Function at 0x551010
Capabilities:
Encode data using xor
Hash data with crc32

Disassembly:
push ebp
mov ebp, esp
push ebx
push edi
push esi
and esp, 0xfffffff8
sub esp, 0x100
mov edx, dword [ebp + 0x18]
mov edi, dword [ebp + 0x14]
mov eax, dword [ebp + 0x10]
mov ecx, dword [0x64a040]
xor ecx, ebp
mov dword [esp + 0xf8], ecx
cmp edi, 1
jne 0x551045
cmp edx, 2
je 0x55184a
cmp edi, eax
jl 0x55178f
mov cl, 1
mov dword [esp + 4], ecx
mov ecx, edi
mov edi, eax
test edi, edi
jle 0x55166a
cmp ecx, 0x7fffffff
je 0x551785
mov ebx, ecx
mov eax, dword [ebp + 0xc]
mov ecx, dword [ebp + 8]
mov dword [esp + 8], ecx
cmp edx, 0x3eb
jae 0x5516f1
cmp ebx, edi
je 0x55179e
cmp edx, 3
jb 0x5517ae
mov eax, ebx
sub eax, edi
add eax, 2
cmp edx, eax
ja 0x5517ae
cmp byte [esp + 4], 0
je 0x5517ae
mov esi, dword [ebp + 0x20]
mov eax, esi
shr eax, 0xe
mov ecx, esi
shr ecx, 0x13
mov ecx, dword [ecx*4 + 0x6527ec]
bt ecx, eax
mov eax, dword [ebp + 8]
mov dword [esp + 0x2c], eax
mov ecx, dword [ebp + 0xc]
mov dword [esp + 0x30], ecx
mov dword [esp + 0x34], 1
mov dword [esp + 0x38], edi
mov dword [esp + 0x3c], ebx
mov dword [esp + 0x40], edx
mov eax, dword [ebp + 0x1c]
mov dword [esp + 0x44], eax
mov dword [esp + 0x28], 0x6282d8
mov dword [esp + 0x48], 0
jb 0x551859
mov eax, esi
shr eax, 0x15
mov byte [eax + 0x65a7ec], 1
mov dword [esp + 0x48], esi
push ecx
push dword [esp + 0xc]
call fcn.00542500
add esp, 8
mov esi, eax
test eax, eax
je 0x551265
mov ebx, dword [esp + 0x34]
mov eax, dword [esi]
mov edi, dword [eax + 0xc]
xor eax, eax
cmp edi, fcn.0057b630
je 0x55114a
mov ecx, edi
call dword [0x6445dc]
mov ecx, esi
call edi
mov dword [esp + 4], esi
cmp ebx, eax
jne 0x551803
mov ebx, dword [esp + 0x40]
test ebx, ebx
je 0x5511c7
mov esi, dword [esp + 0x38]
mov eax, dword [esp + 0x3c]
mov dword [esp + 8], eax
mov ecx, dword [esp + 4]
mov eax, dword [ecx]
mov edi, dword [eax + 0x10]
cmp edi, 0x57b640
jne 0x551207
mov eax, dword [ecx + 0xc]
mov ecx, dword [eax + 0xc]
mov eax, dword [ecx]
mov ecx, dword [ecx + 4]
sub ecx, eax
mov edx, ecx
sar edx, 2
lea edi, [edx - 1]
cmp edi, ebx
mov ebx, dword [esp + 8]
jne 0x551803
cmp edi, 2
jb 0x55182f
cmp edx, 1
jbe 0x55176f
cmp dword [eax + 4], esi
jne 0x551803
mov eax, dword [eax + ecx - 8]
cmp eax, ebx
jne 0x551803
mov dword [esp + 0x28], 0x6282d8
mov eax, dword [esp + 0x48]
mov ecx, eax
shr ecx, 0xe
mov edx, eax
shr edx, 0x13
mov edx, dword [edx*4 + 0x6527ec]
bt edx, ecx
jb 0x55183c
mov ecx, dword [esp + 0xf8]
xor ecx, ebp
call fcn.005810d5
mov eax, dword [esp + 4]
lea esp, [ebp - 0xc]
pop esi
pop edi
pop ebx
pop ebp
ret
mov ecx, edi
call dword [0x6445dc]
mov ecx, dword [esp + 4]
push ebx
push dword [esp + 0xc]
push esi
call edi
test al, al
jne 0x5511c7
jmp 0x551803
mov byte [eax + 2], 0
mov word [eax], 0
jmp 0x55124e
cmp ecx, 0x3f
je 0x55124e
add eax, esi
cmp ecx, 0x3c
je 0x551224
mov edx, 0x3f
sub edx, ecx
push edx
push 0
push eax
call fcn.00582870
add esp, 0xc
lea eax, [esp + 0x50]
push 1
push esi
push eax
call fcn.004f3300
add esp, 0xc
xor eax, eax
jmp 0x5512f3
mov edi, dword [esp + 0x2c]
mov ebx, dword [esp + 0x30]
xorps xmm0, xmm0
lea esi, [esp + 0x68]
movups xmmword [esi + 0x34], xmm0
movups xmmword [esi + 0x28], xmm0
movups xmmword [esi + 0x18], xmm0
movups xmmword [esi + 8], xmm0
movups xmmword [esi - 8], xmm0
movapd xmm0, xmmword [0x6354d0]
movupd xmmword [esi - 0x18], xmm0
test ebx, ebx
je 0x5512ca
lea eax, [ebx*8]
mov ecx, ebx
shr ecx, 0x1d
mov dword [esp + 0x64], ecx
mov dword [esp + 0x60], eax
cmp ebx, 0x40
jae 0x55160c
mov eax, ebx
mov dword [esp + 0xa8], eax
push eax
push edi
push esi
call fcn.005822f0
add esp, 0xc
mov ecx, dword [esp + 0xa8]
mov eax, dword [esp + 0x60]
mov dword [esp + 4], eax
mov ebx, dword [esp + 0x64]
mov byte [esp + ecx + 0x68], 0x80
lea eax, [ecx + 1]
cmp eax, 0x39
jae 0x55122f
cmp eax, 0x38
je 0x551308
mov ecx, 0x38
sub ecx, eax
add eax, esi
push ecx
push 0
push eax
call fcn.00582870
add esp, 0xc
lea edi, [esp + 0x50]
mov eax, dword [esp + 4]
mov dword [edi + 0x50], eax
mov dword [edi + 0x54], ebx
push 1
push esi
push edi
call fcn.004f3300
add esp, 0xc
mov ebx, dword [edi]
mov edi, dword [0x65071c]
cmp edi, 1
jbe 0x551740
push edi
call dword [sym.imp.KERNEL32.dll_TryAcquireSRWLockExclusive]
test al, al
je 0x5516e5
mov eax, dword [0x650724]
test eax, eax
je 0x551356
mov esi, dword [eax + 0x50]
test esi, esi
jne 0x5517d8
push edi
call dword [sym.imp.KERNEL32.dll_ReleaseSRWLockExclusive]
mov eax, dword [esp + 0x28]
mov esi, dword [eax]
cmp esi, 0x5735c0
je 0x55143b
mov ecx, esi
call dword [0x6445dc]
lea ecx, [esp + 0x28]
call esi
push eax
call fcn.0050d310
add esp, 4
mov esi, eax
cmp dword [esp + 0x40], 0
je 0x55169d
mov dword [esp + 0x50], 0
mov edi, dword [0x65b068]
test edi, edi
je 0x551635
lea ebx, [esp + 0x4c]
mov ecx, edi
lea eax, [esp + 0x50]
push eax
push dword [esp + 0x48]
push esi
push dword [esp + 0x48]
push dword [esp + 0x48]
push dword [esp + 0x44]
push dword [esp + 0x44]
push dword [esp + 0x50]
push ebx
call fcn.0050e2a0
mov ebx, dword [ebx]
test ebx, ebx
je 0x551635
mov eax, dword [esp + 0x28]
mov esi, dword [eax + 8]
cmp esi, 0x502040
je 0x551403
cmp esi, fcn.00402610
je 0x55142f
mov ecx, esi
call dword [0x6445dc]
lea ecx, [esp + 0x28]
push ebx
call esi
push ebx
call fcn.0050d8b0
add esp, 4
mov esi, eax
mov eax, dword [esp + 0x50]
test eax, eax
je 0x55112b
xor edx, edx
cmp esi, ebx
sete dl
mov ecx, edi
push edx
push eax
call fcn.00567ef0
jmp 0x55112b
lea ecx, [esp + 0x28]
push ebx
call fcn.00402610
jmp 0x551403
push 0x14
call fcn.0057dc30
add esp, 4
mov esi, eax
mov eax, dword [esp + 0x40]
inc eax
mov ecx, esi
push eax
call fcn.0050e220
xorps xmm0, xmm0
cvtsi2sd xmm0, dword [esp + 0x3c]
sub esp, 8
movsd qword [esp], xmm0
call fcn.005aaa00
add esp, 8
fstp qword [esp + 0x20]
mov eax, dword [esi]
mov ecx, dword [esi + 4]
sub ecx, eax
cmp ecx, 4
jbe 0x551776
movsd xmm0, qword [esp + 0x20]
movsd qword [esp + 0x10], xmm0
mov ebx, dword [esp + 0x38]
mov dword [eax + 4], ebx
mov ecx, dword [esi]
mov eax, dword [esi + 4]
mov edi, eax
sub edi, ecx
sar edi, 2
lea edx, [edi - 1]
cmp edx, 3
mov dword [esp + 8], esi
jb 0x551568
add edi, 0xfffffffd
mov esi, 2
xorps xmm0, xmm0
cvtsi2sd xmm0, ebx
sub esp, 8
movsd qword [esp], xmm0
call fcn.005aaa00
add esp, 8
fstp qword [esp + 0x50]
lea eax, [esp + 0x50]
push eax
call fcn.00505000
add esp, 4
mov eax, dword [esp + 8]
mov ecx, dword [eax]
mov eax, dword [eax + 4]
mov dword [esp + 4], ecx
sub eax, ecx
sar eax, 2
cmp eax, esi
jbe 0x551776
movsd xmm0, qword [esp + 0x50]
movsd xmm1, qword [esp + 0x10]
subsd xmm1, xmm0
movd xmm2, edi
por xmm2, xmmword [0x62d130]
subsd xmm2, qword [0x62d140]
divsd xmm1, xmm2
addsd xmm1, xmm0
sub esp, 8
movsd qword [esp], xmm1
call fcn.005aaa50
fstp qword [esp]
call fcn.005aa9ad
add esp, 8
fstp qword [esp + 0x18]
cvttsd2si eax, qword [esp + 0x18]
cmp ebx, eax
lea ebx, [ebx + 1]
cmovl ebx, eax
mov eax, dword [esp + 4]
mov dword [eax + esi*4], ebx
inc esi
dec edi
jne 0x5514b8
mov esi, dword [esp + 8]
mov ecx, dword [esi]
mov eax, dword [esi + 4]
cmp eax, ecx
je 0x551776
mov dword [eax - 4], 0x7fffffff
mov eax, esi
mov esi, dword [esi]
mov eax, dword [eax + 4]
mov edi, eax
sub edi, esi
je 0x551873
js 0x55187a
mov ecx, edi
shr ecx, 2
mov edx, esi
and edi, 3
jne 0x55167c
sub esi, eax
cmp esi, 0xfffffffc
ja 0x551600
mov esi, 0xff
movzx edi, byte [edx]
mov ebx, ecx
and ebx, esi
xor ebx, edi
shr ecx, 8
xor ecx, dword [ebx*4 + 0x636878]
movzx edi, byte [edx + 1]
mov ebx, ecx
and ebx, esi
xor ebx, edi
shr ecx, 8
xor ecx, dword [ebx*4 + 0x636878]
movzx edi, byte [edx + 2]
mov ebx, ecx
and ebx, esi
xor ebx, edi
shr ecx, 8
xor ecx, dword [ebx*4 + 0x636878]
movzx edi, byte [edx + 3]
mov ebx, ecx
and ebx, esi
xor ebx, edi
shr ecx, 8
xor ecx, dword [ebx*4 + 0x636878]
add edx, 4
cmp edx, eax
jne 0x5515aa
mov eax, dword [esp + 8]
mov dword [eax + 0xc], ecx
jmp 0x55137d
mov eax, ebx
shr eax, 6
lea ecx, [esp + 0x50]
push eax
push edi
push ecx
call fcn.004f3300
add esp, 0xc
mov eax, ebx
and eax, 0x3f
je 0x5512ca
and ebx, 0xffffffc0
add edi, ebx
jmp 0x5512b8
lea eax, [esp + 0x28]
and byte [eax + 0x1c], 0xbf
mov eax, dword [eax]
mov ebx, dword [eax + 4]
mov ecx, ebx
call dword [0x6445dc]
lea eax, [esp + 0x4c]
lea ecx, [esp + 0x28]
push esi
mov esi, eax
push eax
call ebx
mov ebx, dword [esi]
lea eax, [esp + 0x28]
mov eax, dword [eax + 0x1c]
lock or dword [ebx + 8], eax
jmp 0x5513dd
xor edi, edi
inc edi
mov ebx, edi
test ecx, ecx
jg 0x55105f
jmp 0x55106d
movzx ebx, byte [edx]
mov dword [esp + 4], ebx
movzx ebx, cl
xor ebx, dword [esp + 4]
shr ecx, 8
xor ecx, dword [ebx*4 + 0x636878]
inc edx
dec edi
jne 0x55167c
jmp 0x55159e
mov eax, dword [esi + 4]
sub eax, dword [esi]
sar eax, 2
lea ecx, [eax - 1]
mov dword [esp + 0x40], ecx
mov ecx, dword [esi]
mov edx, dword [esi + 4]
sub edx, ecx
cmp edx, 4
jbe 0x55176f
mov ecx, dword [ecx + 4]
mov dword [esp + 0x38], ecx
lea edx, [eax - 2]
mov ecx, dword [esi]
mov edi, dword [esi + 4]
sub edi, ecx
sar edi, 2
cmp edi, edx
jbe 0x55176f
mov eax, dword [ecx + eax*4 - 8]
mov dword [esp + 0x3c], eax
jmp 0x551393
push edi
call dword [sym.imp.KERNEL32.dll_AcquireSRWLockExclusive]
jmp 0x551342
mov dword [esp + 0xc], edx
mov dword [esp + 0x10], ebx
push eax
mov esi, dword [ebp + 8]
push esi
mov ebx, eax
call fcn.00540c00
add esp, 8
push eax
push str.Histogram.TooManyBuckets.1000
call fcn.00510d30
add esp, 8
push 0
push 0x10
push str.Blink.UseCounter
push ebx
mov ebx, esi
push esi
call fcn.0054b930
add esp, 0x14
test al, al
je 0x551888
mov edx, dword [esp + 0xc]
mov ebx, dword [esp + 0x10]
jmp 0x551083
push 0x65071c
call fcn.0040bbb0
add esp, 4
test al, al
je 0x55187d
mov dword [0x650720], 0
mov edi, 0x650720
mov dword [0x65071c], edi
jmp 0x551333
push str....._third_partylibc_srcinclude_vector:1418:_assertion___n___size___failed:_vector___index_out_of_bounds_n
jmp 0x55177b
push str....._third_partylibc_srcinclude_vector:1411:_assertion___n___size___failed:_vector___index_out_of_bounds_n
push 0x62a183
call fcn.005aacb0
mov ebx, 0x7ffffffe
jmp 0x55106d
mov dword [esp + 4], 0
mov ecx, eax
jmp 0x551057
lea ebx, [edi + 1]
mov dword [esp + 4], 0
jmp 0x55108b
push dword [ebp + 0xc]
push dword [ebp + 8]
call fcn.00540c00
add esp, 8
push eax
push str.Histogram.BadConstructionArguments
call fcn.00510d30
add esp, 8
call fcn.005e9340
mov dword [esp + 4], eax
jmp 0x5511ed
bswap ebx
mov eax, dword [esi]
mov ecx, dword [eax + 4]
mov dword [esp + 4], ecx
call dword [0x6445dc]
mov ecx, esi
push ebx
call dword [esp + 8]
mov ebx, eax
push edi
call dword [sym.imp.KERNEL32.dll_ReleaseSRWLockExclusive]
test bl, bl
jne 0x55135d
jmp 0x551821
push dword [esp + 0x30]
push dword [esp + 0x30]
call fcn.00540c00
add esp, 8
push eax
push str.Histogram.MismatchedConstructionArguments
call fcn.00510d30
add esp, 8
call fcn.005e9340
mov dword [esp + 4], eax
jmp 0x5511c7
cmp esi, 0xffffffff
jne 0x551803
xor eax, eax
dec eax
jmp 0x5511bf
push eax
call fcn.00506f30
add esp, 4
jmp 0x5511ed
mov edi, 2
mov edx, 3
jmp 0x551045
push esi
call fcn.00506e00
add esp, 4
mov eax, dword [esp + 0x2c]
mov dword [esp + 8], eax
mov ecx, dword [esp + 0x30]
jmp 0x551110
xor ecx, ecx
jmp 0x551600
int3
mov edi, dword [0x65071c]
jmp 0x551333
push 0
push 0x14
push str.PageLoad.Clients.Ads
push dword [ebp + 0xc]
push ebx
call fcn.0054b930
add esp, 0x14
test al, al
jne 0x551733
push 2
call fcn.00557ce0
add esp, 4
test al, al
je 0x55190d
lea esi, [esp + 0x50]
mov ecx, esi
push 2
push 0x1bf
push str.histogram.cc
call fcn.0040ca50
lea eax, [esp + 0x58]
push 0xb
push str.Histogram:
push eax
call fcn.00545ec0
add esp, 0xc
push dword [ebp + 0xc]
push ebx
push eax
call fcn.00545ec0
add esp, 0xc
push 0x1c
push str._has_too_many_bucket_count:
push eax
call fcn.00545ec0
add esp, 0xc
mov ecx, eax
push dword [esp + 0xc]
call fcn.00464a90
mov ecx, esi
call fcn.0040b060
mov dword [esp + 4], 0
mov ebx, dword [esp + 0x10]
mov edx, 0x66
jmp 0x551083