ninchdl-listext by yellowstar6 is a utility to decrypt, decompress, read and dump info and URLs from Nintendo Channel download lists, either locally from HD, or directly from the servers. ninchdl-listext requires libiconv.
wc24pubk.mod from Nintendo Channel is required. This is identical for all regions and versions of Nintendo Channel. This can be dumped from the Nintendo Channel data directory on Wii NAND. ninchdl-listext requires Wc24decrypt.