Function at 0x4c72a0
Capabilities:
Reference http user-agent string

Disassembly:
lea r12, [rsp - 0x440]
cmp r12, qword [r14 + 0x10]
jbe 0x4c7932
push rbp
mov rbp, rsp
sub rsp, 0x4b8
mov qword [rsp + 0x648], rdi
mov word [rsp + 0x640], cx
mov qword [rsp + 0x638], rbx
mov qword [rsp + 0x630], rax
mov rdx, rdi
lea rdi, [rsp + 0x5d0]
lea rdi, [rdi - 0x30]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.0046c830
mov rbp, qword [rbp]
mov qword [rsp + 0x620], 0
mov qword [rsp + 0x626], 0
mov r9, qword [rax + 0x50]
mov rdi, r8
mov rax, rbx
mov rbx, rdx
mov rcx, rsi
call r9
test rbx, rbx
jne 0x4c7371
lea rax, [0x0067b400]
mov ebx, 0x500
mov rcx, rbx
nop
call sym.runtime.makeslice
mov qword [rsp + 0x4b0], rax
mov rdx, qword [rsp + 0x630]
test rdx, rdx
je 0x4c73ba
mov rbx, qword [rdx + 8]
mov r9, qword [0x008f6610]
mov r10, qword [r9]
mov r11d, dword [rdx + 0x10]
jmp 0x4c78e5
lea rdi, [rsp + 0x5d0]
lea rdi, [rdi - 0x30]
nop dword [rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.0046c830
mov rbp, qword [rbp]
mov qword [rsp + 0x620], 0
mov qword [rsp + 0x626], 0
mov rax, rbx
mov rbx, rcx
add rsp, 0x4b8
pop rbp
ret
mov rbx, qword [rsp + 0x638]
mov rcx, rax
mov edi, 2
mov esi, 0x500
mov r8, rdi
mov rax, rdx
call sym.io.ReadAtLeast
nop word [rax + rax]
test rbx, rbx
jne 0x4c746f
mov r9, qword [rsp + 0x4b0]
movzx r10d, word [r9]
rol r10w, 8
movzx ecx, r10w
mov qword [rsp + 0x450], rcx
cmp rcx, 0x500
jg 0x4c7416
mov eax, 0x500
jmp 0x4c7433
lea rax, [0x0067b400]
mov rbx, rcx
call sym.runtime.makeslice
mov rcx, qword [rsp + 0x450]
mov r9, rax
mov rax, rcx
cmp rax, rcx
jb 0x4c78db
mov qword [rsp + 0x448], rax
mov qword [rsp + 0x4a8], r9
mov rdx, qword [rsp + 0x630]
test rdx, rdx
je 0x4c74ba
mov rbx, qword [rdx + 8]
mov r10, qword [0x008f6630]
mov r11, qword [r10]
mov edx, dword [rdx + 0x10]
jmp 0x4c7885
lea rdi, [rsp + 0x5d0]
lea rdi, [rdi - 0x30]
nop dword [rax + rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.0046c830
mov rbp, qword [rbp]
mov qword [rsp + 0x620], 0
mov qword [rsp + 0x626], 0
mov rax, rbx
mov rbx, rcx
add rsp, 0x4b8
pop rbp
ret
mov rbx, qword [rsp + 0x638]
mov rdi, rcx
mov rsi, rax
mov r8, rdi
mov rax, rdx
mov rcx, r9
call sym.io.ReadAtLeast
test rbx, rbx
jne 0x4c7822
lea rdi, [rsp + 0x458]
lea rdi, [rdi - 0x30]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.0046c830
mov rbp, qword [rbp]
mov rdx, qword [rsp + 0x448]
cmp rax, rdx
ja 0x4c787a
mov rbx, qword [rsp + 0x4a8]
mov rcx, rax
mov rdi, rdx
lea rax, [rsp + 0x458]
call sym.vendor_golang.org_x_net_dns_dnsmessage._Parser_.Start
mov rdx, qword [rsp + 6]
mov rsi, qword [rsp]
mov qword [rsp + 0x43a], rsi
mov qword [rsp + 0x440], rdx
mov rsi, qword [rsp + 0x43a]
mov qword [rsp + 0x328], rsi
mov qword [rsp + 0x32e], rdx
nop dword [rax + rax]
test rax, rax
jne 0x4c77c2
lea rax, [rsp + 0x458]
call sym.vendor_golang.org_x_net_dns_dnsmessage._Parser_.Question
mov rcx, qword [rsp]
mov qword [rsp + 0x336], rcx
lea rdi, [rsp + 0x33a]
lea rsi, [rsp + 4]
nop word [rax + rax]
nop dword [rax + rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.0046cb00
mov rbp, qword [rbp]
mov rcx, qword [rsp + 0x336]
mov qword [rsp + 0x224], rcx
lea rdi, [rsp + 0x228]
lea rsi, [rsp + 0x33a]
nop word [rax + rax]
nop dword [rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.0046cb00
mov rbp, qword [rbp]
test rax, rax
jne 0x4c7762
mov rcx, qword [rsp + 0x4c8]
mov qword [rsp], rcx
lea rdi, [rsp + 4]
lea rsi, [rsp + 0x4cc]
nop word [rax + rax]
nop
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.0046cb00
mov rbp, qword [rbp]
mov rcx, qword [rsp + 0x328]
mov rdx, qword [rsp + 0x32e]
mov qword [rsp + 0x104], rcx
mov qword [rsp + 0x10a], rdx
mov rcx, qword [rsp + 0x224]
mov qword [rsp + 0x112], rcx
lea rdi, [rsp + 0x116]
lea rsi, [rsp + 0x228]
nop word [rax + rax]
nop dword [rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.0046cb00
mov rbp, qword [rbp]
movzx eax, word [rsp + 0x640]
nop dword [rax + rax]
call sym.net.checkResponse
test al, al
je 0x4c7701
lea rdi, [rsp + 0x5d0]
lea rsi, [rsp + 0x458]
nop dword [rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.0046cb9a
mov rbp, qword [rbp]
mov rcx, qword [rsp + 0x328]
mov rdx, qword [rsp + 0x32e]
mov qword [rsp + 0x620], rcx
mov qword [rsp + 0x626], rdx
xor eax, eax
xor ebx, ebx
add rsp, 0x4b8
pop rbp
nop
ret
lea rdi, [rsp + 0x5d0]
lea rdi, [rdi - 0x30]
nop word [rax + rax]
nop word [rax + rax]
nop
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.0046c830
mov rbp, qword [rbp]
mov qword [rsp + 0x620], 0
mov qword [rsp + 0x626], 0
mov rax, qword [0x008f4fc0]
mov rbx, qword [0x008f4fc8]
add rsp, 0x4b8
pop rbp
ret
lea rdi, [rsp + 0x5d0]
lea rdi, [rdi - 0x30]
nop word [rax + rax]
nop word [rax + rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.0046c830
mov rbp, qword [rbp]
mov qword [rsp + 0x620], 0
mov qword [rsp + 0x626], 0
mov rax, qword [0x008f4f90]
mov rbx, qword [0x008f4f98]
add rsp, 0x4b8
pop rbp
ret
lea rdi, [rsp + 0x5d0]
lea rdi, [rdi - 0x30]
nop word [rax + rax]
nop word [rax + rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.0046c830
mov rbp, qword [rbp]
mov qword [rsp + 0x620], 0
mov qword [rsp + 0x626], 0
mov rax, qword [0x008f4f90]
mov rbx, qword [0x008f4f98]
add rsp, 0x4b8
pop rbp
ret
lea rdi, [rsp + 0x5d0]
lea rdi, [rdi - 0x30]
nop word [rax + rax]
nop word [rax + rax]
mov qword [rsp - 0x10], rbp
lea rbp, [rsp - 0x10]
call fcn.0046c830
mov rbp, qword [rbp]
mov qword [rsp + 0x620], 0
mov qword [rsp + 0x626], 0
mov rax, rbx
mov rbx, rcx
add rsp, 0x4b8
pop rbp
ret
mov rcx, rax
nop dword [rax]
call sym.runtime.panicSliceAcap
mov r12, rdx
and rdx, r11
shl rdx, 4
mov r13, qword [r10 + rdx + 8]
cmp r13, rbx
je 0x4c78d1
lea rdx, [r12 + 1]
nop
test r13, r13
jne 0x4c7885
lea rax, [0x008f6630]
call sym.runtime.typeAssert
mov rcx, qword [rsp + 0x450]
mov r9, qword [rsp + 0x4a8]
mov rdx, rax
mov rax, qword [rsp + 0x448]
jmp 0x4c74ba
mov rdx, qword [r10 + rdx + 0x10]
jmp 0x4c74ba
mov rdx, rax
nop
call sym.runtime.panicSliceAcap
mov r12, r11
and r11, r10
shl r11, 4
mov r13, qword [r9 + r11 + 8]
cmp r13, rbx
je 0x4c7925
lea r11, [r12 + 1]
nop
test r13, r13
jne 0x4c78e5
lea rax, [0x008f6610]
call sym.runtime.typeAssert
mov rdx, rax
mov rax, qword [rsp + 0x4b0]
nop dword [rax]
jmp 0x4c73ba
mov r9, qword [r9 + r11 + 0x10]
mov rdx, r9
jmp 0x4c73ba
mov qword [rsp + 0x170], rax
mov qword [rsp + 0x178], rbx
mov word [rsp + 0x180], cx
mov qword [rsp + 0x188], rdi
mov qword [rsp + 0x190], rsi
mov qword [rsp + 0x198], r8
call sym.runtime.morestack_noctxt.abi0
mov rax, qword [rsp + 0x170]
mov rbx, qword [rsp + 0x178]
movzx ecx, word [rsp + 0x180]
mov rdi, qword [rsp + 0x188]
mov rsi, qword [rsp + 0x190]
mov r8, qword [rsp + 0x198]
jmp sym.net.dnsStreamRoundTrip