">atribuit\u0103 cu o severitate de 10 (cel mai mare scor de risc posibil)<\/span>.\u00a0Sursa vulnerabilit\u0103\u021bii este Log4j, o bibliotec\u0103 de jurnalizare folosit\u0103 \u00een mod obi\u0219nuit de o gam\u0103 larg\u0103 de aplica\u021bii \u0219i \u00een special versiuni p\u00e2n\u0103 la 2.14.1 (Not\u0103: aceast\u0103 vulnerabilitate este cunoscut\u0103 \u0219i sub numele de Log4Shell). Log4j este o bibliotec\u0103 open source, parte a\u00a0<a href=\"https:\/\/en.wikipedia.org\/wiki\/Apache_Logging_Services\" target=\"_blank\" rel=\"nofollow noopener noreferrer\">Apache Logging Services,<\/a>\u00a0scris\u0103 \u00een Java.\u00a0Lansarea ini\u021bial\u0103 a Java Development Kit (JDK) nu includea API-uri de \u00eenregistrare, astfel \u00eenc\u00e2t bibliotecile de \u00eenregistrare Java au c\u00e2\u0219tigat rapid popularitate, inclusiv Log4j.\u00a0Biblioteca Log4j este utilizat\u0103 pe scar\u0103 larg\u0103 de alte cadre, cum ar fi Elasticsearch, Kafka \u0219i Flink, care sunt de baz\u0103 pentru multe site-uri web \u0219i servicii populare.<\/p>\n<p>Aceasta defec\u021biune critic\u0103 \u00een software-ul utilizat pe scar\u0103 larg\u0103 \u00eei face pe exper\u021bii \u00een securitate cibernetic\u0103 s\u0103 trag\u0103 alarme, iar marile companii se gr\u0103besc pentru a remedia problema.<\/p>\n<p>\u201eEste omniprezent. Chiar dac\u0103 e\u0219ti un dezvoltator care nu folose\u0219te Log4j direct, s-ar putea s\u0103 rulezi \u00een continuare codul vulnerabil, deoarece una dintre bibliotecile open source pe care le folose\u0219ti depinde de Log4j\u201d, declar\u0103 Chris Eng, director de cercetare la firma de securitate cibernetic\u0103. Veracode, a declarat pentru CNN Business. \u201eAceasta este natura software-ului: broa\u0219te \u021bestoase p\u00e2n\u0103 la cap\u0103t.\u201d<\/p>\n<p>Companii precum Apple, IBM, Oracle, Cisco, Google \u0219i Amazon, toate ruleaz\u0103 software-ul. S-ar putea prezenta \u00een aplica\u021bii \u0219i site-uri web populare, iar sute de milioane de dispozitive din \u00eentreaga lume care acceseaz\u0103 aceste servicii ar putea fi expuse vulnerabilit\u0103\u021bii.<\/p>\n<h2>Recomand\u0103ri \u0219i sfaturi:<\/h2>\n<p><!--more--><\/p>\n<ol>\n<li><strong><span style=\"color: #800000;\">M\u0103suri de implementare pentru toate <a href=\"https:\/\/lists.apache.org\/thread\/d6v4r6nosxysyq9rvnr779336yf0woz4\" target=\"_blank\" rel=\"noopener noreferrer\">patch-urile<\/a><\/span> existente \u0219i m\u0103surile de atenuare recomandate de c\u0103tre furnizorii solu\u021biilor IT pe care le ave\u021bi instalate \u00een companie.\u00a0<\/strong><\/li>\n<li><strong><span style=\"color: #800000;\">Verifica\u021bi politica de BACKUP \u00een companie<\/span> &#8211; recomand\u0103m regula 3-2-1 pentru siguran\u021ba datelor &#8211; vezi aici detalii:<\/strong> <a href=\"https:\/\/www.one-it.ro\/blog\/regula-de-backup-3-2-1-pentru-siguranta-datelor-din-companie\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.one-it.ro\/blog\/regula-de-backup-3-2-1-pentru-siguranta-datelor-din-companie\/<\/a><\/li>\n<li><strong><span style=\"color: #800000;\">Minimizeaz\u0103 vulnerabilitatea Factorul uman<\/span><\/strong> &#8211; \u00cencurajeaz\u0103 oamenii s\u0103 fie aten\u021bi pe ce linkuri dau click, ce e-mailuri deschid \u0219i s\u0103 raporteze rapid incidentele &#8211; <span style=\"color: #800000;\">informa\u021bi oamenii din companie despre asemenea amenin\u021b\u0103ri (chiar prin distribuirea acestui articol sau altele similare).<\/span><\/li>\n<\/ol>\n<p>&nbsp;<\/p>\n<h3 style=\"padding-left: 40px;\"><span style=\"color: #000080;\"><strong>Construie\u0219te-\u021bi linia de ap\u0103rare \u00eempotriva atacurilor cibernetice<\/strong><\/span><\/h3>\n<p style=\"padding-left: 40px;\">Fii preg\u0103tit \u0219i con\u0219tient de amenin\u021b\u0103rile cibernetice \u0219i nu c\u0103dea \u00een capcana ideii <em>\u201eMie nu are cum s\u0103 mi se \u00eent\u00e2mple asta!\u201d<\/em>. \u00cen ultimii ani, chiar noi, la One-IT, am fost martorii efectelor dezastruoase ale unor atacuri cibernetice c\u0103tre firme locale \u0219i, datorit\u0103 interven\u021biei prompte \u0219i a tehnologiei, am reu\u0219it s\u0103 prevenim sau s\u0103 minimiz\u0103m impactul zero-day.<\/p>\n<p style=\"padding-left: 40px;\"><span style=\"color: #bd0000;\"><em>Pentru orice detalii suplimentare sau nel\u0103muriri legate de securitatea cibernetic\u0103 \u0219i ce po\u021bi implementa pentru a-\u021bi construi o linie de ap\u0103rare puternic\u0103, completeaz\u0103 urm\u0103torul formular de solicitare, iar noi te vom contacta \u00een cel mai scurt timp!<\/em><\/span><\/p>\n<p style=\"font-weight: 400; padding-left: 40px;\">\t\t<a\t\t\t\thref=\"javascript:void(0)\"\n\t\t\t\tclass=\"sgpb-show-popup sgpb-popup-id-4830\"\n\t\tdata-sgpbpopupid=\"4830\"\n\t\tdata-popup-event=\"click\"\n\t\t>\n\t\t<\/p>\n<p style=\"text-align: center\"><span style=\"color: #000000\"><img class=\"aligncenter wp-image-4180 \" src=\"https:\/\/www.one-it.ro\/blog\/wp-content\/uploads\/2020\/03\/button-2.png\" alt=\"work\" width=\"239\" height=\"52\" \/><\/span><br \/>\n<span style=\"color: #000000\">\t\t<\/a>\n\t\t<\/span><\/p>\n<p><strong>Cercet\u0103torii Bitdefender au confirmat atacuri reu\u0219ite care includ instalarea de instrumente pentru minat criptomonede, dar \u0219i tentative de atacuri pentru a infecta victimele cu ransomware.<\/strong><\/p>\n<p>Pe de-o parte, atacatorii \u00eencearc\u0103 s\u0103 instaleze Khonsari, o nou\u0103 familie de ransomware, pentru a \u021binti sistemele care ruleaz\u0103 sistemul de operare Windows. Cele mai multe dintre atacurile de p\u00e2n\u0103 acum au vizat \u00eens\u0103 serverele Linux.<\/p>\n<p>Hackerii \u00eencearc\u0103, de asemenea, s\u0103 foloseasc\u0103 vulnerabilitatea pentru a infecta c\u00e2t mai multe victime cu amenin\u021barea Orcus, care permite controlul dispozitivelor de la distan\u021b\u0103.<\/p>\n<p>Un alt mod de operare se refer\u0103 la o tehnic\u0103 specific\u0103 folosit\u0103 pentru a se instala \u00een sisteme \u00een vederea unei exploat\u0103ri ulterioare a acestora. Implementarea unui reverse shell pe aceste servere vulnerabile este relativ simplu de realizat \u0219i cel mai probabil va fi urmat\u0103 la un moment dat de un atac la scar\u0103 larg\u0103. Imediat ce au ap\u0103rut detalii despre modul de exploatare a vulnerabilit\u0103\u021bii, Bitdefender a observat o cre\u0219tere rapid\u0103 a num\u0103rului de scan\u0103ri \u00een mediul online, provenind de la grupuri care \u00eencercau s\u0103 descopere sisteme vulnerabile:\u00a0 <a href=\"https:\/\/www.bitdefender.com\/blog\/labs\/bitdefender-honeypots-signal-active-log4shell-0-day-attacks-underway-patch-immediately\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/www.bitdefender.com\/blog\/labs\/bitdefender-honeypots-signal-active-log4shell-0-day-attacks-underway-patch-immediately\/<\/a><\/p>\n<p>Nu \u00een ultimul r\u00e2nd, cercet\u0103torii Bitdefender au depistat mai multe re\u021bele de botnet care exploateaz\u0103 deja aceast\u0103 vulnerabilitate. Re\u021belele botnet vizeaz\u0103 serverele pentru a implementa backdoor-uri \u0219i pentru a-\u0219i extinde re\u021beaua. Pentru operatorii de botnet-uri, implementarea la scar\u0103 larg\u0103 este esen\u021bial\u0103 pentru succes. Monitorizarea activit\u0103\u021bii acestora este adesea o bun\u0103 predic\u021bie a c\u00e2t de periculoas\u0103 este cu adev\u0103rat o nou\u0103 vulnerabilitate \u0219i a evolu\u021biei atacurilor informatice.<\/p>\n<p>Mai multe detalii sunt disponibile \u00een cercetarea complet\u0103:\u00a0<a href=\"https:\/\/businessinsights.bitdefender.com\/technical-advisory-zero-day-critical-vulnerability-in-log4j2-exploited-in-the-wild\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/businessinsights.bitdefender.com\/technical-advisory-zero-day-critical-vulnerability-in-log4j2-exploited-in-the-wild<\/a><\/p>\n<p>Vulnerabilit\u0103\u021bii i s-a atribuit o gravitate de nivel zece (cel mai mare scor de risc posibil). Sursa vulnerabilit\u0103\u021bii este Log4j, o libr\u0103rie de logare utilizat\u0103 \u00een mod obi\u0219nuit de o gam\u0103 larg\u0103 de aplica\u021bii \u0219i servicii online.<\/p>\n<p>Bitdefender \u00ee\u0219i sf\u0103tuie\u0219te clien\u021bii s\u0103 ia m\u0103suri imediate \u0219i s\u0103 implementeze toate patch-urile existente \u0219i m\u0103surile de atenuare recomandate de c\u0103tre furnizorii din pia\u021b\u0103.<\/p>\n<p>Aici g\u0103si\u021bi \u0219i informa\u021bii legate de update-ul Apache Log4j 2:<br \/>\n<a href=\"https:\/\/logging.apache.org\/log4j\/2.x\/\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/logging.apache.org\/log4j\/2.x\/<\/a><\/p>\n<p>&nbsp;<\/p>\n<p>#StaySAFE<\/p>\n<p><span style=\"color: #808080;\">Sursa info:\u00a0<\/span><a href=\"https:\/\/businessinsights.bitdefender.com\/technical-advisory-zero-day-critical-vulnerability-in-log4j2-exploited-in-the-wild\" target=\"_blank\" rel=\"noopener noreferrer\">https:\/\/businessinsights.bitdefender.com<\/a><\/p>\n<p><span style=\"color: #808080;\">Sursa foto: Shutterstock.com<\/span><\/p>\n","protected":false},"excerpt":{"rendered":"<p>Ce este Log4j, cum a ap\u0103rut vulnerabilitatea \u0219i de ce conteaz\u0103? Pe 9 decembrie 2021, Apache a dezv\u0103luit CVE-2021-44228, o vulnerabilitate de execu\u021bie a codului la distan\u021b\u0103 \u2013 atribuit\u0103 cu o severitate de 10 (cel mai mare scor de risc posibil).\u00a0Sursa vulnerabilit\u0103\u021bii este Log4j, o bibliotec\u0103 de jurnalizare folosit\u0103 \u00een mod obi\u0219nuit de o gam\u0103 [&hellip;]<\/p>\n","protected":false},"author":1,"featured_media":6457,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"om_disable_all_campaigns":false,"_monsterinsights_skip_tracking":false,"_monsterinsights_sitenote_active":false,"_monsterinsights_sitenote_note":"","_monsterinsights_sitenote_category":0},"categories":[202,16],"tags":[290,320,234,168],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v20.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>Log4j este una dintre cele mai mari amenin\u0163\u0103ri cibernetice recente - sfaturi \u0219i recomand\u0103ri pentru firme - One-IT blog<\/title>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/www.one-it.ro\/blog\/log4j-este-una-dintre-cele-mai-mari-amenintari-cibernetice-recente-sfaturi-si-recomandari-pentru-firme\/\" \/>\n<meta property=\"og:locale\" content=\"ro_RO\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Log4j este una dintre cele mai mari amenin\u0163\u0103ri cibernetice recente - sfaturi \u0219i recomand\u0103ri pentru firme - One-IT blog\" \/>\n<meta property=\"og:description\" content=\"Ce este Log4j, cum a ap\u0103rut vulnerabilitatea \u0219i de ce conteaz\u0103? 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