Function at 0x1400693a0
Capabilities:
Encrypt data using rc4 ksa

Disassembly:
mov dword [rsp + 0x18], r8d
mov dword [rsp + 0x10], edx
push rbp
push rbx
push rsi
push rdi
push r12
push r13
push r14
push r15
lea rbp, [rsp - 0x1378]
mov eax, 0x1478
call fcn.14009c4b0
sub rsp, rax
mov rbx, qword [rcx]
xor edx, edx
xor eax, eax
mov qword [rcx + 0x10], rdx
xor r15b, r15b
mov qword [rcx + 8], rdx
mov r12, rcx
mov qword [rcx + 0x18], rdx
mov byte [rbp + 0x13c8], r15b
mov rcx, rbx
mov r15d, 1
mov byte [rbp + 0x13d0], 0
mov dword [rbp + 0x13d8], r15d
mov r13d, edx
mov word [rbp + 0x13c0], ax
mov r14d, edx
mov byte [rbp + 0x13c2], al
mov dword [rsp + 0x40], edx
mov dword [rsp + 0x50], edx
mov dword [rsp + 0x54], edx
mov dword [rsp + 0x4c], edx
call fcn.140067c90
test eax, eax
je 0x14006a15e
mov rcx, rbx
call fcn.140060880
mov rcx, rbx
mov esi, eax
call fcn.140060880
shl esi, 0x10
mov rcx, rbx
add esi, eax
mov dword [rsp + 0x60], esi
call fcn.140060880
mov rcx, rbx
mov edi, eax
call fcn.140060880
shl edi, 0x10
lea edx, [rdi + rax]
mov dword [rsp + 0x64], edx
mov rax, qword [rsp + 0x60]
mov rcx, rax
shr rcx, 0x20
cmp ecx, 0x49484452
ja 0x1400697f9
je 0x14006957e
cmp ecx, 0x43674249
je 0x140069571
cmp ecx, 0x49444154
je 0x1400694d5
cmp ecx, 0x49454e44
jne 0x14006980d
test r15d, r15d
jne 0x14006a142
mov rdi, qword [r12 + 8]
test rdi, rdi
jne 0x140069b26
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.no_IDAT
jmp 0x14006a155
test r15d, r15d
jne 0x14006a142
cmp byte [rbp + 0x13d0], r15b
je 0x1400694f0
test r14d, r14d
je 0x140069f95
cmp esi, 0x40000000
ja 0x140069fc5
mov ecx, dword [rsp + 0x40]
lea edi, [rsi + rcx]
cmp edi, ecx
jl 0x14006a15e
cmp edi, r13d
jbe 0x14006954e
test r13d, r13d
jne 0x140069522
mov r13d, 0x1000
cmp esi, r13d
cmova r13d, eax
cmp edi, r13d
jbe 0x14006952f
add r13d, r13d
cmp edi, r13d
ja 0x140069527
mov rcx, qword [r12 + 8]
mov edx, r13d
call fcn.1400af304
test rax, rax
je 0x140069f36
mov ecx, dword [rsp + 0x40]
mov qword [r12 + 8], rax
mov edx, ecx
mov r8d, esi
add rdx, qword [r12 + 8]
mov rcx, rbx
call fcn.1400607b0
test eax, eax
je 0x140069fad
mov dword [rsp + 0x40], edi
jmp 0x140069b11
mov dword [rsp + 0x4c], 1
jmp 0x140069820
test r15d, r15d
je 0x14006a085
mov dword [rbp + 0x13d8], 0
cmp esi, 0xd
jne 0x14006a06d
mov rcx, rbx
call fcn.140060880
mov rcx, rbx
mov edi, eax
call fcn.140060880
shl edi, 0x10
mov rcx, rbx
add eax, edi
mov dword [rbx], eax
call fcn.140060880
mov rcx, rbx
mov edi, eax
call fcn.140060880
shl edi, 0x10
lea ecx, [rax + rdi]
mov dword [rbx + 4], ecx
cmp ecx, 0x1000000
ja 0x1400697cd
cmp dword [rbx], 0x1000000
ja 0x1400697cd
mov rax, qword [rbx + 0xc0]
cmp rax, qword [rbx + 0xc8]
jae 0x140069605
movzx ecx, byte [rax]
inc rax
mov qword [rbx + 0xc0], rax
jmp 0x14006962b
cmp dword [rbx + 0x30], 0
je 0x140069629
mov rcx, rbx
call fcn.140060730
mov rax, qword [rbx + 0xc0]
movzx ecx, byte [rax]
inc rax
mov qword [rbx + 0xc0], rax
jmp 0x14006962b
xor cl, cl
mov rdx, rbx
mov r8d, 0x30
movzx edx, cl
mov dword [r12 + 0x20], edx
lea rdi, [r8 + rbx]
cmp edx, 0x10
ja 0x14006a055
mov ecx, 0x10116
bt ecx, edx
jae 0x14006a055
cmp rax, qword [rbx + 0xc8]
jae 0x14006966f
movzx ecx, byte [rax]
inc rax
mov qword [rbx + 0xc0], rax
jmp 0x140069694
cmp dword [rdi], 0
je 0x140069692
mov rcx, rbx
call fcn.140060730
mov rax, qword [rbx + 0xc0]
movzx ecx, byte [rax]
inc rax
mov qword [rbx + 0xc0], rax
jmp 0x140069694
xor cl, cl
movzx esi, cl
mov dword [rsp + 0x54], esi
cmp esi, 6
ja 0x140069fdd
cmp esi, 3
jne 0x1400696be
cmp dword [r12 + 0x20], 0x10
je 0x140069fdd
mov byte [rbp + 0x13d0], sil
jmp 0x1400696c8
test sil, 1
jne 0x140069fdd
cmp rax, qword [rbx + 0xc8]
jb 0x1400696e5
cmp dword [rdi], 0
je 0x1400696fa
mov rcx, rbx
call fcn.140060730
mov rax, qword [rbx + 0xc0]
movzx ecx, byte [rax]
inc rax
mov qword [rbx + 0xc0], rax
test cl, cl
jne 0x140069ff5
cmp rax, qword [rbx + 0xc8]
jb 0x140069717
cmp dword [rdi], 0
je 0x14006972c
mov rcx, rbx
call fcn.140060730
mov rax, qword [rbx + 0xc0]
movzx ecx, byte [rax]
inc rax
mov qword [rbx + 0xc0], rax
test cl, cl
jne 0x14006a00d
cmp rax, qword [rbx + 0xc8]
jae 0x140069744
movzx ecx, byte [rax]
inc rax
mov qword [rbx + 0xc0], rax
jmp 0x140069769
cmp dword [rdi], 0
je 0x140069767
mov rcx, rbx
call fcn.140060730
mov rax, qword [rbx + 0xc0]
movzx ecx, byte [rax]
inc rax
mov qword [rbx + 0xc0], rax
jmp 0x140069769
xor cl, cl
movzx r15d, cl
mov dword [rsp + 0x50], r15d
cmp r15d, 1
ja 0x14006a03d
mov ecx, dword [rbx]
test ecx, ecx
je 0x14006a025
mov r9d, dword [rbx + 4]
test r9d, r9d
je 0x14006a025
xor edx, edx
mov eax, 0x40000000
div ecx
cmp byte [rbp + 0x13d0], 0
jne 0x1400697e5
xor edx, edx
mov r8d, esi
shr r8d, 2
mov ecx, esi
and ecx, 2
and r8d, 1
or ecx, 1
add r8d, ecx
div r8d
mov dword [rbx + 8], r8d
cmp eax, r9d
jae 0x140069b0a
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.too_large
jmp 0x14006a155
shr eax, 2
mov dword [rbx + 8], 1
cmp eax, r9d
jb 0x1400697cd
jmp 0x140069b0a
cmp ecx, 0x504c5445
je 0x1400699bc
cmp ecx, 0x74524e53
je 0x140069881
test r15d, r15d
jne 0x14006a142
bt edx, 0x1d
jae 0x14006a09d
test esi, esi
je 0x140069b11
jns 0x14006983d
mov rax, qword [rbx + 0xc8]
mov qword [rbx + 0xc0], rax
jmp 0x140069b11
cmp qword [rbx + 0x10], 0
je 0x140069872
mov ecx, dword [rbx + 0xc8]
sub ecx, dword [rbx + 0xc0]
cmp ecx, esi
jge 0x140069872
mov rax, qword [rbx + 0xc8]
sub esi, ecx
mov rcx, qword [rbx + 0x28]
mov edx, esi
mov qword [rbx + 0xc0], rax
call qword [rbx + 0x18]
jmp 0x140069b11
movsxd rax, esi
add qword [rbx + 0xc0], rax
jmp 0x140069b11
test r15d, r15d
jne 0x14006a142
cmp qword [r12 + 8], 0
jne 0x14006a118
cmp byte [rbp + 0x13d0], r15b
je 0x14006992b
test r14d, r14d
je 0x14006a0ee
cmp esi, r14d
ja 0x14006a0d9
xor edi, edi
mov byte [rbp + 0x13d0], 4
test esi, esi
je 0x140069b11
nop word [rax + rax]
mov rax, qword [rbx + 0xc0]
cmp rax, qword [rbx + 0xc8]
jae 0x1400698ef
movzx edx, byte [rax]
inc rax
mov qword [rbx + 0xc0], rax
jmp 0x140069915
cmp dword [rbx + 0x30], 0
je 0x140069913
mov rcx, rbx
call fcn.140060730
mov rax, qword [rbx + 0xc0]
movzx edx, byte [rax]
inc rax
mov qword [rbx + 0xc0], rax
jmp 0x140069915
xor dl, dl
lea eax, [rdi*4 + 3]
inc edi
mov byte [rsp + rax + 0x70], dl
cmp edi, esi
jb 0x1400698d0
jmp 0x140069b11
mov ecx, dword [rbx + 8]
test cl, 1
je 0x14006a103
lea eax, [rcx + rcx]
cmp esi, eax
jne 0x14006a0d9
xor esi, esi
mov byte [rbp + 0x13c8], 1
cmp dword [r12 + 0x20], 0x10
jne 0x14006997b
test ecx, ecx
jle 0x140069b11
lea rdi, [rsp + 0x44]
mov rcx, rbx
call fcn.140060880
inc esi
mov word [rdi], ax
lea rdi, [rdi + 2]
cmp esi, dword [rbx + 8]
jl 0x140069960
jmp 0x140069b11
test ecx, ecx
jle 0x140069b11
lea rdi, [rbp + 0x13c0]
lea r15, [0x1400f7fe0]
mov rcx, rbx
call fcn.140060880
movsxd rcx, dword [r12 + 0x20]
lea rdi, [rdi + 1]
movzx eax, al
inc esi
movzx edx, byte [rcx + r15]
imul eax, edx
mov byte [rdi - 1], al
cmp esi, dword [rbx + 8]
jl 0x140069991
jmp 0x140069b0a
test r15d, r15d
jne 0x14006a142
cmp esi, 0x300
ja 0x14006a12d
mov eax, 0xaaaaaaab
mul esi
mov r14d, edx
shr r14d, 1
mov dword [rsp + 0x58], r14d
lea eax, [r14 + r14*2]
cmp eax, esi
jne 0x14006a12d
test r14d, r14d
je 0x140069b0a
lea rdi, [rbx + 0x30]
nop dword [rax]
mov rdx, qword [rbx + 0xc0]
mov rsi, rdi
cmp rdx, qword [rbx + 0xc8]
jae 0x140069a22
movzx ecx, byte [rdx]
inc rdx
mov qword [rbx + 0xc0], rdx
jmp 0x140069a48
cmp dword [rdi], 0
je 0x140069a46
mov rcx, rbx
call fcn.140060730
mov rax, qword [rbx + 0xc0]
movzx ecx, byte [rax]
lea rdx, [rax + 1]
mov qword [rbx + 0xc0], rdx
jmp 0x140069a48
xor cl, cl
lea r14d, [r15*4]
mov byte [rsp + r14 + 0x70], cl
cmp rdx, qword [rbx + 0xc8]
jae 0x140069a72
movzx r8d, byte [rdx]
lea rdi, [rbx + 0x30]
inc rdx
mov qword [rbx + 0xc0], rdx
jmp 0x140069a9a
cmp dword [rdi], 0
je 0x140069a97
mov rcx, rbx
call fcn.140060730
mov rax, qword [rbx + 0xc0]
movzx r8d, byte [rax]
lea rdx, [rax + 1]
mov qword [rbx + 0xc0], rdx
jmp 0x140069a9a
xor r8b, r8b
lea eax, [r14 + 1]
mov byte [rsp + rax + 0x70], r8b
cmp rdx, qword [rbx + 0xc8]
jae 0x140069abd
movzx r8d, byte [rdx]
lea rax, [rdx + 1]
mov qword [rbx + 0xc0], rax
jmp 0x140069ae7
cmp dword [rsi], 0
mov rdi, rsi
je 0x140069ae4
mov rcx, rbx
call fcn.140060730
mov rax, qword [rbx + 0xc0]
movzx r8d, byte [rax]
inc rax
mov qword [rbx + 0xc0], rax
jmp 0x140069ae7
xor r8b, r8b
lea eax, [r14 + 2]
inc r15d
mov byte [rsp + rax + 0x70], r8b
lea eax, [r14 + 3]
mov r14d, dword [rsp + 0x58]
mov byte [rsp + rax + 0x70], 0xff
cmp r15d, r14d
jb 0x140069a00
mov r15d, dword [rbp + 0x13d8]
mov rcx, rbx
call fcn.140060880
mov rcx, rbx
call fcn.140060880
jmp 0x140069431
mov eax, dword [rbx]
imul eax, dword [r12 + 0x20]
add eax, 7
shr eax, 3
imul eax, dword [rbx + 8]
inc eax
imul eax, dword [rbx + 4]
movsxd rsi, eax
mov rcx, rsi
call fcn.1400adb00
mov rcx, rax
test rax, rax
jne 0x140069b5b
mov qword [r12 + 0x10], rax
jmp 0x14006a15e
movsxd rax, dword [rsp + 0x40]
xor r13d, r13d
mov r14d, dword [rsp + 0x4c]
add rax, rdi
mov qword [rbp + 0x378], rax
mov edx, r13d
lea rax, [rsi + rcx]
mov qword [rbp + 0x390], rcx
mov qword [rbp + 0x388], rcx
test r14d, r14d
lea rcx, [rbp + 0x370]
mov qword [rbp + 0x370], rdi
sete dl
mov qword [rbp + 0x398], rax
mov dword [rbp + 0x3a0], 1
call fcn.140067ac0
test eax, eax
je 0x140069f7f
mov rax, qword [rbp + 0x390]
mov edi, dword [rbp + 0x388]
sub edi, dword [rbp + 0x390]
mov qword [r12 + 0x10], rax
test rax, rax
je 0x14006a15e
mov rcx, qword [r12 + 8]
call fcn.1400a352c
mov eax, dword [rbx + 8]
movzx esi, byte [rbp + 0x13d0]
mov qword [r12 + 8], r13
lea r9d, [rax + 1]
cmp r9d, 4
jne 0x140069c06
test sil, sil
je 0x140069ca2
movzx r15d, byte [rbp + 0x13c8]
test r15b, r15b
jne 0x140069c16
mov r9d, eax
mov eax, dword [rsp + 0x50]
mov r8d, edi
mov ecx, dword [rsp + 0x54]
mov dword [rsp + 0x30], eax
mov dword [rsp + 0x28], ecx
mov rcx, r12
mov dword [rbx + 0xc], r9d
mov eax, dword [r12 + 0x20]
mov rdx, qword [r12 + 0x10]
mov dword [rsp + 0x20], eax
call fcn.140068f70
test eax, eax
je 0x14006a15e
test r15b, r15b
je 0x140069d50
mov rdx, qword [r12]
mov rcx, qword [r12 + 0x18]
mov eax, dword [rdx + 4]
imul eax, dword [rdx]
cmp dword [r12 + 0x20], 0x10
jne 0x140069ce4
test eax, eax
je 0x140069d50
cmp dword [rbx + 0xc], 2
jne 0x140069caf
movzx r8d, word [rsp + 0x44]
mov edx, eax
cmp word [rcx], r8w
lea rcx, [rcx + 4]
mov eax, 0xffff
cmove ax, r13w
mov word [rcx - 2], ax
sub rdx, 1
jne 0x140069c81
jmp 0x140069d50
movzx r15d, byte [rbp + 0x13c8]
jmp 0x140069c16
movzx edx, word [rsp + 0x48]
movzx r8d, word [rsp + 0x46]
movzx r9d, word [rsp + 0x44]
cmp word [rcx], r9w
jne 0x140069cd8
cmp word [rcx + 2], r8w
jne 0x140069cd8
cmp word [rcx + 4], dx
jne 0x140069cd8
mov word [rcx + 6], r13w
add rcx, 8
sub rax, 1
jne 0x140069cc0
jmp 0x140069d50
test eax, eax
je 0x140069d50
cmp dword [rbx + 0xc], 2
jne 0x140069d1b
movzx r8d, byte [rbp + 0x13c0]
mov edx, eax
nop dword [rax + rax]
cmp byte [rcx], r8b
lea rcx, [rcx + 2]
mov eax, 0xff
cmove eax, r13d
mov byte [rcx - 1], al
sub rdx, 1
jne 0x140069d00
jmp 0x140069d50
movzx edx, byte [rbp + 0x13c2]
movzx r8d, byte [rbp + 0x13c1]
movzx r9d, byte [rbp + 0x13c0]
cmp byte [rcx], r9b
jne 0x140069d46
cmp byte [rcx + 1], r8b
jne 0x140069d46
cmp byte [rcx + 2], dl
jne 0x140069d46
mov byte [rcx + 3], r13b
add rcx, 4
sub rax, 1
jne 0x140069d32
test r14d, r14d
je 0x140069e9a
mov rax, qword gs:[0x58]
mov rdx, qword [rax]
mov eax, 0x1c
cmp dword [rax + rdx], r13d
je 0x140069d7a
mov eax, 0x20
mov eax, dword [rax + rdx]
jmp 0x140069d80
mov eax, dword [0x14011689c]
test eax, eax
je 0x140069e9a
cmp dword [rbx + 0xc], 2
jle 0x140069e9a
mov rax, qword [r12]
mov r10, qword [r12 + 0x18]
mov ecx, dword [rax + 4]
imul ecx, dword [rax]
cmp dword [rax + 0xc], 3
jne 0x140069ddf
test ecx, ecx
je 0x140069e9a
mov edx, ecx
nop dword [rax]
nop word [rax + rax]
movzx ecx, byte [r10]
movzx eax, byte [r10 + 2]
mov byte [r10], al
mov byte [r10 + 2], cl
lea r10, [r10 + 3]
sub rdx, 1
jne 0x140069dc0
jmp 0x140069e9a
mov eax, 0x24
cmp dword [rax + rdx], r13d
je 0x140069df4
mov eax, 0x18
mov eax, dword [rax + rdx]
jmp 0x140069dfa
mov eax, dword [0x140116688]
test ecx, ecx
je 0x140069e9a
test eax, eax
je 0x140069e7a
mov edi, ecx
nop dword [rax + rax]
movzx eax, byte [r10 + 3]
movzx r11d, byte [r10]
movzx ecx, byte [r10 + 2]
test al, al
je 0x140069e64
mov r8d, eax
mov r9d, eax
movzx eax, byte [r10 + 1]
xor edx, edx
imul eax, eax, 0xff
shr r8d, 1
add eax, r8d
div r9d
xor edx, edx
mov byte [r10 + 1], al
imul eax, r11d, 0xff
add eax, r8d
div r9d
xor edx, edx
mov r11d, eax
imul eax, ecx, 0xff
add eax, r8d
div r9d
jmp 0x140069e67
movzx eax, cl
mov byte [r10], al
mov byte [r10 + 2], r11b
add r10, 4
sub rdi, 1
jne 0x140069e10
jmp 0x140069e9a
mov edx, ecx
nop dword [rax]
movzx ecx, byte [r10]
movzx eax, byte [r10 + 2]
mov byte [r10], al
mov byte [r10 + 2], cl
lea r10, [r10 + 4]
sub rdx, 1
jne 0x140069e80
test sil, sil
je 0x140069f4e
mov rdi, qword [r12 + 0x18]
movzx eax, sil
mov dword [rbx + 8], eax
mov rax, qword [r12]
mov dword [rbx + 0xc], 4
mov esi, dword [rax + 4]
imul esi, dword [rax]
test esi, esi
js 0x140069f36
lea eax, [rsi*4]
cmp esi, 0x1fffffff
jg 0x140069f36
movsxd rcx, eax
call fcn.1400adb00
mov r14, rax
test rax, rax
je 0x140069f36
test esi, esi
je 0x140069f25
lea r8, [rax + 2]
mov r9d, esi
nop
movzx edx, byte [rdi]
lea r8, [r8 + 4]
lea rdi, [rdi + 1]
movzx eax, byte [rsp + rdx*4 + 0x70]
mov byte [r8 - 6], al
movzx eax, byte [rsp + rdx*4 + 0x71]
mov byte [r8 - 5], al
movzx eax, byte [rsp + rdx*4 + 0x72]
mov byte [r8 - 4], al
movzx eax, byte [rsp + rdx*4 + 0x73]
mov byte [r8 - 3], al
sub r9, 1
jne 0x140069ef0
mov rcx, qword [r12 + 0x18]
call fcn.1400a352c
mov qword [r12 + 0x18], r14
jmp 0x140069f56
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.outofmem
jmp 0x14006a155
test r15b, r15b
je 0x140069f56
inc dword [rbx + 8]
mov rcx, qword [r12 + 0x10]
call fcn.1400a352c
mov rcx, rbx
mov qword [r12 + 0x10], r13
call fcn.140060880
mov rcx, rbx
call fcn.140060880
mov eax, 1
jmp 0x14006a160
mov rcx, qword [rbp + 0x390]
call fcn.1400a352c
mov qword [r12 + 0x10], r13
jmp 0x14006a15e
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.no_PLTE
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.outofdata
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.IDAT_size_limit
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.bad_ctype
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.bad_comp_method
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.bad_filter_method
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.0_pixel_image
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.bad_interlace_method
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.1_2_4_8_16_bit_only
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.bad_IHDR_len
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.multiple_IHDR
jmp 0x14006a155
mov eax, edx
mov byte [0x140113ccb], dl
shr eax, 0x18
mov byte [str.XXXX_PNG_chunk_not_known], al
mov eax, edx
shr eax, 0x10
mov byte [0x140113cc9], al
mov eax, edx
shr eax, 8
mov byte [0x140113cca], al
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.XXXX_PNG_chunk_not_known
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.bad_tRNS_len
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.tRNS_before_PLTE
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.tRNS_with_alpha
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.tRNS_after_IDAT
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.invalid_PLTE
jmp 0x14006a155
mov rax, qword gs:[0x58]
mov rcx, qword [rax]
lea rax, str.first_not_IHDR
mov edx, 0x28
mov qword [rdx + rcx], rax
xor eax, eax
add rsp, 0x1478
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbx
pop rbp
ret