BlueHens challs

README.md

@@ -477,7 +477,11 @@
             <td><a href="https://ctftime.org/event/2063/tasks/" target="_blank">CTFtime</a></td>
         </tr>
         <tr>
-            <td rowspan=2><a href="ctfs/BlueHens">BlueHens</a></td>
+            <td rowspan=3><a href="ctfs/BlueHens">BlueHens</a></td>
+            <td><a href="ctfs/BlueHens/2024">2024</a></td>
+            <td><a href="https://ctftime.org/event/2512/tasks/" target="_blank">CTFtime</a></td>
+        </tr>
+        <tr>
             <td><a href="ctfs/BlueHens/2023">2023</a></td>
             <td><a href="https://ctftime.org/event/2126/tasks/" target="_blank">CTFtime</a></td>
         </tr>

ctfs/BlueHens/2024/README.md

@@ -0,0 +1 @@
+[CTFtime Page](https://ctftime.org/event/2512)

ctfs/BlueHens/2024/crypto/Barcode_Crypto/README.md

@@ -0,0 +1,3 @@
+These barcodes seem to be missing something, can you help me figure it out?
+
+-AcerYeung

ctfs/BlueHens/2024/crypto/Barcode_Crypto/barcode.txt

@@ -0,0 +1,30 @@
+[[60029664252, 77430302898],
+ [15943096225, 44272576584],
+ [43882438899, 25860934381],
+ [45707102097, 19060770240],
+ [53961494066, 81356527414],
+ [56819011468, 22420772185, 53659850846],
+ [47845332063, 30101576935],
+ [51070853792, 67492173007],
+ [97258814159, 97258814159, 36807702096],
+ [40453381104, 40453381104],
+ [36453914058, 36077720734],
+ [71598138119, 11464903727, 11464903727],
+ [68139216229, 23015293538],
+ [23015293538, 23015293538, 12308346721],
+ [56051149211, 73610703707],
+ [13328865959, 13328865959],
+ [64629760812, 56806479193],
+ [27070234714, 27070234714, 23638082617],
+ [34915908530, 68473455195],
+ [91180451244, 98830656733],
+ [26713011332, 53151055547],
+ [17078306122, 86366184027],
+ [44714759147, 94268773046, 83415172230],
+ [18064174389, 18064174389, 62670218584],
+ [52525862442, 52525862442, 24846606132],
+ [28492303376, 62129628069],
+ [27626360025, 27626360025, 29993648246],
+ [92094554215, 48851051756],
+ [30186486798, 31292042830],
+ [86398687617, 45559946108, 85122158250]]

ctfs/BlueHens/2024/crypto/Corkscrew/README.md

@@ -0,0 +1,5 @@
+old-school crypto guess school
+
+A simple little guessy crypto: Us_lnt10ns}1443{FTCDqsysp0srrr4up_t1
+
+-ProfNinja

ctfs/BlueHens/2024/crypto/HMAC/README.md

@@ -0,0 +1,5 @@
+There’s a secret message being HMAC-protected, but the implementation has a serious flaw. Can you recover the secret message using a side-channel attack?
+
+SRC: https://gist.github.com/AndyNovo/91e3c51ef47980d32ad1cde26b917ac4
+
+-Tery

ctfs/BlueHens/2024/crypto/Hand_Mades_Tale/README.md

@@ -0,0 +1,7 @@
+guess school
+
+She drew this, in a language of her own invention as a puzzle for you. Pretend like you're cracking some knight's templar code in a Dan Brown novel or something. That last symbol is } and it's mirror is {.
+
+Made by Lexy with ❤️
+
+Note from ProfNinja: after playtesting I decide to photoshop in a very subtle hint, see if you can notice it...

ctfs/BlueHens/2024/crypto/Nonogram_Pt._1_Simple_Enough/README.md

@@ -0,0 +1,6 @@
+nonogram
+
+When you get past the puzzle, you now face a classic encryption / old-school stego encoding. Wrap the text you find in UDCTF{TEXTHERE}.
+
+-Grace
+http://www.landofcrispy.com/nonogrammer/nonogram.html?mode=play&puzzle=17|15|1x4.1x4,1x2.1x2,1x2.1x2,1x2.1x2,1x2.1x2,1x2.1x8,1x2.1x2.1x4,1x2.1x2.1x2.1x2,1x2.1x2.1x2.1x2,1x6.1x2,1x2.1x2,1x2.1x2,1x2.1x2,1x2.1x2,1x2.1x2,1x2.1x3,1x9|1x1,1x8,1x9,1x1.1x2,1x1.1x1.1x1,1x12,1x12,1x1.1x1.1x1,1x1.1x1.1x2.1x1,1x9.1x1,1x8.1x1,1x1.1x2.1x2,1x2.1x3,1x9,1x6|x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x,x&palette=white.grey.X,black..&msg=df1b4ee23140ab89541134c295c4d696774c1ec8ddf6550353ef53096152657cc9e79a0300200931353c6e9aaa446c2f55684c39d4

ctfs/BlueHens/2024/crypto/Oh_Baby_A_Pythagorean_Triple/README.md

@@ -0,0 +1,6 @@
+triangles
+
+I bet you never knew about the DNA of right triangles. Found it beautiful; wrote a problem.
+
+-ProfNinja
+https://gist.github.com/AndyNovo/747a027b87924e02202436668382630d

ctfs/BlueHens/2024/crypto/ROTOLACTOR/README.md

@@ -0,0 +1,5 @@
+guess school
+
+"Got Milk?"
+
+-JayV

ctfs/BlueHens/2024/crypto/ROTOLACTOR/moo.txt

@@ -0,0 +1,54 @@
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+ZbBZbBZbbzBbBBBzbBBBBzBbzBbzBbZZZzbBzbBZZZZBBZBbzbBZbBzBbzbbzBbzBb
+zBbZZZzbBzbBzbBZZZZBBZBbzbBZbBzBbzbbzbBZbBZbBZbBZbBZbBZbBZbBZbBZbB
+ZbBZbBZbBZbBZbBZbBZbbzBbBBBzbBBBBzBbzBbZZZzbBZZZZBBZBbzbBZbBzBbzbb
+zBbzBbZZZzbBzbBZZZZBBZBbzbBZbBzBbzbbzBbzBbzBbZZZzbBzbBzbBZZZZBBZBb
+zbBZbBzBbzbbzbBZbBZbBZbBZbBZbBZbBZbBZbBZbBZbBZbBZbBZbBZbbzBb

ctfs/BlueHens/2024/crypto/Simon_Says/README.md

@@ -0,0 +1,3 @@
+https://gist.github.com/AndyNovo/7c172b8c5bdfcdce6c66cd0bdae53584
+
+-Lars

ctfs/BlueHens/2024/crypto/Training_Problem_Intro_to_RSA/README.md

@@ -0,0 +1,8 @@
+In [9]: p = getPrime(128)
+In [10]: q = getPrime(128)
+In [11]: N = p*q
+In [12]: bytes_to_long(flag) < N
+Out[12]: True
+In [13]: print(pow(bytes_to_long(flag), 65537, N), N)
+
+-ProfNinja

ctfs/BlueHens/2024/forensic/Giraffical_Image_Format/README.md

@@ -0,0 +1,3 @@
+guess school
+
+A student disagreed with my pronunciation of gif. They said, snarkily, how do you pronounced Graphical Image Format. This problem is my response.

ctfs/BlueHens/2024/forensic/Inner_Demons/README.md

@@ -0,0 +1,5 @@
+guess school
+
+I can't seem to sleep at night... Maybe I need to dig further within.
+
+-pleasework.sh

ctfs/BlueHens/2024/forensic/RGBinary/README.md

@@ -0,0 +1,7 @@
+guess school
+
+Some planes are flying, some planes are grounded.
+
+-AcerYeung
+
+(Capital UDCTF{})

ctfs/BlueHens/2024/forensic/Whispers_of_the_Feathered_Messenger/README.md

@@ -0,0 +1,5 @@
+In a world where secrets flutter through the air, the bluehen carries a hidden message. A message that has been salted.... however its still a message... maybe the bluehen ignores the salt. This image holds more than meets the eye.
+
+shasum: e717eefe9b41212b017152756b0e640f9a4f3763 bird.jpeg
+
+    @PotateL

ctfs/BlueHens/2024/misc/AlgebrarbeglA/README.md

@@ -0,0 +1,7 @@
+78! - k = k - !87
+
+Solve for k flag format is udctf{k}
+
+-ProfNinja
+
+Dedicated to Wrath of Math

ctfs/BlueHens/2024/misc/An_ode_to_Alejandro_and_Kristin/README.md

@@ -0,0 +1,3 @@
+Do you like puzzles?
+
+-The Cyber Frat (We went nuts on speed jigsaws this summer)

ctfs/BlueHens/2024/misc/Bees_in_Space/BeesInSpace.txt

@@ -0,0 +1,54 @@
+According to all known	laws of	aviation, there	is no	way
+a	bee
+should be able to fly. Its	wings are too small	to get its
+fat	little
+body off the ground. The bee,	of course, flies anyway because	bees	don't
+care	what
+humans think is impossible. Yellow, black.	Yellow, black.	Yellow, black.	Yellow, black. Ooh,
+black	and
+yellow! Let's shake it up a	little. Barry! Breakfast is	ready!	Coming! Hang
+on	a
+second. Hello? Barry? Adam? Can you	believe	this	is	happening? I	can't.	I'll
+pick	you
+up. Looking sharp. Use the stairs,	Your	father	paid good	money	for	those.
+Sorry.	I'm
+excited. Here's the graduate. We're very	proud	of you,	son. A perfect report
+card,	all
+B's. Very proud. Ma! I got a	thing	going here. You got	lint
+on	your
+fuzz. Ow! That's me! Wave to	us!	We'll	be in	row 118,000. Bye!
+Barry,	I
+told you, stop flying in the house!	Hey,	Adam. Hey, Barry.	Is	that
+fuzz	gel?
+A little. Special day, graduation. Never	thought	I'd	make it. Three	days	grade
+school,	three
+days high school. Those were awkward.	Three	days	college. I'm glad I took
+a	day
+and hitchhiked around The Hive. You did	come	back different.	Hi, Barry. Artie,
+growing	a
+mustache? Looks good. Hear about Frankie?	Yeah.	You going to the	funeral?	No,
+I'm	not
+going. Everybody knows, sting someone, you die.	Don't	waste it on	a	squirrel.
+Such	a
+hothead. I guess he could have	just gotten	out	of	the	way.	I
+love	this
+incorporating an amusement park into our day.	That's	why we don't need	vacations.
+Boy,	quite
+a bit of pomp under the circumstances.	Well,	Adam, today	we are	men.
+We	are!
+Bee-men. Amen! Hallelujah! Students, faculty, distinguished	bees, please	welcome	Dean	Buzzwell.	Welcome,	New
+Hive	City
+graduating class of 9:15. That concludes	our	ceremonies And begins your	career	at
+Honex	Industries!
+Will we pick our job today? I	heard	it's just orientation. Heads up!
+Here	we
+go. Keep your hands and antennas inside	the	tram at all times. Wonder
+what	it'll
+be like? A little scary. Welcome	to	Honex, a	division	of Honesco and
+a	part
+of the Hexagon Group. This is	it!	Wow.	Wow.	We	know that	you,
+as	a
+bee, have worked
+your
+whole
+life

ctfs/BlueHens/2024/misc/Bees_in_Space/README.md

@@ -0,0 +1,3 @@
+Imagine if the Bee Movie happened in space 🤯... okay it probably wouldn't be that great because everyone would die or be wearing astronaut suits the whole time, but either way still cool to imagine!
+
+-AcerYeung

ctfs/BlueHens/2024/misc/Font_inary/README.md

@@ -0,0 +1,5 @@
+guess school
+
+Have you ever struggled to read someone's handwriting? Well, whoever created this font didn't care, have fun!
+
+-AcerYeung

ctfs/BlueHens/2024/misc/Polar_Opposites/README.md

@@ -0,0 +1,5 @@
+guess school
+
+Thres somethin backwards bout this audio... (Wrap what you find in UDCTF{})
+
+-SpiegelHalter

ctfs/BlueHens/2024/misc/Scottish_Ham/README.md

@@ -0,0 +1,3 @@
+You scream into the void, and it responds with this...
+
+~skyefi

ctfs/BlueHens/2024/misc/Sticky_Keys/README.md

@@ -0,0 +1,5 @@
+guess school
+
+GEJYU?<d0 go.5 Ekrpat 4bf,afZ+
+
+-Malloc

ctfs/BlueHens/2024/misc/Youre_such_a_Rube/README.md

@@ -0,0 +1,5 @@
+rubiks
+
+💀
+
+JD (jr.)

ctfs/BlueHens/2024/osint/Im_Hungry/README.md

@@ -0,0 +1,5 @@
+guess school north american google... not DHL
+
+Google is your friend.
+
+-JD (jr.)

ctfs/BlueHens/2024/osint/Training_Problem_Intro_to_OSINT/README.md

@@ -0,0 +1,5 @@
+osint training
+
+A famous person is selling their house. In this market, who wouldn't? Can you tell me who owns this house, and what the license plate of their "tough" car is? Flag format: udctf{FirstLast_licenseplate}
+
+-Donovan

ctfs/BlueHens/2024/pwn/Flaming_Lips/README.md

@@ -0,0 +1,3 @@
+She likes her hair to, be real orange...
+
+-ProfNinja and printf(name);

ctfs/BlueHens/2024/pwn/Pure_Write_What_Where_PWN/README.md

@@ -0,0 +1,5 @@
+www
+
+Straight to the point.
+
+-ProfNinja

ctfs/BlueHens/2024/pwn/Training_Problem_Intro_to_PWN/README.md

@@ -0,0 +1,7 @@
+training
+
+Classic win function pwn.
+
+-ProfNinja
+
+(I originally released this with a canary, took away the canary and redployed the service. If your binary has a canary download again.)

ctfs/BlueHens/2024/pwn/ret2bf/README.md

@@ -0,0 +1 @@
+I heard an interview with Tame Impala where he said, "for a song to make an album, it has to have been, at some point, my favorite song ever". Well, there was at least one day when this one was my favorite CTF problem ever. -ProfNinja

ctfs/BlueHens/2024/pwn/thelight/README.md

@@ -0,0 +1,3 @@
+It's the same guy again, ugh, this time he needs some help with his light switch, it's been on the frits lately.
+
+-cam

ctfs/BlueHens/2024/pwn/thetv/README.md

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+The dude at 777 needs some help with his remote, he heard you worked in IT... so make sure you fix it, and don't break anything!!
+
+-Cam

ctfs/BlueHens/2024/rev/Brainrot.c/README.md

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+I would like to apologize for the crimes that have been committed upon humanity and the mental trauma that may ensue from the creation of this code. I take full responsibility for my actions and ask only for forgiveness as you struggle in pursuit of the flag. I have provided C source code and omitted the header that serves as the gen-z Rosetta Stone. I wish you all the best in successful completion of this problem.
+
+-AZR