Function at 0x43b906
Capabilities:
Encrypt data using speck

Disassembly:
push ebp
mov ebp, esp
sub esp, 0x38
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 - 0x38], 0xc
mov dword [ebp - 0x34], ebx
je 0x43b935
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x43b93f
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0043ee60
test eax, eax
pop ecx
je 0x43b95a
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042c412
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0042f0d3
test eax, eax
pop ecx
je 0x43b975
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042c412
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x43b992
test ecx, 0x74000
jne 0x43b98e
cmp dword [ebp - 0x24], eax
je 0x43b992
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x43b9ec
dec eax
je 0x43b9d6
dec eax
je 0x43b9d1
call fcn.0042cae4
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042cad1
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0042c50e
add esp, 0x14
jmp 0x43bf9f
mov dword [ebp - 8], edx
jmp 0x43b9ef
test cl, 8
je 0x43b9e3
test ecx, 0x70000
jne 0x43b9d1
mov dword [ebp - 8], 0x40000000
jmp 0x43b9ef
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x43ba30
sub eax, ecx
je 0x43ba27
sub eax, ecx
je 0x43ba1e
sub eax, ecx
je 0x43ba15
sub eax, 0x40
jne 0x43b9ab
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x43ba33
mov dword [ebp - 0x10], 3
jmp 0x43ba33
mov dword [ebp - 0x10], 2
jmp 0x43ba33
mov dword [ebp - 0x10], 1
jmp 0x43ba33
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 0x43ba86
je 0x43ba7d
cmp eax, ebx
je 0x43ba7d
cmp eax, edi
je 0x43ba74
cmp eax, 0x200
je 0x43baf9
cmp eax, 0x300
jne 0x43b9ab
mov dword [ebp - 0x14], 2
jmp 0x43baa3
mov dword [ebp - 0x14], 4
jmp 0x43baa3
mov dword [ebp - 0x14], 3
jmp 0x43baa3
cmp eax, 0x500
je 0x43ba9c
cmp eax, 0x600
je 0x43baf9
cmp eax, edx
jne 0x43b9ab
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x43bac7
mov ecx, dword [0x45ea74]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x43bac7
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x43bae3
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x43bae3
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x43baec
or dword [ebp - 0xc], edi
test al, 0x20
je 0x43bb02
or dword [ebp - 0xc], 0x8000000
jmp 0x43bb0d
mov dword [ebp - 0x14], 5
jmp 0x43baa3
test al, 0x10
je 0x43bb0d
or dword [ebp - 0xc], 0x10000000
call fcn.0043c4b4
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x43bb33
call fcn.0042cae4
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042cad1
mov dword [eax], 0x18
jmp 0x43bbc1
mov eax, dword [ebp + 8]
mov edi, dword [sym.imp.KERNEL32.dll_CreateFileW]
push ebx
push dword [ebp - 0xc]
mov dword [eax], 1
push dword [ebp - 0x14]
lea eax, [ebp - 0x38]
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 0x43bbcd
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x43bb99
test byte [ebp + 0x10], 1
je 0x43bb99
and dword [ebp - 8], 0x7fffffff
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
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 0x43bbcd
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x460a20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042caf7
pop ecx
call fcn.0042cad1
mov eax, dword [eax]
jmp 0x43c05b
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x43bc1e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x460a20]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0042caf7
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x43bbc1
call fcn.0042cad1
mov dword [eax], 0xd
jmp 0x43bbc1
cmp eax, 2
jne 0x43bc29
or byte [ebp - 1], 0x40
jmp 0x43bc32
cmp eax, 3
jne 0x43bc32
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0043c283
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x460a20]
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 + 0x460a20]
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 0x43bd08
test cl, 0x80
je 0x43bdd8
test byte [ebp + 0x10], 2
je 0x43bd08
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0043ed32
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x43bcc6
call fcn.0042cae4
cmp dword [eax], 0x83
je 0x43bd08
push dword [esi]
call fcn.004343f5
jmp 0x43bbc0
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004372f6
add esp, 0xc
test eax, eax
jne 0x43bcf8
cmp word [ebp - 0x2c], 0x1a
jne 0x43bcf8
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0043eb7e
add esp, 0xc
cmp eax, edi
je 0x43bcba
push ebx
push ebx
push dword [esi]
call fcn.0043ed32
add esp, 0xc
cmp eax, edi
je 0x43bcba
test byte [ebp - 1], 0x80
je 0x43bdd8
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x43bd30
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x43bd2d
or dword [ebp + 0x10], edi
jmp 0x43bd30
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x43bd7d
cmp eax, 0x10000
je 0x43bd69
cmp eax, 0x14000
je 0x43bd69
cmp eax, 0x20000
je 0x43bd77
cmp eax, 0x24000
je 0x43bd77
cmp eax, 0x40000
je 0x43bd63
cmp eax, 0x44000
jne 0x43bd80
mov byte [ebp - 2], 1
jmp 0x43bd80
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x43bd80
mov byte [ebp - 2], 2
jmp 0x43bd80
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x43bdd8
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x43bdd8
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x43bf32
cmp eax, 0x80000000
je 0x43bef9
cmp eax, ecx
jne 0x43bdd8
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x43bdd8
cmp eax, 2
jbe 0x43bfda
cmp eax, 4
jbe 0x43becb
cmp eax, 5
je 0x43bfda
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x460a20]
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 + 0x460a20]
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 0x43be4a
test byte [ebp + 0x10], 8
je 0x43be4a
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x460a20]
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 0x43c059
test byte [ebp + 0x10], 1
je 0x43c059
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
push ebx
push dword [ebp - 0xc]
lea eax, [ebp - 0x38]
push 3
push eax
push dword [ebp - 0x10]
and edi, 0x7fffffff
push edi
push dword [ebp + 0xc]
call dword [sym.imp.KERNEL32.dll_CreateFileW]
cmp eax, 0xffffffff
jne 0x43c042
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042caf7
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x460a20]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0043c300
pop ecx
jmp 0x43bbc0
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043a9a2
add esp, 0x10
or eax, edx
je 0x43bfda
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043a9a2
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x43bcba
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004372f6
add esp, 0xc
cmp eax, 0xffffffff
je 0x43bcba
cmp eax, 2
je 0x43bf7e
cmp eax, 3
jne 0x43bfcc
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x43bf7e
mov byte [ebp - 2], 1
jmp 0x43bdd8
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x43bdd8
cmp eax, 2
jbe 0x43bfda
cmp eax, 4
ja 0x43bdcf
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043a9a2
add esp, 0x10
or eax, edx
je 0x43bfda
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043a9a2
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x43bdd8
jmp 0x43bcba
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x43bfa6
push dword [esi]
call fcn.004343f5
pop ecx
call fcn.0042cad1
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x43c05b
cmp eax, 0xfeff
jne 0x43bfcc
push ebx
push 2
push dword [esi]
call fcn.0043ed32
add esp, 0xc
cmp eax, 0xffffffff
je 0x43bcba
mov byte [ebp - 2], 2
jmp 0x43bdd8
push ebx
push ebx
push dword [esi]
call fcn.0043ed32
add esp, 0xc
jmp 0x43bf70
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x43bffa
dec eax
jne 0x43bdd8
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x43c008
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.0043b104
add esp, 0xc
cmp eax, 0xffffffff
je 0x43c02e
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x43c008
jmp 0x43bdd8
push dword [esi]
call fcn.004343f5
pop ecx
call fcn.0042cad1
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x43c05b
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x460a20]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret