Function at 0x18016a1e0
Capabilities:
Send data
Send data on socket

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
sub rsp, 0x150
mov rax, qword [0x180496d00]
xor rax, rsp
mov qword [rsp + 0x140], rax
mov rsi, qword [rcx + 0x10]
mov rbx, rcx
mov ecx, edx
xor edi, edi
sub ecx, 4
je 0x18016a36a
sub ecx, 1
je 0x18016a2f2
sub ecx, 1
je 0x18016a36a
cmp ecx, 1
mov rcx, rsi
je 0x18016a243
mov r8d, edx
lea rdx, str.tftp_tx:_internal_error__event:__i
call fcn.180143220
jmp 0x18016a58f
mov r9d, dword [rbx + 0x20]
lea rdx, str.Timeout_waiting_for_block__d_ACK.__Retries___d
movzx eax, word [rbx + 0x14c]
inc r9d
inc eax
mov dword [rbx + 0x20], r9d
movzx r8d, ax
call fcn.180143310
mov eax, dword [rbx + 0x28]
cmp dword [rbx + 0x20], eax
jle 0x18016a281
mov dword [rbx + 8], 0xffffff9d
mov dword [rbx], 3
jmp 0x18016a58f
mov eax, dword [rbx + 0x138]
lea rdx, [rbx + 0xb8]
mov r8d, dword [rbx + 0x140]
xor r9d, r9d
mov rcx, qword [rbx + 0x18]
add r8d, 4
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rdx
mov rdx, qword [rbx + 0x158]
call qword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x18016a580
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rsp + 0x40]
mov ecx, eax
call fcn.18015b830
mov r8, rax
lea rdx, [0x1803a3b78]
mov rcx, rsi
call fcn.180143220
mov eax, reloc.WS2_32.dll_getservbyname
jmp 0x18016a591
mov dword [rbx], 3
xor r9d, r9d
mov rax, qword [rbx + 0x158]
mov r8d, 4
mov byte [rax], dil
mov rax, qword [rbx + 0x158]
mov byte [rax + 1], 5
movzx edx, word [rbx + 0x14c]
mov rax, qword [rbx + 0x158]
movzx ecx, dx
shr cx, 8
mov byte [rax + 2], cl
lea rcx, [rbx + 0xb8]
mov rax, qword [rbx + 0x158]
mov byte [rax + 3], dl
mov eax, dword [rbx + 0x138]
mov rdx, qword [rbx + 0x158]
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rcx
mov rcx, qword [rbx + 0x18]
call qword [sym.imp.WS2_32.dll_sendto]
mov dword [rbx], 3
jmp 0x18016a58f
cmp edx, 4
jne 0x18016a471
mov rax, qword [rbx + 0x150]
movzx r9d, word [rbx + 0x14c]
movzx r8d, byte [rax + 2]
movzx eax, byte [rax + 3]
shl r8d, 8
or r8d, eax
cmp r8d, r9d
je 0x18016a45c
test r9w, r9w
jne 0x18016a3ae
cmp r8d, 0xffff
je 0x18016a45c
lea rdx, str.Received_ACK_for_block__d__expecting__d
mov rcx, rsi
call fcn.180143310
mov eax, dword [rbx + 0x20]
inc eax
mov dword [rbx + 0x20], eax
cmp eax, dword [rbx + 0x28]
jle 0x18016a3ed
movzx r8d, word [rbx + 0x14c]
lea rdx, str.tftp_tx:_giving_up_waiting_for_block__d_ack
mov rcx, rsi
call fcn.180143220
mov edi, reloc.WS2_32.dll_getservbyname
mov eax, edi
jmp 0x18016a591
mov eax, dword [rbx + 0x138]
lea rcx, [rbx + 0xb8]
mov r8d, dword [rbx + 0x140]
xor r9d, r9d
mov rdx, qword [rbx + 0x158]
add r8d, 4
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rcx
mov rcx, qword [rbx + 0x18]
call qword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x18016a455
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rsp + 0x40]
mov ecx, eax
call fcn.18015b830
mov r8, rax
lea rdx, [0x1803a3b78]
mov rcx, rsi
call fcn.180143220
mov edi, reloc.WS2_32.dll_getservbyname
mov eax, edi
jmp 0x18016a591
xor ecx, ecx
call qword [sym.imp.api_ms_win_crt_time_l1_1_0.dll__time64]
inc word [rbx + 0x14c]
mov qword [rbx + 0x30], rax
jmp 0x18016a47a
mov word [rbx + 0x14c], 1
mov dword [rbx + 0x20], edi
mov rax, qword [rbx + 0x158]
mov byte [rax], dil
mov rax, qword [rbx + 0x158]
mov byte [rax + 1], 3
movzx edx, word [rbx + 0x14c]
mov rax, qword [rbx + 0x158]
movzx ecx, dx
shr cx, 8
mov byte [rax + 2], cl
mov rax, qword [rbx + 0x158]
mov byte [rax + 3], dl
cmp word [rbx + 0x14c], 1
jbe 0x18016a4d0
mov eax, dword [rbx + 0x144]
cmp dword [rbx + 0x140], eax
jl 0x18016a35f
mov rbp, qword [rbx + 0x158]
add rbp, 4
mov dword [rbx + 0x140], edi
nop dword [rax]
nop word [rax + rax]
mov eax, dword [rbx + 0x144]
lea r9, [rsp + 0x38]
sub eax, edi
mov rdx, rbp
movsxd r8, eax
mov rcx, rsi
lea rax, [rsp + 0x30]
mov qword [rsp + 0x20], rax
call fcn.180144490
test eax, eax
jne 0x18016a591
mov edi, dword [rbx + 0x140]
mov rcx, qword [rsp + 0x38]
add edi, ecx
add rbp, rcx
mov dword [rbx + 0x140], edi
cmp edi, dword [rbx + 0x144]
jge 0x18016a53c
test rcx, rcx
jne 0x18016a4f0
mov eax, dword [rbx + 0x138]
lea rcx, [rbx + 0xb8]
mov rdx, qword [rbx + 0x158]
lea r8d, [rdi + 4]
mov dword [rsp + 0x28], eax
xor r9d, r9d
mov qword [rsp + 0x20], rcx
mov rcx, qword [rbx + 0x18]
call qword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x18016a2be
movsxd rax, dword [rbx + 0x140]
add qword [rsi + 0x108], rax
mov rdx, qword [rsi + 0x108]
mov rcx, rsi
call fcn.180159690
xor eax, eax
mov rcx, qword [rsp + 0x140]
xor rcx, rsp
call fcn.1803a0e80
mov rbx, qword [rsp + 0x180]
add rsp, 0x150
pop rdi
pop rsi
pop rbp
ret