Function at 0x50712b
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 0x50715a
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x507164
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004f6391
test eax, eax
pop ecx
je 0x50717f
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004ede2e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004f3c50
test eax, eax
pop ecx
je 0x50719a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004ede2e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x5071b7
test ecx, 0x74000
jne 0x5071b3
cmp dword [ebp - 0x24], eax
je 0x5071b7
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x507211
dec eax
je 0x5071fb
dec eax
je 0x5071f6
call fcn.004f5273
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004f5260
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004edf2a
add esp, 0x14
jmp 0x5077c3
mov dword [ebp - 8], edx
jmp 0x507214
test cl, 8
je 0x507208
test ecx, 0x70000
jne 0x5071f6
mov dword [ebp - 8], 0x40000000
jmp 0x507214
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x507255
sub eax, ecx
je 0x50724c
sub eax, ecx
je 0x507243
sub eax, ecx
je 0x50723a
sub eax, 0x40
jne 0x5071d0
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x507258
mov dword [ebp - 0x10], 3
jmp 0x507258
mov dword [ebp - 0x10], 2
jmp 0x507258
mov dword [ebp - 0x10], 1
jmp 0x507258
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 0x5072ab
je 0x5072a2
cmp eax, ebx
je 0x5072a2
cmp eax, edi
je 0x507299
cmp eax, 0x200
je 0x50731e
cmp eax, 0x300
jne 0x5071d0
mov dword [ebp - 0x14], 2
jmp 0x5072c8
mov dword [ebp - 0x14], 4
jmp 0x5072c8
mov dword [ebp - 0x14], 3
jmp 0x5072c8
cmp eax, 0x500
je 0x5072c1
cmp eax, 0x600
je 0x50731e
cmp eax, edx
jne 0x5071d0
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x5072ec
mov ecx, dword [0x55bb34]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x5072ec
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x507308
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x507308
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x507311
or dword [ebp - 0xc], edi
test al, 0x20
je 0x507327
or dword [ebp - 0xc], 0x8000000
jmp 0x507332
mov dword [ebp - 0x14], 5
jmp 0x5072c8
test al, 0x10
je 0x507332
or dword [ebp - 0xc], 0x10000000
call fcn.004f111b
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x507358
call fcn.004f5273
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004f5260
mov dword [eax], 0x18
jmp 0x5073e6
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 0x5073f2
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x5073be
test byte [ebp + 0x10], 1
je 0x5073be
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 0x5073f2
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x55ce80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004f5286
pop ecx
call fcn.004f5260
mov eax, dword [eax]
jmp 0x50787f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x507443
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x55ce80]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004f5286
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x5073e6
call fcn.004f5260
mov dword [eax], 0xd
jmp 0x5073e6
cmp eax, 2
jne 0x50744e
or byte [ebp - 1], 0x40
jmp 0x507457
cmp eax, 3
jne 0x507457
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004f0eea
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x55ce80]
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 + 0x55ce80]
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 0x50752c
test cl, 0x80
je 0x5075fc
test byte [ebp + 0x10], 2
je 0x50752c
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004fb71c
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x5074eb
call fcn.004f5273
cmp dword [eax], 0x83
je 0x50752c
push dword [esi]
call fcn.004fb2fb
jmp 0x5073e5
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004fc6e5
add esp, 0xc
test eax, eax
jne 0x50751c
cmp byte [ebp - 4], 0x1a
jne 0x50751c
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004f09cb
add esp, 0xc
cmp eax, edi
je 0x5074df
push ebx
push ebx
push dword [esi]
call fcn.004fb71c
add esp, 0xc
cmp eax, edi
je 0x5074df
test byte [ebp - 1], 0x80
je 0x5075fc
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x507554
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x507551
or dword [ebp + 0x10], edi
jmp 0x507554
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x5075a1
cmp eax, 0x10000
je 0x50758d
cmp eax, 0x14000
je 0x50758d
cmp eax, 0x20000
je 0x50759b
cmp eax, 0x24000
je 0x50759b
cmp eax, 0x40000
je 0x507587
cmp eax, 0x44000
jne 0x5075a4
mov byte [ebp - 2], 1
jmp 0x5075a4
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x5075a4
mov byte [ebp - 2], 2
jmp 0x5075a4
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x5075fc
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x5075fc
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x507756
cmp eax, 0x80000000
je 0x50771d
cmp eax, ecx
jne 0x5075fc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5075fc
cmp eax, 2
jbe 0x5077fe
cmp eax, 4
jbe 0x5076ef
cmp eax, 5
je 0x5077fe
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x55ce80]
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 + 0x55ce80]
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 0x50766e
test byte [ebp + 0x10], 8
je 0x50766e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x55ce80]
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 0x50787d
test byte [ebp + 0x10], 1
je 0x50787d
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 0x507866
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004f5286
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x55ce80]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004f0f67
pop ecx
jmp 0x5073e5
push 2
push ebx
push ebx
push dword [esi]
call fcn.00501a81
add esp, 0x10
or eax, edx
je 0x5077fe
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00501a81
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x5074df
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004fc6e5
add esp, 0xc
cmp eax, 0xffffffff
je 0x5074df
cmp eax, 2
je 0x5077a2
cmp eax, 3
jne 0x5077f0
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x5077a2
mov byte [ebp - 2], 1
jmp 0x5075fc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x5075fc
cmp eax, 2
jbe 0x5077fe
cmp eax, 4
ja 0x5075f3
push 2
push ebx
push ebx
push dword [esi]
call fcn.00501a81
add esp, 0x10
or eax, edx
je 0x5077fe
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00501a81
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x5075fc
jmp 0x5074df
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x5077ca
push dword [esi]
call fcn.004fb2fb
pop ecx
call fcn.004f5260
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x50787f
cmp eax, 0xfeff
jne 0x5077f0
push ebx
push 2
push dword [esi]
call fcn.004fb71c
add esp, 0xc
cmp eax, 0xffffffff
je 0x5074df
mov byte [ebp - 2], 2
jmp 0x5075fc
push ebx
push ebx
push dword [esi]
call fcn.004fb71c
add esp, 0xc
jmp 0x507794
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x50781e
dec eax
jne 0x5075fc
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x50782c
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.005018c4
add esp, 0xc
cmp eax, 0xffffffff
je 0x507852
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x50782c
jmp 0x5075fc
push dword [esi]
call fcn.004fb2fb
pop ecx
call fcn.004f5260
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x50787f
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x55ce80]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret