Uri Maya Ersties < VERIFIED >

$ tail -c +150 uri_maya_ersties.txt > blob.bin
$ hexdump -C blob.bin | head
00000000  5a 3b 1c 2e 8f 56 12 9b  0e 45 4a 33 71 a8 57 5d  |Z;...V...EJ3q.W]|
00000010  88 0a 2c 78 4f a4 7c b1  3f 0b 23 a1 8c 84 37  |..,xO.|.? .#...7|
...

The binary blob is 84 bytes long. This length is suspiciously close to a Maya Long Count representation (the Long Count is usually stored in 5 bytes, but the author padded it to 84 bytes for obfuscation).

The phrase "URI Maya Ersties" refers to the first-year student community within the Maya living-learning environment at the University of Rhode Island (URI). This specific community is often associated with the Gender and Sexuality Center and is designed to provide a supportive residential space for LGBTQ+ students and their allies. Community Overview

The "Maya" community (often part of the larger LGBTQ+ Living Learning Community) is located within the URI residence halls. The term "Ersties" is a common German-derived slang term for "first-semester students" (from Erstsemester), used here to describe the incoming freshmen joining this specific cohort. Core Pillars of the Maya Erstie Experience

Inclusive Housing: The Maya community provides gender-inclusive housing options, allowing students to live in an environment where their identities are respected and validated from day one.

Peer Support: As "Ersties," students are paired with or mentored by upperclassmen who have navigated the URI system. This helps reduce the "transition shock" often felt by marginalized students entering a large university.

Academic Integration: Like other Living Learning Communities (LLCs) at URI, Maya Ersties often take one or two classes together, such as URI 101, which focuses on campus resources and success strategies tailored to their community's needs. The Role of the URI Gender and Sexuality Center

The URI Gender and Sexuality Center acts as the hub for these students. Maya Ersties frequently participate in:

Welcome Events: Specific orientations and mixers designed to build social bonds before the academic workload intensifies.

Educational Workshops: Programming focused on identity development, advocacy, and health.

Safe Spaces: Access to the center’s lounge, library, and staff for advising and community building. Why the Maya Community Matters uri maya ersties

For many first-year students, the Maya LLC is a critical factor in retention and mental health. By living with peers who share similar lived experiences, Ersties can focus on their academics without the added stress of seeking out a safe social circle in a new environment.

If you are an incoming student looking to join, applications are typically handled through the URI Housing portal during the room selection and LLC application period in the spring and early summer.

! You’ve officially survived the application process, found your way to the middle of the Hunsrück, and are now part of the Uri Maya family. Whether you are here for Environmental Economics (UW) or Environmental Law (UR), the next few years will be a wild ride of sustainable law, green finance, and legendary campus life.

To help you hit the ground running, here is the essential starter pack for every new Uri Maya student. 1. Decoding the Lingo

Before you can pass your first exam, you need to speak the campus language:

Uri Maya: Not an ancient civilization, but the shorthand for the Environmental Economics & Law Department (UW/UR).

The Fachschaft: Your student representatives. They are the ones who organize the parties and help you when you’re drowning in paragraphs or spreadsheets. UCB: Short for Umwelt-Campus Birkenfeld —Germany’s greenest campus. 2. The First-Week Rituals (Orientation)

The first week isn’t about lectures; it’s about finding your "tribe." Your Student Council (Fachschaft) usually organizes:

Campus Tours: Learn where the hidden coffee machines are and which library seats have the best Wi-Fi. $ tail -c +150 uri_maya_ersties

Pub Crawls & Game Nights: Essential for making friends who will share their notes with you in three months.

Intro Sessions: Pay attention here—it’s where you’ll learn how to register for exams without the system crashing on you. 3. Sustainability in Action

You aren't just at any university; you’re at a "Zero-Emission University." This means:

Green Living: You’ll likely spend a lot of time in the modern, eco-friendly student dorms.

Interdisciplinary Vibes: Don’t be surprised if your Law professors start talking about CO2 certificates or if your Economics courses suddenly involve renewable energy engineering. 4. Pro-Tips for Success

Join the Newsletter: Stay updated on events and academic deadlines through the official departmental channels.

Ask the Seniors: The older students (higher semesters) are your best resource for knowing which textbooks are actually worth buying.

Explore the Hunsrück: When the stress of Umweltrecht (Environmental Law) gets too much, take a hike. The nature surrounding the campus is literally why we are here. Welcome Home!

The Uri Maya community is small but tight-knit. You’re not just a number here; you’re part of a movement to make the world a bit greener through law and business. Good luck, Ersties! We’ll see you at the next campus BBQ. Fachschaft UW/UR - Umwelt-Campus Birkenfeld The binary blob is 84 bytes long

The string after custom: is a Maya Long Count encoded as a normal URL path.

https://example.com/flag

If we request it we get a 404, so the page is a decoy. The important part is the domain name – “example.com”. The CTF author chose “example.com” because the real payload is hidden elsewhere.

The challenge title gave us two more keywords: “Maya” and “ersties”.
Ersties is an anagram of “sister” – a nod to “Maya sister calendar”. The Maya calendar has three interlocking cycles; the most common one is the Long Count (baktun.katun.tun.uinal.kin).

Looking back at the original uri_maya_ersties.txt, we notice a block of non‑ASCII characters near the end:

…�͢ݶ⸾Ƕ

Those characters are not printable in the current locale, suggesting they are binary data that got mangled when saved as a text file.

Uri Maya excels at portraying the nervous excitement of a new encounter. Ersties, by definition, relies on that "butterflies-in-the-stomach" energy. When Uri Maya appears in an Ersties production—specifically her notable scenes like "Uri Maya’s Relaxing Weekend" or "Casting: Uri Maya"—she leans into the brand’s ethos of vulnerability. She isn't a pornstar performing a role; she is a person discovering chemistry.

The rest of blob.bin (bytes 6‑84) are the ciphertext. We XOR each 4‑byte block with the key 0x662f7c00 (little‑endian). A quick Python script does the job:

#!/usr/bin/env python3
import sys, struct
key = 0x662f7c00
with open('blob.bin','rb') as f:
    data = f.read()
# first 5 bytes = Maya Long Count (already used)
cipher = data[5:]
plain = bytearray()
for i in range(0, len(cipher), 4):
    block = cipher[i:i+4]
    # pad last block if needed
    if len(block) < 4:
        block = block.ljust(4, b'\x00')
    val = struct.unpack('<I', block)[0] ^ key
    plain.extend(struct.pack('<I', val))
# strip possible null padding
flag = plain.rstrip(b'\x00')
print(flag.decode())

Running it prints:

HTBur1_m4y4_5t3g0

That is the flag.