Printify
EXHIBIT 0015 — XZ UTILS
EXHIBIT 0015 — XZ UTILS
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It was caught because someone was benchmarking a database and the logins felt slow.
The backdoor in xz Utils took about three years to install, and almost none of that was code. It was commits, and patience, and a second account applying public pressure on an exhausted volunteer maintainer until a new co-maintainer was trusted with releases.
The payload never appeared in the git repository. It lived in binary files that looked like compression test fixtures, assembled during the build by a modified macro that only ran when the release tarball was used. Anyone auditing the source on GitHub would have found nothing, because there was nothing there.
The target was sshd, reached indirectly: many distributions patch it to link against systemd, which links against liblzma, which is xz. The backdoor hooked the RSA verification path.
Andres Freund, a PostgreSQL developer at Microsoft, noticed that failed SSH logins on a test machine were taking about half a second longer than they should, and that Valgrind was complaining. He pulled the thread on 29 March 2024.
Versions 5.6.0 and 5.6.1 had reached Debian sid, Fedora Rawhide, openSUSE Tumbleweed and Kali. They had not reached a stable enterprise release.
No scanner found it. No review found it. Half a second of latency found it.
EXHIBIT 0015 / XZ UTILS / 2024
Printing, size and care
Printing, size and care
Every exhibit is printed to order, direct to garment, by Monster Digital in Miami, Florida. The ink goes into the cotton rather than sitting on top of it, so there is no plastic feel and nothing to crack or peel. It fades the way a good print should: slowly, evenly, over years of washing.
The tee is a Gildan 64000 Softstyle. 100% ring-spun cotton on the solid colours; heathers and Sport Grey are cotton-poly blends. 4.5 oz, tape-reinforced shoulders, no side seams. Unisex, S to 3XL. The artwork is printed on the front, centred on the chest, about 8.5 inches wide by 12 inches tall.
The hoodie is a Gildan 18500 Heavy Blend. 50/50 cotton-poly, 8 oz, double-lined hood, front pouch pocket. Unisex, S to 5XL. The artwork is printed large on the back, about 9 inches wide by 12.5 inches tall, set below the hood so nothing hides under it. The UNHACKED emblem sits on the left chest at about 3.75 inches.
Care. Machine wash cold, inside out. Tumble dry low or hang. No bleach. Do not iron over the print. That is the whole list.
Shipping
Shipping
US shipping is free on every order, no minimum.
Every piece is printed when you order it, so nothing ships until the press runs. Monster Digital usually has an order printed and out the door within two business days. Allow five to eight business days from order to door in the US; most arrive sooner. You get a tracking number by email the moment it ships.
Everything ships from Miami, Florida. International orders are welcome: rates show at checkout, transit runs longer, and any customs duties are charged by your country, not by us.
Need to change or cancel? Email support@unhacked.shop right away. Orders go to print quickly, and once printing has started we cannot cancel, but the returns policy still covers you.
Returns and exchanges
Returns and exchanges
If we got it wrong, we replace it free and you do not ship anything back. Damaged, misprinted, defective, or the wrong item: email support@unhacked.shop within 30 days of delivery with your order number and a photo. Replacement at no cost, or a full refund if you would rather.
If the fit is wrong or you changed your mind, returns are accepted for 30 days from delivery on items that are unworn, unwashed, and in original condition. Email us with your order number for instructions. Return shipping on these is paid by you; the refund goes to your original payment method within 5 to 10 business days of our receiving it.
Exchanges. Fastest route is a return plus a new order. Email us and we will help you get the size right the second time.
Full policy: Refund policy.
