Function at 0x1400881b4
Capabilities:
Get file size
Read file on windows

Disassembly:
mov qword [rsp + 0x10], rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
push r15
mov rbp, rsp
sub rsp, 0x50
mov rbx, rcx
mov rcx, qword [0x1407a39e0]
xor r12d, r12d
mov r14d, edx
mov r15d, r12d
call fcn.1400bbfb0
mov rdi, rax
call fcn.1400888d0
test rbx, rbx
mov qword [rsp + 0x30], r12
lea rsi, [0x14018b074]
lea r13d, [r12 + 1]
cmovne rsi, rbx
lea ebx, [r12 + 3]
mov edx, 0xc0000000
mov r8d, r13d
xor r9d, r9d
mov rcx, rsi
mov dword [rsp + 0x28], pe_nt_image_headers64
mov dword [rdi + 0x14], r12d
mov dword [rsp + 0x20], ebx
call qword [sym.imp.KERNEL32.dll_CreateFileW]
mov qword [rdi], rax
cmp rax, 0xffffffffffffffff
jne 0x1400882e3
mov qword [rsp + 0x30], r12
xor r9d, r9d
mov r8d, r13d
mov edx, 0x80000000
mov rcx, rsi
mov dword [rsp + 0x28], pe_nt_image_headers64
mov dword [rsp + 0x20], ebx
call qword [sym.imp.KERNEL32.dll_CreateFileW]
mov qword [rdi], rax
cmp rax, 0xffffffffffffffff
jne 0x14008828f
mov qword [rsp + 0x30], r12
xor r9d, r9d
mov r8d, ebx
mov edx, 0x80000000
mov rcx, rsi
mov dword [rsp + 0x28], pe_nt_image_headers64
mov dword [rsp + 0x20], ebx
call qword [sym.imp.KERNEL32.dll_CreateFileW]
mov qword [rdi], rax
cmp qword [rdi], 0xffffffffffffffff
mov dword [rdi + 0x14], r13d
jne 0x1400882e3
mov rcx, rsi
mov qword [rdi], r12
mov dword [rdi + 0x50], r14d
mov dword [rdi + 0x28], 0xfde9
call sub.msvcrt.dll_wcslen
mov rcx, qword [0x14079f19c]
lea r8, [rax*2 + 2]
xor edx, edx
call qword [sym.imp.KERNEL32.dll_HeapAlloc]
mov qword [rdi + 8], rax
test rax, rax
je 0x1400885d0
mov rdx, rsi
mov rcx, rax
call sub.msvcrt.dll_wcscpy
jmp 0x1400885d0
mov rcx, qword [rdi]
xor edx, edx
call qword [sym.imp.KERNEL32.dll_GetFileSize]
mov eax, eax
mov qword [rbp + 0x58], rax
mov dword [rdi + 0x28], r12d
mov dword [rdi + 0x50], r14d
mov rax, qword [rbp + 0x58]
cmp rax, rbx
jl 0x140088363
mov rcx, qword [rdi]
lea r9, [rbp + 0x50]
lea rdx, [rbp + 0x40]
mov r8d, ebx
mov qword [rsp + 0x20], r12
call qword [sym.imp.KERNEL32.dll_ReadFile]
cmp dword [rbp + 0x50], ebx
jne 0x14008834e
lea rdx, [0x14019f314]
lea rcx, [rbp + 0x40]
mov r8, rbx
call sub.msvcrt.dll_memcmp
test eax, eax
jne 0x14008834e
mov dword [rdi + 0x28], 0xfde9
mov rax, qword [rbp + 0x58]
sub rax, rbx
mov qword [rbp + 0x58], rax
jmp 0x140088363
mov rcx, qword [rdi]
xor r9d, r9d
xor r8d, r8d
xor edx, edx
call qword [sym.imp.KERNEL32.dll_SetFilePointer]
mov rax, qword [rbp + 0x58]
test rax, rax
jle 0x140088413
mov rcx, qword [0x14079f19c]
xor edx, edx
lea r8, [rax + 2]
cmp dword [rdi + 0x28], r12d
jne 0x140088453
call qword [sym.imp.KERNEL32.dll_HeapAlloc]
mov rbx, rax
test rax, rax
je 0x14008840f
mov r8, qword [rbp + 0x58]
mov rcx, qword [0x14079f19c]
xor edx, edx
lea r8, [r8*4 + 2]
call qword [sym.imp.KERNEL32.dll_HeapAlloc]
mov qword [rdi + 0x18], rax
test rax, rax
je 0x14008840f
mov r8d, dword [rbp + 0x58]
mov rcx, qword [rdi]
lea r9, [rbp + 0x50]
mov rdx, rbx
mov qword [rsp + 0x20], r12
call qword [sym.imp.KERNEL32.dll_ReadFile]
movsxd rax, dword [rbp + 0x50]
lea r9, [rbp - 0x10]
mov qword [rbp - 0x10], rax
mov rax, qword [rbp + 0x58]
lea rdx, [rbp + 0x58]
shl rax, 2
mov r8, rbx
mov qword [rbp + 0x58], rax
mov rcx, qword [rdi + 0x18]
call fcn.1400bda40
mov dword [rdi + 0x28], 0xfde9
mov rcx, qword [0x14079f19c]
mov r8, rbx
xor edx, edx
call qword [sym.imp.KERNEL32.dll_HeapFree]
mov rax, qword [rbp + 0x58]
mov rcx, qword [rdi + 0x18]
test rcx, rcx
je 0x1400885d0
mov word [rcx + rax], r12w
mov rbx, qword [rdi + 0x18]
mov rax, qword [rbp + 0x58]
lea rcx, [rbx + rax]
mov sil, 0xa
mov r14b, reloc.WS2_32.dll_listen
mov qword [rdi + 0x20], rcx
cmp rbx, rcx
jae 0x1400885d0
cmp byte [rbx], 0x20
je 0x14008844e
cmp byte [rbx], 9
jne 0x140088485
add rbx, r13
jmp 0x140088444
call qword [sym.imp.KERNEL32.dll_HeapAlloc]
mov qword [rdi + 0x18], rax
test rax, rax
je 0x14008840f
mov r8d, dword [rbp + 0x58]
mov rcx, qword [rdi]
lea r9, [rbp + 0x50]
mov rdx, rax
mov qword [rsp + 0x20], r12
call qword [sym.imp.KERNEL32.dll_ReadFile]
movsxd rax, dword [rbp + 0x50]
mov qword [rbp + 0x58], rax
jmp 0x140088413
mov al, byte [rbx]
cmp al, 0x3b
jne 0x1400884cf
add rbx, r13
cmp byte [rbx], 0x20
jne 0x140088496
add rbx, r13
lea rcx, [rdi + 0x30]
mov r9, rbx
mov r8d, 2
mov rdx, r15
call fcn.1400885ec
mov r15, rax
jmp 0x1400884c5
cmp byte [rbx], sil
je 0x1400885b6
cmp byte [rbx], r14b
je 0x1400885b6
add rbx, r13
cmp byte [rbx], r12b
jne 0x1400884b0
jmp 0x1400885b6
cmp al, 0x5b
jne 0x140088533
add rbx, r13
lea rcx, [rdi + 0x30]
mov r8, r13
mov r9, rbx
mov rdx, r15
call fcn.1400885ec
mov r15, rax
jmp 0x140088500
mov al, byte [rbx]
cmp al, 0x5d
je 0x14008850e
cmp al, sil
je 0x140088505
cmp al, r14b
je 0x140088505
add rbx, r13
cmp byte [rbx], r12b
jne 0x1400884ed
cmp byte [rbx], 0x5d
jne 0x1400885b6
mov byte [rbx], r12b
jmp 0x140088525
cmp al, sil
je 0x1400885b9
cmp al, r14b
je 0x1400885bc
add rbx, r13
mov al, byte [rbx]
test al, al
jne 0x140088513
jmp 0x1400885bc
cmp al, sil
je 0x1400885bc
cmp al, r14b
je 0x1400885bc
mov r8, rbx
jmp 0x140088563
cmp al, 0x3d
ja 0x14008855e
movsx rax, al
movabs rcx, 0x2000000000002400
bt rcx, rax
jb 0x140088567
add rbx, r13
mov al, byte [rbx]
test al, al
jne 0x140088546
lea rax, [rbx - 1]
jmp 0x14008857a
cmp byte [rax], 0x20
je 0x140088577
cmp byte [rax], 9
jne 0x14008857f
sub rax, r13
cmp rax, r8
ja 0x14008856d
mov byte [rax + 1], r12b
add rbx, r13
cmp byte [rbx], 0x20
je 0x140088583
cmp byte [rbx], 9
je 0x140088583
lea rcx, [rdi + 0x30]
mov r9, rbx
mov rdx, r15
call fcn.1400885ec
mov r15, rax
jmp 0x1400885b1
cmp byte [rbx], sil
je 0x1400885b6
cmp byte [rbx], r14b
je 0x1400885b6
add rbx, r13
cmp byte [rbx], r12b
jne 0x1400885a4
mov byte [rbx], r12b
add rbx, r13
cmp byte [rbx], sil
je 0x1400885b9
cmp byte [rbx], r14b
je 0x1400885b9
cmp rbx, qword [rdi + 0x20]
jb 0x140088444
mov rax, qword [rdi]
mov rbx, qword [rsp + 0x98]
add rsp, 0x50
pop r15
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
ret