Function at 0x442523
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 0x442552
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x44255c
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00445d08
test eax, eax
pop ecx
je 0x442577
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042ea90
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.004340bf
test eax, eax
pop ecx
je 0x442592
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0042ea90
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4425af
test ecx, 0x74000
jne 0x4425ab
cmp dword [ebp - 0x24], eax
je 0x4425af
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x442609
dec eax
je 0x4425f3
dec eax
je 0x4425ee
call fcn.0043472d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043471a
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0042eb8c
add esp, 0x14
jmp 0x442bbb
mov dword [ebp - 8], edx
jmp 0x44260c
test cl, 8
je 0x442600
test ecx, 0x70000
jne 0x4425ee
mov dword [ebp - 8], 0x40000000
jmp 0x44260c
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x44264d
sub eax, ecx
je 0x442644
sub eax, ecx
je 0x44263b
sub eax, ecx
je 0x442632
sub eax, 0x40
jne 0x4425c8
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x442650
mov dword [ebp - 0x10], 3
jmp 0x442650
mov dword [ebp - 0x10], 2
jmp 0x442650
mov dword [ebp - 0x10], 1
jmp 0x442650
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 0x4426a3
je 0x44269a
cmp eax, ebx
je 0x44269a
cmp eax, edi
je 0x442691
cmp eax, 0x200
je 0x442716
cmp eax, 0x300
jne 0x4425c8
mov dword [ebp - 0x14], 2
jmp 0x4426c0
mov dword [ebp - 0x14], 4
jmp 0x4426c0
mov dword [ebp - 0x14], 3
jmp 0x4426c0
cmp eax, 0x500
je 0x4426b9
cmp eax, 0x600
je 0x442716
cmp eax, edx
jne 0x4425c8
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4426e4
mov ecx, dword [0x459c9c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4426e4
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x442700
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x442700
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x442709
or dword [ebp - 0xc], edi
test al, 0x20
je 0x44271f
or dword [ebp - 0xc], 0x8000000
jmp 0x44272a
mov dword [ebp - 0x14], 5
jmp 0x4426c0
test al, 0x10
je 0x44272a
or dword [ebp - 0xc], 0x10000000
call fcn.004410cf
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x442750
call fcn.0043472d
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043471a
mov dword [eax], 0x18
jmp 0x4427de
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 0x4427ea
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4427b6
test byte [ebp + 0x10], 1
je 0x4427b6
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 0x4427ea
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x45a760]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00434740
pop ecx
call fcn.0043471a
mov eax, dword [eax]
jmp 0x442c77
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x44283b
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x45a760]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00434740
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4427de
call fcn.0043471a
mov dword [eax], 0xd
jmp 0x4427de
cmp eax, 2
jne 0x442846
or byte [ebp - 1], 0x40
jmp 0x44284f
cmp eax, 3
jne 0x44284f
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00440e9e
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x45a760]
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 + 0x45a760]
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 0x442924
test cl, 0x80
je 0x4429f4
test byte [ebp + 0x10], 2
je 0x442924
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0043a9f3
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4428e3
call fcn.0043472d
cmp dword [eax], 0x83
je 0x442924
push dword [esi]
call fcn.0043adc1
jmp 0x4427dd
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004403fa
add esp, 0xc
test eax, eax
jne 0x442914
cmp byte [ebp - 4], 0x1a
jne 0x442914
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00445a98
add esp, 0xc
cmp eax, edi
je 0x4428d7
push ebx
push ebx
push dword [esi]
call fcn.0043a9f3
add esp, 0xc
cmp eax, edi
je 0x4428d7
test byte [ebp - 1], 0x80
je 0x4429f4
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x44294c
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x442949
or dword [ebp + 0x10], edi
jmp 0x44294c
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x442999
cmp eax, 0x10000
je 0x442985
cmp eax, 0x14000
je 0x442985
cmp eax, 0x20000
je 0x442993
cmp eax, 0x24000
je 0x442993
cmp eax, 0x40000
je 0x44297f
cmp eax, 0x44000
jne 0x44299c
mov byte [ebp - 2], 1
jmp 0x44299c
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x44299c
mov byte [ebp - 2], 2
jmp 0x44299c
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4429f4
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4429f4
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x442b4e
cmp eax, 0x80000000
je 0x442b15
cmp eax, ecx
jne 0x4429f4
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4429f4
cmp eax, 2
jbe 0x442bf6
cmp eax, 4
jbe 0x442ae7
cmp eax, 5
je 0x442bf6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x45a760]
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 + 0x45a760]
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 0x442a66
test byte [ebp + 0x10], 8
je 0x442a66
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x45a760]
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 0x442c75
test byte [ebp + 0x10], 1
je 0x442c75
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 0x442c5e
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00434740
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x45a760]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00440f1b
pop ecx
jmp 0x4427dd
push 2
push ebx
push ebx
push dword [esi]
call fcn.00440ab8
add esp, 0x10
or eax, edx
je 0x442bf6
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00440ab8
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4428d7
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004403fa
add esp, 0xc
cmp eax, 0xffffffff
je 0x4428d7
cmp eax, 2
je 0x442b9a
cmp eax, 3
jne 0x442be8
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x442b9a
mov byte [ebp - 2], 1
jmp 0x4429f4
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4429f4
cmp eax, 2
jbe 0x442bf6
cmp eax, 4
ja 0x4429eb
push 2
push ebx
push ebx
push dword [esi]
call fcn.00440ab8
add esp, 0x10
or eax, edx
je 0x442bf6
push ebx
push ebx
push ebx
push dword [esi]
call fcn.00440ab8
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4429f4
jmp 0x4428d7
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x442bc2
push dword [esi]
call fcn.0043adc1
pop ecx
call fcn.0043471a
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x442c77
cmp eax, 0xfeff
jne 0x442be8
push ebx
push 2
push dword [esi]
call fcn.0043a9f3
add esp, 0xc
cmp eax, 0xffffffff
je 0x4428d7
mov byte [ebp - 2], 2
jmp 0x4429f4
push ebx
push ebx
push dword [esi]
call fcn.0043a9f3
add esp, 0xc
jmp 0x442b8c
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x442c16
dec eax
jne 0x4429f4
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x442c24
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.0043a4e4
add esp, 0xc
cmp eax, 0xffffffff
je 0x442c4a
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x442c24
jmp 0x4429f4
push dword [esi]
call fcn.0043adc1
pop ecx
call fcn.0043471a
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x442c77
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x45a760]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret