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31 lines
734 B
Markdown
31 lines
734 B
Markdown
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`Taken verbatim from my notebook`
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# Page 1
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```
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Jakarta
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Acquires 0xff username bytes
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-> 3ff2
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Acquires 0x1f - uname_len password bytes
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(1f - uname_len) & 0x1ff
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uname_len = 0x20? 0x21?
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=> passwd_len = 0x1ff
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-> concatenated to username?
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Return value at 401c
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= [username][password][...]
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before strcpy:
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username -> 2402
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password -> 2402
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concat happens in stack buffer
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Length check happens Byte
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0120 ~= 0x20 <= 0x21
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u_len = (20 or 21)
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p_len = (e0 -> 100)
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Password
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AA [r11] [ret] [fakeret] [args] [AA...AA]
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Lesson: Sometimes things are not the data type you think they are
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```
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`// TODO: What does this mean??`
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