Hashcat

Identifying hashes

$1$  : MD5
$2a$ : Blowfish
$2y$ : Blowfish, with correct handling of 8 bit characters
$5$  : SHA256
$6$  : SHA512

Identify Hash with Hashid

 hashid '$apr1$71850310$gh9m4xcAn3MGxogwX/ztb.’

hashid hashes.txt 

Identifying Hashcat mode with Hashid

hashid '$DCC2$10240#tom#e4e938d12fe5974dc42a90120bd9c90f' -m

HASHCAT

Hashcat - Example Hashes

hashcat --example-hashes | less

Hashcat - Syntax

hashcat -a 0 -m <hash type> <hash file> <wordlist>

Combination Attack

hashcat -a 1 --stdout file1 file2

Hashcat Syntax

hashcat -a 1 -m <hash type> <hash file> <wordlist1> <wordlist2>

MASK ATTACK

Placeholder	Meaning
?l	lower-case ASCII letters (a-z)
?u	upper-case ASCII letters (A-Z)
?d	digits (0-9)
?h	0123456789abcdef
?H	0123456789ABCDEF
?s	special characters («space»!"#$%&'()*+,-./:;<=>?@[]^_`{
?a	?l?u?d?s
?b	0x00 - 0xff

Mask Attack Syntax

'ILFREIGHTabcxy2015’

hashcat -a 3 -m 0 md5_mask_example_hash -1 01 'ILFREIGHT?l?l?l?l?l20?1?d’

HYBRID ATTACK

Hashcat - Hybrid Attack using Wordlists

football1$

hashcat -a 6 -m 0 hybrid_hash <wordlist> '?d?s’

2015football

hashcat -a 7 -m 0 hybrid_hash_prefix -1 01 '20?1?d' <wordlist>

Creating Custom Wordlists

Crunch Syntax

crunch <minimum length> <maximum length> <charset> -t <pattern> -o <output file>

Crunch Generate Wordlist

crunch 4 8 -o wordlist

Crunch Wordlist Using Pattern

ILFREIGHTYYYYXXXX

crunch 17 17 -t ILFREIGHT201%@@@@ -o wordlist

Crunch - Create Word List using Pattern

crunch 12 12 -t 10031998@@@@ -d 1 -o wordlist

The "-d" option is used to specify the amount of repetition