Function at 0x43387d
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 0x4338ac
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4338b6
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00435c17
test eax, eax
pop ecx
je 0x4338d1
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004291f8
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00424ad3
test eax, eax
pop ecx
je 0x4338ec
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004291f8
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x433909
test ecx, 0x74000
jne 0x433905
cmp dword [ebp - 0x24], eax
je 0x433909
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocStringLen
je 0x433963
dec eax
je 0x43394d
dec eax
je 0x433948
call fcn.00424ec4
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00424eb1
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004292f4
add esp, 0x14
jmp 0x433f15
mov dword [ebp - 8], edx
jmp 0x433966
test cl, 8
je 0x43395a
test ecx, 0x70000
jne 0x433948
mov dword [ebp - 8], 0x40000000
jmp 0x433966
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4339a7
sub eax, ecx
je 0x43399e
sub eax, ecx
je 0x433995
sub eax, ecx
je 0x43398c
sub eax, 0x40
jne 0x433922
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4339aa
mov dword [ebp - 0x10], 3
jmp 0x4339aa
mov dword [ebp - 0x10], 2
jmp 0x4339aa
mov dword [ebp - 0x10], 1
jmp 0x4339aa
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 0x4339fd
je 0x4339f4
cmp eax, ebx
je 0x4339f4
cmp eax, edi
je 0x4339eb
cmp eax, 0x200
je 0x433a70
cmp eax, 0x300
jne 0x433922
mov dword [ebp - 0x14], 2
jmp 0x433a1a
mov dword [ebp - 0x14], 4
jmp 0x433a1a
mov dword [ebp - 0x14], 3
jmp 0x433a1a
cmp eax, 0x500
je 0x433a13
cmp eax, 0x600
je 0x433a70
cmp eax, edx
jne 0x433922
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x433a3e
mov ecx, dword [0x44d798]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x433a3e
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x433a5a
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x433a5a
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x433a63
or dword [ebp - 0xc], edi
test al, 0x20
je 0x433a79
or dword [ebp - 0xc], 0x8000000
jmp 0x433a84
mov dword [ebp - 0x14], 5
jmp 0x433a1a
test al, 0x10
je 0x433a84
or dword [ebp - 0xc], 0x10000000
call fcn.0042e036
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x433aaa
call fcn.00424ec4
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00424eb1
mov dword [eax], 0x18
jmp 0x433b38
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 0x433b44
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x433b10
test byte [ebp + 0x10], 1
je 0x433b10
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 0x433b44
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x44e3a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00424ed7
pop ecx
call fcn.00424eb1
mov eax, dword [eax]
jmp 0x433fd1
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x433b95
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x44e3a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00424ed7
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x433b38
call fcn.00424eb1
mov dword [eax], 0xd
jmp 0x433b38
cmp eax, 2
jne 0x433ba0
or byte [ebp - 1], 0x40
jmp 0x433ba9
cmp eax, 3
jne 0x433ba9
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0042de05
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x44e3a0]
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 + 0x44e3a0]
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 0x433c7e
test cl, 0x80
je 0x433d4e
test byte [ebp + 0x10], 2
je 0x433c7e
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00435ae9
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x433c3d
call fcn.00424ec4
cmp dword [eax], 0x83
je 0x433c7e
push dword [esi]
call fcn.0042d294
jmp 0x433b37
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0042be1d
add esp, 0xc
test eax, eax
jne 0x433c6e
cmp byte [ebp - 4], 0x1a
jne 0x433c6e
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00435935
add esp, 0xc
cmp eax, edi
je 0x433c31
push ebx
push ebx
push dword [esi]
call fcn.00435ae9
add esp, 0xc
cmp eax, edi
je 0x433c31
test byte [ebp - 1], 0x80
je 0x433d4e
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x433ca6
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x433ca3
or dword [ebp + 0x10], edi
jmp 0x433ca6
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x433cf3
cmp eax, 0x10000
je 0x433cdf
cmp eax, 0x14000
je 0x433cdf
cmp eax, 0x20000
je 0x433ced
cmp eax, 0x24000
je 0x433ced
cmp eax, 0x40000
je 0x433cd9
cmp eax, 0x44000
jne 0x433cf6
mov byte [ebp - 2], 1
jmp 0x433cf6
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x433cf6
mov byte [ebp - 2], 2
jmp 0x433cf6
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x433d4e
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x433d4e
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x433ea8
cmp eax, 0x80000000
je 0x433e6f
cmp eax, ecx
jne 0x433d4e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x433d4e
cmp eax, 2
jbe 0x433f50
cmp eax, 4
jbe 0x433e41
cmp eax, 5
je 0x433f50
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x44e3a0]
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 + 0x44e3a0]
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 0x433dc0
test byte [ebp + 0x10], 8
je 0x433dc0
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x44e3a0]
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 0x433fcf
test byte [ebp + 0x10], 1
je 0x433fcf
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 0x433fb8
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00424ed7
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x44e3a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0042de82
pop ecx
jmp 0x433b37
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043346e
add esp, 0x10
or eax, edx
je 0x433f50
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043346e
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x433c31
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0042be1d
add esp, 0xc
cmp eax, 0xffffffff
je 0x433c31
cmp eax, 2
je 0x433ef4
cmp eax, 3
jne 0x433f42
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x433ef4
mov byte [ebp - 2], 1
jmp 0x433d4e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x433d4e
cmp eax, 2
jbe 0x433f50
cmp eax, 4
ja 0x433d45
push 2
push ebx
push ebx
push dword [esi]
call fcn.0043346e
add esp, 0x10
or eax, edx
je 0x433f50
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0043346e
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x433d4e
jmp 0x433c31
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x433f1c
push dword [esi]
call fcn.0042d294
pop ecx
call fcn.00424eb1
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x433fd1
cmp eax, 0xfeff
jne 0x433f42
push ebx
push 2
push dword [esi]
call fcn.00435ae9
add esp, 0xc
cmp eax, 0xffffffff
je 0x433c31
mov byte [ebp - 2], 2
jmp 0x433d4e
push ebx
push ebx
push dword [esi]
call fcn.00435ae9
add esp, 0xc
jmp 0x433ee6
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x433f70
dec eax
jne 0x433d4e
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x433f7e
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.00429913
add esp, 0xc
cmp eax, 0xffffffff
je 0x433fa4
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x433f7e
jmp 0x433d4e
push dword [esi]
call fcn.0042d294
pop ecx
call fcn.00424eb1
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x433fd1
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x44e3a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret