https://buuoj.cn/challenges#[BSidesSF2019]table-tennis![BUUCTF：[BSidesSF2019]table-tennis_html](/i/li/?n=2&i=images/blog/202306/19154609_649007c197ab829188.png?,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_30,g_se,x_10,y_10,shadow_20,type_ZmFuZ3poZW5naGVpdGk=/resize,m_fixed,w_1184 "在这里插入图片描述")
attachment.pcapng
![BUUCTF：[BSidesSF2019]table-tennis_ide_02](/i/li/?n=2&i=images/blog/202306/19154609_649007c1abb7241981.png?,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_30,g_se,x_10,y_10,shadow_20,type_ZmFuZ3poZW5naGVpdGk=/resize,m_fixed,w_1184 "在这里插入图片描述")
在ICMP包的尾部发现html代码，其中有打印base64信息
![BUUCTF：[BSidesSF2019]table-tennis_ide_03](/i/li/?n=2&i=images/blog/202306/19154609_649007c1c420c82143.png?,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_30,g_se,x_10,y_10,shadow_20,type_ZmFuZ3poZW5naGVpdGk=/resize,m_fixed,w_1184 "在这里插入图片描述")
![BUUCTF：[BSidesSF2019]table-tennis_数据导出_04](/i/li/?n=2&i=images/blog/202306/19154609_649007c1e0e4989205.png?,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_30,g_se,x_10,y_10,shadow_20,type_ZmFuZ3poZW5naGVpdGk=/resize,m_fixed,w_1184 "在这里插入图片描述")
![BUUCTF：[BSidesSF2019]table-tennis_数据导出_05](/i/li/?n=2&i=images/blog/202306/19154610_649007c20319387838.png?,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_30,g_se,x_10,y_10,shadow_20,type_ZmFuZ3poZW5naGVpdGk=/resize,m_fixed,w_1184 "在这里插入图片描述")
![BUUCTF：[BSidesSF2019]table-tennis_html_06](/i/li/?n=2&i=images/blog/202306/19154610_649007c21e0ae46159.png?,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_30,g_se,x_10,y_10,shadow_20,type_ZmFuZ3poZW5naGVpdGk=/resize,m_fixed,w_1184 "在这里插入图片描述")
![BUUCTF：[BSidesSF2019]table-tennis_数据导出_07](/i/li/?n=2&i=images/blog/202306/19154610_649007c23868278572.png?,size_16,text_QDUxQ1RP5Y2a5a6i,color_FFFFFF,t_30,g_se,x_10,y_10,shadow_20,type_ZmFuZ3poZW5naGVpdGk=/resize,m_fixed,w_1184 "在这里插入图片描述")
拼接起来就是
Q1RGe0p1c3RBUzBuZ0FiMHV0UDFuZ1Awbmd9>>> import base64
>>> base64.b64decode('Q1RGe0p1c3RBUzBuZ0FiMHV0UDFuZ1Awbmd9')
b'CTF{JustAS0ngAb0utP1ngP0ng}'也可使用脚本将ICMP包中的这些数据导出来，参考如下：
flag{JustAS0ngAb0utP1ngP0ng}