build

GOOS=linux GOARCH=386 go build ./server.go

Flags

1. Dynamic flag

curl IP:80/flag > haxagon{DYNAMIC_HASH}

2. Static flag

curl IP:12345 > flag1234

3. Select flag

...

4. Exec check flag

curl IP:12345/exec should trigger the check

:)

Spoiler warning

Spoiler text. Note that it's important to have a space after the summary tag. You should be able to write any markdown you want inside the <details> tag... just make sure you close <details> afterward.

console.log("I'm a code block!");