Function at 0x447d3d
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 0x447d6c
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x447d76
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.00449258
test eax, eax
pop ecx
je 0x447d91
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004358d4
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0043a32e
test eax, eax
pop ecx
je 0x447dac
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.004358d4
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x447dc9
test ecx, 0x74000
jne 0x447dc5
cmp dword [ebp - 0x24], eax
je 0x447dc9
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x447e23
dec eax
je 0x447e0d
dec eax
je 0x447e08
call fcn.0043a1fa
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043a1e7
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.004359d0
add esp, 0x14
jmp 0x4483d5
mov dword [ebp - 8], edx
jmp 0x447e26
test cl, 8
je 0x447e1a
test ecx, 0x70000
jne 0x447e08
mov dword [ebp - 8], 0x40000000
jmp 0x447e26
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x447e67
sub eax, ecx
je 0x447e5e
sub eax, ecx
je 0x447e55
sub eax, ecx
je 0x447e4c
sub eax, 0x40
jne 0x447de2
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x447e6a
mov dword [ebp - 0x10], 3
jmp 0x447e6a
mov dword [ebp - 0x10], 2
jmp 0x447e6a
mov dword [ebp - 0x10], 1
jmp 0x447e6a
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 0x447ebd
je 0x447eb4
cmp eax, ebx
je 0x447eb4
cmp eax, edi
je 0x447eab
cmp eax, 0x200
je 0x447f30
cmp eax, 0x300
jne 0x447de2
mov dword [ebp - 0x14], 2
jmp 0x447eda
mov dword [ebp - 0x14], 4
jmp 0x447eda
mov dword [ebp - 0x14], 3
jmp 0x447eda
cmp eax, 0x500
je 0x447ed3
cmp eax, 0x600
je 0x447f30
cmp eax, edx
jne 0x447de2
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x447efe
mov ecx, dword [0x46f4b0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x447efe
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x447f1a
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x447f1a
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x447f23
or dword [ebp - 0xc], edi
test al, 0x20
je 0x447f39
or dword [ebp - 0xc], 0x8000000
jmp 0x447f44
mov dword [ebp - 0x14], 5
jmp 0x447eda
test al, 0x10
je 0x447f44
or dword [ebp - 0xc], 0x10000000
call fcn.0044795c
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x447f6a
call fcn.0043a1fa
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.0043a1e7
mov dword [eax], 0x18
jmp 0x447ff8
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 0x448004
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x447fd0
test byte [ebp + 0x10], 1
je 0x447fd0
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 0x448004
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x470120]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.0043a20d
pop ecx
call fcn.0043a1e7
mov eax, dword [eax]
jmp 0x448491
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_GetFileType]
cmp eax, ebx
jne 0x448055
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x470120]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.DLL_GetLastError]
mov esi, eax
push esi
call fcn.0043a20d
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.DLL_CloseHandle]
cmp esi, ebx
jne 0x447ff8
call fcn.0043a1e7
mov dword [eax], 0xd
jmp 0x447ff8
cmp eax, 2
jne 0x448060
or byte [ebp - 1], 0x40
jmp 0x448069
cmp eax, 3
jne 0x448069
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0044772b
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x470120]
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 + 0x470120]
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 0x44813e
test cl, 0x80
je 0x44820e
test byte [ebp + 0x10], 2
je 0x44813e
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00442a66
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x4480fd
call fcn.0043a1fa
cmp dword [eax], 0x83
je 0x44813e
push dword [esi]
call fcn.00442752
jmp 0x447ff7
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00441ec6
add esp, 0xc
test eax, eax
jne 0x44812e
cmp byte [ebp - 4], 0x1a
jne 0x44812e
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.00448fe8
add esp, 0xc
cmp eax, edi
je 0x4480f1
push ebx
push ebx
push dword [esi]
call fcn.00442a66
add esp, 0xc
cmp eax, edi
je 0x4480f1
test byte [ebp - 1], 0x80
je 0x44820e
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x448166
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x448163
or dword [ebp + 0x10], edi
jmp 0x448166
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x4481b3
cmp eax, 0x10000
je 0x44819f
cmp eax, 0x14000
je 0x44819f
cmp eax, 0x20000
je 0x4481ad
cmp eax, 0x24000
je 0x4481ad
cmp eax, 0x40000
je 0x448199
cmp eax, 0x44000
jne 0x4481b6
mov byte [ebp - 2], 1
jmp 0x4481b6
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x4481b6
mov byte [ebp - 2], 2
jmp 0x4481b6
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x44820e
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x44820e
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x448368
cmp eax, 0x80000000
je 0x44832f
cmp eax, ecx
jne 0x44820e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x44820e
cmp eax, 2
jbe 0x448410
cmp eax, 4
jbe 0x448301
cmp eax, 5
je 0x448410
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x470120]
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 + 0x470120]
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 0x448280
test byte [ebp + 0x10], 8
je 0x448280
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x470120]
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 0x44848f
test byte [ebp + 0x10], 1
je 0x44848f
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 0x448478
call dword [sym.imp.KERNEL32.DLL_GetLastError]
push eax
call fcn.0043a20d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x470120]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.004477a8
pop ecx
jmp 0x447ff7
push 2
push ebx
push ebx
push dword [esi]
call fcn.0044666e
add esp, 0x10
or eax, edx
je 0x448410
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0044666e
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x4480f1
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00441ec6
add esp, 0xc
cmp eax, 0xffffffff
je 0x4480f1
cmp eax, 2
je 0x4483b4
cmp eax, 3
jne 0x448402
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x4483b4
mov byte [ebp - 2], 1
jmp 0x44820e
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x44820e
cmp eax, 2
jbe 0x448410
cmp eax, 4
ja 0x448205
push 2
push ebx
push ebx
push dword [esi]
call fcn.0044666e
add esp, 0x10
or eax, edx
je 0x448410
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0044666e
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x44820e
jmp 0x4480f1
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x4483dc
push dword [esi]
call fcn.00442752
pop ecx
call fcn.0043a1e7
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x448491
cmp eax, 0xfeff
jne 0x448402
push ebx
push 2
push dword [esi]
call fcn.00442a66
add esp, 0xc
cmp eax, 0xffffffff
je 0x4480f1
mov byte [ebp - 2], 2
jmp 0x44820e
push ebx
push ebx
push dword [esi]
call fcn.00442a66
add esp, 0xc
jmp 0x4483a6
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x448430
dec eax
jne 0x44820e
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x44843e
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.004435c0
add esp, 0xc
cmp eax, 0xffffffff
je 0x448464
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x44843e
jmp 0x44820e
push dword [esi]
call fcn.00442752
pop ecx
call fcn.0043a1e7
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x448491
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x470120]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret