DEMO (do not merge): intentionally insecure terraform example

examples/terraform/main.bad.tf

@@ -0,0 +1,94 @@
+#############################################
+# INTENTIONALLY INSECURE – TRAINING EXAMPLE
+# DO NOT COPY TO PRODUCTION
+#
+# Demonstrates common anti-patterns that scanners flag:
+# - Public ingress on SSH/RDP/All TCP from 0.0.0.0/0
+# - Public egress (0.0.0.0/0 and ::/0)
+# - Public S3 bucket (ACL), public access block disabled
+# - No encryption / versioning on S3
+# - Missing tags/ownership metadata
+#############################################
+
+terraform {
+  required_version = "~> 1.6"
+  required_providers {
+    aws = {
+      source  = "hashicorp/aws"
+      version = "~> 5.0"
+    }
+  }
+}
+
+provider "aws" {
+  region = "ap-southeast-2"
+}
+
+# Wide-open Security Group (BAD)
+resource "aws_security_group" "insecure_sg" {
+  name        = "insecure-sg"
+  description = "Open SG for demo (INSECURE)"
+  vpc_id      = "vpc-12345678" # demo placeholder
+
+  # SSH from anywhere (BAD)
+  ingress {
+    description = "SSH from Internet (BAD)"
+    from_port   = 22
+    to_port     = 22
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  # RDP from anywhere (BAD)
+  ingress {
+    description = "RDP from Internet (BAD)"
+    from_port   = 3389
+    to_port     = 3389
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  # Any TCP from anywhere (BAD)
+  ingress {
+    description = "Any TCP (BAD)"
+    from_port   = 0
+    to_port     = 65535
+    protocol    = "tcp"
+    cidr_blocks = ["0.0.0.0/0"]
+  }
+
+  # Egress anywhere (BAD)
+  egress {
+    description = "All egress (BAD)"
+    from_port        = 0
+    to_port          = 0
+    protocol         = "-1"
+    cidr_blocks      = ["0.0.0.0/0"]
+    ipv6_cidr_blocks = ["::/0"]
+  }
+
+  # No tags on purpose (BAD)
+}
+
+# Public S3 bucket with public access block disabled (BAD)
+resource "aws_s3_bucket" "insecure_bucket" {
+  bucket        = "cnciso-insecure-demo-${random_id.suffix.hex}"
+  force_destroy = true # allows accidental data loss (BAD)
+  # No server-side encryption block (BAD)
+  # No versioning (BAD)
+  # Public ACL (BAD)
+  acl = "public-read"
+}
+
+resource "aws_s3_bucket_public_access_block" "insecure_bucket_pab" {
+  bucket                  = aws_s3_bucket.insecure_bucket.id
+  block_public_acls       = false  # BAD
+  block_public_policy     = false  # BAD
+  ignore_public_acls      = false  # BAD
+  restrict_public_buckets = false  # BAD
+}
+
+# Random suffix so plans don't collide (demo only)
+resource "random_id" "suffix" {
+  byte_length = 2
+}