By Roman Sharkov San Downloaded a virus for Linux lately and unpacked it. Tried to run it as root, didn't work. Googled for 2 hours, found out that instead of /usr/local/bin the virus unpacked to /usr/bin for which the user malware doesn't have any write permissions, therefore the virus couldn't create a process file. Found patched . configure and .make files on some Chinese forum, recompiled Tem Cee The virus said it needs the library cmalw-lib-2.0. Turns out cmalw-lib-2.0 is shipped with CentOS but not with Ubuntu. Googled for hours again and found an instruction to build a .deb package from source. The virus finally started, wrote some logs, made a core dump and crashed. After 1 hour of going through the logs | discovered the virus assumed it was running on ext4 and called into its disk encryption API. Under btrfs this API is deprecated. The kernel noticed and made this partition read-only. Opened the sources, grep'ed the Bitcoin wallet and sent $5 out of pity.
https://media-akkoma-fedi-nlpagan-net.ilja.space/media/95eeed9c-a1f0-4ef9-ae79-228ff42258a7/virus.jpg
Paul
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