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About Charo

UsernameCharo
CountryJapan
Member since2014-10-08
Coins0
Points423
Write-up with special mention0
Ranking41 / 18392
Challenges completed119 / 270

Challenge Write-up with special mention
Validation date Challenge Number of points
2017-01-16 00:17:40
Reverse Engineering
Pwndr3 Authenticator
5
2017-01-15 22:31:22
Reverse Engineering
Phenix Golgoth
5
2016-10-25 01:22:28
Reverse Engineering
Can I speak with the kernel?
5
2016-08-19 02:07:49
Web
Facebook will never forget this one
3
2016-08-19 00:30:16
Web
I hate this one
6
2016-08-18 20:38:13
Web
Password reset reloaded
3
2016-08-12 02:19:55
Web
PHP feature or 0day?
3
2016-08-12 02:01:15
Web
Looking for the flag?
3
2016-08-09 04:28:50
JavaScript
WTF Lol!
6
2016-08-09 02:50:11
JavaScript
Valid key required
2
2016-08-08 23:21:21
Cryptography
Crypto is not good as you think
8
2016-08-04 04:14:24
Cryptography
TotalSecure Message Encrypter
6
2016-08-04 01:12:06
Pwnage Linux
Just another useless service
8
2016-08-03 22:47:55
Cryptography
Martian message part 3
3
2016-08-03 22:19:55
Jail Escaping
PyJail 2
5
2016-08-03 04:36:05
Jail Escaping
PyJail 1
3
2016-08-03 03:55:59
Cryptography
Encrypted Zip
4
2016-08-02 21:57:02
Coding challenges
Execute me if you can again
6
2016-08-02 04:32:12
SysAdmin Linux
SysAdmin Part 7
4
2016-08-02 04:17:05
SysAdmin Linux
SysAdmin Part 6
3
2016-08-02 03:52:53
SysAdmin Linux
SysAdmin Part 3
1
2016-08-02 03:43:53
SysAdmin Linux
SysAdmin Part 2
1
2016-08-02 03:41:52
SysAdmin Linux
SysAdmin Part 1
1
2016-08-02 03:15:52
SysAdmin Linux
SysAdmin Part 8
4
2016-08-02 02:57:55
SysAdmin Linux
SysAdmin Part 4
2
2016-07-10 23:15:25
Coding challenges
Find the right word
7
2016-06-23 20:47:30
Reverse Engineering
Need a client
6
2016-06-22 04:36:16
Reverse Engineering
Update Manager
6
2016-06-21 22:23:47
Reverse Engineering
Back to our roots
5
2016-06-20 04:41:58
Reverse Engineering
ASM Lovers
4
2016-06-12 12:03:54
Pwnage Linux
Delivery As A Service
10
2016-04-27 10:21:21
Pwnage Linux
Base64 As A Service Reloaded
9
2016-04-23 11:47:09
Jail Escaping
PHP Jail 2
2
2016-04-23 11:42:03
Jail Escaping
PHP Jail 1
1
2016-04-23 07:24:42
Jail Escaping
Bash Jail 4
4
2016-04-23 05:43:01
Jail Escaping
Bash Jail 3
3
2016-04-23 05:13:10
Jail Escaping
Bash Jail 2
2
2016-04-23 05:08:45
Jail Escaping
Bash Jail 1
1
2016-04-23 04:41:22
Pwnage Linux
Base64 As A Service
8
2016-01-08 00:04:42
Web
Big Brother is watching
1
2015-12-17 01:48:37
Reverse Engineering
Smart enough?
5
2015-12-17 00:44:28
Forensics
3 / 3 Suspicious account password?
4
2015-12-17 00:43:00
Forensics
1 / 3 Do not waste the environment
2
2015-12-17 00:39:51
Forensics
2 / 3 Did you see my desktop?
3
2015-11-13 00:20:22
Reverse Engineering
Let's take a detour
4
2015-11-12 01:06:34
Pwnage Linux
Take over the Virtual World
8
2015-11-03 19:15:07
Pwnage Linux
Level4 Pwnage Linux x86_64
7
2015-11-03 13:18:29
Reverse Engineering
Heap allocator
3
2015-11-03 01:48:37
Pwnage Linux
Level3 Pwnage Linux x86_64
7
2015-11-02 01:00:51
Pwnage Linux
Sometime there is no buffer overflow
4
2015-11-02 00:45:21
Pwnage Linux
Level2 Pwnage Linux x86_64
4
2015-11-01 21:49:32
Pwnage Linux
Remote Auth
2
2015-10-29 01:30:49
Reverse Engineering
Introduction to MIPS
3
2015-10-28 04:38:32
Shellcoding
Linux x64 shellcoding level 5
10
2015-10-28 03:08:38
Shellcoding
Linux x64 shellcoding level 4
8
2015-10-28 01:30:49
Shellcoding
Linux x64 shellcoding level 3
6
2015-09-14 03:43:44
Malware Analysis
Capture 1 Part 2
1
2015-09-14 02:03:35
Malware Analysis
Capture 1 Part 1
1
2015-06-29 02:10:40
Reverse Engineering
Virtual World
5
2015-06-04 12:59:53
Pwnage Linux
Can you get the service password
4
2015-06-04 12:30:27
Web
Unreadable captcha
2
2015-06-04 11:00:23
Cryptography
Hangovers and more: Bacon
3
2015-06-04 10:51:29
Cryptography
I Lost my password
3
2015-06-04 03:53:41
Coding challenges
Classic Sudoku
7
2015-06-04 03:25:08
Coding challenges
Number game
7
2015-06-04 00:37:27
Steganography
Hidden In Plain Sight
2
2015-06-01 13:10:19
Web
Propaganda mail
4
2015-05-15 03:14:12
Reverse Engineering
Wrong byte!
4
2015-05-15 02:05:50
Reverse Engineering
Kernel introduction
3
2015-05-14 04:28:49
Reverse Engineering
Introduction to ARM
4
2015-05-13 01:53:06
Steganography
Victor you're hidding me something
1
2015-05-12 22:48:33
SQL Injection
Login portal 2
3
2015-05-12 22:25:34
SQL Injection
Login portal 1
2
2015-04-28 01:01:43
Coding challenges
Execute me if you can
5
2015-04-27 03:51:16
Forensics
Poor internet connection
4
2015-04-27 03:19:19
Forensics
Hey Chuck where is the flag?
2
2015-04-27 03:18:09
Forensics
Hide my ass in my home!
2
2015-04-27 01:26:58
Reverse Engineering
RingZer0 Authenticator
5
2015-04-24 02:32:00
Reverse Engineering
Windows API for the win
4
2015-04-24 01:51:37
Coding challenges
Ascii Art
6
2015-04-24 01:03:30
Reverse Engineering
Can you see through the star
2
2015-04-24 00:47:51
Web
Password reset
2
2015-04-23 01:06:12
Cryptography
Public key recovery
2
2015-04-23 00:33:50
JavaScript
Why not be more secure?
5
2015-04-22 22:15:17
JavaScript
Most Secure Crypto Algo
2
2015-04-22 04:09:25
Reverse Engineering
I never forget the Nintendo 64
3
2015-04-22 03:38:01
Web
Security thru obscurity!
2
2015-04-22 03:27:35
Web
Captcha I
2
2015-04-22 02:43:51
Coding challenges
Xor me if you can
6
2015-04-22 02:26:41
Coding challenges
Hash breaker
4
2015-04-22 02:10:52
Coding challenges
I saw a little elf
4
2015-04-22 00:41:03
Pwnage Linux
Level1 Pwnage Linux x86_64
3
2015-04-22 00:26:24
Shellcoding
Linux x64 shellcoding level 2
4
2015-04-22 00:19:43
Shellcoding
Basics of Linux x64 shellcoding
2
2015-04-21 22:44:19
Pwnage Linux
Level4 Pwnage Linux Level Up
5
2015-04-21 22:24:26
Pwnage Linux
Level3 Pwnage Linux Level Up
3
2015-04-21 20:22:44
Web
Area 51
1
2015-04-21 20:15:06
Web
Words mean something?
1
2015-04-21 01:55:20
Pwnage Linux
Level2 Pwnage Linux Level Up
2
2015-04-21 01:05:45
Cryptography
File recovery
1
2015-01-09 02:54:48
Pwnage Linux
Level1 Pwnage Linux Level Up
1
2014-12-15 02:51:54
Web
Admin Portal
2
2014-12-15 02:34:50
Web
Headache
1
2014-12-15 02:20:33
Forensics
I made a dd of Agent Smith usb key
1
2014-11-06 02:57:17
Cryptography
Some martian message
1
2014-11-06 02:35:26
Coding challenges
I hate mathematics
3
2014-11-06 02:22:00
Coding challenges
Hash me reloaded
3
2014-11-06 01:55:42
Coding challenges
Hash me please
2
2014-11-06 01:03:08
Reverse Engineering
Windows x86 reversing is cool
3
2014-11-06 00:51:08
Reverse Engineering
Crack Me 1
3
2014-11-06 00:29:42
Reverse Engineering
Time to learn x86 ASM & gdb
2
2014-10-17 04:45:52
Web
Looking for password file
1
2014-10-17 04:20:09
SQL Injection
ACL rulezzz the world.
2
2014-10-17 04:18:31
SQL Injection
Po po po po postgresql
2
2014-10-17 04:12:44
SQL Injection
Most basic SQLi pattern.
1
2014-10-08 03:18:16
JavaScript
Why not?
2
2014-10-08 03:15:10
JavaScript
Then obfuscation is more secure
1
2014-10-08 03:06:07
JavaScript
Hashing is more secure
1
2014-10-08 03:03:48
JavaScript
Client side validation is bad!
1
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