{"id":78968,"date":"2020-04-23T13:42:01","date_gmt":"2020-04-23T11:42:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/v-rubygems-vyyavleno-724-vredonosnyh-paketa"},"modified":"2020-04-23T13:42:01","modified_gmt":"2020-04-23T11:42:01","slug":"v-rubygems-vyyavleno-724-vredonosnyh-paketa","status":"publish","type":"post","link":"https:\/\/prohoster.info\/it\/blog\/novosti-interneta\/v-rubygems-vyyavleno-724-vredonosnyh-paketa","title":{"rendered":"In RubyGems sono stati identificati 724 pacchetti dannosi","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Azienda ReversingLabs ha pubblicato<\/a><\/noindex> risultati dell'analisi dell'utilizzo typosquatting<\/a><\/noindex> nel repository di RubyGems. Di solito, il typo-squatting viene utilizzato per distribuire pacchetti malevoli, contando sul fatto che uno sviluppatore distratto possa commettere un errore di battitura durante la ricerca o non notare la differenza. Durante lo studio sono stati identificati oltre 700 pacchetti i cui nomi sono simili a quelli di pacchetti popolari, differenti solo per piccoli dettagli, come la sostituzione di lettere simili o l'uso di underscore al posto di trattini. <\/p>\n

In oltre 400 pacchetti sono stati trovati componenti sospettati di compiere azioni malevole. In particolare, all'interno \u00e8 stato trovato un file aaa.png contenente codice eseguibile in formato PE. I pacchetti menzionati erano collegati a due account che dal 16 al 25 febbraio 2020 hanno caricato 724 pacchetti malevoli<\/a><\/noindex>, che sono stati scaricati in totale circa 95mila volte. I ricercatori hanno informato l'amministrazione di RubyGems e i pacchetti malevoli identificati sono gi\u00e0 stati rimossi dal repository. <\/p>\n

Tra i pacchetti problematici identificati, il pi\u00f9 popolare \u00e8 risultato essere «atlas-client», che a prima vista \u00e8 praticamente indistinguibile dal pacchetto legittimo «atlas_client<\/a><\/noindex>«. Il pacchetto in questione \u00e8 stato scaricato 2100 volte (mentre il pacchetto normale \u00e8 stato scaricato 6496 volte, cio\u00e8 gli utenti hanno commesso errori in quasi il 25% dei casi). Gli altri pacchetti sono stati scaricati in media 100-150 volte e si camuffavano da altri pacchetti utilizzando tecniche simili di sostituzione tra underscore e trattini (ad esempio, tra pacchetti dannosi<\/a><\/noindex>: appium-lib, action-mailer_cache_delivery, activemodel_validators, asciidoctor_bibliography, assets-pipeline, apress_validators, ar_octopus-replication-tracking, aliyun-open_search, aliyun-mns, ab_split, apns-polite).<\/p>\n

I pacchetti dannosi includevano un file PNG, nel quale invece dell'immagine era presente un file eseguibile per piattaforme Windows. Il file era stato creato utilizzando lo strumento Ocra Ruby2Exe e includeva un archivio autoestraente con uno script Ruby e un interprete Ruby. Durante l'installazione del pacchetto, il file png veniva rinominato in exe e avviato. In fase di esecuzione, veniva creato e aggiunto un file VBScript all'avvio automatico. Questo VBScript dannoso analizzava in un ciclo il contenuto degli appunti alla ricerca di informazioni simili agli indirizzi di portafogli crittografici e, in caso di individuazione, sostituiva il numero del portafoglio, confidando che l'utente non notasse differenze e trasferisse i fondi non nel portafoglio corretto. <\/p>\n

La ricerca condotta ha mostrato che non \u00e8 difficile aggiungere pacchetti dannosi in uno dei repository pi\u00f9 popolari e che questi pacchetti possono rimanere inosservati, nonostante un numero significativo di download. \u00c8 importante notare che il problema non<\/a><\/noindex> \u00e8 specifico<\/a><\/noindex> per<\/a><\/noindex> per RubyGems e concerne anche altri repository popolari. Ad esempio, l'anno scorso gli stessi ricercatori hanno identificato<\/a><\/noindex> nel repository NPM \u00e8 stato trovato un pacchetto malevolo bb-builder, che utilizza una tecnica simile di esecuzione di file per rubare password. Prima di questo, un backdoor \u00e8 stato trovato<\/a><\/noindex> in dipendenza dal pacchetto NPM event-stream e il codice malevolo \u00e8 stato scaricato circa 8 milioni di volte. Anche i pacchetti malevoli riappaiono<\/a><\/noindex> occasionalmente<\/a><\/noindex> nel repository PyPI.<\/p>\n

<\/a><\/noindex><\/p>\n

Fonte: opennet.ru<\/a><\/p>","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"excerpt":{"rendered":"

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