Commands by lpanebr

Commands by lpanebr (4)

sorted by

find potentially malicious PHP commands used in backdoors and aliked scripts

Searched strings: passthru, shell_exec, system, phpinfo, base64_decode, chmod, mkdir, fopen, fclose, readfile Since some of the strings may occur in normal text or legitimately you will need to adjust the command or the entire regex to suit your needs.
This is sample output - yours may be different.
0

find ./public_html/ -name \*.php -exec grep -HRnDskip "$passthru\|shell_exec\|system\|phpinfo\|base64_decode\|chmod\|mkdir\|fopen\|fclose\|readfile$ *(" {} \;

lpanebr · 2013-04-03 12:42:19 9
Convert multiple images to multi page PDF (with specific page order)

Creates a PDF from multiple images. One page per image. If you want a specific arbitrary order you can use {1,3,5,10,12} * you may use jpg, tif etc ** if you do use jpg images you might want to add "-compress Zip" as suggested below to prevent from having the images from being re-compressed.
This is sample output - yours may be different.
0

convert {1..12}.png MyMultiPageFile.pdf

lpanebr · 2013-03-26 01:30:38 13
List available upgrades from apt (package names only)

Usefull if you only want to see the package names, or if you want to use them in a script.
This is sample output - yours may be different.
1

apt-get -s upgrade | awk '/Inst.+/ {print $2}'

lpanebr · 2013-03-25 21:23:11 5
List total available upgrades from apt without upgrading the system

This let's you find out the total packages that have available upgrades. Usefull if you want to check or show the total available upgrades on your system. Show Sample Output
This is sample output - yours may be different.
```
65 package updates are available
```
3

apt-get -s upgrade | awk '/[0-9]+ upgraded,/ {print $1 " package updates are available"}'

lpanebr · 2012-03-29 17:04:32 4

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Open a manpage in the default (graphical) web browser

An easy alias for opening a manpage, nicely HTML formatted, in your set internet browser. If you get a "command exited with status 3" error you need to install groff.

To create files with specific permission:

Dump audio from video without re-encoding.

This removes the video and subsequent file size and directly copies the audio.

Clean all .pyc files from current project. It cleans all the files recursively.

check for write/read permissions

su www-apache/ftp user and then check readable: find ~/ -type d $ -wholename '/dev/*' -o -wholename '/sys/*' -o -wholename '/proc/*' $ -prune -o -exec test -r {} \; -exec echo {} readable \; 2>/dev/null check writable: find ~/ -type d $ -wholename '/dev/*' -o -wholename '/sys/*' -o -wholename '/proc/*' $ -prune -o -exec test -w {} \; -exec echo {} writable \; 2>/dev/null

Which processes are listening on a specific port (e.g. port 80)

swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

tar exclude files or directories

If you want to exclude only one file or directory you should use as --exclude=file_or_directory

Terrorist threat level text

Convert seconds to [DD:][HH:]MM:SS

Converts any number of seconds into days, hours, minutes and seconds. sec2dhms() { declare -i SS="$1" D=$(( SS / 86400 )) H=$(( SS % 86400 / 3600 )) M=$(( SS % 3600 / 60 )) S=$(( SS % 60 )) [ "$D" -gt 0 ] && echo -n "${D}:" [ "$H" -gt 0 ] && printf "%02g:" "$H" printf "%02g:%02g\n" "$M" "$S" }

Count items in JSON array

Pipe any JSON to jq, then count with the appropiate expression and use the | length on the array

Stay in the loop…

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