The /opt/unrealircd/Unreal3.2 seems to be a irc server.
Inside the ircd.motd file there is a base64 string, let's analyze it.
root@ip-10-0-101-252:/opt/unrealircd/Unreal3.2# more ircd.motd
iVBORw0KGgoAAAANSUhEUgAAAZoAAAI+CAQAAAAvagSNAAAon0lEQVR42u2dd5ycVdm/n+09W7LZJEsNBCkBBIKIKD96EymKCKKICkrxh4i8ivAiggqIDRSVohiKvCBF4DUgNYEAoaWQ3pPNbjbZvrNTd9pe7x9z8m
R2Mrs7mXkmZGe/1/35mAQJMztzruecc59z7mNZO8AslrIyIeYrFKMoEtvvataxillY2eBxPqAVD...
We have this png:
This image is not the correct ones, so let's see if binwalk can give us some hint:
Stone:Flags syrion$ binwalk img_flag.png
DECIMAL HEXADECIMAL DESCRIPTION
--------------------------------------------------------------------------------
0 0x0 PNG image, 410 x 574, 8-bit gray+alpha, non-interlaced
41 0x29 Zlib compressed data, best compression
10456 0x28D8 Zip archive data, at least v2.0 to extract, compressed size: 139943, uncompressed size: 140224, name: king_of_spades.png
150511 0x24BEF End of Zip archive
Stone:Flags syrion$ binwalk -e img_flag.png
DECIMAL HEXADECIMAL DESCRIPTION
--------------------------------------------------------------------------------
0 0x0 PNG image, 410 x 574, 8-bit gray+alpha, non-interlaced
41 0x29 Zlib compressed data, best compression
10456 0x28D8 Zip archive data, at least v2.0 to extract, compressed size: 139943, uncompressed size: 140224, name: king_of_spades.png
150511 0x24BEF End of Zip archive
Stone:Flags syrion$ cd _img_flag.png.extracted/
Stone:_img_flag.png.extracted syrion$ ls
28D8.zip 29 29.zlib king_of_spades.png
MD5 = 8fc453ee48180b958f98e0d2d856d1c8