Function at 0x100757cf
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 0x100757fe
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x10075808
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.1008437f
test eax, eax
pop ecx
je 0x10075823
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.100662c4
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.10068183
test eax, eax
pop ecx
je 0x1007583e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.100662c4
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x1007585b
test ecx, 0x74000
jne 0x10075857
cmp dword [ebp - 0x24], eax
je 0x1007585b
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, 0x80000000
je 0x100758b5
dec eax
je 0x1007589f
dec eax
je 0x1007589a
call fcn.10066483
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10066470
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.100663f8
add esp, 0x14
jmp 0x10075e67
mov dword [ebp - 8], edx
jmp 0x100758b8
test cl, 8
je 0x100758ac
test ecx, 0x70000
jne 0x1007589a
mov dword [ebp - 8], 0x40000000
jmp 0x100758b8
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x100758f9
sub eax, ecx
je 0x100758f0
sub eax, ecx
je 0x100758e7
sub eax, ecx
je 0x100758de
sub eax, 0x40
jne 0x10075874
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x100758fc
mov dword [ebp - 0x10], 3
jmp 0x100758fc
mov dword [ebp - 0x10], 2
jmp 0x100758fc
mov dword [ebp - 0x10], 1
jmp 0x100758fc
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 0x1007594f
je 0x10075946
cmp eax, ebx
je 0x10075946
cmp eax, edi
je 0x1007593d
cmp eax, 0x200
je 0x100759c2
cmp eax, 0x300
jne 0x10075874
mov dword [ebp - 0x14], 2
jmp 0x1007596c
mov dword [ebp - 0x14], 4
jmp 0x1007596c
mov dword [ebp - 0x14], 3
jmp 0x1007596c
cmp eax, 0x500
je 0x10075965
cmp eax, 0x600
je 0x100759c2
cmp eax, edx
jne 0x10075874
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x10075990
mov ecx, dword [0x100a048c]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x10075990
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x100759ac
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x100759ac
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x100759b5
or dword [ebp - 0xc], edi
test al, 0x20
je 0x100759cb
or dword [ebp - 0xc], 0x8000000
jmp 0x100759d6
mov dword [ebp - 0x14], 5
jmp 0x1007596c
test al, 0x10
je 0x100759d6
or dword [ebp - 0xc], 0x10000000
call fcn.1007478d
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x100759fc
call fcn.10066483
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10066470
mov dword [eax], 0x18
jmp 0x10075a8a
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 0x10075a96
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x10075a62
test byte [ebp + 0x10], 1
je 0x10075a62
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 0x10075a96
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x100a0b00]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10066496
pop ecx
call fcn.10066470
mov eax, dword [eax]
jmp 0x10075f23
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x10075ae7
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x100a0b00]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.10066496
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x10075a8a
call fcn.10066470
mov dword [eax], 0xd
jmp 0x10075a8a
cmp eax, 2
jne 0x10075af2
or byte [ebp - 1], 0x40
jmp 0x10075afb
cmp eax, 3
jne 0x10075afb
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.1007455c
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x100a0b00]
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 + 0x100a0b00]
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 0x10075bd0
test cl, 0x80
je 0x10075ca0
test byte [ebp + 0x10], 2
je 0x10075bd0
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.1008412f
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x10075b8f
call fcn.10066483
cmp dword [eax], 0x83
je 0x10075bd0
push dword [esi]
call fcn.10066100
jmp 0x10075a89
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.10083a71
add esp, 0xc
test eax, eax
jne 0x10075bc0
cmp byte [ebp - 4], 0x1a
jne 0x10075bc0
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.100837b8
add esp, 0xc
cmp eax, edi
je 0x10075b83
push ebx
push ebx
push dword [esi]
call fcn.1008412f
add esp, 0xc
cmp eax, edi
je 0x10075b83
test byte [ebp - 1], 0x80
je 0x10075ca0
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x10075bf8
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x10075bf5
or dword [ebp + 0x10], edi
jmp 0x10075bf8
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x10075c45
cmp eax, 0x10000
je 0x10075c31
cmp eax, 0x14000
je 0x10075c31
cmp eax, 0x20000
je 0x10075c3f
cmp eax, 0x24000
je 0x10075c3f
cmp eax, 0x40000
je 0x10075c2b
cmp eax, 0x44000
jne 0x10075c48
mov byte [ebp - 2], 1
jmp 0x10075c48
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x10075c48
mov byte [ebp - 2], 2
jmp 0x10075c48
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x10075ca0
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x10075ca0
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x10075dfa
cmp eax, 0x80000000
je 0x10075dc1
cmp eax, ecx
jne 0x10075ca0
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x10075ca0
cmp eax, 2
jbe 0x10075ea2
cmp eax, 4
jbe 0x10075d93
cmp eax, 5
je 0x10075ea2
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100a0b00]
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 + 0x100a0b00]
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 0x10075d12
test byte [ebp + 0x10], 8
je 0x10075d12
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100a0b00]
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 0x10075f21
test byte [ebp + 0x10], 1
je 0x10075f21
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 0x10075f0a
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10066496
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100a0b00]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.100745d9
pop ecx
jmp 0x10075a89
push 2
push ebx
push ebx
push dword [esi]
call fcn.100751ad
add esp, 0x10
or eax, edx
je 0x10075ea2
push ebx
push ebx
push ebx
push dword [esi]
call fcn.100751ad
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x10075b83
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.10083a71
add esp, 0xc
cmp eax, 0xffffffff
je 0x10075b83
cmp eax, 2
je 0x10075e46
cmp eax, 3
jne 0x10075e94
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x10075e46
mov byte [ebp - 2], 1
jmp 0x10075ca0
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x10075ca0
cmp eax, 2
jbe 0x10075ea2
cmp eax, 4
ja 0x10075c97
push 2
push ebx
push ebx
push dword [esi]
call fcn.100751ad
add esp, 0x10
or eax, edx
je 0x10075ea2
push ebx
push ebx
push ebx
push dword [esi]
call fcn.100751ad
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x10075ca0
jmp 0x10075b83
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x10075e6e
push dword [esi]
call fcn.10066100
pop ecx
call fcn.10066470
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x10075f23
cmp eax, 0xfeff
jne 0x10075e94
push ebx
push 2
push dword [esi]
call fcn.1008412f
add esp, 0xc
cmp eax, 0xffffffff
je 0x10075b83
mov byte [ebp - 2], 2
jmp 0x10075ca0
push ebx
push ebx
push dword [esi]
call fcn.1008412f
add esp, 0xc
jmp 0x10075e38
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x10075ec2
dec eax
jne 0x10075ca0
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x10075ed0
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.10066ecc
add esp, 0xc
cmp eax, 0xffffffff
je 0x10075ef6
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x10075ed0
jmp 0x10075ca0
push dword [esi]
call fcn.10066100
pop ecx
call fcn.10066470
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x10075f23
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x100a0b00]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret