====================================================================================
#
# 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 unrfsfix.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
    Unreal engine (old games) unrfs work-around 0.1
    by Luigi Auriemma
    e-mail: aluigi@autistici.org
    web:    aluigi.org

INTRO
    Work-around for the unrfs vulnerability:
    .
    . http://aluigi.org/adv/unrfs-adv.txt
    .
    This patch disables the calling of FOutputDevice::Logf avoiding the
    format string vulnerability on most of the affected games and versions.

FILE
    core.dll;core.so

;don't use ONLY_ONE

BYTES_ORIGINAL
    F6 C7 20                ; TEST BH,20
    C7 45 FC 00 00 00 00    ; MOV DWORD PTR SS:[EBP-4],0
    75 ??                   ; JNZ
    A1 ?? ?? ?? ??          ; MOV EAX,DWORD PTR DS:[?GLog@@3PAVFOutputDevice@@A
    8D 95 ?? ?? FF FF       ; LEA EDX,[EBP-2018]
    52                      ; PUSH EDX
    68 FF 02 00 00          ; PUSH 2FF
    50                      ; PUSH EAX
    E8 ?? ?? ?? ??          ; CALL ?Logf@FOutputDevice@@QAAXW4EName@@PBGZZ
    83 C4 0C                ; ADD ESP,0C
    F6 C3 08                ; TEST BL,08
    74 ??                   ; JZ

BYTES_PATCH
    ?? ?? ??
    ?? ?? ?? ?? ?? ?? ??
    eb                      ; jmp