Function at 0x1004f6ed
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 0x1004f71c
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x1004f726
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.1003d1a0
test eax, eax
pop ecx
je 0x1004f741
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10039582
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.1003f49b
test eax, eax
pop ecx
je 0x1004f75c
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10039582
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x1004f779
test ecx, 0x74000
jne 0x1004f775
cmp dword [ebp - 0x24], eax
je 0x1004f779
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, bind
je 0x1004f7d3
dec eax
je 0x1004f7bd
dec eax
je 0x1004f7b8
call fcn.1003f2a9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.1003f296
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.1003967e
add esp, 0x14
jmp 0x1004fd86
mov dword [ebp - 8], edx
jmp 0x1004f7d6
test cl, 8
je 0x1004f7ca
test ecx, 0x70000
jne 0x1004f7b8
mov dword [ebp - 8], 0x40000000
jmp 0x1004f7d6
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x1004f817
sub eax, ecx
je 0x1004f80e
sub eax, ecx
je 0x1004f805
sub eax, ecx
je 0x1004f7fc
sub eax, 0x40
jne 0x1004f792
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x1004f81a
mov dword [ebp - 0x10], 3
jmp 0x1004f81a
mov dword [ebp - 0x10], 2
jmp 0x1004f81a
mov dword [ebp - 0x10], 1
jmp 0x1004f81a
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 0x1004f86d
je 0x1004f864
cmp eax, ebx
je 0x1004f864
cmp eax, edi
je 0x1004f85b
cmp eax, 0x200
je 0x1004f8e0
cmp eax, 0x300
jne 0x1004f792
mov dword [ebp - 0x14], 2
jmp 0x1004f88a
mov dword [ebp - 0x14], 4
jmp 0x1004f88a
mov dword [ebp - 0x14], 3
jmp 0x1004f88a
cmp eax, 0x500
je 0x1004f883
cmp eax, 0x600
je 0x1004f8e0
cmp eax, edx
jne 0x1004f792
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x1004f8ae
mov ecx, dword [0x100694a0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x1004f8ae
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x1004f8ca
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x1004f8ca
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x1004f8d3
or dword [ebp - 0xc], edi
test al, 0x20
je 0x1004f8e9
or dword [ebp - 0xc], 0x8000000
jmp 0x1004f8f4
mov dword [ebp - 0x14], 5
jmp 0x1004f88a
test al, 0x10
je 0x1004f8f4
or dword [ebp - 0xc], 0x10000000
call fcn.100494a5
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x1004f91a
call fcn.1003f2a9
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.1003f296
mov dword [eax], 0x18
jmp 0x1004f9a8
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 0x1004f9b4
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x1004f980
test byte [ebp + 0x10], 1
je 0x1004f980
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 0x1004f9b4
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10069f60]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.1003f2bc
pop ecx
call fcn.1003f296
mov eax, dword [eax]
jmp 0x1004fe42
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x1004fa05
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10069f60]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.1003f2bc
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x1004f9a8
call fcn.1003f296
mov dword [eax], 0xd
jmp 0x1004f9a8
cmp eax, 2
jne 0x1004fa10
or byte [ebp - 1], 0x40
jmp 0x1004fa19
cmp eax, 3
jne 0x1004fa19
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.10049274
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x10069f60]
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 + 0x10069f60]
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 0x1004faef
test cl, 0x80
je 0x1004fbbf
test byte [ebp + 0x10], 2
je 0x1004faef
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.10044aab
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x1004faad
call fcn.1003f2a9
cmp dword [eax], 0x83
je 0x1004faef
push dword [esi]
call fcn.10044ce1
jmp 0x1004f9a7
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.1003e04b
add esp, 0xc
test eax, eax
jne 0x1004fadf
cmp word [ebp - 0x2c], 0x1a
jne 0x1004fadf
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.10050106
add esp, 0xc
cmp eax, edi
je 0x1004faa1
push ebx
push ebx
push dword [esi]
call fcn.10044aab
add esp, 0xc
cmp eax, edi
je 0x1004faa1
test byte [ebp - 1], 0x80
je 0x1004fbbf
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x1004fb17
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x1004fb14
or dword [ebp + 0x10], edi
jmp 0x1004fb17
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x1004fb64
cmp eax, 0x10000
je 0x1004fb50
cmp eax, 0x14000
je 0x1004fb50
cmp eax, 0x20000
je 0x1004fb5e
cmp eax, 0x24000
je 0x1004fb5e
cmp eax, 0x40000
je 0x1004fb4a
cmp eax, 0x44000
jne 0x1004fb67
mov byte [ebp - 2], 1
jmp 0x1004fb67
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x1004fb67
mov byte [ebp - 2], 2
jmp 0x1004fb67
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x1004fbbf
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x1004fbbf
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x1004fd19
cmp eax, 0x80000000
je 0x1004fce0
cmp eax, ecx
jne 0x1004fbbf
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x1004fbbf
cmp eax, 2
jbe 0x1004fdc1
cmp eax, 4
jbe 0x1004fcb2
cmp eax, 5
je 0x1004fdc1
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10069f60]
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 + 0x10069f60]
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 0x1004fc31
test byte [ebp + 0x10], 8
je 0x1004fc31
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10069f60]
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 0x1004fe40
test byte [ebp + 0x10], 1
je 0x1004fe40
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 0x1004fe29
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.1003f2bc
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10069f60]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.100492f1
pop ecx
jmp 0x1004f9a7
push 2
push ebx
push ebx
push dword [esi]
call fcn.10049764
add esp, 0x10
or eax, edx
je 0x1004fdc1
push ebx
push ebx
push ebx
push dword [esi]
call fcn.10049764
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x1004faa1
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.1003e04b
add esp, 0xc
cmp eax, 0xffffffff
je 0x1004faa1
cmp eax, 2
je 0x1004fd65
cmp eax, 3
jne 0x1004fdb3
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x1004fd65
mov byte [ebp - 2], 1
jmp 0x1004fbbf
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x1004fbbf
cmp eax, 2
jbe 0x1004fdc1
cmp eax, 4
ja 0x1004fbb6
push 2
push ebx
push ebx
push dword [esi]
call fcn.10049764
add esp, 0x10
or eax, edx
je 0x1004fdc1
push ebx
push ebx
push ebx
push dword [esi]
call fcn.10049764
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x1004fbbf
jmp 0x1004faa1
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x1004fd8d
push dword [esi]
call fcn.10044ce1
pop ecx
call fcn.1003f296
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x1004fe42
cmp eax, 0xfeff
jne 0x1004fdb3
push ebx
push 2
push dword [esi]
call fcn.10044aab
add esp, 0xc
cmp eax, 0xffffffff
je 0x1004faa1
mov byte [ebp - 2], 2
jmp 0x1004fbbf
push ebx
push ebx
push dword [esi]
call fcn.10044aab
add esp, 0xc
jmp 0x1004fd57
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x1004fde1
dec eax
jne 0x1004fbbf
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x1004fdef
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.1003df6f
add esp, 0xc
cmp eax, 0xffffffff
je 0x1004fe15
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x1004fdef
jmp 0x1004fbbf
push dword [esi]
call fcn.10044ce1
pop ecx
call fcn.1003f296
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x1004fe42
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10069f60]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret