题目链接:https://buuoj.cn/challenges#Windows%E7%B3%BB%E7%BB%9F%E5%AF%86%E7%A0%81
题目用文本可以看到
Administrator:500:aad3b435b51404eeaad3b435b51404ee:31d6cfe0d16ae931b73c59d7e0c089c0:::
ctf:1002:06af9108f2e1fecf144e2e8adef09efd:a7fcb22a88038f35a8f39d503e7f0062:::
Guest:501:aad3b435b51404eeaad3b435b51404ee:31d6cfe0d16ae931b73c59d7e0c089c0:::
SUPPORT_388945a0:1001:aad3b435b51404eeaad3b435b51404ee:bef14eee40dffbc345eeb3f58e290d56:::
可以看到冒号之间的字符串都是32位的,文件名为"pass.hash",用md5解密对这8个字符串一个个尝试,在解密字符串"a7fcb22a88038f35a8f39d503e7f0062"得到flag
flag:good-luck