Function at 0x4a495b
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 0x4a498a
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a4994
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049f0e1
test eax, eax
pop ecx
je 0x4a49af
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048c13e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00491d32
test eax, eax
pop ecx
je 0x4a49ca
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048c13e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a49e7
test ecx, 0x74000
jne 0x4a49e3
cmp dword [ebp - 0x24], eax
je 0x4a49e7
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a4a41
dec eax
je 0x4a4a2b
dec eax
je 0x4a4a26
call fcn.00493223
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00493210
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048c23a
add esp, 0x14
jmp 0x4a4ff3
mov dword [ebp - 8], edx
jmp 0x4a4a44
test cl, 8
je 0x4a4a38
test ecx, 0x70000
jne 0x4a4a26
mov dword [ebp - 8], 0x40000000
jmp 0x4a4a44
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a4a85
sub eax, ecx
je 0x4a4a7c
sub eax, ecx
je 0x4a4a73
sub eax, ecx
je 0x4a4a6a
sub eax, 0x40
jne 0x4a4a00
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a4a88
mov dword [ebp - 0x10], 3
jmp 0x4a4a88
mov dword [ebp - 0x10], 2
jmp 0x4a4a88
mov dword [ebp - 0x10], 1
jmp 0x4a4a88
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 0x4a4adb
je 0x4a4ad2
cmp eax, ebx
je 0x4a4ad2
cmp eax, edi
je 0x4a4ac9
cmp eax, 0x200
je 0x4a4b4e
cmp eax, 0x300
jne 0x4a4a00
mov dword [ebp - 0x14], 2
jmp 0x4a4af8
mov dword [ebp - 0x14], 4
jmp 0x4a4af8
mov dword [ebp - 0x14], 3
jmp 0x4a4af8
cmp eax, 0x500
je 0x4a4af1
cmp eax, 0x600
je 0x4a4b4e
cmp eax, edx
jne 0x4a4a00
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a4b1c
mov ecx, dword [0x4dc0d4]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a4b1c
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a4b38
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a4b38
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a4b41
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a4b57
or dword [ebp - 0xc], 0x8000000
jmp 0x4a4b62
mov dword [ebp - 0x14], 5
jmp 0x4a4af8
test al, 0x10
je 0x4a4b62
or dword [ebp - 0xc], 0x10000000
call fcn.0048edeb
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a4b88
call fcn.00493223
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00493210
mov dword [eax], 0x18
jmp 0x4a4c16
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 0x4a4c22
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a4bee
test byte [ebp + 0x10], 1
je 0x4a4bee
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 0x4a4c22
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4dd340]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00493236
pop ecx
call fcn.00493210
mov eax, dword [eax]
jmp 0x4a50af
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a4c73
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4dd340]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00493236
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a4c16
call fcn.00493210
mov dword [eax], 0xd
jmp 0x4a4c16
cmp eax, 2
jne 0x4a4c7e
or byte [ebp - 1], 0x40
jmp 0x4a4c87
cmp eax, 3
jne 0x4a4c87
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0048ebba
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4dd340]
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 + 0x4dd340]
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 0x4a4d5c
test cl, 0x80
je 0x4a4e2c
test byte [ebp + 0x10], 2
je 0x4a4d5c
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.004988d8
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a4d1b
call fcn.00493223
cmp dword [eax], 0x83
je 0x4a4d5c
push dword [esi]
call fcn.004984b7
jmp 0x4a4c15
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004998a1
add esp, 0xc
test eax, eax
jne 0x4a4d4c
cmp byte [ebp - 4], 0x1a
jne 0x4a4d4c
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048e66e
add esp, 0xc
cmp eax, edi
je 0x4a4d0f
push ebx
push ebx
push dword [esi]
call fcn.004988d8
add esp, 0xc
cmp eax, edi
je 0x4a4d0f
test byte [ebp - 1], 0x80
je 0x4a4e2c
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a4d84
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a4d81
or dword [ebp + 0x10], edi
jmp 0x4a4d84
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a4dd1
cmp eax, 0x10000
je 0x4a4dbd
cmp eax, 0x14000
je 0x4a4dbd
cmp eax, 0x20000
je 0x4a4dcb
cmp eax, 0x24000
je 0x4a4dcb
cmp eax, 0x40000
je 0x4a4db7
cmp eax, 0x44000
jne 0x4a4dd4
mov byte [ebp - 2], 1
jmp 0x4a4dd4
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a4dd4
mov byte [ebp - 2], 2
jmp 0x4a4dd4
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a4e2c
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a4e2c
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a4f86
cmp eax, 0x80000000
je 0x4a4f4d
cmp eax, ecx
jne 0x4a4e2c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a4e2c
cmp eax, 2
jbe 0x4a502e
cmp eax, 4
jbe 0x4a4f1f
cmp eax, 5
je 0x4a502e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dd340]
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 + 0x4dd340]
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 0x4a4e9e
test byte [ebp + 0x10], 8
je 0x4a4e9e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dd340]
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 0x4a50ad
test byte [ebp + 0x10], 1
je 0x4a50ad
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 0x4a5096
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00493236
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dd340]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048ec37
pop ecx
jmp 0x4a4c15
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049f115
add esp, 0x10
or eax, edx
je 0x4a502e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049f115
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a4d0f
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004998a1
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a4d0f
cmp eax, 2
je 0x4a4fd2
cmp eax, 3
jne 0x4a5020
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a4fd2
mov byte [ebp - 2], 1
jmp 0x4a4e2c
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a4e2c
cmp eax, 2
jbe 0x4a502e
cmp eax, 4
ja 0x4a4e23
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049f115
add esp, 0x10
or eax, edx
je 0x4a502e
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049f115
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a4e2c
jmp 0x4a4d0f
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a4ffa
push dword [esi]
call fcn.004984b7
pop ecx
call fcn.00493210
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a50af
cmp eax, 0xfeff
jne 0x4a5020
push ebx
push 2
push dword [esi]
call fcn.004988d8
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a4d0f
mov byte [ebp - 2], 2
jmp 0x4a4e2c
push ebx
push ebx
push dword [esi]
call fcn.004988d8
add esp, 0xc
jmp 0x4a4fc4
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a504e
dec eax
jne 0x4a4e2c
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a505c
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.0049ee68
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a5082
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a505c
jmp 0x4a4e2c
push dword [esi]
call fcn.004984b7
pop ecx
call fcn.00493210
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a50af
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4dd340]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret