joyce8/EMBER2024-capa huggingface dataset:
Function at 0x5109cf
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x20
mov edx, dword [ecx]
mov eax, dword [ecx + 4]
push ebp
mov ebp, dword [eax + 0x18]
mov eax, dword [edx + 0x18]
push esi
mov esi, dword [edx + 0x105c]
push edi
mov edi, dword [edx + 0x1050]
imul esi, edi
add esi, eax
cmp eax, esi
mov dword [esp + 0x24], ecx
mov dword [esp + 0x18], ebp
mov dword [esp + 0x1c], eax
mov dword [esp + 0x28], esi
jae 0x510b05
push ebx
mov edx, dword [edx + 0x1058]
add edx, eax
add edi, eax
cmp eax, edx
mov ebx, eax
mov dword [esp + 0x10], ebp
mov dword [esp + 0x14], ebx
mov dword [esp + 0x18], edi
mov dword [esp + 0x24], edx
jae 0x510ae0
movzx ebp, byte [ebx]
movzx esi, byte [ebx + 1]
movzx eax, byte [edi + 1]
movzx edi, byte [edi]
mov edx, eax
push 0x1c
pop ecx
and edx, ecx
mov ebx, ebp
and ebx, ecx
add edx, ebx
mov ebx, edi
and ebx, ecx
add edx, ebx
mov ebx, esi
and ebx, ecx
lea edx, [edx + ebx + 8]
mov ecx, eax
and ecx, 0xffff00e3
mov ebx, ebp
and ebx, 0xffff00e3
add ecx, ebx
mov ebx, edi
and ebx, 0xffff00e3
add ecx, ebx
mov ebx, esi
and ebx, 0xffff00e3
shr edx, 2
lea ecx, [ecx + ebx + 0x42]
mov ebx, dword [esp + 0x14]
shr ecx, 2
xor dl, cl
mov ecx, 0xe3
and ax, cx
and bp, cx
and di, cx
and si, cx
and dl, 0x1c
add eax, ebp
add eax, edi
mov edi, dword [esp + 0x18]
lea eax, [eax + esi + 0x42]
shr eax, 2
xor dl, al
mov eax, dword [esp + 0x10]
inc dword [esp + 0x10]
inc ebx
inc ebx
inc edi
inc edi
cmp ebx, dword [esp + 0x24]
mov byte [eax], dl
mov dword [esp + 0x14], ebx
mov dword [esp + 0x18], edi
jb 0x510a2e
mov ecx, dword [esp + 0x28]
mov ebp, dword [esp + 0x1c]
mov eax, dword [esp + 0x20]
mov esi, dword [esp + 0x2c]
mov edx, dword [ecx + 4]
add ebp, dword [edx + 0x1050]
mov edx, dword [ecx]
mov edi, dword [edx + 0x1050]
lea eax, [eax + edi*2]
cmp eax, esi
mov dword [esp + 0x1c], ebp
mov dword [esp + 0x20], eax
jb 0x510a0a
pop ebx
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x20
ret
Function at 0x510ba9
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x24
mov edx, dword [ecx]
mov eax, dword [ecx + 4]
mov eax, dword [eax + 0x18]
push ebp
mov ebp, dword [edx + 0x1050]
push edi
mov edi, dword [edx + 0x105c]
imul edi, ebp
mov dword [esp + 0xc], eax
mov eax, dword [edx + 0x18]
add edi, eax
cmp eax, edi
mov dword [esp + 0x24], ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x28], edi
jae 0x510ced
push ebx
push esi
mov esi, 0xff1c
mov ebx, dword [esp + 0x14]
mov edx, dword [edx + 0x1058]
lea edx, [eax + edx*2]
mov dword [esp + 0x10], ebx
add ebp, eax
cmp eax, edx
mov ebx, eax
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x20], ebp
mov dword [esp + 0x28], edx
jae 0x510cc7
movzx edx, word [ebx]
movzx edi, word [ebx + 2]
movzx eax, word [ebp + 2]
movzx ebp, word [ebp]
mov dword [esp + 0x18], edx
mov ebx, eax
mov ecx, 0xe3
and bx, cx
and dx, cx
add ebx, edx
mov edx, ebp
and dx, cx
add ebx, edx
mov edx, edi
and dx, cx
mov ecx, eax
and cx, si
and eax, esi
lea edx, [ebx + edx + 0x42]
mov ebx, dword [esp + 0x18]
and bx, si
shr edx, 2
add ecx, ebx
mov ebx, ebp
and bx, si
and ebp, esi
add ecx, ebx
mov ebx, edi
and bx, si
and edi, esi
lea ecx, [ecx + ebx + 0x208]
mov ebx, dword [esp + 0x1c]
shr ecx, 2
xor dl, cl
mov ecx, dword [esp + 0x18]
and ecx, esi
add eax, ecx
add eax, ebp
mov ebp, dword [esp + 0x20]
lea eax, [eax + edi + 0x208]
shr eax, 2
and edx, 0xffff00e3
xor edx, eax
mov eax, dword [esp + 0x10]
add dword [esp + 0x10], 2
add ebx, 4
add ebp, 4
cmp ebx, dword [esp + 0x28]
mov word [eax], dx
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x20], ebp
jb 0x510c12
mov ecx, dword [esp + 0x2c]
mov eax, dword [esp + 0x24]
mov edi, dword [esp + 0x30]
mov edx, dword [ecx + 4]
mov edx, dword [edx + 0x1050]
add dword [esp + 0x14], edx
mov edx, dword [ecx]
mov ebp, dword [edx + 0x1050]
lea eax, [eax + ebp*2]
cmp eax, edi
mov dword [esp + 0x24], eax
jb 0x510be9
pop esi
pop ebx
pop edi
xor eax, eax
pop ebp
add esp, 0x24
ret
Function at 0x510e16
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x24
mov edx, dword [ecx]
mov eax, dword [ecx + 4]
mov eax, dword [eax + 0x18]
push ebp
mov ebp, dword [edx + 0x1050]
push edi
mov edi, dword [edx + 0x105c]
imul edi, ebp
mov dword [esp + 0xc], eax
mov eax, dword [edx + 0x18]
add edi, eax
cmp eax, edi
mov dword [esp + 0x24], ecx
mov dword [esp + 0x1c], eax
mov dword [esp + 0x28], edi
jae 0x510f5a
push ebx
push esi
mov esi, 0xff00
mov ebx, dword [esp + 0x14]
mov edx, dword [edx + 0x1058]
lea edx, [eax + edx*2]
mov dword [esp + 0x10], ebx
add ebp, eax
cmp eax, edx
mov ebx, eax
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x20], ebp
mov dword [esp + 0x28], edx
jae 0x510f34
movzx edx, word [ebx]
movzx edi, word [ebx + 2]
movzx eax, word [ebp + 2]
movzx ebp, word [ebp]
mov dword [esp + 0x18], edx
mov ebx, eax
mov ecx, 0xff
and bx, cx
and dx, cx
add ebx, edx
mov edx, ebp
and dx, cx
add ebx, edx
mov edx, edi
and dx, cx
mov ecx, eax
and cx, si
and eax, esi
lea edx, [ebx + edx + 2]
mov ebx, dword [esp + 0x18]
and bx, si
shr edx, 2
add ecx, ebx
mov ebx, ebp
and bx, si
and ebp, esi
add ecx, ebx
mov ebx, edi
and bx, si
and edi, esi
lea ecx, [ecx + ebx + 0x200]
mov ebx, dword [esp + 0x1c]
shr ecx, 2
xor dl, cl
mov ecx, dword [esp + 0x18]
and ecx, esi
add eax, ecx
add eax, ebp
mov ebp, dword [esp + 0x20]
lea eax, [eax + edi + 0x200]
shr eax, 2
and edx, 0xffff00ff
xor edx, eax
mov eax, dword [esp + 0x10]
add dword [esp + 0x10], 2
add ebx, 4
add ebp, 4
cmp ebx, dword [esp + 0x28]
mov word [eax], dx
mov dword [esp + 0x1c], ebx
mov dword [esp + 0x20], ebp
jb 0x510e7f
mov ecx, dword [esp + 0x2c]
mov eax, dword [esp + 0x24]
mov edi, dword [esp + 0x30]
mov edx, dword [ecx + 4]
mov edx, dword [edx + 0x1050]
add dword [esp + 0x14], edx
mov edx, dword [ecx]
mov ebp, dword [edx + 0x1050]
lea eax, [eax + ebp*2]
cmp eax, edi
mov dword [esp + 0x24], eax
jb 0x510e56
pop esi
pop ebx
pop edi
xor eax, eax
pop ebp
add esp, 0x24
ret
Function at 0x510f62
Capabilities:
Encode data using xor

Disassembly:
sub esp, 0x20
mov edx, dword [ecx]
mov eax, dword [ecx + 4]
push ebp
mov ebp, dword [eax + 0x18]
mov eax, dword [edx + 0x18]
push esi
mov esi, dword [edx + 0x105c]
push edi
mov edi, dword [edx + 0x1050]
imul esi, edi
add esi, eax
cmp eax, esi
mov dword [esp + 0x24], ecx
mov dword [esp + 0x18], ebp
mov dword [esp + 0x1c], eax
mov dword [esp + 0x28], esi
jae 0x511098
push ebx
mov edx, dword [edx + 0x1058]
add edx, eax
add edi, eax
cmp eax, edx
mov ebx, eax
mov dword [esp + 0x10], ebp
mov dword [esp + 0x14], ebx
mov dword [esp + 0x18], edi
mov dword [esp + 0x24], edx
jae 0x511073
movzx ebp, byte [ebx]
movzx esi, byte [ebx + 1]
movzx eax, byte [edi + 1]
movzx edi, byte [edi]
mov edx, eax
push 0xf
pop ecx
and edx, ecx
mov ebx, ebp
and ebx, ecx
add edx, ebx
mov ebx, edi
and ebx, ecx
add edx, ebx
mov ebx, esi
and ebx, ecx
lea edx, [edx + ebx + 2]
mov ecx, eax
and ecx, 0xffff00f0
mov ebx, ebp
and ebx, 0xffff00f0
add ecx, ebx
mov ebx, edi
and ebx, 0xffff00f0
add ecx, ebx
mov ebx, esi
and ebx, 0xffff00f0
shr edx, 2
lea ecx, [ecx + ebx + 0x20]
mov ebx, dword [esp + 0x14]
shr ecx, 2
xor dl, cl
mov ecx, 0xf0
and ax, cx
and bp, cx
and di, cx
and si, cx
and dl, 0xf
add eax, ebp
add eax, edi
mov edi, dword [esp + 0x18]
lea eax, [eax + esi + 0x20]
shr eax, 2
xor dl, al
mov eax, dword [esp + 0x10]
inc dword [esp + 0x10]
inc ebx
inc ebx
inc edi
inc edi
cmp ebx, dword [esp + 0x24]
mov byte [eax], dl
mov dword [esp + 0x14], ebx
mov dword [esp + 0x18], edi
jb 0x510fc1
mov ecx, dword [esp + 0x28]
mov ebp, dword [esp + 0x1c]
mov eax, dword [esp + 0x20]
mov esi, dword [esp + 0x2c]
mov edx, dword [ecx + 4]
add ebp, dword [edx + 0x1050]
mov edx, dword [ecx]
mov edi, dword [edx + 0x1050]
lea eax, [eax + edi*2]
cmp eax, esi
mov dword [esp + 0x1c], ebp
mov dword [esp + 0x20], eax
jb 0x510f9d
pop ebx
pop edi
pop esi
xor eax, eax
pop ebp
add esp, 0x20
ret
Function at 0x52ad20
Capabilities:
Enumerate pe sections

Disassembly:
mov eax, dword [esp + 0xc]
sub esp, 8
cmp eax, 3
push ebx
push esi
jne 0x52ad89
mov eax, dword [esp + 0x14]
mov edx, dword [esp + 0x18]
mov cx, word [eax + 0x118]
test cx, cx
jne 0x52ad4b
test byte [eax + 0x230], 1
jne 0x52ad68
movzx si, byte [edx]
cmp si, cx
jbe 0x52ad68
push str.Invalid_background_palette_index
push eax
call fcn.0052c920
add esp, 8
pop esi
pop ebx
add esp, 8
ret
mov cl, byte [edx]
push 1
mov byte [esp + 0xc], cl
lea edx, [esp + 0xc]
push edx
push str.bKGD
push eax
call fcn.00529940
add esp, 0x10
pop esi
pop ebx
add esp, 8
ret
test al, 2
je 0x52ae01
mov esi, dword [esp + 0x18]
xor eax, eax
lea ecx, [esp + 8]
mov ax, word [esi + 2]
push eax
push ecx
call fcn.00529920
xor edx, edx
lea eax, [esp + 0x12]
mov dx, word [esi + 4]
push edx
push eax
call fcn.00529920
xor ecx, ecx
lea edx, [esp + 0x1c]
mov cx, word [esi + 6]
push ecx
push edx
call fcn.00529920
mov eax, dword [esp + 0x2c]
add esp, 0x18
cmp byte [eax + 0x127], 8
jne 0x52adfa
mov cl, byte [esp + 0xc]
mov bl, byte [esp + 0xa]
mov dl, byte [esp + 8]
or cl, bl
or cl, dl
je 0x52adfa
push str.Ignoring_attempt_to_write_16_bit_bKGD_chunk_when_bit_depth_is_8
push eax
call fcn.0052c920
add esp, 8
pop esi
pop ebx
add esp, 8
ret
push 6
jmp 0x52ad70
mov ecx, dword [esp + 0x18]
mov esi, dword [esp + 0x14]
xor eax, eax
mov edx, 1
mov ax, word [ecx + 8]
mov cl, byte [esi + 0x127]
shl edx, cl
cmp eax, edx
jl 0x52ae34
push str.Ignoring_attempt_to_write_bKGD_chunk_out_of_range_for_bit_depth
push esi
call fcn.0052c920
add esp, 8
pop esi
pop ebx
add esp, 8
ret
push eax
lea eax, [esp + 0xc]
push eax
call fcn.00529920
lea ecx, [esp + 0x10]
push 2
push ecx
push str.bKGD
push esi
call fcn.00529940
add esp, 0x18
pop esi
pop ebx
add esp, 8
ret
Function at 0x52dd30
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
mov ecx, dword [esp + 8]
test ecx, ecx
jne 0x52dd3b
xor eax, eax
ret
mov eax, dword [esp + 4]
push ebx
push esi
mov esi, dword [esp + 0x14]
cmp esi, 8
not eax
jb 0x52de3e
push edi
mov edi, esi
shr edi, 3
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
mov ebx, eax
shr ebx, 8
mov eax, dword [edx*4 + 0x55ab98]
sub esi, 8
xor eax, ebx
inc ecx
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x55ab98]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x55ab98]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x55ab98]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x55ab98]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov edx, dword [edx*4 + 0x55ab98]
shr eax, 8
xor edx, eax
inc ecx
mov eax, edx
and eax, 0xff
xor eax, ebx
xor ebx, ebx
mov bl, byte [ecx + 1]
mov eax, dword [eax*4 + 0x55ab98]
shr edx, 8
xor eax, edx
inc ecx
mov edx, eax
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x55ab98]
xor eax, edx
inc ecx
dec edi
jne 0x52dd56
pop edi
test esi, esi
je 0x52de60
mov edx, eax
xor ebx, ebx
mov bl, byte [ecx]
and edx, 0xff
xor edx, ebx
shr eax, 8
mov edx, dword [edx*4 + 0x55ab98]
xor eax, edx
inc ecx
dec esi
jne 0x52de42
pop esi
pop ebx
not eax
ret

Function at 0x530140
Capabilities:
Read file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
mov eax, dword [esi + 0x3c]
test eax, eax
je 0x530151
or eax, 0xffffffff
pop esi
ret
mov eax, dword [esi + 4]
test eax, eax
jne 0x5301a0
call dword [sym.imp.MSVCRT.dll__errno]
mov dword [eax], 0
mov eax, dword [esi + 0x40]
mov ecx, dword [esi + 0x44]
push eax
push 0x4000
push 1
push ecx
call dword [sym.imp.MSVCRT.dll_fread]
add esp, 0x10
mov dword [esi + 4], eax
test eax, eax
jne 0x53019b
mov edx, dword [esi + 0x40]
mov dword [esi + 0x3c], 1
or eax, 0xffffffff
test byte [edx + 0xc], 0x20
je 0x5301b2
mov dword [esi + 0x38], eax
pop esi
ret
mov eax, dword [esi + 0x44]
mov dword [esi], eax
mov eax, dword [esi + 4]
xor ecx, ecx
dec eax
mov dword [esi + 4], eax
mov eax, dword [esi]
mov cl, byte [eax]
inc eax
mov dword [esi], eax
mov eax, ecx
pop esi
ret
Function at 0x530540
Capabilities:
Write file on windows

Disassembly:
push esi
mov esi, dword [esp + 8]
test esi, esi
je 0x5305da
cmp byte [esi + 0x5c], 0x77
jne 0x5305da
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push edi
test ebx, ebx
mov dword [esi], eax
mov dword [esi + 4], ebx
je 0x5305ba
mov edi, dword [sym.imp.MSVCRT.dll_fwrite]
mov eax, dword [esi + 0x10]
test eax, eax
jne 0x530598
mov ecx, dword [esi + 0x40]
mov eax, dword [esi + 0x48]
push ecx
push 0x4000
push 1
push eax
mov dword [esi + 0xc], eax
call edi
add esp, 0x10
cmp eax, 0x4000
jne 0x5305b3
mov dword [esi + 0x10], eax
push 0
push esi
call fcn.0052ea80
add esp, 8
mov dword [esi + 0x38], eax
test eax, eax
jne 0x5305ba
mov eax, dword [esi + 4]
test eax, eax
jne 0x530570
jmp 0x5305ba
mov dword [esi + 0x38], 0xffffffff
mov edx, dword [esp + 0x14]
mov eax, dword [esi + 0x4c]
push ebx
push edx
push eax
call fcn.0052dd30
mov ecx, dword [esi + 4]
add esp, 0xc
mov dword [esi + 0x4c], eax
mov eax, ebx
pop edi
pop ebx
sub eax, ecx
pop esi
ret
mov eax, 0xfffffffe
pop esi
ret

Function at 0x5306f0
Capabilities:
Write file on windows

Disassembly:
push ebx
push esi
mov esi, dword [esp + 0xc]
xor ebx, ebx
test esi, esi
push edi
je 0x53079e
cmp byte [esi + 0x5c], 0x77
jne 0x53079e
mov dword [esi + 4], ebx
mov eax, dword [esi + 0x10]
mov edi, 0x4000
sub edi, eax
je 0x53073f
mov eax, dword [esi + 0x40]
mov ecx, dword [esi + 0x48]
push eax
push edi
push 1
push ecx
call dword [sym.imp.MSVCRT.dll_fwrite]
add esp, 0x10
cmp eax, edi
jne 0x530784
mov edx, dword [esi + 0x48]
mov dword [esi + 0x10], 0x4000
mov dword [esi + 0xc], edx
test ebx, ebx
jne 0x53078e
mov eax, dword [esp + 0x14]
push eax
push esi
call fcn.0052ea80
add esp, 8
mov dword [esi + 0x38], eax
test edi, edi
jne 0x530760
cmp eax, 0xfffffffb
jne 0x530760
mov dword [esi + 0x38], edi
mov eax, dword [esi + 0x10]
test eax, eax
jne 0x530771
cmp dword [esi + 0x38], 1
je 0x530771
xor ebx, ebx
jmp 0x530776
mov ebx, 1
mov eax, dword [esi + 0x38]
test eax, eax
je 0x53070e
cmp eax, 1
jne 0x53078e
jmp 0x53070e
or eax, 0xffffffff
pop edi
mov dword [esi + 0x38], eax
pop esi
pop ebx
ret
mov esi, dword [esi + 0x38]
pop edi
mov eax, esi
dec eax
neg eax
sbb eax, eax
and eax, esi
pop esi
pop ebx
ret
pop edi
pop esi
mov eax, 0xfffffffe
pop ebx
ret
Function at 0x535ce0
Capabilities:
Extract resource via kernel32 functions

Disassembly:
mov eax, dword fs:[0]
push 0xffffffffffffffff
push 0x556cd8
push eax
mov dword fs:[0], esp
sub esp, 0x18
push ebx
mov ebx, dword [esp + 0x2c]
push ebp
mov ebp, dword [esp + 0x38]
push esi
push edi
push ebx
mov edi, ecx
push ebp
call dword [sym.imp.KERNEL32.dll_SizeofResource]
push ebx
push ebp
mov esi, eax
call dword [sym.imp.KERNEL32.dll_LoadResource]
xor ebx, ebx
cmp eax, ebx
je 0x535d81
push eax
call dword [sym.imp.KERNEL32.dll_LockResource]
cmp eax, ebx
je 0x535da6
mov ebp, sym.VisualBoyAdvance.exe_const_CxMemFile::vftable
mov dword [esp + 0x14], eax
mov dword [esp + 0x10], ebp
mov dword [esp + 0x20], ebx
mov dword [esp + 0x24], esi
mov dword [esp + 0x18], esi
mov byte [esp + 0x1c], bl
mov eax, dword [esp + 0x3c]
lea ecx, [esp + 0x10]
push eax
push ecx
mov ecx, edi
mov dword [esp + 0x38], ebx
call sym.VisualBoyAdvance.exe_public:_bool___thiscall_CxImage::Decode_class_CxFile___unsigned_long_int_
mov byte [esp + 0x38], al
mov eax, dword [esp + 0x14]
cmp eax, ebx
mov dword [esp + 0x10], ebp
je 0x535d7b
cmp byte [esp + 0x1c], bl
je 0x535d7b
push eax
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
mov al, byte [esp + 0x38]
jmp 0x535da8
lea edx, [edi + 0x44]
mov edi, str.Unable_to_load_resource_
or ecx, 0xffffffff
xor eax, eax
repne scasb al, byte es:[edi]
not ecx
sub edi, ecx
mov eax, ecx
mov esi, edi
mov edi, edx
shr ecx, 2
rep movsd dword es:[edi], dword [esi]
mov ecx, eax
and ecx, 3
rep movsb byte es:[edi], byte [esi]
xor al, al
mov ecx, dword [esp + 0x28]
pop edi
pop esi
pop ebp
pop ebx
mov dword fs:[0], ecx
add esp, 0x24
ret 0xc

Function at 0x535e50
Capabilities:
Access peb ldr_data
Get ntdll base address

Disassembly:
push 0xffffffffffffffff
push 0x556cf8
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x18
push esi
push edi
mov edi, dword [esp + 0x38]
mov esi, ecx
push edi
mov dword [esi], sym.VisualBoyAdvance.exe_const_CxImage::vftable
call sym.VisualBoyAdvance.exe_protected:_void___thiscall_CxImage::Startup_unsigned_long_int_
mov eax, dword [esp + 0x30]
mov ecx, dword [esp + 0x34]
test eax, eax
mov dword [esp + 0xc], eax
mov dword [esp + 8], sym.VisualBoyAdvance.exe_const_CxMemFile::vftable
sete al
mov dword [esp + 0x18], 0
mov dword [esp + 0x1c], ecx
mov dword [esp + 0x10], ecx
mov byte [esp + 0x14], al
lea ecx, [esp + 8]
push edi
push ecx
mov ecx, esi
mov dword [esp + 0x30], 0
call sym.VisualBoyAdvance.exe_public:_bool___thiscall_CxImage::Decode_class_CxFile___unsigned_long_int_
mov eax, dword [esp + 0xc]
mov dword [esp + 8], sym.VisualBoyAdvance.exe_const_CxMemFile::vftable
test eax, eax
je 0x535ee0
mov cl, byte [esp + 0x14]
test cl, cl
je 0x535ee0
push eax
call dword [sym.imp.MSVCRT.dll_free]
add esp, 4
mov ecx, dword [esp + 0x20]
mov eax, esi
pop edi
pop esi
mov dword fs:[0], ecx
add esp, 0x24
ret 0xc
Function at 0x5402a0
Capabilities:
Check for software breakpoints

Disassembly:
push esi
mov esi, dword [esp + 8]
cmp dword [esi + 0x14], 0xca
jne 0x5402d0
push esi
call fcn.005407a0
mov al, byte [esi + 0x40]
add esp, 4
test al, al
je 0x5402c9
mov dword [esi + 0x14], 0xcf
mov al, 1
pop esi
ret
mov dword [esi + 0x14], 0xcb
mov eax, dword [esi + 0x14]
cmp eax, 0xcb
jne 0x540353
mov eax, dword [esi + 0x190]
mov cl, byte [eax + 0x10]
test cl, cl
je 0x54033f
mov eax, dword [esi + 8]
test eax, eax
je 0x5402f4
push esi
call dword [eax]
add esp, 4
mov ecx, dword [esi + 0x190]
push esi
call dword [ecx]
add esp, 4
test eax, eax
je 0x54033b
cmp eax, 2
je 0x54033f
mov ecx, dword [esi + 8]
test ecx, ecx
je 0x5402e7
cmp eax, 3
je 0x54031a
cmp eax, 1
jne 0x5402e7
mov eax, dword [ecx + 4]
inc eax
mov dword [ecx + 4], eax
mov eax, dword [esi + 8]
mov ecx, dword [eax + 8]
mov edx, dword [eax + 4]
cmp edx, ecx
jl 0x5402e7
mov edx, dword [esi + 0x11c]
add edx, ecx
mov dword [eax + 8], edx
jmp 0x5402e7
xor al, al
pop esi
ret
mov eax, dword [esi + 0x7c]
push esi
mov dword [esi + 0x84], eax
call fcn.00540380
add esp, 4
pop esi
ret
cmp eax, 0xcc
je 0x540373
mov ecx, dword [esi]
push esi
mov dword [ecx + 0x14], 0x14
mov edx, dword [esi]
mov eax, dword [esi + 0x14]
mov dword [edx + 0x18], eax
mov ecx, dword [esi]
call dword [ecx]
add esp, 4
push esi
call fcn.00540380
add esp, 4
pop esi
ret

Function at 0x541220
Capabilities:
Enumerate pe sections

Disassembly:
mov ecx, dword [esp + 0xc]
cmp ecx, 0xc
jb 0x5412da
mov eax, dword [esp + 8]
cmp byte [eax], 0x41
jne 0x5412da
cmp byte [eax + 1], 0x64
jne 0x5412da
cmp byte [eax + 2], 0x6f
jne 0x5412da
cmp byte [eax + 3], 0x62
jne 0x5412da
cmp byte [eax + 4], 0x65
jne 0x5412da
push ebx
xor ecx, ecx
mov cl, byte [eax + 7]
push ebp
push esi
push edi
mov edi, ecx
xor edx, edx
mov dl, byte [eax + 8]
xor ecx, ecx
mov cl, byte [eax + 9]
mov esi, dword [esp + 0x14]
shl edi, 8
add edi, edx
mov ebp, ecx
xor edx, edx
xor ecx, ecx
mov dl, byte [eax + 0xa]
mov cl, byte [eax + 0xb]
shl ebp, 8
add ebp, edx
xor edx, edx
mov dl, byte [eax + 5]
xor ebx, ebx
mov bl, byte [eax + 6]
mov dword [esp + 0x1c], ecx
mov ecx, dword [esi]
mov dword [ecx + 0x1c], edi
shl edx, 8
add ecx, 0x18
add edx, ebx
mov ebx, dword [esp + 0x1c]
push 1
mov dword [ecx], edx
mov dword [ecx + 8], ebp
mov dword [ecx + 0xc], ebx
mov eax, dword [esi]
push esi
mov dword [eax + 0x14], 0x4c
mov ecx, dword [esi]
call dword [ecx + 4]
add esp, 8
mov byte [esi + 0x108], 1
mov byte [esi + 0x109], bl
pop edi
pop esi
pop ebp
pop ebx
ret
mov eax, dword [esp + 4]
push 1
push eax
mov edx, dword [eax]
mov dword [edx + 0x14], 0x4e
mov edx, dword [esp + 0x18]
add ecx, edx
mov edx, dword [eax]
mov dword [edx + 0x18], ecx
mov ecx, dword [eax]
call dword [ecx + 4]
add esp, 8
ret
Function at 0x542df0
Capabilities:
Query environment variable

Disassembly:
push ecx
push ebx
push esi
push edi
mov edi, dword [esp + 0x14]
xor ebx, ebx
push edi
mov dword [edi + 4], ebx
call fcn.0054a540
push 0x54
push edi
mov dword [esp + 0x18], eax
call fcn.0054a4f0
mov esi, eax
add esp, 0xc
cmp esi, ebx
jne 0x542e34
push edi
call fcn.0054a550
mov eax, dword [edi]
push edi
mov dword [eax + 0x14], 0x36
mov ecx, dword [edi]
mov dword [ecx + 0x18], ebx
mov edx, dword [edi]
call dword [edx]
add esp, 8
mov dword [esi], fcn.00542f30
mov dword [esi + 4], fcn.00543080
mov dword [esi + 8], fcn.00543130
mov dword [esi + 0xc], fcn.005431e0
mov dword [esi + 0x10], 0x543290
mov dword [esi + 0x14], 0x543300
mov dword [esi + 0x18], 0x543370
mov dword [esi + 0x1c], 0x5434f0
mov dword [esi + 0x20], 0x5436e0
mov dword [esi + 0x24], fcn.005438d0
mov dword [esi + 0x28], 0x5439d0
mov dword [esi + 0x30], 0x3b9aca00
mov eax, dword [esp + 0xc]
mov ecx, 2
mov dword [esi + 0x2c], eax
lea eax, [esi + 0x40]
mov dword [eax - 8], ebx
mov dword [eax], ebx
sub eax, 4
dec ecx
jne 0x542e96
mov dword [esi + 0x44], ebx
mov dword [esi + 0x48], ebx
mov dword [esi + 0x4c], 0x54
push str.JPEGMEM
mov dword [edi + 4], esi
call dword [sym.imp.MSVCRT.dll_getenv]
add esp, 4
cmp eax, ebx
je 0x542f28
lea ecx, [esp + 0x14]
lea edx, [esp + 0xc]
push ecx
push edx
push str._ld_c
push eax
mov byte [esp + 0x24], 0x78
call dword [sym.imp.MSVCRT.dll_sscanf]
add esp, 0x10
test eax, eax
jle 0x542f28
mov al, byte [esp + 0x14]
cmp al, 0x6d
je 0x542ef1
cmp al, 0x4d
jne 0x542f15
mov eax, dword [esp + 0xc]
pop edi
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
mov dword [esi + 0x2c], eax
pop esi
pop ebx
pop ecx
ret
mov eax, dword [esp + 0xc]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
lea eax, [eax + eax*4]
shl eax, 3
mov dword [esi + 0x2c], eax
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x409ebd
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
add esp, 0xfffffff0
mov eax, section.sect_0
call 0x409ebd
lcall 0x5de5, 0x8b10c483
jmp fcn.0076d6b4
Function at 0x421220
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
push ecx
mov eax, dword [0xb09f88]
xor edx, edx
cmp eax, edx
jne 0x421246
xor eax, eax
mov byte [eax + 0xb09e88], al
inc eax
cmp eax, 0x100
jl 0x42122e
mov dword [0xb09f88], 1
mov eax, dword [esp + 0xc]
push ebx
mov ebx, dword [esp + 0x14]
push esi
push edi
mov ecx, 0x40
mov esi, 0xb09e88
mov edi, ebx
rep movsd dword es:[edi], dword [esi]
cmp eax, edx
mov byte [ebx + 0x100], dl
mov byte [ebx + 0x101], dl
jle 0x4212d7
xor esi, esi
push ebp
mov byte [esp + 0x20], dl
xor ecx, ecx
mov edi, dword [esp + 0x20]
mov ebp, dword [esp + 0x18]
mov al, byte [esi + ebx]
and edi, 0xff
xor edx, edx
mov dl, byte [edi + ebp]
mov ebp, eax
and ebp, 0xff
add ecx, edx
add ecx, ebp
and ecx, 0x800000ff
jns 0x4212aa
dec ecx
or ecx, 0xffffff00
inc ecx
mov byte [esp + 0x10], cl
mov ecx, dword [esp + 0x10]
and ecx, 0xff
mov dl, byte [ecx + ebx]
mov byte [esi + ebx], dl
mov byte [ecx + ebx], al
lea eax, [edi + 1]
cdq
idiv dword [esp + 0x1c]
inc esi
cmp esi, 0x100
mov byte [esp + 0x20], dl
jl 0x421278
pop ebp
pop edi
pop esi
pop ebx
pop ecx
ret

Function at 0x4212e0
Capabilities:
Encode data using xor

Disassembly:
push ebp
mov ebp, esp
sub esp, 8
mov eax, dword [ebp + 0x10]
push ebx
push esi
push edi
mov cl, byte [eax + 0x100]
mov dl, byte [eax + 0x101]
mov dword [ebp - 8], eax
mov byte [ebp - 1], cl
mov byte [ebp - 2], dl
xor ebx, ebx
mov bl, byte [ebp - 1]
xor edx, edx
mov dl, byte [ebp - 2]
mov esi, dword [ebp - 8]
mov edi, dword [ebp + 8]
xor eax, eax
mov ecx, dword [ebp + 0xc]
test ecx, ecx
jle 0x421333
inc bl
mov al, byte [esi + ebx]
add dl, al
xchg byte [esi + edx], al
mov byte [esi + ebx], al
add al, byte [esi + edx]
mov al, byte [esi + eax]
xor byte [edi], al
inc edi
dec ecx
jne 0x42131a
mov byte [ebp - 1], bl
mov byte [ebp - 2], dl
mov eax, dword [ebp + 0x10]
mov cl, byte [ebp - 1]
mov dl, byte [ebp - 2]
pop edi
pop esi
mov byte [eax + 0x100], cl
mov byte [eax + 0x101], dl
pop ebx
mov esp, ebp
pop ebp
ret