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#
# this file has been created for the Lame patcher program available for both *nix
# and Windows platforms.
# You need this program for continuing the patching of your files:
#
#   http://aluigi.org/mytoolz.htm#lpatch
#
# Quick step-by-step for Windows:
# - launch lpatch.exe
# - select this aa3blah.lpatch file
# - read the message windows and click yes
# - select the file (usually executables or dlls) to patch
# - read the message windows to know if everything has been patched correctly
# - test your game

TITLE
    America's Army 3 3.0.4 NULL pointer fix 0.1
    by Luigi Auriemma
    e-mail: aluigi@autistici.org
    web:    aluigi.org

INTRO
    This unofficial patch for America's Army 3 is a work-around for the
    security bug described here:
    .
    . http://aluigi.org/adv/aa3blah-adv.txt
    .
    If you are unsure if your server is vulnerable please use the proof-of-concept
    provided there.
    .
    The patch is available only for the version specified in the title, older
    versions will be NOT supported by me so don't ask.

FILE
    libaa3.dll

BYTES_ORIGINAL
    B9 01 00 00 00      ; MOV ECX,1
    8D 45 EC            ; LEA EAX,DWORD PTR SS:[EBP-14]
    89 4C 24 08         ; MOV DWORD PTR SS:[ESP+8],ECX
    8D 75 F2            ; LEA ESI,DWORD PTR SS:[EBP-E]
    89 74 24 04         ; MOV DWORD PTR SS:[ESP+4],ESI
    89 04 24            ; MOV DWORD PTR SS:[ESP],EAX
    E8 CF 27 FE FF      ; CALL libaa3.acpu_decompile

BYTES_PATCH
    8D 45 EC            ; LEA EAX,DWORD PTR SS:[EBP-14]
    8D 75 F2            ; LEA ESI,DWORD PTR SS:[EBP-E]
    6A 01               ; PUSH 1
    56                  ; PUSH ESI
    50                  ; PUSH EAX
    E8 DB 27 FE FF      ; CALL libaa3.acpu_decompile
    83 C4 0C            ; ADD ESP,0C
    33 FF               ; XOR EDI,EDI
    85 C0               ; TEST EAX,EAX
    74 0F               ; JE SHORT libaa3.630F00BD
    90 90 90            ; NOPs

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