Function at 0x4fb2e0
Capabilities:
Reference http user-agent string

Disassembly:
mov rcx, qword gs:[0x28]
mov rcx, qword [rcx]
lea rax, [rsp - 0x38]
cmp rax, qword [rcx + 0x10]
jbe 0x4fbd6e
sub rsp, 0xb8
mov qword [rsp + 0xb0], rbp
lea rbp, [rsp + 0xb0]
mov rax, qword [rsp + 0xc0]
movzx ecx, word [rax]
test cx, 0x80
jne 0x4fb38c
mov qword [rsp + 0xf0], 0
mov qword [rsp + 0xf8], 0
mov qword [rsp + 0x100], 0
mov qword [rsp + 0x108], 0
mov qword [rsp + 0x110], 0
mov qword [rsp + 0x118], 0
mov qword [rsp + 0x120], 0
mov rbp, qword [rsp + 0xb0]
add rsp, 0xb8
ret
mov rcx, qword [rsp + 0xd0]
cmp rcx, 2
jl 0x4fb328
mov rdx, qword [rsp + 0xc8]
movzx ebx, byte [rdx]
cmp bl, 0x5c
jne 0x4fb328
movzx ebx, byte [rdx + 1]
cmp bl, 0x70
je 0x4fb3c0
cmp bl, 0x50
jne 0x4fb328
cmp bl, 0x50
jne 0x4fbd62
mov rbx, 0xffffffffffffffff
mov qword [rsp + 0x50], rbx
lea rsi, [rcx - 3]
sar rsi, 0x3f
xor rsi, 0xffffffffffffffff
and rsi, 2
add rsi, rdx
mov qword [rsp], rsi
lea rsi, [rcx - 2]
mov qword [rsp + 8], rsi
call fcn.004fdd90
mov eax, dword [rsp + 0x10]
mov rcx, qword [rsp + 0x30]
mov rdx, qword [rsp + 0x28]
mov rbx, qword [rsp + 0x20]
mov rsi, qword [rsp + 0x18]
test rdx, rdx
jne 0x4fbd06
cmp eax, 0x7b
je 0x4fba0f
mov rax, qword [rsp + 0xd0]
mov rcx, rax
sub rax, rbx
cmp rax, rcx
ja 0x4fba08
cmp rax, 2
jb 0x4fba01
lea rcx, [rax - 3]
sar rcx, 0x3f
xor rcx, 0xffffffffffffffff
and rcx, 2
mov rdx, qword [rsp + 0xc8]
add rcx, rdx
lea rdi, [rax - 2]
mov qword [rsp + 0x58], rax
mov qword [rsp + 0x70], rsi
mov qword [rsp + 0x48], rbx
test rdi, rdi
je 0x4fb9f7
movzx r8d, byte [rcx]
cmp r8b, 0x5e
jne 0x4fb9ed
mov r8, qword [rsp + 0x50]
neg r8
lea r9, [rdi - 2]
sar r9, 0x3f
xor r9, 0xffffffffffffffff
and r9, 1
add rcx, r9
dec rdi
mov qword [rsp + 0x90], rcx
mov qword [rsp + 0x68], rdi
mov qword [rsp + 0x50], r8
cmp rdi, 3
jne 0x4fb882
movzx r9d, byte [rcx]
cmp r9b, 0x41
jne 0x4fb882
movzx r9d, byte [rcx + 1]
cmp r9b, 0x6e
jne 0x4fb882
movzx r9d, byte [rcx + 2]
cmp r9b, 0x79
jne 0x4fb882
mov rcx, qword [0x0088e7c0]
mov rdi, rcx
mov qword [rsp + 0x98], rdi
test rcx, rcx
je 0x4fb77a
mov rax, qword [rsp + 0xc0]
movzx edx, word [rax]
test dx, 1
jne 0x4fb607
test r8, r8
jle 0x4fb5c3
mov rax, qword [rsp + 0xd8]
mov qword [rsp], rax
mov rax, qword [rsp + 0xe0]
mov qword [rsp + 8], rax
mov rax, qword [rsp + 0xe8]
mov qword [rsp + 0x10], rax
mov qword [rsp + 0x18], rcx
call fcn.004fd410
mov rax, qword [rsp + 0x20]
mov rcx, qword [rsp + 0x28]
mov rdx, qword [rsp + 0x30]
mov qword [rsp + 0xf0], rax
mov qword [rsp + 0xf8], rcx
mov qword [rsp + 0x100], rdx
mov rax, qword [rsp + 0x70]
mov qword [rsp + 0x108], rax
mov rax, qword [rsp + 0x48]
mov qword [rsp + 0x110], rax
mov qword [rsp + 0x118], 0
mov qword [rsp + 0x120], 0
mov rbp, qword [rsp + 0xb0]
add rsp, 0xb8
ret
mov rax, qword [rsp + 0xd8]
mov qword [rsp], rax
mov rax, qword [rsp + 0xe0]
mov qword [rsp + 8], rax
mov rax, qword [rsp + 0xe8]
mov qword [rsp + 0x10], rax
mov qword [rsp + 0x18], rcx
call fcn.004fd690
mov rax, qword [rsp + 0x20]
mov rcx, qword [rsp + 0x28]
mov rdx, qword [rsp + 0x30]
jmp 0x4fb569
test rdi, rdi
jne 0x4fb611
jmp 0x4fb521
mov rdx, qword [rax + 0x40]
mov r9, qword [rax + 0x50]
mov qword [rsp], rdx
mov qword [rsp + 8], 0
mov qword [rsp + 0x10], r9
mov qword [rsp + 0x18], rcx
call fcn.004fd410
mov rax, qword [rsp + 0x20]
mov rcx, qword [rsp + 0x28]
mov rdx, qword [rsp + 0x30]
mov qword [rsp], rax
mov qword [rsp + 8], rcx
mov qword [rsp + 0x10], rdx
mov rax, qword [rsp + 0x98]
mov qword [rsp + 0x18], rax
call fcn.004fd410
mov rax, qword [rsp + 0x20]
mov rcx, qword [rsp + 0x28]
mov rdx, qword [rsp + 0x30]
mov rbx, qword [rsp + 0xc0]
mov qword [rbx + 0x48], rcx
mov qword [rbx + 0x50], rdx
mov ecx, dword [0x008b4340]
lea rdx, [rbx + 0x40]
mov qword [rsp + 0xa8], rdx
test ecx, ecx
jne 0x4fb75f
mov qword [rbx + 0x40], rax
mov qword [rsp], rdx
call fcn.004fca80
mov rax, qword [rsp + 8]
mov rcx, qword [rsp + 0x10]
mov rdx, qword [rsp + 0x18]
mov rbx, qword [rsp + 0x50]
test rbx, rbx
jle 0x4fb711
mov rbx, qword [rsp + 0xd8]
mov qword [rsp], rbx
mov rbx, qword [rsp + 0xe0]
mov qword [rsp + 8], rbx
mov rbx, qword [rsp + 0xe8]
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rax
mov qword [rsp + 0x20], rcx
mov qword [rsp + 0x28], rdx
call fcn.004fd100
mov rax, qword [rsp + 0x30]
mov rcx, qword [rsp + 0x38]
mov rdx, qword [rsp + 0x40]
jmp 0x4fb569
mov rbx, qword [rsp + 0xd8]
mov qword [rsp], rbx
mov rbx, qword [rsp + 0xe0]
mov qword [rsp + 8], rbx
mov rbx, qword [rsp + 0xe8]
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rax
mov qword [rsp + 0x20], rcx
mov qword [rsp + 0x28], rdx
call fcn.004fd2c0
mov rax, qword [rsp + 0x30]
mov rcx, qword [rsp + 0x38]
mov rdx, qword [rsp + 0x40]
jmp 0x4fb569
mov qword [rsp], rdx
mov qword [rsp + 8], rax
call fcn.00410240
mov rdx, qword [rsp + 0xa8]
jmp 0x4fb6a1
lea rcx, [0x00696c80]
mov qword [rsp], rcx
call fcn.0040f840
mov rax, qword [rsp + 8]
mov qword [rsp + 0xa0], rax
mov qword [rax + 8], 0x1d
mov ecx, dword [0x008b4340]
test ecx, ecx
jne 0x4fb860
lea rcx, [0x006d7af1]
mov qword [rax], rcx
mov rcx, qword [rsp + 0x58]
mov qword [rax + 0x18], rcx
mov ecx, dword [0x008b4340]
lea rdx, [rax + 0x10]
test ecx, ecx
jne 0x4fb83d
mov rcx, qword [rsp + 0xc8]
mov qword [rax + 0x10], rcx
mov qword [rsp + 0xf0], 0
mov qword [rsp + 0xf8], 0
mov qword [rsp + 0x100], 0
mov qword [rsp + 0x108], 0
mov qword [rsp + 0x110], 0
lea rcx, [0x007e5100]
mov qword [rsp + 0x118], rcx
mov qword [rsp + 0x120], rax
mov rbp, qword [rsp + 0xb0]
add rsp, 0xb8
ret
mov qword [rsp], rdx
mov rcx, qword [rsp + 0xc8]
mov qword [rsp + 8], rcx
call fcn.00410240
mov rax, qword [rsp + 0xa0]
jmp 0x4fb7da
mov qword [rsp], rax
lea rcx, [0x006d7af1]
mov qword [rsp + 8], rcx
call fcn.00410240
mov rax, qword [rsp + 0xa0]
jmp 0x4fb7b7
lea r9, [0x00682f80]
mov qword [rsp], r9
mov r10, qword [0x00896b00]
mov qword [rsp + 8], r10
mov qword [rsp + 0x10], rcx
mov qword [rsp + 0x18], rdi
call fcn.0040b3f0
mov rax, qword [rsp + 0x20]
mov rax, qword [rax]
mov qword [rsp + 0x78], rax
test rax, rax
je 0x4fb91b
lea rcx, [0x00682f80]
mov qword [rsp], rcx
mov rcx, qword [0x00896b08]
mov qword [rsp + 8], rcx
mov rcx, qword [rsp + 0x90]
mov qword [rsp + 0x10], rcx
mov rcx, qword [rsp + 0x68]
mov qword [rsp + 0x18], rcx
call fcn.0040b3f0
mov rax, qword [rsp + 0x20]
mov rdi, qword [rax]
mov rax, qword [rsp + 0x58]
mov rdx, qword [rsp + 0xc8]
mov rbx, qword [rsp + 0x48]
mov rsi, qword [rsp + 0x70]
mov r8, qword [rsp + 0x50]
mov rcx, qword [rsp + 0x78]
jmp 0x4fb4fa
lea rax, [0x00682f80]
mov qword [rsp], rax
mov rcx, qword [0x00896b20]
mov qword [rsp + 8], rcx
mov rcx, qword [rsp + 0x90]
mov qword [rsp + 0x10], rcx
mov rdx, qword [rsp + 0x68]
mov qword [rsp + 0x18], rdx
call fcn.0040b3f0
mov rax, qword [rsp + 0x20]
mov rax, qword [rax]
mov qword [rsp + 0x80], rax
test rax, rax
jne 0x4fb989
mov rax, qword [rsp + 0x58]
mov rdx, qword [rsp + 0xc8]
mov rbx, qword [rsp + 0x48]
mov rsi, qword [rsp + 0x70]
mov r8, qword [rsp + 0x50]
xor ecx, ecx
mov rdi, rcx
jmp 0x4fb4fa
lea rcx, [0x00682f80]
mov qword [rsp], rcx
mov rcx, qword [0x00896b10]
mov qword [rsp + 8], rcx
mov rcx, qword [rsp + 0x90]
mov qword [rsp + 0x10], rcx
mov rcx, qword [rsp + 0x68]
mov qword [rsp + 0x18], rcx
call fcn.0040b3f0
mov rax, qword [rsp + 0x20]
mov rdi, qword [rax]
mov rax, qword [rsp + 0x58]
mov rdx, qword [rsp + 0xc8]
mov rbx, qword [rsp + 0x48]
mov rsi, qword [rsp + 0x70]
mov r8, qword [rsp + 0x50]
mov rcx, qword [rsp + 0x80]
jmp 0x4fb4fa
mov r8, qword [rsp + 0x50]
jmp 0x4fb4a8
mov r8, qword [rsp + 0x50]
jmp 0x4fb4a8
call fcn.00429450
ud2
call fcn.00429450
ud2
mov rax, qword [rsp + 0xc8]
mov qword [rsp], rax
mov rcx, qword [rsp + 0xd0]
mov qword [rsp + 8], rcx
mov dword [rsp + 0x10], 0x7d
call fcn.004c5610
mov rax, qword [rsp + 0x18]
test rax, rax
jl 0x4fbb6e
lea rcx, [rax + 1]
mov qword [rsp + 0x58], rcx
mov rdx, qword [rsp + 0xd0]
cmp rcx, rdx
ja 0x4fbb67
mov rbx, rdx
sub rdx, rcx
mov qword [rsp + 0x48], rdx
lea rsi, [rdx - 1]
sar rsi, 0x3f
xor rsi, 0xffffffffffffffff
and rsi, rcx
mov rdi, qword [rsp + 0xc8]
add rsi, rdi
mov qword [rsp + 0x70], rsi
cmp rax, 3
jb 0x4fbb60
cmp rax, rbx
ja 0x4fbb60
lea rbx, [rax - 4]
sar rbx, 0x3f
xor rbx, 0xffffffffffffffff
and rbx, 3
add rbx, rdi
mov qword [rsp + 0x88], rbx
mov qword [rsp], rbx
add rax, 0xfffffffffffffffd
mov qword [rsp + 0x60], rax
mov qword [rsp + 8], rax
call fcn.004fdc10
mov rax, qword [rsp + 0x10]
mov rcx, qword [rsp + 0x18]
test rax, rax
jne 0x4fbb04
mov rdx, qword [rsp + 0xc8]
mov rdi, qword [rsp + 0x60]
mov rcx, qword [rsp + 0x88]
mov rax, qword [rsp + 0x58]
mov rsi, qword [rsp + 0x70]
mov rbx, qword [rsp + 0x48]
jmp 0x4fb464
mov qword [rsp + 0xf0], 0
mov qword [rsp + 0xf8], 0
mov qword [rsp + 0x100], 0
mov qword [rsp + 0x108], 0
mov qword [rsp + 0x110], 0
mov qword [rsp + 0x118], rax
mov qword [rsp + 0x120], rcx
mov rbp, qword [rsp + 0xb0]
add rsp, 0xb8
ret
call fcn.00429450
ud2
call fcn.00429450
ud2
mov rax, qword [rsp + 0xc8]
mov qword [rsp], rax
mov rcx, qword [rsp + 0xd0]
mov qword [rsp + 8], rcx
call fcn.004fdc10
mov rax, qword [rsp + 0x18]
mov rcx, qword [rsp + 0x10]
test rcx, rcx
jne 0x4fbcaa
lea rax, [0x00696c80]
mov qword [rsp], rax
call fcn.0040f840
mov rax, qword [rsp + 8]
mov qword [rsp + 0xa0], rax
mov qword [rax + 8], 0x1d
mov ecx, dword [0x008b4340]
test ecx, ecx
jne 0x4fbc88
lea rcx, [0x006d7af1]
mov qword [rax], rcx
mov rcx, qword [rsp + 0xd0]
mov qword [rax + 0x18], rcx
mov ecx, dword [0x008b4340]
lea rdx, [rax + 0x10]
test ecx, ecx
jne 0x4fbc65
mov rcx, qword [rsp + 0xc8]
mov qword [rax + 0x10], rcx
mov qword [rsp + 0xf0], 0
mov qword [rsp + 0xf8], 0
mov qword [rsp + 0x100], 0
mov qword [rsp + 0x108], 0
mov qword [rsp + 0x110], 0
lea rcx, [0x007e5100]
mov qword [rsp + 0x118], rcx
mov qword [rsp + 0x120], rax
mov rbp, qword [rsp + 0xb0]
add rsp, 0xb8
ret
mov qword [rsp], rdx
mov rcx, qword [rsp + 0xc8]
mov qword [rsp + 8], rcx
call fcn.00410240
mov rax, qword [rsp + 0xa0]
jmp 0x4fbc02
mov qword [rsp], rax
lea rcx, [0x006d7af1]
mov qword [rsp + 8], rcx
call fcn.00410240
mov rax, qword [rsp + 0xa0]
jmp 0x4fbbdc
mov qword [rsp + 0xf0], 0
mov qword [rsp + 0xf8], 0
mov qword [rsp + 0x100], 0
mov qword [rsp + 0x108], 0
mov qword [rsp + 0x110], 0
mov qword [rsp + 0x118], rcx
mov qword [rsp + 0x120], rax
mov rbp, qword [rsp + 0xb0]
add rsp, 0xb8
ret
mov qword [rsp + 0xf0], 0
mov qword [rsp + 0xf8], 0
mov qword [rsp + 0x100], 0
mov qword [rsp + 0x108], 0
mov qword [rsp + 0x110], 0
mov qword [rsp + 0x118], rdx
mov qword [rsp + 0x120], rcx
mov rbp, qword [rsp + 0xb0]
add rsp, 0xb8
ret
mov rbx, 1
jmp 0x4fb3d0
call fcn.00452210
jmp fcn.004fb2e0