When discussing APIs, two models always come up: REST and GraphQL. Both operate over the HTTP protocol, but differ in how they deliver data and the level of control the client has over what is returned. This article explores these…

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When discussing APIs, two models always come up: REST and GraphQL. Both operate over the HTTP protocol, but differ in how they deliver data and the level of control the client has over what is returned.

This article explores these differences and answers several common questions, including the famous ! in GraphQL and how to test everything using request files.

📌 Code examples are available in this repository:

https://github.com/SrLuc/GrapQL-Example

GraphQL vs REST

Imagine you walk into a restaurant:

At a REST, you look at the menu and each dish is served exactly as is. Want just rice? You might even get rice, beans, salad, and farofa all together.

Need more details? You have to order another dish.

At GraphQL, you choose exactly what goes on your plate, “I just want rice and farofa.” or “I want everything: rice, meat, juice, and dessert.”

That's the essence of the difference.

Exemple REST

GET /dishes

Simple and functional…

But sometimes you just want beans, and the restaurant brings you the complete "PF" (a full plate), which means you receive more data than necessary.

{

  "dishes": [

    {

      "id": "1",

      "name": "Dish of the Day",

      "rice": true,

      "beans": true,

      "meat": true,

      "salad": true

    }

  ]

}

Even if you only want the name, REST sends the entire object.

Exemple de GraphQL

POST /graphql

with GraphQL, you build your meal:

query {

  dishes {

    id

    name

    rice

  }

}

And the server returns only what you requested.

{

  "dishes": [

    {

      "id": "1",

      "name": "Dish of the Day",

      "rice": true

    }

  ]

}

Nothing more, nothing missing.

⚠️ Most GraphQL requests are POST because GraphQL sends the query within the request body, and POST is the standard method that supports this structure.

Rest vs GraphQL Ilustration :

What is a query in GraphQL?

Think of a query like your order at a restaurant.

query {

  dishes {

    name

    rice

  }

}

A query is the way to describe exactly what data you want.

What is the relationship between a query and a schema?

Think of the schema as a restaurant menu.

type Dish {

  id: ID!

  name: String!

  rice: Boolean!

  beans: Boolean

  meat: Boolean

  salad: Boolean

}

It defines everything that is available and how each dish is structured:

⚠️ The ! means that the field is required. It's like saying:

“This dish always comes with rice. No exceptions.”

Final Concepts :

Concept	REST (ready-made dishes)	GraphQL (build your own dish)
Endpoints	Many	Only one
Data returned	Fixed	Customized
Process	GET, POST, PUT, DELETE	Queries and Mutations
Common problems	Overfetching / underfetching	Queries becoming too complex
Ideal for	Simple APIs	Apps that consume lots of data

📌 Code examples are available in this repository:

https://github.com/SrLuc/GrapQL-Example

Thank you all

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Syntax validiert (0 Fehler)

title: Detect Exploitation - GraphQL Tips & Tricks
id: 93d5b489-2ef9-42e0-a47c-0a1dd42c1324
status: experimental
description: Automatisch generierte SIEM-Erkennungsregel basierend auf CTI Intelligence
references:
  - https://tsecurity.de/
author: iShareStuff CTI Automated Detection Engine
date: 2026-09-24
logsource:
  category: network_connection
  product: any
detection:
  selection:
      CommandLine|contains:
        - 'exploit'
  condition: selection
falsepositives:
  - Legitime administrative Zugriffe oder Penetrationstests
level: high
tags:
  - attack.initial_access

Syntax validiert (0 Fehler)

rule CTI_Threat_Indicator {
    meta:
        author = "iShareStuff CTI Automated Detection Engine"
        date = "2026-09-24"
        description = "YARA Signature for "
    strings:
        $str = "GraphQL Tips & Tricks" ascii wide
    condition:
        any of them
}

Syntax validiert (0 Fehler)

index=security sourcetype IN ("cisco:asa", "pan:traffic", "zeek_conn", "suricata", "WinEventLog:Security")
("GraphQL Tips  Tricks")
| stats count earliest(_time) as first_seen latest(_time) as last_seen by src_ip, dest_ip, dest_host, signature
| eval first_seen=strftime(first_seen, "%Y-%m-%d %H:%M:%S"), last_seen=strftime(last_seen, "%Y-%m-%d %H:%M:%S")
| sort - count

Syntax validiert (0 Fehler)

message: "*GraphQL Tips  Tricks*"

Syntax validiert (0 Fehler)

CommonSecurityLog
| where Message has "GraphQL Tips  Tricks"
| summarize EventCount = count(), FirstSeen = min(TimeGenerated), LastSeen = max(TimeGenerated) by SourceIP, DestinationIP, DestinationPort, Activity
| extend DetectionRule = "iShareStuff-CTI-Compiled"
| sort by EventCount desc

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