Function at 0x1800cdb00
Capabilities:
Encode data using xor

Disassembly:
mov r11, rsp
push rbx
push rdi
sub rsp, 0x48
mov rbx, rcx
mov rdi, rdx
mov rcx, qword [rcx + 0x248]
test rcx, rcx
je 0x1800ce6c2
mov eax, dword [rbx + 0x168]
and eax, 0x4040
cmp eax, 0x4000
je 0x1800ce6d2
mov qword [r11 + 8], rbp
mov qword [r11 + 0x10], rsi
mov qword [r11 + 0x18], r12
mov r12d, 7
mov qword [r11 - 0x18], r13
mov r13d, 4
mov qword [r11 - 0x20], r14
mov qword [r11 - 0x28], r15
lea r15, [rbx + 0x16c]
mov eax, dword [r15]
mov r14, r15
bt eax, 0xc
jae 0x1800cdd4e
movzx r8d, byte [rdx + 0x10]
movzx edx, word [rbx + 0x280]
cmp r8b, 3
jne 0x1800cdbac
mov rax, qword [rbx + 0x308]
lea r8, [rcx + 1]
mov r9, qword [rbx + 0x270]
mov rcx, rbx
mov dword [rsp + 0x28], edx
mov rdx, rdi
mov qword [r11 - 0x38], rax
call fcn.1800ccd20
jmp 0x1800cdd4e
test dx, dx
je 0x1800cdbd6
bt eax, 0x19
jae 0x1800cdbcf
lea rdx, [rcx + 1]
mov rcx, rdi
lea r8, [rbx + 0x310]
call fcn.1800cc830
jmp 0x1800cdd4e
lea r14, [rbx + 0x16c]
mov esi, dword [rdi]
lea rdx, [rcx + 1]
test r8b, r8b
jne 0x1800cdd4e
movzx eax, byte [rdi + 0x11]
cmp al, 8
jae 0x1800cdd4e
mov ecx, eax
sub ecx, 1
je 0x1800cdcef
sub ecx, 1
je 0x1800cdc81
cmp ecx, 2
jne 0x1800cdd3b
lea eax, [rsi - 1]
mov r9d, r13d
mov r8d, eax
lea r10, [rsi - 1]
and eax, 1
shr r8, 1
shl eax, 2
add r8, rdx
sub r9d, eax
add r10, rdx
mov r11d, esi
test esi, esi
je 0x1800cdd3b
nop dword [rax + rax]
movzx edx, byte [r8]
lea r10, [r10 - 1]
movzx ecx, r9b
shr dl, cl
movzx eax, dl
shl dl, 4
and al, 0xf
xor al, dl
mov byte [r10 + 1], al
cmp r9d, r13d
lea rax, [r8 - 1]
cmovne rax, r8
mov r8, rax
xor eax, eax
cmp r9d, r13d
cmovne eax, r13d
mov r9d, eax
sub r11, 1
jne 0x1800cdc40
jmp 0x1800cdd3b
lea eax, [rsi - 1]
mov r8d, 6
mov r9d, eax
lea r10, [rsi - 1]
and eax, 3
shr r9, 2
add eax, eax
add r9, rdx
sub r8d, eax
add r10, rdx
mov r11, rsi
test esi, esi
je 0x1800cdd3b
nop
movzx edx, byte [r9]
movzx ecx, r8b
shr dl, cl
and dl, 3
movzx eax, dl
shl al, 2
or al, dl
shl al, 2
or al, dl
shl al, 2
or al, dl
mov byte [r10], al
cmp r8d, 6
jne 0x1800cdce0
xor r8d, r8d
dec r9
jmp 0x1800cdce4
add r8d, 2
dec r10
sub r11, 1
jne 0x1800cdcb0
jmp 0x1800cdd3b
lea eax, [rsi - 1]
mov r10, rsi
mov r8d, eax
lea r9, [rsi - 1]
add r9, rdx
shr r8, 3
add r8, rdx
and eax, r12d
mov edx, r12d
sub edx, eax
test esi, esi
je 0x1800cdd3b
movzx eax, byte [r8]
movzx ecx, dl
shr al, cl
and al, 1
neg al
sbb al, al
mov byte [r9], al
cmp edx, r12d
jne 0x1800cdd30
xor edx, edx
dec r8
jmp 0x1800cdd32
inc edx
dec r9
sub r10, 1
jne 0x1800cdd12
mov byte [rdi + 0x11], 8
lea r14, [rbx + 0x16c]
mov byte [rdi + 0x13], 8
mov qword [rdi + 8], rsi
mov eax, dword [r15]
mov rsi, r14
mov r15, qword [rsp + 0x30]
and eax, 0x40080
cmp eax, 0x40000
jne 0x1800cdd8e
movzx eax, byte [rdi + 0x10]
cmp al, 6
je 0x1800cdd79
cmp al, r13b
jne 0x1800cdd8e
lea rsi, [rbx + 0x16c]
mov rdx, qword [rbx + 0x248]
xor r8d, r8d
inc rdx
mov rcx, rdi
call fcn.1800d0380
test dword [r14], 0x600000
mov rbp, rsi
je 0x1800cddf1
mov r8, qword [rbx + 0x248]
mov rdx, rdi
inc r8
mov rcx, rbx
call fcn.1800ce710
test eax, eax
je 0x1800cddf1
mov eax, dword [r14]
and eax, 0x600000
mov byte [rbx + 0x3f0], 1
cmp eax, 0x400000
jne 0x1800cdddf
lea rdx, str.png_do_rgb_to_gray_found_nongray_pixel
mov rcx, rbx
call fcn.1800c7a90
lea rbp, [rbx + 0x16c]
mov eax, dword [rsi]
and eax, 0x600000
cmp eax, 0x200000
je 0x1800ce6e2
test dword [rsi], 0x4000
je 0x1800cde1a
test dword [rbx + 0x164], 0x800
mov rsi, rbp
jne 0x1800cde1a
mov rdx, qword [rbx + 0x248]
mov rcx, rdi
inc rdx
call fcn.1800cd4c0
test byte [rsi], 0x80
je 0x1800cde34
mov rdx, qword [rbx + 0x248]
mov r8, rbx
inc rdx
mov rcx, rdi
call fcn.1800cb600
mov ecx, dword [rsi]
mov r14, rsi
mov eax, ecx
and eax, 0x602000
cmp eax, 0x2000
jne 0x1800cde83
test cl, cl
jns 0x1800cde65
cmp word [rbx + 0x280], 0
jne 0x1800cde83
test byte [rbx + 0x287], r13b
jne 0x1800cde83
lea r14, [rbx + 0x16c]
cmp byte [rbx + 0x287], 3
je 0x1800cde83
mov rdx, qword [rbx + 0x248]
mov r8, rbx
inc rdx
mov rcx, rdi
call fcn.1800cd020
mov eax, dword [r14]
and eax, 0x40080
cmp eax, 0x40080
jne 0x1800cdeb2
movzx eax, byte [rdi + 0x10]
sub al, r13b
test al, 0xfd
jne 0x1800cdeb2
mov rdx, qword [rbx + 0x248]
xor r8d, r8d
inc rdx
mov rcx, rdi
call fcn.1800d0380
test dword [r14], 0x800000
mov esi, 3
je 0x1800cdfaf
movzx eax, byte [rdi + 0x10]
test r13b, al
je 0x1800cdfaf
movzx ecx, byte [rdi + 0x11]
mov rbp, qword [rbx + 0x248]
mov r8d, dword [rdi]
cmp cl, 8
jne 0x1800cdf35
mov r10, qword [rbx + 0x2d8]
test r10, r10
je 0x1800cdfa0
and al, 2
mov r9d, 2
mov edx, r9d
cmovne rdx, r13
add rdx, rbp
test r8d, r8d
je 0x1800cdfaf
test al, al
cmovne r9, r13
nop word [rax + rax]
movzx eax, byte [rdx]
movzx ecx, byte [rax + r10]
mov byte [rdx], cl
add rdx, r9
add r8d, 0xffffffff
jne 0x1800cdf20
jmp 0x1800cdfaf
cmp cl, 0x10
jne 0x1800cdfa0
mov r11, qword [rbx + 0x2e8]
test r11, r11
je 0x1800cdfa0
and al, 2
mov r9, rsi
cmovne r9, r12
add r9, rbp
test r8d, r8d
je 0x1800cdfaf
movzx ebp, byte [rbx + 0x2c0]
test al, al
mov r10, r13
mov ecx, 8
cmovne r10, rcx
nop dword [rax]
movzx eax, byte [r9 + 1]
mov rcx, rbp
shr rax, cl
movzx ecx, byte [r9]
mov rax, qword [r11 + rax*8]
movzx edx, word [rax + rcx*2]
movzx eax, dx
mov byte [r9 + 1], dl
shr ax, 8
mov byte [r9], al
add r9, r10
add r8d, 0xffffffff
jne 0x1800cdf70
jmp 0x1800cdfaf
lea rdx, str.png_do_encode_alpha:_unexpected_call
mov rcx, rbx
call fcn.1800c7a90
mov ecx, dword [rbx + 0x16c]
mov r9d, ecx
bt ecx, 0x1a
jae 0x1800ce029
cmp byte [rdi + 0x11], 0x10
jne 0x1800ce029
mov rdx, qword [rbx + 0x248]
mov r10, qword [rdi + 8]
inc rdx
add r10, rdx
mov r8, rdx
cmp rdx, r10
jae 0x1800ce00f
nop dword [rax]
movzx ecx, byte [rdx]
lea r8, [r8 + 1]
movzx eax, byte [rdx + 1]
add rdx, 2
sub eax, ecx
sub eax, 0xffffff80
imul eax, eax, 0xffff
sar eax, 0x18
add ecx, eax
mov byte [r8 - 1], cl
cmp rdx, r10
jb 0x1800cdfe0
mov r9d, dword [rbx + 0x16c]
movzx ecx, byte [rdi + 0x12]
movzx eax, cl
mov byte [rdi + 0x11], 8
shl al, 3
imul ecx, dword [rdi]
mov byte [rdi + 0x13], al
mov eax, ecx
mov qword [rdi + 8], rax
mov r10d, r9d
bt r9d, 0xa
jae 0x1800ce093
cmp byte [rdi + 0x11], 0x10
jne 0x1800ce093
mov rcx, qword [rbx + 0x248]
mov r8, qword [rdi + 8]
inc rcx
add r8, rcx
mov rdx, rcx
cmp rcx, r8
jae 0x1800ce079
nop dword [rax]
nop word [rax + rax]
movzx eax, byte [rcx]
add rcx, 2
mov byte [rdx], al
lea rdx, [rdx + 1]
cmp rcx, r8
jb 0x1800ce060
mov r10d, dword [rbx + 0x16c]
movzx ecx, byte [rdi + 0x12]
movzx eax, cl
mov byte [rdi + 0x11], 8
shl al, 3
imul ecx, dword [rdi]
mov byte [rdi + 0x13], al
mov eax, ecx
mov qword [rdi + 8], rax
test r10b, 0x40
je 0x1800ce0c4
mov rdx, qword [rbx + 0x248]
mov rcx, rdi
mov r9, qword [rbx + 0x3a0]
inc rdx
mov r8, qword [rbx + 0x398]
call fcn.1800cd680
cmp qword [rdi + 8], 0
je 0x1800ce6f2
mov r9d, dword [rbx + 0x16c]
mov ecx, r9d
bt r9d, 9
jae 0x1800ce135
cmp byte [rdi + 0x11], 8
jne 0x1800ce135
cmp byte [rdi + 0x10], sil
je 0x1800ce135
mov rcx, qword [rdi + 8]
lea r8, [rcx + 1]
add r8, qword [rbx + 0x248]
lea rdx, [rcx + r8]
mov ecx, r9d
cmp rdx, r8
jbe 0x1800ce11c
nop dword [rax]
movzx eax, byte [r8 - 1]
dec r8
mov byte [rdx - 1], al
add rdx, 0xfffffffffffffffe
mov byte [rdx], al
cmp rdx, r8
ja 0x1800ce100
mov ecx, dword [rbx + 0x16c]
mov rax, qword [rdi + 8]
add rax, rax
mov byte [rdi + 0x11], reloc.WS2_32.dll_recv
mov qword [rdi + 8], rax
movzx eax, byte [rdi + 0x12]
shl al, 4
mov byte [rdi + 0x13], al
bt ecx, 0xe
jae 0x1800ce159
test dword [rbx + 0x164], 0x800
je 0x1800ce159
mov rdx, qword [rbx + 0x248]
mov rcx, rdi
inc rdx
call fcn.1800cd4c0
test byte [rbx + 0x16c], 0x20
je 0x1800ce174
mov rdx, qword [rbx + 0x248]
mov rcx, rdi
inc rdx
call fcn.1800d0220
test dword [rbx + 0x16c], 0x80000
je 0x1800ce27e
mov rcx, qword [rbx + 0x248]
movzx eax, byte [rdi + 0x10]
inc rcx
mov r8d, dword [rdi]
cmp al, 6
jne 0x1800ce211
add rcx, qword [rdi + 8]
cmp byte [rdi + 0x11], 8
jne 0x1800ce1db
mov r9, rcx
test r8d, r8d
je 0x1800ce27e
mov edx, r8d
nop dword [rax]
nop word [rax + rax]
movzx eax, byte [rcx - 1]
sub rcx, r13
not al
mov byte [r9 - 1], al
mov r9, rcx
sub rdx, 1
jne 0x1800ce1c0
jmp 0x1800ce27e
mov rdx, rcx
test r8d, r8d
je 0x1800ce27e
mov r9, r8
nop word [rax + rax]
movzx eax, byte [rcx - 1]
not al
mov byte [rdx - 1], al
movzx eax, byte [rcx - 2]
sub rcx, 8
not al
mov byte [rdx - 2], al
mov rdx, rcx
sub r9, 1
jne 0x1800ce1f0
jmp 0x1800ce27e
cmp al, r13b
jne 0x1800ce27e
mov rax, qword [rdi + 8]
add rcx, rax
cmp byte [rdi + 0x11], 8
mov rdx, rcx
jne 0x1800ce24e
test r8d, r8d
je 0x1800ce27e
mov r9, r8
nop
movzx eax, byte [rcx - 1]
lea rcx, [rcx - 2]
lea rdx, [rdx - 2]
not al
mov byte [rdx + 1], al
movzx eax, byte [rcx]
mov byte [rdx], al
sub r9, 1
jne 0x1800ce230
jmp 0x1800ce27e
test r8d, r8d
je 0x1800ce27e
mov r9, r8
nop word [rax + rax]
movzx eax, byte [rcx - 1]
not al
mov byte [rdx - 1], al
movzx eax, byte [rcx - 2]
sub rcx, r13
not al
mov byte [rdx - 2], al
mov rdx, rcx
sub r9, 1
jne 0x1800ce260
test byte [rbx + 0x16c], 8
je 0x1800ce2a0
mov rdx, qword [rbx + 0x248]
lea r8, [rbx + 0x2fd]
inc rdx
mov rcx, rdi
call fcn.1800cec40
test byte [rbx + 0x16c], r13b
je 0x1800ce424
mov r9, qword [rbx + 0x248]
movzx eax, byte [rdi + 0x11]
inc r9
cmp al, 8
jae 0x1800ce424
mov r11d, dword [rdi]
mov ecx, eax
sub ecx, 1
je 0x1800ce3a6
sub ecx, 1
je 0x1800ce348
cmp ecx, 2
jne 0x1800ce409
lea eax, [r11 - 1]
mov r8d, 1
mov edx, eax
mov r10d, r11d
shr rdx, 1
and eax, 1
add rdx, r9
sub r8d, eax
dec r9
shl r8d, 2
add r9, r11
test r11d, r11d
je 0x1800ce409
nop dword [rax]
movzx eax, byte [rdx]
lea r9, [r9 - 1]
movzx ecx, r8b
shr al, cl
and al, 0xf
mov byte [r9 + 1], al
cmp r8d, r13d
lea rax, [rdx - 1]
cmovne rax, rdx
mov rdx, rax
xor eax, eax
cmp r8d, r13d
cmovne eax, r13d
mov r8d, eax
sub r10, 1
jne 0x1800ce310
jmp 0x1800ce409
lea eax, [r11 - 1]
mov r8, r11
mov edx, eax
lea r10, [r11 - 1]
and eax, esi
shr rdx, 2
sub esi, eax
add rdx, r9
add esi, esi
add r10, r9
test r11d, r11d
je 0x1800ce409
nop
movzx eax, byte [rdx]
lea r10, [r10 - 1]
movzx ecx, sil
shr al, cl
and al, 3
mov byte [r10 + 1], al
cmp esi, 6
lea rax, [rdx - 1]
cmovne rax, rdx
xor ecx, ecx
cmp esi, 6
mov rdx, rax
lea eax, [rsi + 2]
cmovne ecx, eax
mov esi, ecx
sub r8, 1
jne 0x1800ce370
jmp 0x1800ce409
lea eax, [r11 - 1]
mov r8, r11
mov edx, eax
and eax, r12d
shr rdx, 3
sub r12d, eax
add rdx, r9
dec r9
add r9, r11
test r11d, r11d
je 0x1800ce409
nop word [rax + rax]
movzx eax, byte [rdx]
lea r9, [r9 - 1]
movzx ecx, r12b
shr al, cl
and al, 1
mov byte [r9 + 1], al
cmp r12d, 7
lea rax, [rdx - 1]
cmovne rax, rdx
xor ecx, ecx
cmp r12d, 7
mov rdx, rax
lea eax, [r12 + 1]
cmovne ecx, eax
mov r12d, ecx
sub r8, 1
jne 0x1800ce3d0
movzx ecx, byte [rdi + 0x12]
movzx eax, cl
mov byte [rdi + 0x11], 8
shl al, 3
imul ecx, r11d
mov byte [rdi + 0x13], al
mov eax, ecx
mov qword [rdi + 8], rax
cmp byte [rdi + 0x10], 3
lea rsi, [rdi + 0x10]
jne 0x1800ce446
cmp dword [rbx + 0x27c], 0
jl 0x1800ce446
mov rdx, rdi
mov rcx, rbx
call fcn.1800d0080
lea rsi, [rdi + 0x10]
test byte [rbx + 0x16c], 1
je 0x1800ce461
mov rdx, qword [rbx + 0x248]
mov rcx, rdi
inc rdx
call fcn.1800cff80
test dword [rbx + 0x16c], 0x10000
mov rbp, rsi
je 0x1800ce486
mov rdx, qword [rbx + 0x248]
mov rcx, rdi
inc rdx
call fcn.1800d0310
lea rbp, [rdi + 0x10]
test dword [rbx + 0x16c], 0x8000
je 0x1800ce4b6
mov rdx, qword [rbx + 0x248]
mov rcx, rdi
movzx r8d, word [rbx + 0x292]
inc rdx
mov r9d, dword [rbx + 0x168]
call fcn.1800cd7e0
mov rsi, rbp
test dword [rbx + 0x16c], 0x20000
je 0x1800ce610
mov rdx, qword [rbx + 0x248]
movzx eax, byte [rsi]
inc rdx
mov ecx, dword [rdi]
cmp al, 6
jne 0x1800ce592
mov rax, qword [rdi + 8]
add rax, rdx
cmp byte [rdi + 0x11], 8
jne 0x1800ce531
mov r8, rax
test ecx, ecx
je 0x1800ce610
mov r9d, ecx
nop dword [rax + rax]
movzx ecx, byte [rax - 2]
lea r8, [r8 - 4]
movzx edx, byte [rax - 1]
lea rax, [rax - 4]
mov byte [r8 + 3], cl
movzx ecx, byte [rax + 1]
mov byte [r8 + 2], cl
movzx ecx, byte [rax]
mov byte [r8 + 1], cl
mov byte [r8], dl
sub r9, 1
jne 0x1800ce500
jmp 0x1800ce610
mov r9, rax
test ecx, ecx
je 0x1800ce610
mov r10, rcx
nop
movzx ecx, byte [rax - 3]
lea r9, [r9 - 8]
movzx edx, byte [rax - 1]
movzx r8d, byte [rax - 2]
lea rax, [rax - 8]
mov byte [r9 + 7], cl
movzx ecx, byte [rax + 4]
mov byte [r9 + 6], cl
movzx ecx, byte [rax + 3]
mov byte [r9 + 5], cl
movzx ecx, byte [rax + 2]
mov byte [r9 + 4], cl
movzx ecx, byte [rax + 1]
mov byte [r9 + 3], cl
movzx ecx, byte [rax]
mov byte [r9 + 2], cl
mov byte [r9 + 1], dl
mov byte [r9], r8b
sub r10, 1
jne 0x1800ce540
jmp 0x1800ce610
cmp al, r13b
jne 0x1800ce610
cmp byte [rdi + 0x11], 8
mov rax, qword [rdi + 8]
jne 0x1800ce5ce
add rdx, rax
mov r8, rdx
test ecx, ecx
je 0x1800ce610
mov r9, rcx
nop
movzx ecx, byte [rdx - 1]
lea rdx, [rdx - 2]
movzx eax, byte [rdx]
mov byte [r8 - 1], al
lea r8, [r8 - 2]
mov byte [r8], cl
sub r9, 1
jne 0x1800ce5b0
jmp 0x1800ce610
lea r8, [rax + rdx]
mov r9, r8
test ecx, ecx
je 0x1800ce610
mov r10, rcx
nop dword [rax]
movzx eax, byte [r8 - 3]
lea r9, [r9 - 4]
movzx ecx, byte [r8 - 1]
movzx edx, byte [r8 - 2]
lea r8, [r8 - 4]
mov byte [r9 + 3], al
movzx eax, byte [r8]
mov byte [r9 + 2], al
mov byte [r9 + 1], cl
mov byte [r9], dl
sub r10, 1
jne 0x1800ce5e0
test byte [rbx + 0x16c], 0x10
je 0x1800ce62b
mov rdx, qword [rbx + 0x248]
mov rcx, rdi
inc rdx
call fcn.1800d0530
test dword [rbx + 0x16c], 0x100000
je 0x1800ce6a2
mov rax, qword [rbx + 0x148]
test rax, rax
je 0x1800ce655
mov r8, qword [rbx + 0x248]
mov rdx, rdi
inc r8
mov rcx, rbx
call rax
movzx eax, byte [rbx + 0x160]
test al, al
je 0x1800ce663
mov byte [rdi + 0x11], al
movzx eax, byte [rbx + 0x161]
test al, al
je 0x1800ce671
mov byte [rdi + 0x12], al
movzx eax, byte [rdi + 0x11]
movzx ecx, byte [rdi + 0x12]
imul ecx, eax
movzx eax, cl
mov ecx, dword [rdi]
mov byte [rdi + 0x13], al
cmp al, 8
jb 0x1800ce692
shr rax, 3
imul rax, rcx
jmp 0x1800ce69e
imul rax, rcx
add rax, 7
shr rax, 3
mov qword [rdi + 8], rax
mov r13, qword [rsp + 0x40]
mov r12, qword [rsp + 0x70]
mov rsi, qword [rsp + 0x68]
mov rbp, qword [rsp + 0x60]
mov r14, qword [rsp + 0x38]
add rsp, 0x48
pop rdi
pop rbx
ret
lea rdx, str.NULL_row_buffer
mov rcx, rbx
call fcn.1800c7500
int3
lea rdx, str.Uninitialized_row
mov rcx, rbx
call fcn.1800c7500
int3
lea rdx, str.png_do_rgb_to_gray_found_nongray_pixel
mov rcx, rbx
call fcn.1800c7500
int3
lea rdx, str.png_do_quantize_returned_rowbytes0
mov rcx, rbx
call fcn.1800c7500
int3