Function at 0x4a057c
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 0x4a05ab
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a05b5
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049b265
test eax, eax
pop ecx
je 0x4a05d0
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004863b2
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.00490293
test eax, eax
pop ecx
je 0x4a05eb
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004863b2
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a0608
test ecx, 0x74000
jne 0x4a0604
cmp dword [ebp - 0x24], eax
je 0x4a0608
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a0662
dec eax
je 0x4a064c
dec eax
je 0x4a0647
call fcn.004901b9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004901a6
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004864ae
add esp, 0x14
jmp 0x4a0c15
mov dword [ebp - 8], edx
jmp 0x4a0665
test cl, 8
je 0x4a0659
test ecx, 0x70000
jne 0x4a0647
mov dword [ebp - 8], 0x40000000
jmp 0x4a0665
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a06a6
sub eax, ecx
je 0x4a069d
sub eax, ecx
je 0x4a0694
sub eax, ecx
je 0x4a068b
sub eax, 0x40
jne 0x4a0621
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a06a9
mov dword [ebp - 0x10], 3
jmp 0x4a06a9
mov dword [ebp - 0x10], 2
jmp 0x4a06a9
mov dword [ebp - 0x10], 1
jmp 0x4a06a9
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 0x4a06fc
je 0x4a06f3
cmp eax, ebx
je 0x4a06f3
cmp eax, edi
je 0x4a06ea
cmp eax, 0x200
je 0x4a076f
cmp eax, 0x300
jne 0x4a0621
mov dword [ebp - 0x14], 2
jmp 0x4a0719
mov dword [ebp - 0x14], 4
jmp 0x4a0719
mov dword [ebp - 0x14], 3
jmp 0x4a0719
cmp eax, 0x500
je 0x4a0712
cmp eax, 0x600
je 0x4a076f
cmp eax, edx
jne 0x4a0621
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a073d
mov ecx, dword [0x4ed658]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a073d
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a0759
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a0759
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a0762
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a0778
or dword [ebp - 0xc], 0x8000000
jmp 0x4a0783
mov dword [ebp - 0x14], 5
jmp 0x4a0719
test al, 0x10
je 0x4a0783
or dword [ebp - 0xc], 0x10000000
call fcn.0048c0f7
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a07a9
call fcn.004901b9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004901a6
mov dword [eax], 0x18
jmp 0x4a0837
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 0x4a0843
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a080f
test byte [ebp + 0x10], 1
je 0x4a080f
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 0x4a0843
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ef7e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004901cc
pop ecx
call fcn.004901a6
mov eax, dword [eax]
jmp 0x4a0cd1
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a0894
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4ef7e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004901cc
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a0837
call fcn.004901a6
mov dword [eax], 0xd
jmp 0x4a0837
cmp eax, 2
jne 0x4a089f
or byte [ebp - 1], 0x40
jmp 0x4a08a8
cmp eax, 3
jne 0x4a08a8
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0048bec6
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4ef7e0]
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 + 0x4ef7e0]
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 0x4a097e
test cl, 0x80
je 0x4a0a4e
test byte [ebp + 0x10], 2
je 0x4a097e
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00497f78
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a093c
call fcn.004901b9
cmp dword [eax], 0x83
je 0x4a097e
push dword [esi]
call fcn.00497a95
jmp 0x4a0836
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.004973d7
add esp, 0xc
test eax, eax
jne 0x4a096e
cmp word [ebp - 0x2c], 0x1a
jne 0x4a096e
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048badd
add esp, 0xc
cmp eax, edi
je 0x4a0930
push ebx
push ebx
push dword [esi]
call fcn.00497f78
add esp, 0xc
cmp eax, edi
je 0x4a0930
test byte [ebp - 1], 0x80
je 0x4a0a4e
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a09a6
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a09a3
or dword [ebp + 0x10], edi
jmp 0x4a09a6
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a09f3
cmp eax, 0x10000
je 0x4a09df
cmp eax, 0x14000
je 0x4a09df
cmp eax, 0x20000
je 0x4a09ed
cmp eax, 0x24000
je 0x4a09ed
cmp eax, 0x40000
je 0x4a09d9
cmp eax, 0x44000
jne 0x4a09f6
mov byte [ebp - 2], 1
jmp 0x4a09f6
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a09f6
mov byte [ebp - 2], 2
jmp 0x4a09f6
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a0a4e
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a0a4e
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a0ba8
cmp eax, 0x80000000
je 0x4a0b6f
cmp eax, ecx
jne 0x4a0a4e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a0a4e
cmp eax, 2
jbe 0x4a0c50
cmp eax, 4
jbe 0x4a0b41
cmp eax, 5
je 0x4a0c50
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ef7e0]
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 + 0x4ef7e0]
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 0x4a0ac0
test byte [ebp + 0x10], 8
je 0x4a0ac0
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ef7e0]
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 0x4a0ccf
test byte [ebp + 0x10], 1
je 0x4a0ccf
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 0x4a0cb8
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004901cc
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ef7e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048bf43
pop ecx
jmp 0x4a0836
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049b299
add esp, 0x10
or eax, edx
je 0x4a0c50
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049b299
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a0930
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004973d7
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a0930
cmp eax, 2
je 0x4a0bf4
cmp eax, 3
jne 0x4a0c42
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a0bf4
mov byte [ebp - 2], 1
jmp 0x4a0a4e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a0a4e
cmp eax, 2
jbe 0x4a0c50
cmp eax, 4
ja 0x4a0a45
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049b299
add esp, 0x10
or eax, edx
je 0x4a0c50
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049b299
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a0a4e
jmp 0x4a0930
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a0c1c
push dword [esi]
call fcn.00497a95
pop ecx
call fcn.004901a6
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a0cd1
cmp eax, 0xfeff
jne 0x4a0c42
push ebx
push 2
push dword [esi]
call fcn.00497f78
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a0930
mov byte [ebp - 2], 2
jmp 0x4a0a4e
push ebx
push ebx
push dword [esi]
call fcn.00497f78
add esp, 0xc
jmp 0x4a0be6
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a0c70
dec eax
jne 0x4a0a4e
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a0c7e
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.0049ab9a
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a0ca4
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a0c7e
jmp 0x4a0a4e
push dword [esi]
call fcn.00497a95
pop ecx
call fcn.004901a6
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a0cd1
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4ef7e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret