「配枪朱丽叶。」

RootのCTF学习笔记。

xctf-misc1

题目描述:

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50pt

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d4e8e1f4a0f7e1f3a0e6e1f3f4a1a0d4e8e5a0e6ece1e7a0e9f3baa0c4c4c3d4c6fbb9e1b2e2e5e2b5b4e4b8b7e6e1e1b6b9e4b5e3b8b1b1e3e5b5b6b4b1b0e4e6b2fd

很明显是十六进制,两个一组拆开进行ascii移位即可。

a = "d4e8e1f4a0f7e1f3a0e6e1f3f4a1a0d4e8e5a0e6ece1e7a0e9f3baa0c4c4c3d4c6fbb9e1b2e2e5e2b5b4e4b8b7e6e1e1b6b9e4b5e3b8b1b1e3e5b5b6b4b1b0e4e6b2fd"
step = 2
b = [a[i:i+step] for i in range(0,len(a),step)]
str = []
for i in b:
    str.append(i)
for j in range(50,150):
    for i in str:
        print(chr(int(i,16)-j),end="")
    print()