Function at 0x4a743d
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 0x4a746c
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a7476
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004aa6cf
test eax, eax
pop ecx
je 0x4a7491
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048cb93
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0049bb62
test eax, eax
pop ecx
je 0x4a74ac
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048cb93
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a74c9
test ecx, 0x74000
jne 0x4a74c5
cmp dword [ebp - 0x24], eax
je 0x4a74c9
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a7523
dec eax
je 0x4a750d
dec eax
je 0x4a7508
call fcn.0048e38e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048e37b
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048cc8f
add esp, 0x14
jmp 0x4a7ad6
mov dword [ebp - 8], edx
jmp 0x4a7526
test cl, 8
je 0x4a751a
test ecx, 0x70000
jne 0x4a7508
mov dword [ebp - 8], 0x40000000
jmp 0x4a7526
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a7567
sub eax, ecx
je 0x4a755e
sub eax, ecx
je 0x4a7555
sub eax, ecx
je 0x4a754c
sub eax, 0x40
jne 0x4a74e2
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a756a
mov dword [ebp - 0x10], 3
jmp 0x4a756a
mov dword [ebp - 0x10], 2
jmp 0x4a756a
mov dword [ebp - 0x10], 1
jmp 0x4a756a
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 0x4a75bd
je 0x4a75b4
cmp eax, ebx
je 0x4a75b4
cmp eax, edi
je 0x4a75ab
cmp eax, 0x200
je 0x4a7630
cmp eax, 0x300
jne 0x4a74e2
mov dword [ebp - 0x14], 2
jmp 0x4a75da
mov dword [ebp - 0x14], 4
jmp 0x4a75da
mov dword [ebp - 0x14], 3
jmp 0x4a75da
cmp eax, 0x500
je 0x4a75d3
cmp eax, 0x600
je 0x4a7630
cmp eax, edx
jne 0x4a74e2
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a75fe
mov ecx, dword [0x4de9d8]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a75fe
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a761a
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a761a
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a7623
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a7639
or dword [ebp - 0xc], 0x8000000
jmp 0x4a7644
mov dword [ebp - 0x14], 5
jmp 0x4a75da
test al, 0x10
je 0x4a7644
or dword [ebp - 0xc], 0x10000000
call fcn.004a7fec
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a766a
call fcn.0048e38e
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0048e37b
mov dword [eax], 0x18
jmp 0x4a76f8
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 0x4a7704
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a76d0
test byte [ebp + 0x10], 1
je 0x4a76d0
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 0x4a7704
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4e0200]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.0048e3a1
pop ecx
call fcn.0048e37b
mov eax, dword [eax]
jmp 0x4a7b92
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_GetFileType]
cmp eax, ebx
jne 0x4a7755
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4e0200]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
mov esi, eax
push esi
call fcn.0048e3a1
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
cmp esi, ebx
jne 0x4a76f8
call fcn.0048e37b
mov dword [eax], 0xd
jmp 0x4a76f8
cmp eax, 2
jne 0x4a7760
or byte [ebp - 1], 0x40
jmp 0x4a7769
cmp eax, 3
jne 0x4a7769
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.004a7dbb
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4e0200]
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 + 0x4e0200]
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 0x4a783f
test cl, 0x80
je 0x4a790f
test byte [ebp + 0x10], 2
je 0x4a783f
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004a0552
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a77fd
call fcn.0048e38e
cmp dword [eax], 0x83
je 0x4a783f
push dword [esi]
call fcn.0049fffe
jmp 0x4a76f7
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0049f913
add esp, 0xc
test eax, eax
jne 0x4a782f
cmp word [ebp - 0x2c], 0x1a
jne 0x4a782f
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004aa45f
add esp, 0xc
cmp eax, edi
je 0x4a77f1
push ebx
push ebx
push dword [esi]
call fcn.004a0552
add esp, 0xc
cmp eax, edi
je 0x4a77f1
test byte [ebp - 1], 0x80
je 0x4a790f
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a7867
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a7864
or dword [ebp + 0x10], edi
jmp 0x4a7867
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a78b4
cmp eax, 0x10000
je 0x4a78a0
cmp eax, 0x14000
je 0x4a78a0
cmp eax, 0x20000
je 0x4a78ae
cmp eax, 0x24000
je 0x4a78ae
cmp eax, 0x40000
je 0x4a789a
cmp eax, 0x44000
jne 0x4a78b7
mov byte [ebp - 2], 1
jmp 0x4a78b7
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a78b7
mov byte [ebp - 2], 2
jmp 0x4a78b7
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a790f
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a790f
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a7a69
cmp eax, 0x80000000
je 0x4a7a30
cmp eax, ecx
jne 0x4a790f
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a790f
cmp eax, 2
jbe 0x4a7b11
cmp eax, 4
jbe 0x4a7a02
cmp eax, 5
je 0x4a7b11
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e0200]
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 + 0x4e0200]
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 0x4a7981
test byte [ebp + 0x10], 8
je 0x4a7981
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e0200]
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 0x4a7b90
test byte [ebp + 0x10], 1
je 0x4a7b90
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 0x4a7b79
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.0048e3a1
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e0200]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004a7e38
pop ecx
jmp 0x4a76f7
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a4db6
add esp, 0x10
or eax, edx
je 0x4a7b11
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a4db6
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a77f1
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0049f913
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a77f1
cmp eax, 2
je 0x4a7ab5
cmp eax, 3
jne 0x4a7b03
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a7ab5
mov byte [ebp - 2], 1
jmp 0x4a790f
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a790f
cmp eax, 2
jbe 0x4a7b11
cmp eax, 4
ja 0x4a7906
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a4db6
add esp, 0x10
or eax, edx
je 0x4a7b11
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a4db6
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a790f
jmp 0x4a77f1
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a7add
push dword [esi]
call fcn.0049fffe
pop ecx
call fcn.0048e37b
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a7b92
cmp eax, 0xfeff
jne 0x4a7b03
push ebx
push 2
push dword [esi]
call fcn.004a0552
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a77f1
mov byte [ebp - 2], 2
jmp 0x4a790f
push ebx
push ebx
push dword [esi]
call fcn.004a0552
add esp, 0xc
jmp 0x4a7aa7
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a7b31
dec eax
jne 0x4a790f
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a7b3f
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.004a3137
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a7b65
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a7b3f
jmp 0x4a790f
push dword [esi]
call fcn.0049fffe
pop ecx
call fcn.0048e37b
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a7b92
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4e0200]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret