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 a mirror of a local folder, on a remote server

Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

Find broken symlinks and delete them

recursively deletes all broken symlinks using zsh globbing syntax.

Insert the last argument of the previous command

list block devices

Shows all block devices in a tree with descruptions of what they are.

USE WITH CAUTION: perminately delete old kernel packages

Draw kernel module dependancy graph.

parse "lsmod" output to "dot" format and pass it to "display". Without perl!

Find name of package which installed a given shell command

Some command names are very different from the name of the package that installed them. Sometimes, you may want to find out the name of the package that provided a command on a system, so that you can install it on another system.

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"

Start dd and show progress every X seconds

make computer speaking to you :)

you can listen to your computer, but don't be carried away

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