Function at 0x4389a8
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 0x4389d7
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4389e1
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00430dde
test eax, eax
pop ecx
je 0x4389fc
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00428676
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0042928b
test eax, eax
pop ecx
je 0x438a17
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00428676
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x438a34
test ecx, 0x74000
jne 0x438a30
cmp dword [ebp - 0x24], eax
je 0x438a34
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x438a8e
dec eax
je 0x438a78
dec eax
je 0x438a73
call fcn.0042aaed
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042aada
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00428772
add esp, 0x14
jmp 0x439040
mov dword [ebp - 8], edx
jmp 0x438a91
test cl, 8
je 0x438a85
test ecx, 0x70000
jne 0x438a73
mov dword [ebp - 8], 0x40000000
jmp 0x438a91
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x438ad2
sub eax, ecx
je 0x438ac9
sub eax, ecx
je 0x438ac0
sub eax, ecx
je 0x438ab7
sub eax, 0x40
jne 0x438a4d
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x438ad5
mov dword [ebp - 0x10], 3
jmp 0x438ad5
mov dword [ebp - 0x10], 2
jmp 0x438ad5
mov dword [ebp - 0x10], 1
jmp 0x438ad5
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 0x438b28
je 0x438b1f
cmp eax, ebx
je 0x438b1f
cmp eax, edi
je 0x438b16
cmp eax, 0x200
je 0x438b9b
cmp eax, 0x300
jne 0x438a4d
mov dword [ebp - 0x14], 2
jmp 0x438b45
mov dword [ebp - 0x14], 4
jmp 0x438b45
mov dword [ebp - 0x14], 3
jmp 0x438b45
cmp eax, 0x500
je 0x438b3e
cmp eax, 0x600
je 0x438b9b
cmp eax, edx
jne 0x438a4d
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x438b69
mov ecx, dword [0x455b18]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x438b69
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x438b85
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x438b85
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x438b8e
or dword [ebp - 0xc], edi
test al, 0x20
je 0x438ba4
or dword [ebp - 0xc], 0x8000000
jmp 0x438baf
mov dword [ebp - 0x14], 5
jmp 0x438b45
test al, 0x10
je 0x438baf
or dword [ebp - 0xc], 0x10000000
call fcn.0042d596
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x438bd5
call fcn.0042aaed
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0042aada
mov dword [eax], 0x18
jmp 0x438c63
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 0x438c6f
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x438c3b
test byte [ebp + 0x10], 1
je 0x438c3b
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 0x438c6f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4577a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042ab00
pop ecx
call fcn.0042aada
mov eax, dword [eax]
jmp 0x4390fc
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x438cc0
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4577a0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.0042ab00
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x438c63
call fcn.0042aada
mov dword [eax], 0xd
jmp 0x438c63
cmp eax, 2
jne 0x438ccb
or byte [ebp - 1], 0x40
jmp 0x438cd4
cmp eax, 3
jne 0x438cd4
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0042d365
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4577a0]
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 + 0x4577a0]
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 0x438da9
test cl, 0x80
je 0x438e79
test byte [ebp + 0x10], 2
je 0x438da9
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0043246d
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x438d68
call fcn.0042aaed
cmp dword [eax], 0x83
je 0x438da9
push dword [esi]
call fcn.00430273
jmp 0x438c62
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0042f115
add esp, 0xc
test eax, eax
jne 0x438d99
cmp byte [ebp - 4], 0x1a
jne 0x438d99
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00427da7
add esp, 0xc
cmp eax, edi
je 0x438d5c
push ebx
push ebx
push dword [esi]
call fcn.0043246d
add esp, 0xc
cmp eax, edi
je 0x438d5c
test byte [ebp - 1], 0x80
je 0x438e79
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x438dd1
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x438dce
or dword [ebp + 0x10], edi
jmp 0x438dd1
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x438e1e
cmp eax, 0x10000
je 0x438e0a
cmp eax, 0x14000
je 0x438e0a
cmp eax, 0x20000
je 0x438e18
cmp eax, 0x24000
je 0x438e18
cmp eax, 0x40000
je 0x438e04
cmp eax, 0x44000
jne 0x438e21
mov byte [ebp - 2], 1
jmp 0x438e21
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x438e21
mov byte [ebp - 2], 2
jmp 0x438e21
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x438e79
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x438e79
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x438fd3
cmp eax, 0x80000000
je 0x438f9a
cmp eax, ecx
jne 0x438e79
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x438e79
cmp eax, 2
jbe 0x43907b
cmp eax, 4
jbe 0x438f6c
cmp eax, 5
je 0x43907b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4577a0]
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 + 0x4577a0]
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 0x438eeb
test byte [ebp + 0x10], 8
je 0x438eeb
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4577a0]
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 0x4390fa
test byte [ebp + 0x10], 1
je 0x4390fa
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 0x4390e3
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.0042ab00
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4577a0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0042d3e2
pop ecx
jmp 0x438c62
push 2
push ebx
push ebx
push dword [esi]
call fcn.0042fa13
add esp, 0x10
or eax, edx
je 0x43907b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0042fa13
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x438d5c
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0042f115
add esp, 0xc
cmp eax, 0xffffffff
je 0x438d5c
cmp eax, 2
je 0x43901f
cmp eax, 3
jne 0x43906d
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x43901f
mov byte [ebp - 2], 1
jmp 0x438e79
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x438e79
cmp eax, 2
jbe 0x43907b
cmp eax, 4
ja 0x438e70
push 2
push ebx
push ebx
push dword [esi]
call fcn.0042fa13
add esp, 0x10
or eax, edx
je 0x43907b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0042fa13
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x438e79
jmp 0x438d5c
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x439047
push dword [esi]
call fcn.00430273
pop ecx
call fcn.0042aada
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4390fc
cmp eax, 0xfeff
jne 0x43906d
push ebx
push 2
push dword [esi]
call fcn.0043246d
add esp, 0xc
cmp eax, 0xffffffff
je 0x438d5c
mov byte [ebp - 2], 2
jmp 0x438e79
push ebx
push ebx
push dword [esi]
call fcn.0043246d
add esp, 0xc
jmp 0x439011
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x43909b
dec eax
jne 0x438e79
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4390a9
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.00430c46
add esp, 0xc
cmp eax, 0xffffffff
je 0x4390cf
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4390a9
jmp 0x438e79
push dword [esi]
call fcn.00430273
pop ecx
call fcn.0042aada
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4390fc
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4577a0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret