Function at 0x553320
Capabilities:
Send data
Send data on socket

Disassembly:
sub rsp, 0x38
mov rax, qword [rcx + 0x10]
mov qword [rsp + 0x48], rbx
mov rbx, rcx
mov qword [rsp + 0x50], rsi
mov ecx, edx
xor esi, esi
sub ecx, 4
mov qword [rsp + 0x58], rdi
mov rdi, qword [rax]
je 0x55349d
dec ecx
je 0x55342a
dec ecx
je 0x55349d
dec ecx
je 0x553375
mov r8d, edx
lea rdx, str.tftp_tx:_internal_error__event:__i
mov rcx, rdi
call fcn.0052eee0
jmp 0x55367b
mov ax, word [rbx + 0x48]
inc dword [rbx + 0x20]
mov r9d, dword [rbx + 0x20]
inc eax
lea rdx, str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
mov rcx, rdi
movzx r8d, ax
call fcn.0052ede0
mov r11d, dword [rbx + 0x28]
cmp dword [rbx + 0x20], r11d
jle 0x5533b1
mov dword [rbx + 8], 0xffffff9d
mov dword [rbx], 3
jmp 0x55367b
mov eax, dword [rbx + 0x150]
mov r8d, dword [rbx + 0x158]
mov rdx, qword [rbx + 0x170]
lea rcx, [rbx + 0xd0]
mov dword [rsp + 0x28], eax
add r8d, 4
mov qword [rsp + 0x20], rcx
mov rcx, qword [rbx + 0x18]
xor r9d, r9d
call qword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x55366c
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov rcx, qword [rbx + 0x10]
mov edx, eax
call fcn.0052bc00
lea rdx, [0x006a0bd4]
mov rcx, rdi
mov r8, rax
call fcn.0052eee0
mov eax, reloc.WS2_32.dll_getservbyname
mov rdi, qword [rsp + 0x58]
mov rsi, qword [rsp + 0x50]
mov rbx, qword [rsp + 0x48]
add rsp, 0x38
ret
mov dword [rbx], 3
mov rax, qword [rbx + 0x170]
xor r9d, r9d
mov byte [rax], sil
mov rax, qword [rbx + 0x170]
lea r8d, [r9 + 4]
mov byte [rax + 1], 5
movzx edx, word [rbx + 0x48]
mov rax, qword [rbx + 0x170]
movzx ecx, dx
shr cx, 8
mov byte [rax + 2], cl
mov rax, qword [rbx + 0x170]
lea rcx, [rbx + 0xd0]
mov byte [rax + 3], dl
mov eax, dword [rbx + 0x150]
mov rdx, qword [rbx + 0x170]
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 0x55367b
cmp edx, 4
jne 0x5535b1
mov rcx, qword [rbx + 0x168]
movzx r9d, word [rbx + 0x48]
movzx eax, byte [rcx + 2]
shl ax, 8
movzx r8d, ax
movzx eax, byte [rcx + 3]
or r8d, eax
cmp r8d, r9d
je 0x5535a1
test r9w, r9w
jne 0x5534e1
cmp r8d, 0xffff
je 0x5535a1
lea rdx, str.Received_ACK_for_block__d__expecting__d_n
mov rcx, rdi
call fcn.0052ede0
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x55352a
movzx r8d, word [rbx + 0x48]
lea rdx, str.tftp_tx:_giving_up_waiting_for_block__d_ack
mov rcx, rdi
call fcn.0052eee0
mov esi, reloc.WS2_32.dll_getservbyname
mov eax, esi
mov rdi, qword [rsp + 0x58]
mov rsi, qword [rsp + 0x50]
mov rbx, qword [rsp + 0x48]
add rsp, 0x38
ret
mov eax, dword [rbx + 0x150]
mov r8d, dword [rbx + 0x158]
mov rdx, qword [rbx + 0x170]
lea rcx, [rbx + 0xd0]
mov dword [rsp + 0x28], eax
add r8d, 4
mov qword [rsp + 0x20], rcx
mov rcx, qword [rbx + 0x18]
xor r9d, r9d
call qword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x55358b
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov rcx, qword [rbx + 0x10]
mov edx, eax
call fcn.0052bc00
lea rdx, [0x006a0bd4]
mov rcx, rdi
mov r8, rax
call fcn.0052eee0
mov esi, reloc.WS2_32.dll_getservbyname
mov eax, esi
mov rdi, qword [rsp + 0x58]
mov rsi, qword [rsp + 0x50]
mov rbx, qword [rsp + 0x48]
add rsp, 0x38
ret
lea rcx, [rbx + 0x40]
call qword [sym.imp.msvcrt.dll_time]
inc word [rbx + 0x48]
jmp 0x5535b7
mov word [rbx + 0x48], 1
mov dword [rbx + 0x20], esi
mov rax, qword [rbx + 0x170]
mov byte [rax], sil
mov rax, qword [rbx + 0x170]
mov byte [rax + 1], 3
movzx edx, word [rbx + 0x48]
mov rax, qword [rbx + 0x170]
movzx ecx, dx
shr cx, 8
mov byte [rax + 2], cl
mov rax, qword [rbx + 0x170]
mov byte [rax + 3], dl
cmp word [rbx + 0x48], 1
jbe 0x553607
mov eax, dword [rbx + 0x15c]
cmp dword [rbx + 0x158], eax
jl 0x5533a6
mov edx, dword [rbx + 0x15c]
mov rcx, qword [rbx + 0x10]
lea r8, [rbx + 0x158]
call fcn.005670e0
test eax, eax
jne 0x55367d
mov eax, dword [rbx + 0x150]
mov r8d, dword [rbx + 0x158]
mov rdx, qword [rbx + 0x170]
lea rcx, [rbx + 0xd0]
mov dword [rsp + 0x28], eax
add r8d, 4
mov qword [rsp + 0x20], rcx
mov rcx, qword [rbx + 0x18]
xor r9d, r9d
call qword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x5533ee
movsxd rax, dword [rbx + 0x158]
add qword [rdi + 0xb8], rax
mov rdx, qword [rdi + 0xb8]
mov rcx, rdi
call fcn.00545190
xor eax, eax
mov rdi, qword [rsp + 0x58]
mov rsi, qword [rsp + 0x50]
mov rbx, qword [rsp + 0x48]
add rsp, 0x38
ret