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 0
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 4
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 0
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 0

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Create Solid Archive (best compression) with 7z

Creates a solid archive with the highest possible compression (Ultra). Advantage of 7z is that it will use all the processor cores to create the archive. (Ok. at least version 9.04 does)

Go to parent directory of filename edited in last command

Terminal redirection

Will redirect output of current session to another terminal, e.g. /dev/pts/3 Courtesy of bassu, http://www.commandlinefu.com/commands/by/bassu

extract audio from flv to mp3

Find usb device in realtime

Using this command you can track a moment when usb device was attached.

Convert a videos audio track to ogg vorbis.

Assumes you have ffmpeg and oggenc. Similar to other scripts here, but this time outputting to Ogg Vorbis. I added the variable assignment for a nice output name. This is part of an interactive bash script I have with a few little multimedia tasks in it. http://www.dward.us/software/VSAK.sh

Create a temporary file

To create directory, use: $ tempdir=$(/bin/mktemp -d)

Rename files in batch

Find the package that installed a command

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" }

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