This was made using a combination of a screencap taken from the Spring Breakdown special, a whole heap of Cutie Mark vectors taken off of Deviant Art, and GIMP, as well as fonts obtained from the internet. The crosshair was made by me in Inkscape. Credits are as follows:
Cutie Marks:
https://www.deviantart.com/lahirien/art/Timber-Spruce-s-Cutie-Mark-Canon-642741516
https://www.deviantart.com/millennialdan/art/Sunset-Shimmer-s-Cutie-Mark-422549265
https://www.deviantart.com/lahirien/art/Cutie-Marks-of-the-CMC-Canon-565365752
https://www.deviantart.com/blackgryph0n/art/Applejack-Cutie-Mark-204981503
https://www.deviantart.com/blackgryph0n/art/Rainbow-Dash-Cutie-Mark-204981331
https://www.deviantart.com/blackgryph0n/art/Trixie-Cutie-Mark-244349423
https://www.deviantart.com/blackgryph0n/art/Twilight-Sparkle-Cutie-Mark-204983087
https://www.deviantart.com/blackgryph0n/art/Pinkie-Pie-Cutie-Mark-204985851
https://www.deviantart.com/blackgryph0n/art/Fluttershy-Cutie-Mark-204982442
https://www.deviantart.com/serenawyr/art/Cutie-Mark-Compilation-Guide-v1-2-456214376
https://derpibooru.org/images/1363513
https://www.deviantart.com/blackwater627/art/Wallflower-Blush-Cutie-Mark-HD-731488339
https://www.deviantart.com/twinklepie/art/Rarity-s-Cutie-Mark-345159458
https://www.deviantart.com/90sigma/art/Adagio-Dazzle-s-Cutie-Mark-515323968
SUNSET SHIMMER VECTOR:
https://www.deviantart.com/cloudyglow/art/Sunset-Shimmer-Worried-654102467
FONT CREDITS:
https://www.dafont.com/equestria.font
https://www.dafont.com/goodbye-despair.font
https://www.dafont.com/platform-eight.font
Monokuma Eye:
https://www.pinclipart.com/pindetail/oTiTwJ_user-avatar-monokuma-eye-transparent-clipart/