Nirmiana

Intro to Cybersecurity

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Path Traversal 1

Time of First Successful Submission: 2026-01-15 14:38:07

Path Traversal 2

Time of First Successful Submission: 2026-01-15 14:48:32

CMDi 1

Time of First Successful Submission: 2026-01-15 15:03:23

CMDi 2

Time of First Successful Submission: 2026-01-15 15:05:42

CMDi 3

Time of First Successful Submission: 2026-01-15 15:10:10

CMDi 4

Time of First Successful Submission: 2026-01-15 15:17:52

CMDi 5

Time of First Successful Submission: 2026-01-15 17:32:13

CMDi 6

Time of First Successful Submission: 2026-01-15 17:44:44

Authentication Bypass 1

Time of First Successful Submission: 2026-01-16 09:16:33

Authentication Bypass 2

Time of First Successful Submission: 2026-01-16 09:21:18

SQLi 1

Time of First Successful Submission: 2026-01-17 06:07:07

SQLi 2

Time of First Successful Submission: 2026-01-17 06:22:36

SQLi 3

Time of First Successful Submission: 2026-01-17 06:33:26

SQLi 4

Time of First Successful Submission: 2026-01-17 06:38:22

SQLi 5

Time of First Successful Submission: 2026-01-17 07:44:17

XSS 1

Time of First Successful Submission: 2026-01-18 16:02:39

XSS 2

Time of First Successful Submission: 2026-01-18 16:10:52

XSS 3

Time of First Successful Submission: 2026-01-22 10:37:52

XSS 4

Time of First Successful Submission: 2026-01-22 10:42:48

XSS 5

Time of First Successful Submission: 2026-01-27 13:34:28

XSS 6

Time of First Successful Submission: 2026-01-27 14:17:47

XSS 7

Time of First Successful Submission: 2026-01-29 07:49:17

Connect

Time of First Successful Submission: 2026-01-25 05:42:58

Send

Time of First Successful Submission: 2026-01-25 05:44:33

Shutdown

Time of First Successful Submission: 2026-01-25 06:10:11

Listen

Time of First Successful Submission: 2026-01-25 06:13:55

Scan 1

Time of First Successful Submission: 2026-01-25 06:18:29

Scan 2

Time of First Successful Submission: 2026-01-25 07:18:06

Monitor 1

Time of First Successful Submission: 2026-01-25 07:22:59

Monitor 2

Time of First Successful Submission: 2026-01-25 07:36:23

Network Configuration

Time of First Successful Submission: 2026-01-25 07:43:38

Firewall 1

Time of First Successful Submission: 2026-01-25 07:51:01

Firewall 2

Time of First Successful Submission: 2026-01-25 07:52:24

Firewall 3

Time of First Successful Submission: 2026-01-25 07:55:11

Denial of Service 1

Time of First Successful Submission: 2026-01-25 08:02:07

Your First Overflow (easy)

Time of First Successful Submission: 2025-12-27 07:35:26

Your First Overflow (hard)

Time of First Successful Submission: 2025-12-27 08:01:45

Precision (easy)

Time of First Successful Submission: 2025-12-28 06:19:28

Precision (hard)

Time of First Successful Submission: 2025-12-28 06:29:38

Variable Control (easy)

Time of First Successful Submission: 2025-12-29 05:46:09

Variable Control (hard)

Time of First Successful Submission: 2025-12-29 05:50:49

Control Hijack (easy)

Time of First Successful Submission: 2025-12-30 05:34:09

Control Hijack (hard)

Time of First Successful Submission: 2025-12-30 05:38:02

Tricky Control Hijack (easy)

Time of First Successful Submission: 2025-12-31 15:33:41

Tricky Control Hijack (hard)

Time of First Successful Submission: 2025-12-31 15:41:44

PIEs (easy)

Time of First Successful Submission: 2026-01-01 13:44:00

PIEs (hard)

Time of First Successful Submission: 2026-01-01 13:59:40

String Lengths (easy)

Time of First Successful Submission: 2026-01-02 01:29:37

String Lengths (hard)

Time of First Successful Submission: 2026-01-02 01:50:08

Basic Shellcode

Time of First Successful Submission: 2026-01-05 15:22:45

NOP Sleds

Time of First Successful Submission: 2026-01-07 12:34:51

NULL-Free Shellcode

Time of First Successful Submission: 2026-01-10 13:05:43

Hijack to (Mapped) Shellcode (easy)

Time of First Successful Submission: 2026-01-13 07:23:16

Hijack to (Mapped) Shellcode (hard)

Time of First Successful Submission: 2026-01-13 07:27:47

Hijack to Shellcode (easy)

Time of First Successful Submission: 2026-01-13 07:59:05

Hijack to Shellcode (hard)

Time of First Successful Submission: 2026-01-13 09:13:54


Program Security

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Terrible Token (Easy)

Time of First Successful Submission: 2026-03-17 09:13:56

Terrible Token (Hard)

Time of First Successful Submission: 2026-03-17 09:21:42

Loose Link (Easy)

Time of First Successful Submission: 2026-01-27 06:51:18

Loose Link (Hard)

Time of First Successful Submission: 2026-01-27 06:54:51

Call Chain (Easy)

Time of First Successful Submission: 2026-01-27 07:14:52

Call Chain (Hard)

Time of First Successful Submission: 2026-01-27 07:17:40

Chain of Command (Easy)

Time of First Successful Submission: 2026-01-27 09:29:21

Chain of Command (Hard)

Time of First Successful Submission: 2026-01-27 09:35:54

Stop, Pop, and ROP (Easy)

Time of First Successful Submission: 2026-01-27 12:02:19

Stop, Pop, and ROP (Hard)

Time of First Successful Submission: 2026-01-27 12:50:50

Stop, Pop and ROP II (Easy)

Time of First Successful Submission: 2026-01-27 13:03:54

Stop, Pop, and ROP II (Hard)

Time of First Successful Submission: 2026-01-27 13:05:20

Freebie (Easy)

Time of First Successful Submission: 2026-01-10 10:59:28

Freebie (Hard)

Time of First Successful Submission: 2026-01-10 11:03:07

Freebin Feint (Easy)

Time of First Successful Submission: 2026-01-10 11:06:28

Freebin Feint (Hard)

Time of First Successful Submission: 2026-01-10 11:49:04

Free Flag Fumble (Easy)

Time of First Successful Submission: 2026-01-10 11:52:52

Free Flag Fumble (Hard)

Time of First Successful Submission: 2026-01-10 11:58:11

Fickle Free (Easy)

Time of First Successful Submission: 2026-01-12 14:09:23

Fickle Free (Hard)

Time of First Successful Submission: 2026-01-12 14:29:35

Malloc Mirage (Easy)

Time of First Successful Submission: 2026-01-12 15:32:35

Malloc Mirage (Hard)

Time of First Successful Submission: 2026-01-12 15:39:50

Seeking Secrets (Easy)

Time of First Successful Submission: 2026-01-13 10:32:51

Seeking Secrets (Hard)

Time of First Successful Submission: 2026-01-13 11:15:56

Seeking Substantial Secrets (Easy)

Time of First Successful Submission: 2026-01-15 08:13:42

Seeking Substantial Secrets (Hard)

Time of First Successful Submission: 2026-01-15 08:16:18

Seeking Spanless Secrets (Easy)

Time of First Successful Submission: 2026-01-16 10:12:44

Seeking Spanless Secrets (Hard)

Time of First Successful Submission: 2026-01-16 10:14:40

Seeking Smuggled Secrets (Easy)

Time of First Successful Submission: 2026-01-16 12:28:10

Seeking Smuggled Secrets (Hard)

Time of First Successful Submission: 2026-01-16 12:31:03

Sus Sequence (Easy)

Time of First Successful Submission: 2026-01-16 14:04:43

Sus Sequence (Hard)

Time of First Successful Submission: 2026-01-16 14:06:55

Echo Emanations (Easy)

Time of First Successful Submission: 2026-01-18 07:43:51

Echo Emanations (Hard)

Time of First Successful Submission: 2026-01-18 07:51:49

Stack Spoofing (Easy)

Time of First Successful Submission: 2026-01-18 13:28:21

Stack Spoofing (Hard)

Time of First Successful Submission: 2026-01-18 13:37:36

Stack Summoning (Easy)

Time of First Successful Submission: 2026-01-18 14:53:48

Stack Summoning (Hard)

Time of First Successful Submission: 2026-01-18 15:51:53

Enterprising Echo (Easy)

Time of First Successful Submission: 2026-01-19 12:20:40

Enterprising Echo (Hard)

Time of First Successful Submission: 2026-01-19 12:36:01

Ephemeral Echo (Easy)

Time of First Successful Submission: 2026-01-19 15:15:05

Ephemeral Echo (Hard)

Time of First Successful Submission: 2026-01-19 15:17:35

Seeking Safe Secrets (Easy)

Time of First Successful Submission: 2026-01-20 12:43:31

Seeking Safe Secrets (Hard)

Time of First Successful Submission: 2026-01-20 12:52:01

Sus Sequence Safety (Easy)

Time of First Successful Submission: 2026-01-21 15:25:00

Sus Sequence Safety (Hard)

Time of First Successful Submission: 2026-01-21 15:28:27

Safely Stack Summoning (Easy)

Time of First Successful Submission: 2026-01-22 08:38:51

Safely Stack Summoning (Hard)

Time of First Successful Submission: 2026-01-22 08:44:15


Start Here

12 / 12 699 / 43262


Using the Terminal

Time of First Successful Submission: 2025-12-26 14:17:09

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-26 14:18:31

Using the GUI Desktop

Time of First Successful Submission: 2025-12-26 14:20:15

Pasting into the Desktop

Time of First Successful Submission: 2025-12-26 14:21:45

Restarting Challenges

Time of First Successful Submission: 2025-12-26 14:32:10

Challenge Programs

Time of First Successful Submission: 2025-12-26 14:43:17

The Flag File

Time of First Successful Submission: 2025-12-26 14:44:44

Using Privileged Mode

Time of First Successful Submission: 2025-12-26 14:52:51

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-26 14:54:54

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-26 14:55:21


Playing With Programs

10 / 116 17869 / 23364


SQL Queries

Time of First Successful Submission: 2026-01-16 08:24:37

Filtering SQL

Time of First Successful Submission: 2026-01-16 08:29:33

Choosing Columns

Time of First Successful Submission: 2026-01-16 08:32:22

Exclusionary Filtering

Time of First Successful Submission: 2026-01-16 08:34:55

Filtering Strings

Time of First Successful Submission: 2026-01-16 08:36:20

Filtering on Expressions

Time of First Successful Submission: 2026-01-16 08:43:59

SELECTing Expressions

Time of First Successful Submission: 2026-01-16 08:52:44

Composite Conditions

Time of First Successful Submission: 2026-01-16 08:55:41

Reaching Your LIMITs

Time of First Successful Submission: 2026-01-16 08:57:58

Querying Metadata

Time of First Successful Submission: 2026-01-16 09:10:43


GCA CTF

12 / 104 966 / 43539


Using the Terminal

Time of First Successful Submission: 2025-12-26 14:17:09

Using the VSCode Workspace

Time of First Successful Submission: 2025-12-26 14:18:31

Using the GUI Desktop

Time of First Successful Submission: 2025-12-26 14:20:15

Pasting into the Desktop

Time of First Successful Submission: 2025-12-26 14:21:45

Connecting over SSH

Time of First Successful Submission: 2026-01-10 13:13:48

Restarting Challenges

Time of First Successful Submission: 2025-12-26 14:32:10

Getting Help

Time of First Successful Submission: 2025-12-26 14:40:05

Challenge Programs

Time of First Successful Submission: 2025-12-26 14:43:17

The Flag File

Time of First Successful Submission: 2025-12-26 14:44:44

Using Privileged Mode

Time of First Successful Submission: 2025-12-26 14:52:51

Persistent Home Directories - One

Time of First Successful Submission: 2025-12-26 14:54:54

Persistent Home Directories - Two

Time of First Successful Submission: 2025-12-26 14:55:21