multi-encode

Description

Here is your flag:

H4sIAIpTM2MA/xWPQXObMBBG/1LWaQ+5urbkKgOdLOhbSTcBnVEiUWihA/avD7nv2+89jLQx2d26JKJ36/MwifJbuLBwme8orKMyS38r0rm3zcsee6r/9yqlyp3vAsSGgmtycJ2anS/DVJfwz+YhIM9P9rQKxGj5c0bn+NnmEBvNWvKLxAd+ovRkT2ppCt65GPGy6opmyKhaJnODpqUdr7u4Wfg5JXyoOKh6QanfcUpewK+W3vb+iub471qE+LvkDa1KyN/1sZ9xMrpXjJjD4+CzYFY1uKnG5EDDt46u97YMHzyyw+EHFdbqgl+d3r/6BZmunJNUMJeDf62L+XvcN+zOFYQeFYKEG6fDb2qRfgzF7zKupUPQrU2Th1njTaFT5uGfgvSEJaj66PUk7XlqCIKCmvXy8glk8nKrkAEAAA==

Flag format: ctf{sha256}

Steps

by looking at the provided flag we can see that it is base64 encoded

Solution

when putting the b64 flag in CyberChef we can see that the output is gunzipped and encoded in base64 6 times

Flag

ctf{a7e0c5ea8025205088cc47948d54fe74a66d45ec56728824a163e795f30b3e42}