BUUCTF(MISC)_[DDCTF2018]

目录[DDCTF2018](╯°□°╯︵ ┻━┻[DDCTF2018]流量分析[DDCTF2018](╯°□°╯︵ ┻━┻点击跳转至题目keyd4e8e1f4a0f7e1f3a0e6e1f3f4a1a0d4e8e5a0e6ece1e7a0e9f3baa0c4c4c3d4c6fbb9b2b2e1e2b9b9b7b4e1b4b7e3e4b3b2b2e3e6b4b3e2b5b0b6b1b0e6e1e5e1b5fd hex[] flag for i in range(0,len(key)-1,2): zdhkey[i:i2] hex.append(zdh) for i in range(len(hex)): zdh1hex[i] flagchr(int(int(zdh1,16))-128) print(flag)DDCTF{922ab9974a47cd322cf43b50610faea5}[DDCTF2018]流量分析点击跳转至题目tcp contains KEYE4BDA0E5A5BDEFBC8CE8AFB7E4BDA0E5B086E5AF86E992A5E5AE89E8A385E588B0E69C8DE58AA1E599A8E4B88AE38082E8B0A2E8B0A2https://www.w3cschool.cn/tools/index?namedecode_encode_tool将base64转换为图片将图片内容转成文本https://www.onlineocr.net/zh_hant/套上正确的SSL私钥格式保存为txt文件-----BEGIN RSA PRIVATE KEY----- MIICXAIBAAKBgQDCm6vZmclJrVH1AAyGuCuSSZ8OmIQiOUQCvN0HYbj8153JfSQ LsJIhbRYS7zZ1oXvPemWQDv/u/tzegt58q4ciNmcVnq1uKiygc6QOtvT7oiSTyO vMX/q5iE2iClYUIHZEKX3BjjNDxrYvLQzPyGD1EY2DZIO6T45FNKYC2VDwIDAQAB AoGAbtWUKUkx37lLfRq7B5sqjZVKdpBZe4tL0jg6cX5Djd3Uhk1inR9UXVNw4/y4 QGfzYqOn8Cq7QSoBysHOeXSiPztW2cL09ktPgSlfTQyN6ELNGuiUOYnaTWYZpp/ QbRcZ/eHBulVQLlk5M6RVs9BLI9X08RAl7EcwumiRfWas6kCQQDvqC0dxl2wIjwN czILcoWLig2c2u71Nev9DrWjWHU8eHDuzCJWvOUAHIrkexddWEK2VHdF13GBCOQ ZCM4prBjAkEAzENahsEjBE47H1HdIaw0goe/45d6A2ewO/lYH6dDZTAzTW9z9 kzV8uzMmo5163/JtvwYQcKF39DJGGtqZQJBAKa18XR16fQ9TFL64EQwTQtYBzN 04eTWQCmH3haeQ/0Cd9XyHBUveJ42Be8/jeDcIx7dGLxZKajHbEAfBFnAsCQGq1 AnbJ4Z6opJCGuUP2c8SC8m0bhZJDelPRC8IKE28eB6SotgP61ZqaVmQHLJ1/wH /5pfc3AmEyRdfyx6zwUCQCAH4SLJv/kprRz1a1gx8FR5tj4NeHEFFNEgq1gmiwmH 2STT5qZWzQFz8NRe/otNOHBR2Xk4e8ISehIJ3TvyE -----END RSA PRIVATE KEY-----Wireshark添加上TLS密钥编辑--首选项--Protocols--TLS--Edit点击号点击KeyFile选择刚刚的txt文件过滤http追踪流http得到flagflag{0ca2d8642f90e10efd9092cd6a2831c0}