Function at 0x100900fa
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 0x10090129
mov dword [ebp - 0x30], ebx
mov byte [ebp - 1], 0x10
jmp 0x10090133
mov dword [ebp - 0x30], 1
mov byte [ebp - 1], bl
lea eax, [ebp - 0x24]
push eax
call fcn.10095950
test eax, eax
pop ecx
je 0x1009014e
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10072460
add esp, 0x14
lea eax, [ebp - 0x28]
push eax
call fcn.1007aae4
test eax, eax
pop ecx
je 0x10090169
push ebx
push ebx
push ebx
push ebx
push ebx
call fcn.10072460
add esp, 0x14
mov ecx, dword [ebp + 0x10]
mov eax, 0x8000
test eax, ecx
jne 0x10090186
test ecx, 0x74000
jne 0x10090182
cmp dword [ebp - 0x24], eax
je 0x10090186
or byte [ebp - 1], 0x80
mov eax, ecx
and eax, 3
sub eax, ebx
mov edx, 0xc0000000
mov edi, SysReAllocString
je 0x100901e0
dec eax
je 0x100901ca
dec eax
je 0x100901c5
call fcn.10078f4a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10078f37
push 0x16
pop esi
push ebx
push ebx
push ebx
push ebx
push ebx
mov dword [eax], esi
call fcn.1007255c
add esp, 0x14
jmp 0x10090793
mov dword [ebp - 8], edx
jmp 0x100901e3
test cl, 8
je 0x100901d7
test ecx, 0x70000
jne 0x100901c5
mov dword [ebp - 8], 0x40000000
jmp 0x100901e3
mov dword [ebp - 8], edi
mov eax, dword [ebp + 0x14]
push 0x10
pop ecx
sub eax, ecx
je 0x10090224
sub eax, ecx
je 0x1009021b
sub eax, ecx
je 0x10090212
sub eax, ecx
je 0x10090209
sub eax, 0x40
jne 0x1009019f
cmp dword [ebp - 8], edi
sete al
mov dword [ebp - 0x10], eax
jmp 0x10090227
mov dword [ebp - 0x10], 3
jmp 0x10090227
mov dword [ebp - 0x10], 2
jmp 0x10090227
mov dword [ebp - 0x10], 1
jmp 0x10090227
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 0x1009027a
je 0x10090271
cmp eax, ebx
je 0x10090271
cmp eax, edi
je 0x10090268
cmp eax, 0x200
je 0x100902ed
cmp eax, 0x300
jne 0x1009019f
mov dword [ebp - 0x14], 2
jmp 0x10090297
mov dword [ebp - 0x14], 4
jmp 0x10090297
mov dword [ebp - 0x14], 3
jmp 0x10090297
cmp eax, 0x500
je 0x10090290
cmp eax, 0x600
je 0x100902ed
cmp eax, edx
jne 0x1009019f
mov dword [ebp - 0x14], 1
mov eax, dword [ebp + 0x10]
test edi, eax
mov dword [ebp - 0xc], 0x80
je 0x100902bb
mov ecx, dword [0x101236b0]
not ecx
and ecx, dword [ebp + 0x18]
test cl, cl
js 0x100902bb
mov dword [ebp - 0xc], 1
test al, 0x40
je 0x100902d7
or dword [ebp - 0xc], 0x4000000
or dword [ebp - 8], 0x10000
cmp dword [ebp - 0x28], 2
jne 0x100902d7
or dword [ebp - 0x10], 4
test ax, 0x1000
je 0x100902e0
or dword [ebp - 0xc], edi
test al, 0x20
je 0x100902f6
or dword [ebp - 0xc], 0x8000000
jmp 0x10090301
mov dword [ebp - 0x14], 5
jmp 0x10090297
test al, 0x10
je 0x10090301
or dword [ebp - 0xc], 0x10000000
call fcn.1008fd19
cmp eax, 0xffffffff
mov dword [esi], eax
jne 0x10090327
call fcn.10078f4a
mov dword [eax], ebx
or dword [esi], 0xffffffff
call fcn.10078f37
mov dword [eax], 0x18
jmp 0x100903b5
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 0x100903c1
mov ecx, dword [ebp - 8]
mov eax, 0xc0000000
and ecx, eax
cmp ecx, eax
jne 0x1009038d
test byte [ebp + 0x10], 1
je 0x1009038d
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 0x100903c1
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10124500]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10078f5d
pop ecx
call fcn.10078f37
mov eax, dword [eax]
jmp 0x1009084f
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_GetFileType]
cmp eax, ebx
jne 0x10090412
mov esi, dword [esi]
mov eax, esi
and esi, 0x1f
imul esi, esi, 0x38
sar eax, 5
mov eax, dword [eax*4 + 0x10124500]
lea eax, [eax + esi + 4]
and byte [eax], 0xfe
call dword [sym.imp.KERNEL32.dll_GetLastError]
mov esi, eax
push esi
call fcn.10078f5d
pop ecx
push dword [ebp - 0x1c]
call dword [sym.imp.KERNEL32.dll_CloseHandle]
cmp esi, ebx
jne 0x100903b5
call fcn.10078f37
mov dword [eax], 0xd
jmp 0x100903b5
cmp eax, 2
jne 0x1009041d
or byte [ebp - 1], 0x40
jmp 0x10090426
cmp eax, 3
jne 0x10090426
or byte [ebp - 1], 8
push dword [ebp - 0x1c]
push dword [esi]
call fcn.1008fae8
mov eax, dword [esi]
mov edx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar edx, 5
mov edx, dword [edx*4 + 0x10124500]
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 + 0x10124500]
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 0x100904fc
test cl, 0x80
je 0x100905cc
test byte [ebp + 0x10], 2
je 0x100904fc
push 2
or edi, 0xffffffff
push edi
push dword [esi]
call fcn.100892f8
add esp, 0xc
cmp eax, edi
mov dword [ebp - 0x18], eax
jne 0x100904ba
call fcn.10078f4a
cmp dword [eax], 0x83
je 0x100904fc
push dword [esi]
call fcn.1007edb4
jmp 0x100903b4
push 1
lea eax, [ebp - 0x2c]
push eax
push dword [esi]
mov dword [ebp - 0x2c], ebx
call fcn.100889ae
add esp, 0xc
test eax, eax
jne 0x100904ec
cmp word [ebp - 0x2c], 0x1a
jne 0x100904ec
mov eax, dword [ebp - 0x18]
cdq
push edx
push eax
push dword [esi]
call fcn.100956e0
add esp, 0xc
cmp eax, edi
je 0x100904ae
push ebx
push ebx
push dword [esi]
call fcn.100892f8
add esp, 0xc
cmp eax, edi
je 0x100904ae
test byte [ebp - 1], 0x80
je 0x100905cc
mov ecx, 0x74000
test dword [ebp + 0x10], ecx
mov edi, 0x4000
jne 0x10090524
mov eax, dword [ebp - 0x24]
and eax, ecx
jne 0x10090521
or dword [ebp + 0x10], edi
jmp 0x10090524
or dword [ebp + 0x10], eax
mov eax, dword [ebp + 0x10]
and eax, ecx
cmp eax, edi
je 0x10090571
cmp eax, 0x10000
je 0x1009055d
cmp eax, 0x14000
je 0x1009055d
cmp eax, 0x20000
je 0x1009056b
cmp eax, 0x24000
je 0x1009056b
cmp eax, 0x40000
je 0x10090557
cmp eax, 0x44000
jne 0x10090574
mov byte [ebp - 2], 1
jmp 0x10090574
mov ecx, dword [ebp + 0x10]
mov eax, 0x301
and ecx, eax
cmp ecx, eax
jne 0x10090574
mov byte [ebp - 2], 2
jmp 0x10090574
mov byte [ebp - 2], bl
test dword [ebp + 0x10], 0x70000
je 0x100905cc
test byte [ebp - 1], 0x40
mov dword [ebp - 0x18], ebx
jne 0x100905cc
mov eax, dword [ebp - 8]
mov ecx, 0xc0000000
and eax, ecx
cmp eax, 0x40000000
je 0x10090726
cmp eax, 0x80000000
je 0x100906ed
cmp eax, ecx
jne 0x100905cc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x100905cc
cmp eax, 2
jbe 0x100907ce
cmp eax, 4
jbe 0x100906bf
cmp eax, 5
je 0x100907ce
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10124500]
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 + 0x10124500]
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 0x1009063e
test byte [ebp + 0x10], 8
je 0x1009063e
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10124500]
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 0x1009084d
test byte [ebp + 0x10], 1
je 0x1009084d
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 0x10090836
call dword [sym.imp.KERNEL32.dll_GetLastError]
push eax
call fcn.10078f5d
mov eax, dword [esi]
mov ecx, eax
and eax, 0x1f
imul eax, eax, 0x38
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10124500]
lea eax, [ecx + eax + 4]
and byte [eax], 0xfe
push dword [esi]
call fcn.1008fb65
pop ecx
jmp 0x100903b4
push 2
push ebx
push ebx
push dword [esi]
call fcn.1008f3a0
add esp, 0x10
or eax, edx
je 0x100907ce
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1008f3a0
and eax, edx
add esp, 0x10
cmp eax, 0xffffffff
je 0x100904ae
push 3
lea eax, [ebp - 0x18]
push eax
push dword [esi]
call fcn.100889ae
add esp, 0xc
cmp eax, 0xffffffff
je 0x100904ae
cmp eax, 2
je 0x10090772
cmp eax, 3
jne 0x100907c0
cmp dword [ebp - 0x18], 0xbfbbef
jne 0x10090772
mov byte [ebp - 2], 1
jmp 0x100905cc
mov eax, dword [ebp - 0x14]
cmp eax, ebx
jbe 0x100905cc
cmp eax, 2
jbe 0x100907ce
cmp eax, 4
ja 0x100905c3
push 2
push ebx
push ebx
push dword [esi]
call fcn.1008f3a0
add esp, 0x10
or eax, edx
je 0x100907ce
push ebx
push ebx
push ebx
push dword [esi]
call fcn.1008f3a0
add esp, 0x10
and eax, edx
cmp eax, 0xffffffff
jne 0x100905cc
jmp 0x100904ae
mov eax, dword [ebp - 0x18]
and eax, 0xffff
cmp eax, 0xfffe
jne 0x1009079a
push dword [esi]
call fcn.1007edb4
pop ecx
call fcn.10078f37
push 0x16
pop esi
mov dword [eax], esi
mov eax, esi
jmp 0x1009084f
cmp eax, 0xfeff
jne 0x100907c0
push ebx
push 2
push dword [esi]
call fcn.100892f8
add esp, 0xc
cmp eax, 0xffffffff
je 0x100904ae
mov byte [ebp - 2], 2
jmp 0x100905cc
push ebx
push ebx
push dword [esi]
call fcn.100892f8
add esp, 0xc
jmp 0x10090764
movsx eax, byte [ebp - 2]
xor edi, edi
dec eax
je 0x100907ee
dec eax
jne 0x100905cc
mov dword [ebp - 0x18], 0xfeff
mov dword [ebp - 0x14], 2
jmp 0x100907fc
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.1007f8af
add esp, 0xc
cmp eax, 0xffffffff
je 0x10090822
add edi, eax
cmp dword [ebp - 0x14], edi
jg 0x100907fc
jmp 0x100905cc
push dword [esi]
call fcn.1007edb4
pop ecx
call fcn.10078f37
mov eax, dword [eax]
mov dword [ebp - 0x20], eax
jmp 0x1009084f
mov esi, dword [esi]
mov ecx, esi
sar ecx, 5
mov ecx, dword [ecx*4 + 0x10124500]
and esi, 0x1f
imul esi, esi, 0x38
mov dword [esi + ecx], eax
mov eax, ebx
pop edi
pop esi
pop ebx
leave
ret