diff --git a/attack/unicode/upsidedown.txt b/attack/unicode/upsidedown.txt
new file mode 100644
index 0000000..1e5ac12
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+++ b/attack/unicode/upsidedown.txt
@@ -0,0 +1,2 @@
+˙ɐnbᴉlɐ ɐuƃɐɯ ǝɹolop ʇǝ ǝɹoqɐl ʇn ʇunpᴉpᴉɔuᴉ ɹodɯǝʇ poɯsnᴉǝ op pǝs 'ʇᴉlǝ ƃuᴉɔsᴉdᴉpɐ ɹnʇǝʇɔǝsuoɔ 'ʇǝɯɐ ʇᴉs ɹolop ɯnsdᴉ ɯǝɹo˥
+00˙Ɩ$-