{"id":104558,"date":"2022-06-30T09:37:00","date_gmt":"2022-06-30T07:37:01","guid":{"rendered":"https:\/\/prohoster.info\/blog\/novosti-interneta\/packj-instrumentarij-dlya-vyyavleniya-vredonosnyh-bibliotek-na-yazykah-python-i-javascript"},"modified":"2022-06-30T09:37:00","modified_gmt":"2022-06-30T07:37:01","slug":"packj-instrumentarij-dlya-vyyavleniya-vredonosnyh-bibliotek-na-yazykah-python-i-javascript","status":"publish","type":"post","link":"https:\/\/prohoster.info\/pt\/blog\/news\/packj-instrumentarij-dlya-vyyavleniya-vredonosnyh-bibliotek-na-yazykah-python-i-javascript","title":{"rendered":"Packj — ferramenta para detectar bibliotecas maliciosas em Python e JavaScript","gt_translate_keys":[{"key":"rendered","format":"text"}]},"content":{"rendered":"

Os desenvolvedores da plataforma Packj, que analisa a seguran\u00e7a de bibliotecas, publicaram um kit de ferramentas de linha de comando de c\u00f3digo aberto que permite identificar constru\u00e7\u00f5es arriscadas em pacotes que podem estar relacionadas \u00e0 implementa\u00e7\u00e3o de atividades maliciosas ou \u00e0 presen\u00e7a de vulnerabilidades utilizadas para realizar ataques em projetos que utilizam os pacotes em quest\u00e3o («supply chain»). A verifica\u00e7\u00e3o de pacotes nas linguagens Python e JavaScript, hospedados nos diret\u00f3rios PyPi e NPM, \u00e9 suportada (neste m\u00eas, tamb\u00e9m est\u00e1 prevista a adi\u00e7\u00e3o de suporte para Ruby e RubyGems). O c\u00f3digo do kit de ferramentas \u00e9 escrito em Python e \u00e9 distribu\u00eddo sob a licen\u00e7a AGPLv3. <\/p>\n

Durante a an\u00e1lise de 330 mil pacotes usando a ferramenta proposta no reposit\u00f3rio PyPi, foram identificados 42 pacotes maliciosos com backdoors e 2,4 mil pacotes arriscados. No processo de investiga\u00e7\u00e3o, \u00e9 realizada uma an\u00e1lise est\u00e1tica de c\u00f3digo para identificar caracter\u00edsticas da API e avaliar a presen\u00e7a de vulnerabilidades conhecidas, registradas no banco de dados OSV. O pacote MalOSS \u00e9 utilizado para analisar a API. O c\u00f3digo dos pacotes \u00e9 analisado quanto \u00e0 presen\u00e7a de padr\u00f5es t\u00edpicos, geralmente usados em malware. Os padr\u00f5es foram preparados com base no estudo de 651 pacotes com atividade maliciosa confirmada. <\/p>\n

Tamb\u00e9m s\u00e3o identificados atributos e metadados que aumentam o risco de uso indevido, como a execu\u00e7\u00e3o de blocos atrav\u00e9s de «eval» ou «exec», a forma\u00e7\u00e3o de novo c\u00f3digo durante a execu\u00e7\u00e3o, o uso de t\u00e9cnicas de embaralhamento e oculta\u00e7\u00e3o de c\u00f3digo (obfuscated), manipula\u00e7\u00e3o de vari\u00e1veis de ambiente, acesso n\u00e3o autorizado a arquivos, chamadas a recursos de rede em scripts de instala\u00e7\u00e3o (setup.py), uso de type squatting (atribui\u00e7\u00e3o de nomes semelhantes a bibliotecas populares), a identifica\u00e7\u00e3o de projetos desatualizados e abandonados, a especifica\u00e7\u00e3o de e-mails e sites inexistentes, e a aus\u00eancia de um reposit\u00f3rio p\u00fablico com o c\u00f3digo. <\/p>\n

Adicionalmente, pode-se notar a identifica\u00e7\u00e3o por outros pesquisadores de seguran\u00e7a de cinco pacotes maliciosos no reposit\u00f3rio PyPi, que enviavam para fora servidor<\/a> o conte\u00fado de vari\u00e1veis de ambiente visando o roubo de tokens para AWS e sistemas de integra\u00e7\u00e3o cont\u00ednua: loglib-modules (apresentados como m\u00f3dulos da biblioteca leg\u00edtima loglib), pyg-modules, pygrata e pygrata-utils (apresentados como complementos da biblioteca leg\u00edtima pyg) e hkg-sol-utils. <\/ul>\n

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

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\u043f\u0440\u043e\u0432\u0435\u0440\u043a\u0430 \u043f\u0430\u043a\u0435\u0442\u043e\u0432 \u043d\u0430 \u044f\u0437\u044b\u043a\u0430\u0445 Python \u0438 JavaScript, \u0440\u0430\u0437\u043c\u0435\u0449\u0451\u043d\u043d\u044b\u0445 \u0432 \u043a\u0430\u0442\u0430\u043b\u043e\u0433\u0430\u0445 PyPi \u0438 NPM (\u0432 \u044d\u0442\u043e\u043c […]<\/p>\n","protected":false,"gt_translate_keys":[{"key":"rendered","format":"html"}]},"author":1,"featured_media":104559,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[702],"tags":[],"class_list":["post-104558","post","type-post","status-publish","format-standard","has-post-thumbnail","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\udd47Packj \u2014 ferramenta para identificar bibliotecas 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