shell bypass 403
UnknownSec Shell
:
/
var
/
lib
/
dpkg
/
info
/ [
drwxr-xr-x
]
upload
mass deface
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console
info server
name :
nginx.postinst
#!/bin/sh set -e case "$1" in abort-upgrade|abort-remove|abort-deconfigure|configure) ;; triggered) if invoke-rc.d --quiet nginx status >/dev/null; then echo "Triggering nginx reload ..." invoke-rc.d nginx reload || true fi exit 0 ;; *) echo "postinst called with unknown argument \`$1'" >&2 exit 1 ;; esac if invoke-rc.d --quiet nginx status >/dev/null; then invoke-rc.d nginx upgrade || invoke-rc.d nginx restart exit $? else if [ -z "$(ss -nlt 'sport = 80' | grep -v ^State)" ]; then invoke-rc.d nginx start || exit $? else echo "Not attempting to start NGINX, port 80 is already in use." exit 0 fi fi exit 0
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