Javier's Blog

Mostly computers and other tech stuff,...

Thursday, June 19, 2008

Sysadmin Notes

Pingsweep of subnet:
# nmap -sP 10.0.0.1-255


Get a list of users on Windows:
> net use \\x.x.x.x\ipc$ "" /USER:""
> net users


What is the password policy:
> net accounts


Recover a lost password:
> enum -u Aministrator -f c:\dict.txt -D x.x.x.x


Logon remotely:
> psexec \\x.x.x.x -u Administrator cmd.exe


Transfer a file with netcat:
$ nc -l -p 6969 > file.txt
$ nc somehost 6969 < file.txt


Listen for passwords flying on the subnet:
# sudo dsniff


Reset the root password on an old server:
$ sshnuke 10.2.2.2 -rootpw-"Z1ON0101"


Makeshift remote desktop:

From server:
vncserver

you will enter password and the server will start running on port 6000 or so. From client:
xvncviewer

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