Function at 0x4a7367
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 0x4a7396
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a73a0
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.004a0ff1
test eax, eax
pop ecx
je 0x4a73bb
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048e04e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00493c3d
test eax, eax
pop ecx
je 0x4a73d6
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048e04e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a73f3
test ecx, 0x74000
jne 0x4a73ef
cmp dword [ebp - 0x24], eax
je 0x4a73f3
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a744d
dec eax
je 0x4a7437
dec eax
je 0x4a7432
call fcn.00495133
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00495120
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048e14a
add esp, 0x14
jmp 0x4a7a00
mov dword [ebp - 8], edx
jmp 0x4a7450
test cl, 8
je 0x4a7444
test ecx, 0x70000
jne 0x4a7432
mov dword [ebp - 8], 0x40000000
jmp 0x4a7450
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a7491
sub eax, ecx
je 0x4a7488
sub eax, ecx
je 0x4a747f
sub eax, ecx
je 0x4a7476
sub eax, 0x40
jne 0x4a740c
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a7494
mov dword [ebp - 0x10], 3
jmp 0x4a7494
mov dword [ebp - 0x10], 2
jmp 0x4a7494
mov dword [ebp - 0x10], 1
jmp 0x4a7494
mov dword [ebp - 0x10], ebx
mov eax, dword [ebp + 0x10]
mov edx, 0x700
and eax, edx
mov ecx, 0x400
cmp eax, ecx
mov edi, pe_nt_image_headers32
jg 0x4a74e7
je 0x4a74de
cmp eax, ebx
je 0x4a74de
cmp eax, edi
je 0x4a74d5
cmp eax, 0x200
je 0x4a755a
cmp eax, 0x300
jne 0x4a740c
mov dword [ebp - 0x14], 2
jmp 0x4a7504
mov dword [ebp - 0x14], 4
jmp 0x4a7504
mov dword [ebp - 0x14], 3
jmp 0x4a7504
cmp eax, 0x500
je 0x4a74fd
cmp eax, 0x600
je 0x4a755a
cmp eax, edx
jne 0x4a740c
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a7528
mov ecx, dword [0x4de2f4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a7528
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a7544
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a7544
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a754d
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a7563
or dword [ebp - 0xc], 0x8000000
jmp 0x4a756e
mov dword [ebp - 0x14], 5
jmp 0x4a7504
test al, 0x10
je 0x4a756e
or dword [ebp - 0xc], 0x10000000
call fcn.00490d4b
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a7594
call fcn.00495133
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00495120
mov dword [eax], 0x18
jmp 0x4a7622
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 0x4a762e
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a75fa
test byte [ebp + 0x10], 1
je 0x4a75fa
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 0x4a762e
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4df580]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00495146
pop ecx
call fcn.00495120
mov eax, dword [eax]
jmp 0x4a7abc
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a767f
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4df580]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00495146
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a7622
call fcn.00495120
mov dword [eax], 0xd
jmp 0x4a7622
cmp eax, 2
jne 0x4a768a
or byte [ebp - 1], 0x40
jmp 0x4a7693
cmp eax, 3
jne 0x4a7693
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.00490b1a
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4df580]
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 + 0x4df580]
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 0x4a7769
test cl, 0x80
je 0x4a7839
test byte [ebp + 0x10], 2
je 0x4a7769
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.0049a7e8
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a7727
call fcn.00495133
cmp dword [eax], 0x83
je 0x4a7769
push dword [esi]
call fcn.0049a3c7
jmp 0x4a7621
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.0049b7b1
add esp, 0xc
test eax, eax
jne 0x4a7759
cmp word [ebp - 0x2c], 0x1a
jne 0x4a7759
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.004905ce
add esp, 0xc
cmp eax, edi
je 0x4a771b
push ebx
push ebx
push dword [esi]
call fcn.0049a7e8
add esp, 0xc
cmp eax, edi
je 0x4a771b
test byte [ebp - 1], 0x80
je 0x4a7839
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a7791
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a778e
or dword [ebp + 0x10], edi
jmp 0x4a7791
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a77de
cmp eax, 0x10000
je 0x4a77ca
cmp eax, 0x14000
je 0x4a77ca
cmp eax, 0x20000
je 0x4a77d8
cmp eax, 0x24000
je 0x4a77d8
cmp eax, 0x40000
je 0x4a77c4
cmp eax, 0x44000
jne 0x4a77e1
mov byte [ebp - 2], 1
jmp 0x4a77e1
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a77e1
mov byte [ebp - 2], 2
jmp 0x4a77e1
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a7839
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a7839
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a7993
cmp eax, 0x80000000
je 0x4a795a
cmp eax, ecx
jne 0x4a7839
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a7839
cmp eax, 2
jbe 0x4a7a3b
cmp eax, 4
jbe 0x4a792c
cmp eax, 5
je 0x4a7a3b
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4df580]
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 + 0x4df580]
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 0x4a78ab
test byte [ebp + 0x10], 8
je 0x4a78ab
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4df580]
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 0x4a7aba
test byte [ebp + 0x10], 1
je 0x4a7aba
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 0x4a7aa3
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00495146
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4df580]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.00490b97
pop ecx
jmp 0x4a7621
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a1025
add esp, 0x10
or eax, edx
je 0x4a7a3b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a1025
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a771b
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.0049b7b1
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a771b
cmp eax, 2
je 0x4a79df
cmp eax, 3
jne 0x4a7a2d
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a79df
mov byte [ebp - 2], 1
jmp 0x4a7839
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a7839
cmp eax, 2
jbe 0x4a7a3b
cmp eax, 4
ja 0x4a7830
push 2
push ebx
push ebx
push dword [esi]
call fcn.004a1025
add esp, 0x10
or eax, edx
je 0x4a7a3b
push ebx
push ebx
push ebx
push dword [esi]
call fcn.004a1025
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a7839
jmp 0x4a771b
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a7a07
push dword [esi]
call fcn.0049a3c7
pop ecx
call fcn.00495120
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a7abc
cmp eax, 0xfeff
jne 0x4a7a2d
push ebx
push 2
push dword [esi]
call fcn.0049a7e8
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a771b
mov byte [ebp - 2], 2
jmp 0x4a7839
push ebx
push ebx
push dword [esi]
call fcn.0049a7e8
add esp, 0xc
jmp 0x4a79d1
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a7a5b
dec eax
jne 0x4a7839
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a7a69
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.004a0d78
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a7a8f
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a7a69
jmp 0x4a7839
push dword [esi]
call fcn.0049a3c7
pop ecx
call fcn.00495120
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a7abc
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4df580]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret