Function at 0x1800ca600
Capabilities:
Send data
Send data on socket

Disassembly:
mov qword [rsp + 0x18], rbx
push rbp
push rsi
push rdi
push r14
push r15
lea rbp, [rsp - 0xa0]
sub rsp, 0x1a0
mov rax, qword [0x180119070]
xor rax, rsp
mov qword [rbp + 0x90], rax
mov r15, qword [rcx + 0x10]
lea rax, str.octet
xor esi, esi
lea r14, str.netascii
mov rbx, rcx
cmp byte [r15 + 0x12f8], sil
cmove r14, rax
cmp edx, 7
ja case.0x1800c9fbc.1
lea r8, [0x180000000]
movsxd rax, edx
mov ecx, dword [r8 + rax*4 + 0xca4e0]
add rcx, r8
jmp rcx
inc dword [rbx + 0x20]
mov eax, dword [rbx + 0x20]
cmp eax, dword [rbx + 0x28]
jle 0x1800c9fdd
mov dword [rbx + 8], 0xffffff9e
xor eax, eax
mov dword [rbx], 3
jmp 0x1800ca4b7
mov rax, qword [rbx + 0x158]
cmp byte [r15 + 0xb35], sil
mov byte [rax], sil
mov rax, qword [rbx + 0x158]
je 0x1800ca028
mov byte [rax + 1], 2
mov rcx, qword [rbx + 0x158]
mov rax, qword [rbx + 0x10]
add rcx, 4
mov qword [rax + 0x1a8], rcx
mov rdx, qword [r15 + 0x11a8]
cmp rdx, 0xffffffffffffffff
je 0x1800ca02c
mov rcx, r15
call fcn.1800aeb50
jmp 0x1800ca02c
mov byte [rax + 1], 1
mov rax, qword [rbx + 0x10]
lea r9, [rsp + 0x40]
mov dword [rsp + 0x28], 4
xor r8d, r8d
mov rcx, r15
mov qword [rsp + 0x20], rsi
mov rdx, qword [rax + 0x1210]
inc rdx
call fcn.1800ce850
mov esi, eax
test eax, eax
jne 0x1800ca4b7
movsxd rdx, dword [rbx + 0x144]
mov rdi, 0xffffffffffffffff
mov rax, rdi
inc rax
cmp byte [r14 + rax], 0
jne 0x1800ca072
mov r9, qword [rsp + 0x40]
mov rcx, rdx
sub rcx, rax
mov rax, rdi
sub rcx, 4
nop
inc rax
cmp byte [r9 + rax], 0
jne 0x1800ca090
cmp rax, rcx
jbe 0x1800ca0c3
lea rdx, str.TFTP_file_name_too_long
mov rcx, r15
call fcn.18009eb00
mov rcx, qword [rsp + 0x40]
call qword [fcn.1800e0570]
mov eax, 0x47
jmp 0x1800ca4b7
mov rcx, qword [rbx + 0x158]
lea r8, str._s_c_s_c
mov qword [rsp + 0x30], 0
add rcx, 2
mov qword [rsp + 0x28], r14
mov qword [rsp + 0x20], 0
call fcn.1800b1460
mov rcx, rdi
inc rcx
cmp byte [r14 + rcx], 0
jne 0x1800ca0f4
mov rdx, qword [rsp + 0x40]
mov rax, rdi
nop word [rax + rax]
cmp byte [rdx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1800ca110
lea r14, [rax + 4]
add r14, rcx
cmp byte [r15 + 0xb1b], 0
jne 0x1800ca404
cmp byte [r15 + 0xb35], 0
je 0x1800ca15e
mov r9, qword [r15 + 0x11a8]
cmp r9, rdi
je 0x1800ca15e
lea r8, str._I64d
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1800b1460
jmp 0x1800ca168
mov eax, Ordinal_50
mov word [rsp + 0x50], ax
movsxd rax, dword [rbx + 0x144]
lea r8, [r14 + 6]
cmp r8, rax
jbe 0x1800ca17f
lea rcx, [rsp + 0x50]
jmp 0x1800ca1d3
mov rdx, qword [rbx + 0x158]
lea rcx, str.tsize
add rdx, r14
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1800ca190
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1800ca1b0
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x1800ca211
mov r9d, dword [rbx + 0x148]
lea r8, [0x1800f7dd4]
mov edx, 0x40
call fcn.1800b1460
mov r9d, dword [rbx + 0x24]
lea r8, [0x1800f7dd4]
mov edx, 0x40
lea rcx, [rsp + 0x50]
call fcn.1800b1460
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1800ca0a6
mov rdx, qword [rbx + 0x158]
add rdx, r8
nop dword [rax + rax]
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1800ca220
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1800ca240
mov r9d, dword [rbx + 0x148]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1800f7dd4]
mov edx, 0x40
call fcn.1800b1460
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x1800ca1eb
mov rdx, qword [rbx + 0x158]
lea rcx, str.blksize
add rdx, rsi
nop dword [rax]
nop dword [rax + rax]
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1800ca2a0
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1800ca2c0
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
lea rcx, [rsp + 0x50]
jbe 0x1800ca304
mov r9d, dword [rbx + 0x24]
lea r8, [0x1800f7dd4]
mov edx, 0x40
call fcn.1800b1460
lea rdx, str.TFTP_buffer_too_small_for_options
jmp 0x1800ca0a6
mov rdx, qword [rbx + 0x158]
add rdx, r8
nop
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1800ca310
lea rcx, [rsp + 0x50]
mov rax, rdi
nop dword [rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1800ca330
mov r9d, dword [rbx + 0x24]
lea rsi, [rax + 1]
add rsi, r8
lea rcx, [rsp + 0x50]
lea r8, [0x1800f7dd4]
mov edx, 0x40
call fcn.1800b1460
movsxd rax, dword [rbx + 0x144]
lea r8, [rsi + 8]
cmp r8, rax
ja 0x1800ca205
mov rdx, qword [rbx + 0x158]
lea rcx, str.timeout
add rdx, rsi
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1800ca381
lea rcx, [rsp + 0x50]
mov rax, rdi
nop word [rax + rax]
cmp byte [rcx + rax + 1], 0
lea rax, [rax + 1]
jne 0x1800ca3a0
lea rcx, [rax + 1]
movsxd rax, dword [rbx + 0x144]
add rcx, r8
cmp rcx, rax
ja 0x1800ca205
mov rdx, qword [rbx + 0x158]
lea rcx, [rsp + 0x50]
add rdx, r8
movzx eax, byte [rcx]
lea rcx, [rcx + 1]
mov byte [rdx], al
lea rdx, [rdx + 1]
test al, al
jne 0x1800ca3d1
lea rax, [rsp + 0x50]
nop word [rax + rax]
cmp byte [rax + rdi + 1], 0
lea rdi, [rdi + 1]
jne 0x1800ca3f0
lea r14, [rdi + 1]
add r14, r8
xor esi, esi
mov rax, qword [r15 + 0x18]
xor r9d, r9d
mov rcx, qword [rbx + 0x18]
mov r8d, r14d
mov rdx, qword [rax + 0x70]
mov eax, dword [rdx + 0x10]
mov dword [rsp + 0x28], eax
mov rax, qword [rdx + 0x20]
mov rdx, qword [rbx + 0x158]
mov qword [rsp + 0x20], rax
call qword [sym.imp.WS2_32.dll_sendto]
movsxd rcx, eax
cmp rcx, r14
je 0x1800ca464
call qword [sym.imp.WS2_32.dll_WSAGetLastError]
mov r8d, 0x100
lea rdx, [rbp - 0x70]
mov ecx, eax
call fcn.1800b3080
mov r8, rax
lea rdx, [0x1800f7de0]
mov rcx, r15
call fcn.18009eb00
mov rcx, qword [rsp + 0x40]
call qword [fcn.1800e0570]
jmp 0x1800ca4b5
mov rcx, rbx
cmp byte [r15 + 0xb35], sil
je 0x1800ca495
call fcn.1800c9680
mov esi, eax
jmp 0x1800ca4b5
mov rcx, rbx
call fcn.1800c9680
mov esi, eax
jmp 0x1800ca4b5
mov rcx, rbx
call fcn.1800c9630
mov esi, eax
jmp 0x1800ca4b5
mov dword [rbx], 3
jmp 0x1800ca4b5
lea rdx, str.tftp_send_first:_internal_error
mov rcx, r15
call fcn.18009eb00
mov eax, esi
mov rcx, qword [rbp + 0x90]
xor rcx, rsp
call fcn.1800dedc0
mov rbx, qword [rsp + 0x1e0]
add rsp, 0x1a0
pop r15
pop r14
pop rdi
pop rsi
pop rbp
ret
sub rsp, 0x28
mov r8d, dword [rcx]
mov r9, qword [rcx + 0x10]
test r8d, r8d
je 0x1800ca667
sub r8d, 1
je 0x1800ca65e
sub r8d, 1
je 0x1800ca655
lea rdx, [0x1800f7de0]
mov rcx, r9
cmp r8d, 1
je 0x1800ca642
lea r8, str.Internal_state_machine_error
call fcn.18009eb00
mov eax, 0x47
add rsp, 0x28
ret
lea r8, str.TFTP_finished
call fcn.18009ec70
xor eax, eax
add rsp, 0x28
ret
add rsp, 0x28
jmp fcn.1800ca7b0
add rsp, 0x28
jmp fcn.1800c9c10
add rsp, 0x28
jmp 0x1800c9f50