Add final challenge filesHEADmaster

4 files changed, 40 insertions, 0 deletions

diff --git a/server/Dockerfile b/server/Dockerfile
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index 0000000..40881ad
--- /dev/null
+++ b/server/Dockerfile
@@ -0,0 +1,13 @@
+FROM ubuntu:latest
+
+RUN apt update && apt install -y python3 python3-pip socat
+
+WORKDIR /app
+
+COPY requirements.txt .
+RUN pip install --no-cache-dir -r requirements.txt
+
+COPY app.py .
+RUN chmod +x app.py
+
+CMD [ "socat", "TCP-LISTEN:9000,fork", "EXEC:./app.py" ]
diff --git a/server/app.py b/server/app.py
new file mode 100644
index 0000000..f0418b0
--- /dev/null
+++ b/server/app.py
@@ -0,0 +1,18 @@
+#!/usr/bin/python3 -u
+
+import random
+import os
+
+max_retries = 100
+for _ in range(max_retries):
+    print("Hints:")
+    for i in range(9):
+        print(random.getrandbits(32))
+
+    real = random.getrandbits(32)
+    print("Guess:")
+    resp = input()
+    if int(resp) == real:
+        print("FLAG", os.getenv("FLAG"))
+
+print("No tries left, sorry!")
diff --git a/server/docker-compose.yml b/server/docker-compose.yml
new file mode 100644
index 0000000..0ae4df2
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+++ b/server/docker-compose.yml
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+version: "3.1"
+services:
+  babyrand:
+    build: .
+    ports:
+      - "9094:9000"
+    environment:
+      - "FLAG=ENO{U_Gr4du4t3d_R4nd_4c4d3mY!}"
diff --git a/server/requirements.txt b/server/requirements.txt
new file mode 100644
index 0000000..8b13789
--- /dev/null
+++ b/server/requirements.txt
@@ -0,0 +1 @@
+