Function at 0x1800878b0
Capabilities:
Get file size
Read file on windows

Disassembly:
push rbx
push rbp
push rsi
push rdi
push r12
push r13
push r14
mov eax, 0x3110
call fcn.1800b3cb0
sub rsp, rax
mov qword [rsp + 0xa0], 0xfffffffffffffffe
mov rax, qword [0x180101090]
xor rax, rsp
mov qword [rsp + 0x3100], rax
mov rdi, r8
mov r12, rdx
mov rbx, rcx
call fcn.180086ff8
mov ecx, 8
call fcn.18009a960
xor ebp, ebp
cmp rax, rbp
je 0x18008790f
lea rcx, [rsp + 0x58]
mov qword [rax], rcx
jmp 0x180087912
mov rax, rbp
mov qword [rsp + 0x58], rax
mov qword [rsp + 0x70], rbp
mov qword [rsp + 0x78], rbp
mov qword [rsp + 0x80], rbp
mov rdx, rdi
lea rcx, [rsp + 0x58]
call fcn.1800897fc
nop
mov rcx, qword [rsp + 0x78]
sub rcx, qword [rsp + 0x70]
movabs rsi, 0x2aaaaaaaaaaaaaab
mov rax, rsi
imul rcx
sar rdx, 3
mov rax, rdx
shr rax, 0x3f
add rdx, rax
cmp edx, ebp
jg 0x180087974
lea rcx, [rsp + 0x58]
call fcn.1800892b4
xor eax, eax
jmp 0x180087eae
mov qword [rsp + 0x30], rbp
mov dword [rsp + 0x28], 0x8000000
mov dword [rsp + 0x20], 3
xor r9d, r9d
mov edx, 0x80000000
lea r8d, [r9 + 7]
mov rcx, rbx
call qword [0x18010d230]
mov rbx, rax
mov qword [rsp + 0x98], rax
cmp rax, rbp
je 0x180087e8d
cmp rax, 0xffffffffffffffff
je 0x180087e8d
mov dword [rsp + 0x44], ebp
lea rdx, [rsp + 0x44]
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_GetFileSize]
mov r14d, 0xfff
lea r13d, [r14 + 1]
cmp eax, ebp
jne 0x1800879fd
cmp dword [rsp + 0x44], ebp
jne 0x180087a02
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_CloseHandle]
nop
lea rcx, [rsp + 0x58]
call fcn.1800892b4
xor eax, eax
jmp 0x180087eae
cmp eax, r13d
jae 0x180087a0c
cmp dword [rsp + 0x44], ebp
jbe 0x180087abb
mov byte [rsp + 0x100], bpl
mov r8, r14
xor edx, edx
lea rcx, [rsp + 0x101]
call fcn.18009e990
mov dword [rsp + 0x48], ebp
mov qword [rsp + 0x20], rbp
lea r9, [rsp + 0x48]
mov r8d, r13d
lea rdx, [rsp + 0x100]
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_ReadFile]
cmp eax, ebp
jne 0x180087a67
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_CloseHandle]
nop
lea rcx, [rsp + 0x58]
call fcn.1800892b4
xor eax, eax
jmp 0x180087eae
movabs rax, 0x706c646f70bfbbef
cmp qword [rsp + 0x100], rax
jne 0x180087aaa
cmp dword [rsp + 0x108], 2
jl 0x180087aaa
cmp dword [rsp + 0x108], 0xa
jg 0x180087aaa
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_CloseHandle]
nop
lea rcx, [rsp + 0x58]
call fcn.1800892b4
xor eax, eax
jmp 0x180087eae
xor r9d, r9d
xor r8d, r8d
xor edx, edx
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_SetFilePointer]
mov qword [rsp + 0x30], rbp
mov dword [rsp + 0x28], 0x8000080
mov dword [rsp + 0x20], 2
xor r9d, r9d
mov edx, 0x40000000
lea r8d, [r9 + 1]
mov rcx, r12
call qword [0x18010d230]
mov rdi, rax
mov qword [rsp + 0xa8], rax
cmp rax, rbp
je 0x180087e60
cmp rax, 0xffffffffffffffff
je 0x180087e60
xor r9d, r9d
xor r8d, r8d
mov edx, r13d
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_SetFilePointer]
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_SetEndOfFile]
mov r11, qword [rsp + 0x78]
mov rcx, qword [rsp + 0x70]
sub r11, rcx
mov rax, rsi
imul r11
sar rdx, 3
mov rax, rdx
shr rax, 0x3f
add rdx, rax
jne 0x180087b4b
call fcn.18009a80c
mov rcx, qword [rsp + 0x70]
mov rdx, rcx
lea rcx, [rsp + 0xd8]
call fcn.18008712c
nop
lea r8, [rsp + 0xe0]
cmp qword [rsp + 0xf8], 0x10
cmovae r8, qword [rsp + 0xe0]
mov edx, r13d
lea rcx, [rsp + 0x100]
call fcn.180086efc
mov byte [rsp + 0x1100], bpl
mov r8, r14
xor edx, edx
lea rcx, [rsp + 0x1101]
call fcn.18009e990
mov dword [rsp + 0x40], ebp
mov dword [rsp + 0x48], ebp
xor eax, eax
mov dword [rsp + 0x4c], eax
mov qword [rsp + 0x20], rbp
lea r9, [rsp + 0x40]
mov r8d, r13d
lea rdx, [rsp + 0x1100]
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_ReadFile]
cmp eax, ebp
je 0x180087d34
mov rsi, qword [rsp + 0x48]
mov eax, dword [rsp + 0x40]
cmp eax, ebp
jbe 0x180087d34
mov r8d, eax
cmp eax, r13d
je 0x180087c02
and r8d, 0xfffffe00
test eax, 0x1ff
je 0x180087c02
add r8d, 0x200
cmp r8d, ebp
jbe 0x180087c80
lea r10, [rsp + 0x1100]
lea r11d, [r8 - 1]
shr r11d, 4
inc r11d
mov rax, rsi
cqo
and rdx, r14
add rax, rdx
and rax, r14
sub rax, rdx
mov r9, rax
cqo
and edx, 0x3ffff
add rax, rdx
and eax, 0x3ffff
sub rax, rdx
shl eax, 4
mov ecx, eax
add rcx, qword [0x18010c0a8]
mov rax, qword [rcx]
xor qword [r10], rax
mov rax, qword [rcx + 8]
xor qword [r10 + 8], rax
mov rax, qword [rsp + r9 + 0x100]
xor qword [r10], rax
mov rax, qword [rsp + r9 + 0x108]
xor qword [r10 + 8], rax
add rsi, 0x10
add r10, 0x10
sub r11, 1
jne 0x180087c1a
mov dword [rsp + 0x48], ebp
mov qword [rsp + 0x20], rbp
lea r9, [rsp + 0x48]
lea rdx, [rsp + 0x1100]
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_WriteFile]
cmp eax, ebp
je 0x180087cdd
mov r8, r13
xor edx, edx
lea rcx, [rsp + 0x1100]
call fcn.18009e990
mov qword [rsp + 0x20], rbp
lea r9, [rsp + 0x40]
mov r8d, r13d
lea rdx, [rsp + 0x1100]
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_ReadFile]
cmp eax, ebp
jne 0x180087bd9
jmp 0x180087d34
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_CloseHandle]
mov rcx, r12
call qword [sym.imp.KERNEL32.dll_DeleteFileW]
nop
cmp qword [rsp + 0xf8], 0x10
jb 0x180087d08
mov rcx, qword [rsp + 0xe0]
call fcn.18009a864
mov esi, 0xf
mov qword [rsp + 0xf8], rsi
mov qword [rsp + 0xf0], rbp
mov byte [rsp + 0xe0], bpl
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_CloseHandle]
nop
jmp 0x180087e52
mov dword [rsp + 0x50], ebp
lea rdx, [rsp + 0x8c]
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [rsp + 0x88], eax
lea rdx, [rsp + 0x94]
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_GetFileSize]
mov dword [rsp + 0x90], eax
mov esi, 0xf
mov qword [rsp + 0xd0], rsi
mov qword [rsp + 0xc8], rbp
mov byte [rsp + 0xb8], bpl
lea r8d, [rsi - 0xc]
lea rdx, [0x1800d6384]
lea rcx, [rsp + 0xb0]
call fcn.18000f0f0
lea r11, [rsp + 0xd8]
mov qword [rsp + 0x28], r11
lea rax, [rsp + 0xb0]
mov qword [rsp + 0x20], rax
mov r9, qword [rsp + 0x90]
mov r8, qword [rsp + 0x88]
lea rdx, [rsp + 0x58]
lea rcx, [rsp + 0x2100]
call fcn.1800872b4
xor r9d, r9d
xor r8d, r8d
xor edx, edx
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_SetFilePointer]
mov qword [rsp + 0x20], rbp
lea r9, [rsp + 0x50]
mov r8d, r13d
lea rdx, [rsp + 0x2100]
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_WriteFile]
mov r12d, eax
cmp qword [rsp + 0xf8], 0x10
jb 0x180087e23
mov rcx, qword [rsp + 0xe0]
call fcn.18009a864
mov qword [rsp + 0xf8], rsi
mov qword [rsp + 0xf0], rbp
mov byte [rsp + 0xe0], bpl
mov rcx, rdi
call qword [sym.imp.KERNEL32.dll_CloseHandle]
nop
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_CloseHandle]
nop
mov ebp, r12d
lea rcx, [rsp + 0x58]
call fcn.1800892b4
mov eax, ebp
jmp 0x180087eae
cmp rax, 0xffffffffffffffff
je 0x180087e75
cmp rax, rbp
je 0x180087e75
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_CloseHandle]
nop
mov rcx, rbx
call qword [sym.imp.KERNEL32.dll_CloseHandle]
nop
lea rcx, [rsp + 0x58]
call fcn.1800892b4
xor eax, eax
jmp 0x180087eae
cmp rax, 0xffffffffffffffff
je 0x180087ea2
cmp rax, rbp
je 0x180087ea2
mov rcx, rax
call qword [sym.imp.KERNEL32.dll_CloseHandle]
nop
lea rcx, [rsp + 0x58]
call fcn.1800892b4
xor eax, eax
mov rcx, qword [rsp + 0x3100]
xor rcx, rsp
call fcn.180099fe0
add rsp, 0x3110
pop r14
pop r13
pop r12
pop rdi
pop rsi
pop rbp
pop rbx
ret