Function at 0x48ef7a
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 0x48efa9
mov dword [ebp - 0x2c], ebx
mov byte [ebp - 1], 0x10
jmp 0x48efb3
mov dword [ebp - 0x2c], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.0048c5e2
test eax, eax
pop ecx
je 0x48efce
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00479c0b
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.0047ccce
test eax, eax
pop ecx
je 0x48efe9
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.00479c0b
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x48f006
test ecx, 0x74000
jne 0x48f002
cmp dword [ebp - 0x24], eax
je 0x48f006
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x48f060
dec eax
je 0x48f04a
dec eax
je 0x48f045
call fcn.00480ad6
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480ac3
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.00479d07
add esp, 0x14
jmp 0x48f612
mov dword [ebp - 8], edx
jmp 0x48f063
test cl, 8
je 0x48f057
test ecx, 0x70000
jne 0x48f045
mov dword [ebp - 8], 0x40000000
jmp 0x48f063
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x48f0a4
sub eax, ecx
je 0x48f09b
sub eax, ecx
je 0x48f092
sub eax, ecx
je 0x48f089
sub eax, 0x40
jne 0x48f01f
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x48f0a7
mov dword [ebp - 0x10], 3
jmp 0x48f0a7
mov dword [ebp - 0x10], 2
jmp 0x48f0a7
mov dword [ebp - 0x10], 1
jmp 0x48f0a7
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 0x48f0fa
je 0x48f0f1
cmp eax, ebx
je 0x48f0f1
cmp eax, edi
je 0x48f0e8
cmp eax, 0x200
je 0x48f16d
cmp eax, 0x300
jne 0x48f01f
mov dword [ebp - 0x14], 2
jmp 0x48f117
mov dword [ebp - 0x14], 4
jmp 0x48f117
mov dword [ebp - 0x14], 3
jmp 0x48f117
cmp eax, 0x500
je 0x48f110
cmp eax, 0x600
je 0x48f16d
cmp eax, edx
jne 0x48f01f
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x48f13b
mov ecx, dword [0x4da360]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x48f13b
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x48f157
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x48f157
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x48f160
or dword [ebp - 0xc], edi
test al, 0x20
je 0x48f176
or dword [ebp - 0xc], 0x8000000
jmp 0x48f181
mov dword [ebp - 0x14], 5
jmp 0x48f117
test al, 0x10
je 0x48f181
or dword [ebp - 0xc], 0x10000000
call fcn.0047d8c7
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x48f1a7
call fcn.00480ad6
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.00480ac3
mov dword [eax], 0x18
jmp 0x48f235
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 0x48f241
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x48f20d
test byte [ebp + 0x10], 1
je 0x48f20d
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 0x48f241
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00480ae9
pop ecx
call fcn.00480ac3
mov eax, dword [eax]
jmp 0x48f6ce
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x48f292
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x4db700]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.00480ae9
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x48f235
call fcn.00480ac3
mov dword [eax], 0xd
jmp 0x48f235
cmp eax, 2
jne 0x48f29d
or byte [ebp - 1], 0x40
jmp 0x48f2a6
cmp eax, 3
jne 0x48f2a6
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.0047d696
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x4db700]
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 + 0x4db700]
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 0x48f37b
test cl, 0x80
je 0x48f44b
test byte [ebp + 0x10], 2
je 0x48f37b
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.00483d29
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x48f33a
call fcn.00480ad6
cmp dword [eax], 0x83
je 0x48f37b
push dword [esi]
call fcn.004832af
jmp 0x48f234
push 1
lea eax, [ebp - 4]
push eax
push dword [esi]
mov byte [ebp - 4], bl
call fcn.00484f32
add esp, 0xc
test eax, eax
jne 0x48f36b
cmp byte [ebp - 4], 0x1a
jne 0x48f36b
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.0047d308
add esp, 0xc
cmp eax, edi
je 0x48f32e
push ebx
push ebx
push dword [esi]
call fcn.00483d29
add esp, 0xc
cmp eax, edi
je 0x48f32e
test byte [ebp - 1], 0x80
je 0x48f44b
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x48f3a3
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x48f3a0
or dword [ebp + 0x10], edi
jmp 0x48f3a3
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x48f3f0
cmp eax, 0x10000
je 0x48f3dc
cmp eax, 0x14000
je 0x48f3dc
cmp eax, 0x20000
je 0x48f3ea
cmp eax, 0x24000
je 0x48f3ea
cmp eax, 0x40000
je 0x48f3d6
cmp eax, 0x44000
jne 0x48f3f3
mov byte [ebp - 2], 1
jmp 0x48f3f3
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x48f3f3
mov byte [ebp - 2], 2
jmp 0x48f3f3
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x48f44b
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x48f44b
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x48f5a5
cmp eax, 0x80000000
je 0x48f56c
cmp eax, ecx
jne 0x48f44b
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48f44b
cmp eax, 2
jbe 0x48f64d
cmp eax, 4
jbe 0x48f53e
cmp eax, 5
je 0x48f64d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
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 + 0x4db700]
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 0x48f4bd
test byte [ebp + 0x10], 8
je 0x48f4bd
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
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 0x48f6cc
test byte [ebp + 0x10], 1
je 0x48f6cc
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 0x48f6b5
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.00480ae9
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.0047d713
pop ecx
jmp 0x48f234
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048c616
add esp, 0x10
or eax, edx
je 0x48f64d
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048c616
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x48f32e
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.00484f32
add esp, 0xc
cmp eax, 0xffffffff
je 0x48f32e
cmp eax, 2
je 0x48f5f1
cmp eax, 3
jne 0x48f63f
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x48f5f1
mov byte [ebp - 2], 1
jmp 0x48f44b
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x48f44b
cmp eax, 2
jbe 0x48f64d
cmp eax, 4
ja 0x48f442
push 2
push ebx
push ebx
push dword [esi]
call fcn.0048c616
add esp, 0x10
or eax, edx
je 0x48f64d
push ebx
push ebx
push ebx
push dword [esi]
call fcn.0048c616
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x48f44b
jmp 0x48f32e
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x48f619
push dword [esi]
call fcn.004832af
pop ecx
call fcn.00480ac3
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x48f6ce
cmp eax, 0xfeff
jne 0x48f63f
push ebx
push 2
push dword [esi]
call fcn.00483d29
add esp, 0xc
cmp eax, 0xffffffff
je 0x48f32e
mov byte [ebp - 2], 2
jmp 0x48f44b
push ebx
push ebx
push dword [esi]
call fcn.00483d29
add esp, 0xc
jmp 0x48f5e3
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x48f66d
dec eax
jne 0x48f44b
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x48f67b
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.0048c44a
add esp, 0xc
cmp eax, 0xffffffff
je 0x48f6a1
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x48f67b
jmp 0x48f44b
push dword [esi]
call fcn.004832af
pop ecx
call fcn.00480ac3
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x48f6ce
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x4db700]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret