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Safety Companies Discover Over 20 Malicious PyPI Packages Designed for Information Theft

By Ionut Arghire on August 17, 2022

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Safety corporations have recognized greater than 20 malicious PyPI packages designed to steal passwords and different delicate info from the victims’ machines.

Kaspersky is warning of two such packages – ‘ultrarequests’ and ‘pyquest’ – that have been masquerading as ‘requests’, a extremely widespread open supply package deal. The malicious repositories copied the outline from the legit package deal and contained pretend statistics.

The malicious packages contained almost an identical code as ‘requests’, however have been designed to write down to a brief file a one-liner Python script designed to fetch a next-stage script that in flip downloads and executes the ultimate payload.

Known as ‘W4SP Stealer’, the ultimate payload is a Python trojan that collects saved cookies and passwords from browsers and Discord tokens, and sends them to the risk actor through a Discord webhook.

“The stealer additionally creates and sends a listing of saved browser credentials for the URLs containing key phrases ‘mail’, ‘card’, ‘financial institution’, ‘purchase’, ‘promote’, and so forth. Aside from that, it gathers knowledge from the MetaMask, Atomic and Exodus wallets, in addition to Steam and Minecraft credentials,” Kaspersky explains.

The malware additionally searches the victims’ downloads, paperwork, and desktop directories for filenames containing particular phrases. Moreover, it downloads a JavaScript payload that will get injected into Discord and which displays sufferer actions associated to e-mail addresses, passwords, and billing info.

Snyk says they discovered twelve PyPI malware samples, all belonging to the identical risk actor: hackerfilelol, hackerfileloll, stealthpy, plutos, testpipper, testpipperz, pippytest, pippytests, cyphers, rblxtools, rbxtools, and rbxtool.

“These malicious packages tried to keep away from detection whereas infiltrating Home windows machines and executing malicious executable information downloaded from the Discord content material supply community (CDN) onto the host,” Snyk explains.

As soon as put in on the sufferer’s machine, the malware makes an attempt to steal knowledge from the Chrome browser – together with passwords, cookies, shopping and search histories, and bookmarks – in addition to tokens from Discord. It additionally injects a persistent malicious agent into Discord’s course of.

Based on Snyk, the malware can be abusing Discord assets for the distribution of executables. The ‘cyphers’ package deal additionally has a part designed to steal Roblox cookies and person knowledge.

Kaspersky’s and Snyk’s experiences come one week after Verify Level warned of ten malicious PyPI packages it had found: Ascii2text, Pyg-utils, Pymocks, PyProto2, Check-async, Free-net-vpn, Free-net-vpn2, Zlibsrc, Browserdiv, and WINRPCexploit.

Simply as beforehand described malware, these packages have been designed to reap victims’ credentials and to obtain and execute code from the web.

Associated: New OpenSSF Venture Hunts for Malicious Packages in Open Supply Repositories

Associated: 1,300 Malicious Packages Present in Widespread npm JavaScript Package deal Supervisor

Associated: PyPI Served Malicious Model of Widespread ‘Ctx’ Python Package deal

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