{"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\/da\/blog\/news\/v-rubygems-vyyavleno-724-vredonosnyh-paketa","title":{"rendered":"Der blev fundet 724 skadelige pakker i RubyGems","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

ReversingLabs Company offentliggjorde<\/a><\/noindex> resultater af anvendelsesanalyse type-squatting<\/a><\/noindex> i RubyGems-repositoriet. Type-squatting anvendes typisk til at sprede ondsindede pakker, der er designet til, at en uopm\u00e6rksom udvikler ved s\u00f8gning laver en tastefejl eller ikke bem\u00e6rker forskellene. I unders\u00f8gelsen blev der identificeret mere end 700 pakker, hvis navne ligner popul\u00e6re pakker og kun adskiller sig med mindre detaljer, s\u00e5som at erstatte lignende bogstaver eller bruge understregning i stedet for bindestreg. <\/p>\n

I mere end 400 pakker blev der fundet komponenter, der mist\u00e6nkes for at udf\u00f8re skadelige handlinger. Is\u00e6r indeholdt de en fil ved navn aaa.png, der indeholdt eksekverbar kode i PE-format. Disse pakker var relateret til to kontoer, hvorigennem der blev uploadet 724 ondsindede pakker<\/a><\/noindex>, som samlet set blev downloaded omkring 95 tusinde gange. Forskere informerede administrationen af RubyGems, og de identificerede ondsindede pakker er allerede fjernet fra repositoriet. <\/p>\n

Bland de identificerede problematiske pakker var den mest popul\u00e6re «atlas-client», som ved f\u00f8rste \u00f8jekast n\u00e6sten ikke kan skelnes fra den legitime pakke «atlas_client<\/a><\/noindex>«. Den n\u00e6vnte pakke blev hentet 2100 gange (den normale pakke blev hentet 6496 gange, dvs. brugerne fejlede i n\u00e6sten 25% af tilf\u00e6ldene). De \u00f8vrige pakker blev i gennemsnit hentet 100-150 gange og camouflagede sig selv som andre pakker ved hj\u00e6lp af en lignende teknik med at erstatte understregninger og bindestreger (for eksempel blandt ondsindede pakker<\/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

Malware packets included a PNG file, which contained an executable file for the Windows platform instead of an image. The file was created using the Ocra Ruby2Exe utility and included a self-extracting archive with a Ruby script and Ruby interpreter. Upon installation of the package, the png file was renamed to exe and executed. During execution, a file with VBScript was created and added to the startup. This malicious VBScript continuously analyzed the contents of the clipboard for information resembling cryptocurrency wallet addresses and, upon detection, replaced the wallet number with the expectation that the user would not notice the difference and would transfer funds to the wrong wallet. <\/p>\n

The conducted study showed that it is not difficult to add malicious packages to one of the most popular repositories, and these packages can remain unnoticed despite the significant number of downloads. It is worth noting that the problem ikke<\/a><\/noindex> is specific<\/a><\/noindex> for<\/a><\/noindex> to RubyGems and concerns other popular repositories. For example, last year the same researchers har identificeret<\/a><\/noindex> identified a malicious package bb-builder in the NPM repository, which used a similar technique for executing files to steal passwords. Prior to that, a backdoor was found<\/a><\/noindex> in the NPM package event-stream and the malicious code was downloaded about 8 million times. Malicious packages also periodically<\/a><\/noindex> emerge<\/a><\/noindex> in the PyPI repository.<\/p>\n

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

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

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