Function at 0x18003f900
Capabilities:
Send data
Send data on socket

Disassembly:
mov qword [rsp + 0x10], rbx
mov qword [rsp + 0x18], rsi
push rdi
sub rsp, 0xc0
mov rax, qword [0x1800a40f0]
xor rax, rsp
mov qword [rsp + 0xb0], rax
mov rax, qword [rcx + 0x10]
mov rbx, rcx
mov rdi, qword [rax]
sub edx, 3
je 0x18003fae3
sub edx, 2
je 0x18003fa88
sub edx, 1
je 0x18003fa13
cmp edx, 1
je 0x18003f96e
lea r8, str.tftp_rx:_internal_error
mov rcx, rdi
lea rdx, [0x1800990d4]
call fcn.18001fac0
mov eax, 0x47
jmp 0x18003fbbd
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, rdi
movzx r8d, ax
call fcn.18001fbd0
mov eax, dword [rbx + 0x28]
cmp dword [rbx + 0x20], eax
jle 0x18003f9a9
mov edx, 3
mov dword [rbx + 8], 0xffffff9d
mov dword [rbx], edx
jmp 0x18003fbbb
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 0x18003fbbb
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, Ordinal_133
lea rdx, [rsp + 0x30]
mov ecx, eax
call fcn.1800452b0
mov r8, rax
lea rdx, [0x1800990d4]
mov rcx, rdi
call fcn.18001fac0
mov eax, gethostname
jmp 0x18003fbbd
xor eax, eax
mov word [rcx + 0x48], ax
mov dword [rcx + 0x20], eax
add rcx, 0x170
lea edx, [rax + 4]
call fcn.18003f230
movzx edx, word [rbx + 0x48]
lea rcx, [rbx + 0x170]
call fcn.18003f210
mov eax, dword [rbx + 0x150]
lea rcx, [rbx + 0xd0]
mov rdx, qword [rbx + 0x170]
xor r9d, r9d
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rcx
mov rcx, qword [rbx + 0x18]
lea r8d, [r9 + 4]
call qword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x18003f9df
mov r8d, 1
lea rcx, [rbx + 0x40]
mov dword [rbx], r8d
call fcn.180060534
jmp 0x18003fbbb
mov edx, 5
add rcx, 0x170
call fcn.18003f230
movzx edx, word [rbx + 0x48]
lea rcx, [rbx + 0x170]
call fcn.18003f210
mov eax, dword [rbx + 0x150]
lea rcx, [rbx + 0xd0]
mov rdx, qword [rbx + 0x170]
xor r9d, r9d
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rcx
mov rcx, qword [rbx + 0x18]
lea r8d, [r9 + 4]
call qword [sym.imp.WS2_32.dll_sendto]
mov edx, 3
mov dword [rbx], edx
jmp 0x18003fbbb
add rcx, 0x168
call fcn.18003f1d0
movzx ecx, word [rbx + 0x48]
movzx esi, ax
lea eax, [rcx + 1]
movzx r9d, ax
cmp r9d, esi
jne 0x18003fb09
xor eax, eax
mov dword [rbx + 0x20], eax
jmp 0x18003fb23
cmp ecx, esi
mov r8d, esi
mov rcx, rdi
jne 0x18003fbaf
lea rdx, str.Received_last_DATA_packet_block__d_again._n
call fcn.18001fbd0
mov edx, 4
mov word [rbx + 0x48], si
lea rcx, [rbx + 0x170]
call fcn.18003f230
movzx edx, word [rbx + 0x48]
lea rcx, [rbx + 0x170]
call fcn.18003f210
mov eax, dword [rbx + 0x150]
lea rcx, [rbx + 0xd0]
mov rdx, qword [rbx + 0x170]
xor r9d, r9d
mov dword [rsp + 0x28], eax
mov qword [rsp + 0x20], rcx
mov rcx, qword [rbx + 0x18]
lea r8d, [r9 + 4]
call qword [sym.imp.WS2_32.dll_sendto]
test eax, eax
js 0x18003f9df
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 fcn.180060534
jmp 0x18003fbbb
lea rdx, str.Received_unexpected_DATA_packet_block__d__expecting_block__d_n
call fcn.18001fbd0
xor eax, eax
mov rcx, qword [rsp + 0xb0]
xor rcx, rsp
call fcn.180050590
lea r11, [rsp + 0xc0]
mov rbx, qword [r11 + 0x18]
mov rsi, qword [r11 + 0x20]
mov rsp, r11
pop rdi
ret