Arbitrary File Write to Root
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/etc/ld.so.preload
This file behaves like LD_PRELOAD
env variable but it also works in SUID binaries.
If you can create it or modify it, you can just add a path to a library that will be loaded with each executed binary.
For example: echo "/tmp/pe.so" > /etc/ld.so.preload
Git hooks
Git hooks are scripts that are run on various events in a git repository like when a commit is created, a merge... So if a privileged script or user is performing this actions frequently and it's possible to write in the .git
folder, this can be used to privesc.
For example, It's possible to generate a script in a git repo in .git/hooks
so it's always executed when a new commit is created:
Cron & Time files
TODO
Service & Socket files
TODO
binfmt_misc
The file located in /proc/sys/fs/binfmt_misc
indicates which binary should execute whic type of files. TODO: check the requirements to abuse this to execute a rev shell when a common file type is open.
Learn & practice AWS Hacking:HackTricks Training AWS Red Team Expert (ARTE)
Learn & practice GCP Hacking:
HackTricks Training GCP Red Team Expert (GRTE)
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