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Linux is a family of open source Unix-like operating systems based on the Linux kernel, an operating system kernel first released on September 17, 1991 by Linus Torvalds. Linux is typically packaged in a Linux distribution (or distro for short).

Distributions include the Linux kernel and supporting system software and libraries, many of which are provided by the GNU Project. Many Linux distributions use the word "Linux" in their name, but the Free Software Foundation uses the name GNU/Linux to emphasize the importance of GNU software, causing some controversy.

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Free Download Manager site redirected Linux users to malware for years (www.bleepingcomputer.com)

submitted 1 year ago by [email protected] to c/[email protected]

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A reported Free Download Manager supply chain attack redirected Linux users to a malicious Debian package repository that installed information-stealing malware.

The malware used in this campaign establishes a reverse shell to a C2 server and installs a Bash stealer that collects user data and account credentials.

Kaspersky discovered the potential supply chain compromise case while investigating suspicious domains, finding that the campaign has been underway for over three years.

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[–] [email protected] 5 points 1 year ago (1 children)

Interesting.

I feel I’ll save this rabbit hole for weekend and go and have a look at what they do.

[–] [email protected] 18 points 1 year ago (1 children)

The key thing to know is that a client can do an HTTP HEAD request to get just the Content-Length of the file, and then perform GET requests with the Range request header to fetch a specific chunk of a file.

This mechanism was introduced in HTTP 1.1 (byte-serving).

[–] [email protected] 5 points 1 year ago

Huh.. that’s super interesting and thanks for sharing.