CHIqueen
======= Difficulty level : Medium ======== A number station in Russia broadcasted a series of encoded messages to one of it's intelligence agency. We have been able to get a piece of that message along with a picture hidden by one of the spy. Decode the transmitted data and be a hero!! Link : https://goo.gl/JQTKXA ========== Authors : cr4ck3t ========== 문제 파일을 보면 index.png와 new.mp3가 있습니다.mp3파일을 ..
======= Difficulty level : Easy ======== A harmful ransomware script encrypted my precious text and hid it somewhere. I was going through some old photos when this incident happened. Luckily I was able to dump the memory as soon as I noticed something suspicious. Can you retrieve my data? Chall Link : https://goo.gl/uKLdkf ========== Authors : stuxn3t, cr4ck3t ========== 메모리 덤프파일이 주워 집니다.우선 이미지 ..
======= Difficulty level : Medium ======== Kevin sent me a file with some hidden message. Help me recover this secret from this bizzare network. ========== Authors : cr4ck3t ========== 먼저 bizz.pcap파일을 열어 줍니다. 패킷을 보다가 크기가 좀? 큰 ICMP패킷을 보았더니 504B0304로 시작하는게 눈에 띄어서 ICMP패킷을 필터링해서 보았습니다. 16번, 449번, 961번 패킷에서 값들을 복사해 다시 만들어 줍니다. 압축을 해재해 주면 inctf{_x0meTime3s_u_h4v3_t0_lOOk_3v3eryWh3r3_cl0s3r_T0_G3T_th3_..