Function at 0x1403fc6f0
Capabilities:
Send data
Send data on socket

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rsi
push rdi
sub rsp, 0x140
mov rax, qword [0x140542918]
xor rax, rsp
mov qword [rsp + 0x130], rax
mov rax, qword [rcx + 0x10]
mov rbx, rcx
mov rsi, qword [rax]
sub edx, 3
je 0x1403fc8fc
sub edx, 2
je 0x1403fc88e
sub edx, 1
je 0x1403fc803
cmp edx, 1
je 0x1403fc75e
lea r8, str.tftp_rx:_internal_error
mov rcx, rsi
lea rdx, [0x140464cec]
call fcn.1403d69f0
mov eax, 0x47
jmp 0x1403fc9ef
movzx eax, word [rcx + 0x48]
lea rdx, str.Timeout_waiting_for_block__d_ACK.__Retries___d_n
inc dword [rcx + 0x20]
inc eax
mov r9d, dword [rcx + 0x20]
mov rcx, rsi
movzx r8d, ax
call fcn.1403d6b70
mov eax, dword [rbx + 0x28]
cmp dword [rbx + 0x20], eax
jle 0x1403fc799
mov edx, 3
mov dword [rbx + 8], 0xffffff9d
mov dword [rbx], edx
jmp 0x1403fc9ed
mov eax, dword [rbx + 0x150]
lea rdx, [rbx + 0xd0]
mov rcx, qword [rbx + 0x18]
xor r9d, r9d
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rdx
mov rdx, qword [rbx + 0x170]
lea r8d, [r9 + 4]
call qword [sym.imp.WS2_32.dll_sendto]
test eax, eax
jns 0x1403fc9ed
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rsp + 0x30]
mov ecx, eax
call fcn.1403c0e10
mov r8, rax
lea rdx, [0x140464cec]
mov rcx, rsi
call fcn.1403d69f0
mov eax, reloc.WS2_32.dll_getservbyname
jmp 0x1403fc9ef
xor eax, eax
xor r9d, r9d
mov word [rcx + 0x48], ax
mov dword [rcx + 0x20], eax
mov rax, qword [rcx + 0x170]
lea r8d, [r9 + 4]
mov byte [rax], 0
mov rax, qword [rcx + 0x170]
mov byte [rax + 1], 4
movzx edx, word [rcx + 0x48]
mov rax, qword [rbx + 0x170]
movzx ecx, dx
shr cx, 8
mov byte [rax + 2], cl
lea rcx, [rbx + 0xd0]
mov rax, qword [rbx + 0x170]
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]
test eax, eax
js 0x1403fc7cf
mov r8d, 1
lea rcx, [rbx + 0x40]
mov dword [rbx], r8d
call qword [sym.imp.api_ms_win_crt_time_l1_1_0.dll__time64]
jmp 0x1403fc9ed
mov rax, qword [rcx + 0x170]
xor r9d, r9d
mov byte [rax], 0
lea r8d, [r9 + 4]
mov rax, qword [rcx + 0x170]
mov byte [rax + 1], 5
movzx edx, word [rcx + 0x48]
mov rax, qword [rbx + 0x170]
movzx ecx, dx
shr cx, 8
mov byte [rax + 2], cl
lea rcx, [rbx + 0xd0]
mov rax, qword [rbx + 0x170]
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 edx, 3
mov dword [rbx], edx
jmp 0x1403fc9ed
mov rax, qword [rcx + 0x168]
movzx ecx, word [rcx + 0x48]
movzx edi, byte [rax + 2]
movzx eax, byte [rax + 3]
shl edi, 8
or edi, eax
lea eax, [rcx + 1]
movzx r9d, ax
cmp r9d, edi
jne 0x1403fc927
xor eax, eax
mov dword [rbx + 0x20], eax
jmp 0x1403fc941
cmp ecx, edi
mov r8d, edi
mov rcx, rsi
jne 0x1403fc9e1
lea rdx, str.Received_last_DATA_packet_block__d_again._n
call fcn.1403d6b70
mov word [rbx + 0x48], di
xor r9d, r9d
mov rax, qword [rbx + 0x170]
lea r8d, [r9 + 4]
mov byte [rax], 0
mov rax, qword [rbx + 0x170]
mov byte [rax + 1], 4
movzx edx, word [rbx + 0x48]
mov rax, qword [rbx + 0x170]
movzx ecx, dx
shr cx, 8
mov byte [rax + 2], cl
lea rcx, [rbx + 0xd0]
mov rax, qword [rbx + 0x170]
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]
test eax, eax
js 0x1403fc7cf
movsxd rcx, dword [rbx + 0x15c]
mov edx, 3
movsxd rax, dword [rbx + 0x154]
add rcx, 4
cmp rax, rcx
mov r8d, 1
lea rcx, [rbx + 0x40]
cmovge edx, r8d
mov dword [rbx], edx
call qword [sym.imp.api_ms_win_crt_time_l1_1_0.dll__time64]
jmp 0x1403fc9ed
lea rdx, str.Received_unexpected_DATA_packet_block__d__expecting_block__d_n
call fcn.1403d6b70
xor eax, eax
mov rcx, qword [rsp + 0x130]
xor rcx, rsp
call fcn.14040ff40
lea r11, [rsp + 0x140]
mov rbx, qword [r11 + 0x18]
mov rsi, qword [r11 + 0x20]
mov rsp, r11
pop rdi
ret