Function at 0x443651
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 0x443680
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x44368a
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00445503
test eax, eax
pop ecx
je 0x4436a5
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00432afe
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00436af5
test eax, eax
pop ecx
je 0x4436c0
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00432afe
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4436dd
test ecx, 0x74000
jne 0x4436d9
cmp dword [ebp - 0x24], eax
je 0x4436dd
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x443737
dec eax
je 0x443721
dec eax
je 0x44371c
call fcn.00436e56
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00436e43
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00432bfa
add esp, 0x14
jmp 0x443ce9
mov dword [ebp - 8], edx
jmp 0x44373a
test cl, 8
je 0x44372e
test ecx, 0x70000
jne 0x44371c
mov dword [ebp - 8], 0x40000000
jmp 0x44373a
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x44377b
sub eax, ecx
je 0x443772
sub eax, ecx
je 0x443769
sub eax, ecx
je 0x443760
sub eax, 0x40
jne 0x4436f6
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x44377e
mov dword [ebp - 0x10], 3
jmp 0x44377e
mov dword [ebp - 0x10], 2
jmp 0x44377e
mov dword [ebp - 0x10], 1
jmp 0x44377e
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 0x4437d1
je 0x4437c8
cmp eax, ebx
je 0x4437c8
cmp eax, edi
je 0x4437bf
cmp eax, 0x200
je 0x443844
cmp eax, 0x300
jne 0x4436f6
mov dword [ebp - 0x14], 2
jmp 0x4437ee
mov dword [ebp - 0x14], 4
jmp 0x4437ee
mov dword [ebp - 0x14], 3
jmp 0x4437ee
cmp eax, 0x500
je 0x4437e7
cmp eax, 0x600
je 0x443844
cmp eax, edx
jne 0x4436f6
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x443812
mov ecx, dword [0x4618e0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x443812
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x44382e
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x44382e
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x443837
or dword [ebp - 0xc], edi
test al, 0x20
je 0x44384d
or dword [ebp - 0xc], 0x8000000
jmp 0x443858
mov dword [ebp - 0x14], 5
jmp 0x4437ee
test al, 0x10
je 0x443858
or dword [ebp - 0xc], 0x10000000
call fcn.00442ff2
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x44387e
call fcn.00436e56
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00436e43
mov dword [eax], 0x18
jmp 0x44390c
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 0x443918
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4438e4
test byte [ebp + 0x10], 1
je 0x4438e4
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 0x443918
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x462500]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00436e69
pop ecx
call fcn.00436e43
mov eax, dword [eax]
jmp 0x443da5
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x443969
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x462500]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00436e69
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x44390c
call fcn.00436e43
mov dword [eax], 0xd
jmp 0x44390c
cmp eax, 2
jne 0x443974
or byte [ebp - 1], 0x40
jmp 0x44397d
cmp eax, 3
jne 0x44397d
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00442dc1
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x462500]
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 + 0x462500]
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 0x443a52
test cl, 0x80
je 0x443b22
test byte [ebp + 0x10], 2
je 0x443a52
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004453d5
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x443a11
call fcn.00436e56
cmp dword [eax], 0x83
je 0x443a52
push dword [esi]
call fcn.0043a505
jmp 0x44390b
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.0043e672
add esp, 0xc
test eax, eax
jne 0x443a42
cmp byte [ebp - 4], 0x1a
jne 0x443a42
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00445221
add esp, 0xc
cmp eax, edi
je 0x443a05
push ebx
push ebx
push dword [esi]
call fcn.004453d5
add esp, 0xc
cmp eax, edi
je 0x443a05
test byte [ebp - 1], 0x80
je 0x443b22
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x443a7a
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x443a77
or dword [ebp + 0x10], edi
jmp 0x443a7a
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x443ac7
cmp eax, 0x10000
je 0x443ab3
cmp eax, 0x14000
je 0x443ab3
cmp eax, 0x20000
je 0x443ac1
cmp eax, 0x24000
je 0x443ac1
cmp eax, 0x40000
je 0x443aad
cmp eax, 0x44000
jne 0x443aca
mov byte [ebp - 2], 1
jmp 0x443aca
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x443aca
mov byte [ebp - 2], 2
jmp 0x443aca
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x443b22
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x443b22
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x443c7c
cmp eax, 0x80000000
je 0x443c43
cmp eax, ecx
jne 0x443b22
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x443b22
cmp eax, 2
jbe 0x443d24
cmp eax, 4
jbe 0x443c15
cmp eax, 5
je 0x443d24
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x462500]
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 + 0x462500]
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 0x443b94
test byte [ebp + 0x10], 8
je 0x443b94
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x462500]
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 0x443da3
test byte [ebp + 0x10], 1
je 0x443da3
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 0x443d8c
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00436e69
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x462500]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00442e3e
pop ecx
jmp 0x44390b
push 2
push ebx
push ebx
push dword [esi]
call fcn.00443fcb
add esp, 0x10
or eax, edx
je 0x443d24
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00443fcb
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x443a05
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0043e672
add esp, 0xc
cmp eax, 0xffffffff
je 0x443a05
cmp eax, 2
je 0x443cc8
cmp eax, 3
jne 0x443d16
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x443cc8
mov byte [ebp - 2], 1
jmp 0x443b22
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x443b22
cmp eax, 2
jbe 0x443d24
cmp eax, 4
ja 0x443b19
push 2
push ebx
push ebx
push dword [esi]
call fcn.00443fcb
add esp, 0x10
or eax, edx
je 0x443d24
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00443fcb
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x443b22
jmp 0x443a05
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x443cf0
push dword [esi]
call fcn.0043a505
pop ecx
call fcn.00436e43
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x443da5
cmp eax, 0xfeff
jne 0x443d16
push ebx
push 2
push dword [esi]
call fcn.004453d5
add esp, 0xc
cmp eax, 0xffffffff
je 0x443a05
mov byte [ebp - 2], 2
jmp 0x443b22
push ebx
push ebx
push dword [esi]
call fcn.004453d5
add esp, 0xc
jmp 0x443cba
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x443d44
dec eax
jne 0x443b22
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x443d52
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.0043c869
add esp, 0xc
cmp eax, 0xffffffff
je 0x443d78
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x443d52
jmp 0x443b22
push dword [esi]
call fcn.0043a505
pop ecx
call fcn.00436e43
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x443da5
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x462500]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret