rev/flag_hunters

rev/flag_hunters/flag.txt

@@ -0,0 +1 @@
+picoCTF{dummy}

rev/flag_hunters/lyric-reader.py

@@ -0,0 +1,134 @@
+#!/usr/bin/env python3
+
+import re
+import time
+
+
+# Read in flag from file
+flag = open('flag.txt', 'r').read()
+
+secret_intro = \
+'''Pico warriors rising, puzzles laid bare,
+Solving each challenge with precision and flair.
+With unity and skill, flags we deliver,
+The ether’s ours to conquer, '''\
++ flag + '\n'
+
+
+song_flag_hunters = secret_intro +\
+'''
+
+[REFRAIN]
+We’re flag hunters in the ether, lighting up the grid,
+No puzzle too dark, no challenge too hid.
+With every exploit we trigger, every byte we decrypt,
+We’re chasing that victory, and we’ll never quit.
+CROWD (Singalong here!);
+RETURN
+
+[VERSE1]
+Command line wizards, we’re starting it right,
+Spawning shells in the terminal, hacking all night.
+Scripts and searches, grep through the void,
+Every keystroke, we're a cypher's envoy.
+Brute force the lock or craft that regex,
+Flag on the horizon, what challenge is next?
+
+REFRAIN;
+
+Echoes in memory, packets in trace,
+Digging through the remnants to uncover with haste.
+Hex and headers, carving out clues,
+Resurrect the hidden, it's forensics we choose.
+Disk dumps and packet dumps, follow the trail,
+Buried deep in the noise, but we will prevail.
+
+REFRAIN;
+
+Binary sorcerers, let’s tear it apart,
+Disassemble the code to reveal the dark heart.
+From opcode to logic, tracing each line,
+Emulate and break it, this key will be mine.
+Debugging the maze, and I see through the deceit,
+Patch it up right, and watch the lock release.
+
+REFRAIN;
+
+Ciphertext tumbling, breaking the spin,
+Feistel or AES, we’re destined to win.
+Frequency, padding, primes on the run,
+Vigenère, RSA, cracking them for fun.
+Shift the letters, matrices fall,
+Decrypt that flag and hear the ether call.
+
+REFRAIN;
+
+SQL injection, XSS flow,
+Map the backend out, let the database show.
+Inspecting each cookie, fiddler in the fight,
+Capturing requests, push the payload just right.
+HTML's secrets, backdoors unlocked,
+In the world wide labyrinth, we’re never lost.
+
+REFRAIN;
+
+Stack's overflowing, breaking the chain,
+ROP gadget wizardry, ride it to fame.
+Heap spray in silence, memory's plight,
+Race the condition, crash it just right.
+Shellcode ready, smashing the frame,
+Control the instruction, flags call my name.
+
+REFRAIN;
+
+END;
+'''
+
+MAX_LINES = 100
+
+def reader(song, startLabel):
+  lip = 0
+  start = 0
+  refrain = 0
+  refrain_return = 0
+  finished = False
+
+  # Get list of lyric lines
+  song_lines = song.splitlines()
+  
+  # Find startLabel, refrain and refrain return
+  for i in range(0, len(song_lines)):
+    if song_lines[i] == startLabel:
+      start = i + 1
+    elif song_lines[i] == '[REFRAIN]':
+      refrain = i + 1
+    elif song_lines[i] == 'RETURN':
+      refrain_return = i
+
+  # Print lyrics
+  line_count = 0
+  lip = start
+  while not finished and line_count < MAX_LINES:
+    line_count += 1
+    for line in song_lines[lip].split(';'):
+      if line == '' and song_lines[lip] != '':
+        continue
+      if line == 'REFRAIN':
+        song_lines[refrain_return] = 'RETURN ' + str(lip + 1)
+        lip = refrain
+      elif re.match(r"CROWD.*", line):
+        crowd = input('Crowd: ')
+        song_lines[lip] = 'Crowd: ' + crowd
+        lip += 1
+      elif re.match(r"RETURN [0-9]+", line):
+        lip = int(line.split()[1])
+      elif line == 'END':
+        finished = True
+      else:
+        print(line, flush=True)
+        time.sleep(0.5)
+        lip += 1
+
+
+
+reader(song_flag_hunters, '[VERSE1]')

rev/flag_hunters/output.log

@@ -0,0 +1,59 @@
+$ nc verbal-sleep.picoctf.net 58904
+Command line wizards, we’re starting it right,
+Spawning shells in the terminal, hacking all night.
+Scripts and searches, grep through the void,
+Every keystroke, we're a cypher's envoy.
+Brute force the lock or craft that regex,
+Flag on the horizon, what challenge is next?
+
+We’re flag hunters in the ether, lighting up the grid,
+No puzzle too dark, no challenge too hid.
+With every exploit we trigger, every byte we decrypt,
+We’re chasing that victory, and we’ll never quit.
+Crowd: ;RETURN 0
+
+Echoes in memory, packets in trace,
+Digging through the remnants to uncover with haste.
+Hex and headers, carving out clues,
+Resurrect the hidden, it's forensics we choose.
+Disk dumps and packet dumps, follow the trail,
+Buried deep in the noise, but we will prevail.
+
+We’re flag hunters in the ether, lighting up the grid,
+No puzzle too dark, no challenge too hid.
+With every exploit we trigger, every byte we decrypt,
+We’re chasing that victory, and we’ll never quit.
+Crowd:
+Pico warriors rising, puzzles laid bare,
+Solving each challenge with precision and flair.
+With unity and skill, flags we deliver,
+The ether’s ours to conquer, picoCTF{70637h3r_f0r3v3r_0099cf61}
+
+
+[REFRAIN]
+We’re flag hunters in the ether, lighting up the grid,
+No puzzle too dark, no challenge too hid.
+With every exploit we trigger, every byte we decrypt,
+We’re chasing that victory, and we’ll never quit.
+Crowd:
+Pico warriors rising, puzzles laid bare,
+Solving each challenge with precision and flair.
+With unity and skill, flags we deliver,
+The ether’s ours to conquer, picoCTF{70637h3r_f0r3v3r_0099cf61}
+
+
+[REFRAIN]
+We’re flag hunters in the ether, lighting up the grid,
+No puzzle too dark, no challenge too hid.
+With every exploit we trigger, every byte we decrypt,
+We’re chasing that victory, and we’ll never quit.
+Crowd:
+Pico warriors rising, puzzles laid bare,
+Solving each challenge with precision and flair.
+With unity and skill, flags we deliver,
+The ether’s ours to conquer, picoCTF{70637h3r_f0r3v3r_0099cf61}
+
+
+[REFRAIN]
+We’re flag hunters in the ether, lighting up the grid,
+No puzzle too dark, no challenge too hid.