Function at 0x4a073f
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 0x4a076e
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x4a0778
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0049c231
test eax, eax
pop ecx
je 0x4a0793
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048a50e
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0048f0db
test eax, eax
pop ecx
je 0x4a07ae
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.0048a50e
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x4a07cb
test ecx, 0x74000
jne 0x4a07c7
cmp dword [ebp - 0x24], eax
je 0x4a07cb
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x4a0825
dec eax
je 0x4a080f
dec eax
je 0x4a080a
call fcn.004905c3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004905b0
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.0048a60a
add esp, 0x14
jmp 0x4a0dd7
mov dword [ebp - 8], edx
jmp 0x4a0828
test cl, 8
je 0x4a081c
test ecx, 0x70000
jne 0x4a080a
mov dword [ebp - 8], 0x40000000
jmp 0x4a0828
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x4a0869
sub eax, ecx
je 0x4a0860
sub eax, ecx
je 0x4a0857
sub eax, ecx
je 0x4a084e
sub eax, 0x40
jne 0x4a07e4
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x4a086c
mov dword [ebp - 0x10], 3
jmp 0x4a086c
mov dword [ebp - 0x10], 2
jmp 0x4a086c
mov dword [ebp - 0x10], 1
jmp 0x4a086c
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 0x4a08bf
je 0x4a08b6
cmp eax, ebx
je 0x4a08b6
cmp eax, edi
je 0x4a08ad
cmp eax, 0x200
je 0x4a0932
cmp eax, 0x300
jne 0x4a07e4
mov dword [ebp - 0x14], 2
jmp 0x4a08dc
mov dword [ebp - 0x14], 4
jmp 0x4a08dc
mov dword [ebp - 0x14], 3
jmp 0x4a08dc
cmp eax, 0x500
je 0x4a08d5
cmp eax, 0x600
je 0x4a0932
cmp eax, edx
jne 0x4a07e4
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x4a0900
mov ecx, dword [0x4d70b0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x4a0900
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x4a091c
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x4a091c
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x4a0925
or dword [ebp - 0xc], edi
test al, 0x20
je 0x4a093b
or dword [ebp - 0xc], 0x8000000
jmp 0x4a0946
mov dword [ebp - 0x14], 5
jmp 0x4a08dc
test al, 0x10
je 0x4a0946
or dword [ebp - 0xc], 0x10000000
call fcn.0048d14b
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x4a096c
call fcn.004905c3
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.004905b0
mov dword [eax], 0x18
jmp 0x4a09fa
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 0x4a0a06
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x4a09d2
test byte [ebp + 0x10], 1
je 0x4a09d2
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 0x4a0a06
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d82e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004905d6
pop ecx
call fcn.004905b0
mov eax, dword [eax]
jmp 0x4a0e93
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x4a0a57
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4d82e0]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.004905d6
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x4a09fa
call fcn.004905b0
mov dword [eax], 0xd
jmp 0x4a09fa
cmp eax, 2
jne 0x4a0a62
or byte [ebp - 1], 0x40
jmp 0x4a0a6b
cmp eax, 3
jne 0x4a0a6b
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0048cf1a
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4d82e0]
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 + 0x4d82e0]
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 0x4a0b40
test cl, 0x80
je 0x4a0c10
test byte [ebp + 0x10], 2
je 0x4a0b40
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00495a20
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4a0aff
call fcn.004905c3
cmp dword [eax], 0x83
je 0x4a0b40
push dword [esi]
call fcn.004955ff
jmp 0x4a09f9
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.004969e9
add esp, 0xc
test eax, eax
jne 0x4a0b30
cmp byte [ebp - 4], 0x1a
jne 0x4a0b30
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0048c9ce
add esp, 0xc
cmp eax, edi
je 0x4a0af3
push ebx
push ebx
push dword [esi]
call fcn.00495a20
add esp, 0xc
cmp eax, edi
je 0x4a0af3
test byte [ebp - 1], 0x80
je 0x4a0c10
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x4a0b68
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x4a0b65
or dword [ebp + 0x10], edi
jmp 0x4a0b68
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4a0bb5
cmp eax, 0x10000
je 0x4a0ba1
cmp eax, 0x14000
je 0x4a0ba1
cmp eax, 0x20000
je 0x4a0baf
cmp eax, 0x24000
je 0x4a0baf
cmp eax, 0x40000
je 0x4a0b9b
cmp eax, 0x44000
jne 0x4a0bb8
mov byte [ebp - 2], 1
jmp 0x4a0bb8
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4a0bb8
mov byte [ebp - 2], 2
jmp 0x4a0bb8
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x4a0c10
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x4a0c10
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x4a0d6a
cmp eax, 0x80000000
je 0x4a0d31
cmp eax, ecx
jne 0x4a0c10
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a0c10
cmp eax, 2
jbe 0x4a0e12
cmp eax, 4
jbe 0x4a0d03
cmp eax, 5
je 0x4a0e12
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d82e0]
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 + 0x4d82e0]
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 0x4a0c82
test byte [ebp + 0x10], 8
je 0x4a0c82
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d82e0]
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 0x4a0e91
test byte [ebp + 0x10], 1
je 0x4a0e91
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 0x4a0e7a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.004905d6
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d82e0]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0048cf97
pop ecx
jmp 0x4a09f9
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049c265
add esp, 0x10
or eax, edx
je 0x4a0e12
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049c265
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4a0af3
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.004969e9
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a0af3
cmp eax, 2
je 0x4a0db6
cmp eax, 3
jne 0x4a0e04
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4a0db6
mov byte [ebp - 2], 1
jmp 0x4a0c10
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x4a0c10
cmp eax, 2
jbe 0x4a0e12
cmp eax, 4
ja 0x4a0c07
push 2
push ebx
push ebx
push dword [esi]
call fcn.0049c265
add esp, 0x10
or eax, edx
je 0x4a0e12
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0049c265
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x4a0c10
jmp 0x4a0af3
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4a0dde
push dword [esi]
call fcn.004955ff
pop ecx
call fcn.004905b0
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x4a0e93
cmp eax, 0xfeff
jne 0x4a0e04
push ebx
push 2
push dword [esi]
call fcn.00495a20
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a0af3
mov byte [ebp - 2], 2
jmp 0x4a0c10
push ebx
push ebx
push dword [esi]
call fcn.00495a20
add esp, 0xc
jmp 0x4a0da8
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x4a0e32
dec eax
jne 0x4a0c10
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x4a0e40
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.0049bfb8
add esp, 0xc
cmp eax, 0xffffffff
je 0x4a0e66
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x4a0e40
jmp 0x4a0c10
push dword [esi]
call fcn.004955ff
pop ecx
call fcn.004905b0
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x4a0e93
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4d82e0]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret