Realworld CTF 之 hso-groupie Writeup

https://mp.weixin.qq.com/s/jE4BHwgQ9gu0G5Pf-jvUjw

FLAG: https://github.com/Qwaz/solved-hacking-problem/tree/master/RealWorldCTF/2022/FLAG

rwctf-4th-desperate-cat:

https://mp.weixin.qq.com/s/QQ2xR32Fxj_nnMsFCucbCg

https://github.com/voidfyoo/rwctf-4th-desperate-cat

Realworld CTF 之 rtos FLAG writeup

https://mp.weixin.qq.com/s/wY3yXkoIOumpwJF9VvAJ7Q

Real World CTF 4th hso groupie: https://github.com/Riatre/hso-groupie

Real World CTF 4th SVME writeup https://gist.github.com/zTrix/09038e79278b54f440178a728a14f36e Real World CTF 4th RWDN writeup https://gist.github.com/wupco/8d4c85b93458364ec49617cff182c597 Real World CTF 4th trust_or_not writeup https://github.com/perfectblue/ctf-writeups/tree/master/2022/realworld-ctf-2022/trust_or_not Real World CTF 4th untrustZone writeup https://github.com/perfectblue/ctf-writeups/tree/master/2022/realworld-ctf-2022/untrustZone Real World CTF 4th QLaaS writeup: https://gist.github.com/zTrix/89e664a926c27dffbfc17b50fb60f5e9 Real World CTF 4th Rise of Sky Tool: https://github.com/leommxj/ghidra_csky Real World CTF 4th Hack into Skynet writeup: https://gist.github.com/zTrix/9cbcfdeff0c404e4b95454b2b13e9318

secured-java: https://www.kalmarunionen.dk/writeups/2022/rwctf/secured-java/

Pwn:

FLAG:

FreeRTOS+LwIP+ARM+GoAhead

I don't want another backdoor ctf. So I have to say: "There is a backdoor in challange"
The default account in attachment is admin:admin

nc 8.210.44.156 31337

[attachment](<https://realworldctf-attachment.oss-accelerate.aliyuncs.com/flag_36a6ce00a9bf39c377b0e1d0a2c1f358.tar.gz>)

Pwn, difficulty:normal

Hint: flag.bin has a backdoor/bugdoor and you're supposed to take over it. The flag is not embedded in the binary and will be made available to the appliance via network at runtime, see docker-compose.yml in attachment for details.

SVME:

Professor Terence Parr has taught us [how to build a virtual machine](<https://www.slideshare.net/parrt/how-to-build-a-virtual-machine>). Now it's time to break it!

nc 47.243.140.252 1337

[attachment](<https://realworldctf-attachment.oss-accelerate.aliyuncs.com/svme_9495bfd34dcaea7af748f1138d5fc25e.tar.gz>)

Clone-and-Pwn, Virtual Machine, difficulty:baby