Function at 0x4bee54
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x34
push ebx
xor ebx, ebx
test byte [ebp + 0x10], 0x80
push esi
push edi
mov esi, eax
mov dword [ebp - 0x24], ebx
mov dword [ebp - 0x28], ebx
mov byte [ebp - 2], bl
mov dword [ebp - 0x34], 0xc
mov dword [ebp - 0x30], ebx
je 0x4bee83
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4bee8d
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004bfcb4
test eax, eax
pop ecx
je 0x4beea8
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004ac10f
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004b00ed
test eax, eax
pop ecx
je 0x4beec3
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004ac10f
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4beee0
test ecx, 0x74000
jne 0x4beedc
cmp dword [ebp - 0x24], eax
je 0x4beee0
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, Ordinal_4
je 0x4bef3a
dec eax
je 0x4bef24
dec eax
je 0x4bef1f
call fcn.004acb26
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004acb13
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004ac20b
add esp, 0x14
jmp 0x4bf4ec
mov dword [ebp - 8], edx
jmp 0x4bef3d
test cl, 8
je 0x4bef31
test ecx, 0x70000
jne 0x4bef1f
mov dword [ebp - 8], 0x40000000
jmp 0x4bef3d
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4bef7e
sub eax, ecx
je 0x4bef75
sub eax, ecx
je 0x4bef6c
sub eax, ecx
je 0x4bef63
sub eax, 0x40
jne 0x4beef9
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4bef81
mov dword [ebp - 0x10], 3
jmp 0x4bef81
mov dword [ebp - 0x10], 2
jmp 0x4bef81
mov dword [ebp - 0x10], 1
jmp 0x4bef81
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, 0x100
jg 0x4befd4
je 0x4befcb
cmp eax, ebx
je 0x4befcb
cmp eax, edi
je 0x4befc2
cmp eax, 0x200
je 0x4bf047
cmp eax, 0x300
jne 0x4beef9
mov dword [ebp - 0x14], 2
jmp 0x4beff1
mov dword [ebp - 0x14], 4
jmp 0x4beff1
mov dword [ebp - 0x14], 3
jmp 0x4beff1
cmp eax, 0x500
je 0x4befea
cmp eax, 0x600
je 0x4bf047
cmp eax, edx
jne 0x4beef9
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4bf015
mov ecx, dword [0x4ee38c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4bf015
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4bf031
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4bf031
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4bf03a
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4bf050
or dword [ebp - 0xc], 0x8000000
jmp 0x4bf05b
mov dword [ebp - 0x14], 5
jmp 0x4beff1
test al, 0x10
je 0x4bf05b
or dword [ebp - 0xc], 0x10000000
call fcn.004bb983
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4bf081
call fcn.004acb26
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004acb13
mov dword [eax], 0x18
jmp 0x4bf10f
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileA]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x34]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x4bf11b
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4bf0e7
test byte [ebp + 0x10], 1
je 0x4bf0e7
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push dword [ebp - 0x14]
push eax
push dword [ebp - 0x10]
push dword [ebp - 8]
push dword [ebp + 0xc]
call edi
cmp eax, 0xffffffff
mov dword [ebp - 0x1c], eax
jne 0x4bf11b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4f0040]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004acb39
pop ecx
call fcn.004acb13
mov eax, dword [eax]
jmp 0x4bf5a8
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4bf16c
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4f0040]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004acb39
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4bf10f
call fcn.004acb13
mov dword [eax], 0xd
jmp 0x4bf10f
cmp eax, 2
jne 0x4bf177
or byte [ebp - 1], 0x40
jmp 0x4bf180
cmp eax, 3
jne 0x4bf180
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004bb752
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4f0040]
pop ecx
pop ecx
mov cl, byte [ebp - 1]
or cl, 1
mov byte [edx + eax + 4], cl
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4f0040]
lea eax, [edx + eax + 0x24]
and byte [eax], 0x80
mov byte [ebp - 3], cl
and byte [ebp - 3], 0x48
mov byte [ebp - 1], cl
jne 0x4bf255
test cl, 0x80
je 0x4bf325
test byte [ebp + 0x10], 2
je 0x4bf255
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004bed06
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4bf214
call fcn.004acb26
cmp dword [eax], 0x83
je 0x4bf255
push dword [esi]
call fcn.004bd55d
jmp 0x4bf10e
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004be648
add esp, 0xc
test eax, eax
jne 0x4bf245
cmp byte [ebp - 4], 0x1a
jne 0x4bf245
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004bfa44
add esp, 0xc
cmp eax, edi
je 0x4bf208
push ebx
push ebx
push dword [esi]
call fcn.004bed06
add esp, 0xc
cmp eax, edi
je 0x4bf208
test byte [ebp - 1], 0x80
je 0x4bf325
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4bf27d
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4bf27a
or dword [ebp + 0x10], edi
jmp 0x4bf27d
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4bf2ca
cmp eax, 0x10000
je 0x4bf2b6
cmp eax, 0x14000
je 0x4bf2b6
cmp eax, 0x20000
je 0x4bf2c4
cmp eax, 0x24000
je 0x4bf2c4
cmp eax, 0x40000
je 0x4bf2b0
cmp eax, 0x44000
jne 0x4bf2cd
mov byte [ebp - 2], 1
jmp 0x4bf2cd
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4bf2cd
mov byte [ebp - 2], 2
jmp 0x4bf2cd
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4bf325
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4bf325
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4bf47f
cmp eax, 0x80000000
je 0x4bf446
cmp eax, ecx
jne 0x4bf325
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4bf325
cmp eax, 2
jbe 0x4bf527
cmp eax, 4
jbe 0x4bf418
cmp eax, 5
je 0x4bf527
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f0040]
lea eax, [ecx + eax + 0x24]
mov cl, byte [eax]
xor cl, byte [ebp - 2]
and cl, 0x7f
xor byte [eax], cl
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f0040]
lea eax, [ecx + eax + 0x24]
mov ecx, dword [ebp + 0x10]
mov dl, byte [eax]
shr ecx, 0x10
shl cl, 7
and dl, 0x7f
or cl, dl
cmp byte [ebp - 3], bl
mov byte [eax], cl
jne 0x4bf397
test byte [ebp + 0x10], 8
je 0x4bf397
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f0040]
lea eax, [ecx + eax + 4]
or byte [eax], 0x20
mov edi, dword [ebp - 8]
mov eax, 0xc0000000
mov ecx, edi
and ecx, eax
cmp ecx, eax
jne 0x4bf5a6
test byte [ebp + 0x10], 1
je 0x4bf5a6
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x34]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileA]
cmp eax, 0xffffffff
jne 0x4bf58f
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004acb39
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f0040]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004bb7cf
pop ecx
jmp 0x4bf10e
push 2
push ebx
push ebx
push dword [esi]
call fcn.004b856b
add esp, 0x10
or eax, edx
je 0x4bf527
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004b856b
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4bf208
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004be648
add esp, 0xc
cmp eax, 0xffffffff
je 0x4bf208
cmp eax, 2
je 0x4bf4cb
cmp eax, 3
jne 0x4bf519
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4bf4cb
mov byte [ebp - 2], 1
jmp 0x4bf325
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4bf325
cmp eax, 2
jbe 0x4bf527
cmp eax, 4
ja 0x4bf31c
push 2
push ebx
push ebx
push dword [esi]
call fcn.004b856b
add esp, 0x10
or eax, edx
je 0x4bf527
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004b856b
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4bf325
jmp 0x4bf208
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4bf4f3
push dword [esi]
call fcn.004bd55d
pop ecx
call fcn.004acb13
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4bf5a8
cmp eax, 0xfeff
jne 0x4bf519
push ebx
push 2
push dword [esi]
call fcn.004bed06
add esp, 0xc
cmp eax, 0xffffffff
je 0x4bf208
mov byte [ebp - 2], 2
jmp 0x4bf325
push ebx
push ebx
push dword [esi]
call fcn.004bed06
add esp, 0xc
jmp 0x4bf4bd
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4bf547
dec eax
jne 0x4bf325
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4bf555
mov dword [ebp - 0x18], 0xbfbbef
mov dword [ebp - 0x14], 3
mov eax, dword [ebp - 0x14]
sub eax, edi
push eax
lea eax, [ebp + edi - 0x18]
push eax
push dword [esi]
call fcn.004b8ccd
add esp, 0xc
cmp eax, 0xffffffff
je 0x4bf57b
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4bf555
jmp 0x4bf325
push dword [esi]
call fcn.004bd55d
pop ecx
call fcn.004acb13
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4bf5a8
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4f0040]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret