Function at 0x51a340
Capabilities:
Connect socket
Connect udp socket
Create udp socket

Disassembly:
push ebp
mov ebp, esp
push 0xffffffffffffffff
push 0x5d3e50
mov eax, dword fs:[0]
push eax
mov dword fs:[0], esp
sub esp, 0x7c
push ebx
push esi
mov esi, ecx
push edi
mov ecx, 0xff
xor eax, eax
lea ebx, [esi + 0x3538]
mov dword [ebp - 0x10], esp
mov edi, ebx
push str.recv___PASV
rep stosd dword es:[edi], eax
stosw word es:[edi], ax
push ebx
mov ecx, esi
mov dword [ebp - 0x48], esi
mov dword [ebp - 4], 0
stosb byte es:[edi], al
call fcn.00518ee0
test eax, eax
jne 0x51a7c2
push str.Reply_on_PASV:_n
mov ecx, esi
call fcn.005133a0
push ebx
mov ecx, esi
call fcn.005133a0
cmp byte [ebx], 0x32
je 0x51a454
mov eax, dword [0x692b5c]
push 1
push eax
mov ecx, esi
call fcn.005132d0
mov ecx, dword [esi + 0x30fc]
mov eax, dword [ecx + 0x1dc]
test eax, eax
je 0x51a414
mov ecx, esi
call fcn.0051e4b0
mov dword [esi + 0x7c], 0xe
mov ecx, dword [0x692bec]
push ecx
mov ecx, dword [esi + 0x8c]
call fcn.00518410
mov edx, dword [esi + 0x30fc]
mov eax, 0x755a
mov dword [edx + 0xf8], eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [esi + 0x311c]
test eax, eax
jne 0x51a42f
push 2
call fcn.00522ca0
mov dword [esi + 0x311c], 2
mov ecx, esi
call fcn.0051ac20
test eax, eax
jne 0x51a7c2
mov eax, 0x753a
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
mov eax, dword [esi + 0x311c]
mov ebx, 1
test eax, eax
jne 0x51a475
mov ecx, dword [esi + 0x30fc]
push ebx
call fcn.00522ca0
mov dword [esi + 0x311c], ebx
mov eax, dword [0x692b58]
push ebx
push eax
mov ecx, esi
call fcn.005132d0
lea edi, [esi + 0x353c]
mov al, byte [edi]
test al, al
jne 0x51a4d2
mov ecx, dword [0x692c10]
push ebx
push ecx
mov ecx, esi
call fcn.005132d0
mov edx, dword [0x692c10]
mov ecx, dword [esi + 0x8c]
push edx
call fcn.00518410
mov ecx, dword [esi + 0x30fc]
mov eax, 0x754f
mov dword [ecx + 0xf8], eax
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
movsx edx, al
push edx
call fcn.00591d8c
add esp, 4
test eax, eax
je 0x51a794
lea eax, [ebp - 0x38]
lea ecx, [ebp - 0x34]
push eax
lea edx, [ebp - 0x30]
push ecx
lea eax, [ebp - 0x2c]
push edx
lea ecx, [ebp - 0x28]
push eax
lea edx, [ebp - 0x24]
push ecx
push edx
push str._u__u__u__u__u__u
push edi
call fcn.005931bc
add esp, 0x20
cmp eax, 6
jne 0x51a794
push str.Extracting_address_OK_n
mov ecx, esi
call fcn.005133a0
mov eax, dword [esi + 0x30f0]
cmp eax, 0xffffffff
je 0x51a53c
push eax
call sub.WSOCK32.dll_closesocket
mov dword [esi + 0x30f0], 0xffffffff
push 0
push ebx
push 2
mov dword [ebp - 4], 0
call sub.WSOCK32.dll_socket
cmp eax, 0xffffffff
mov dword [esi + 0x30f0], eax
jne 0x51a5c1
call sub.WSOCK32.dll_WSAGetLastError
mov edi, eax
lea eax, [ebp - 0x88]
push edi
push str.Error_code___ld_n
push eax
call fcn.005920ea
mov ecx, dword [0x692c08]
add esp, 0xc
push ebx
push ecx
mov ecx, esi
call fcn.005132d0
lea edx, [ebp - 0x88]
mov ecx, esi
push edx
call fcn.005133a0
mov eax, dword [0x692c08]
mov ecx, dword [esi + 0x8c]
push eax
call fcn.00518410
mov ecx, dword [esi + 0x30fc]
mov eax, edi
mov dword [ecx + 0xf8], edi
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
lea edx, [ebp - 0x20]
mov dword [ebp - 0x20], ebx
push edx
push 0x8004667e
push eax
call sub.WSOCK32.dll_ioctlsocket
lea edi, [esi + 0x3104]
xor eax, eax
mov ecx, edi
mov dl, byte [ebp - 0x24]
push ebx
mov dword [ecx], eax
mov dword [ecx + 4], eax
mov dword [ecx + 8], eax
mov dword [ecx + 0xc], eax
mov al, byte [ebp - 0x28]
mov cl, byte [ebp - 0x2c]
mov word [edi], 2
mov byte [esi + 0x3108], dl
mov dl, byte [ebp - 0x30]
mov byte [esi + 0x3109], al
mov al, byte [ebp - 0x34]
mov byte [esi + 0x310a], cl
mov cl, byte [ebp - 0x38]
mov byte [esi + 0x310b], dl
mov byte [esi + 0x3106], al
mov byte [esi + 0x3107], cl
mov edx, dword [0x692ba4]
push edx
mov ecx, esi
call fcn.005132d0
mov eax, dword [esi + 0xd4]
test eax, eax
je 0x51a696
mov bl, byte [eax + 0x144]
test bl, bl
mov byte [ebp - 0x11], bl
je 0x51a69d
mov eax, dword [eax + 0x130]
lea ecx, [ebp - 0x3c]
push 1
push ecx
push eax
mov ecx, esi
call fcn.00513530
test eax, eax
jne 0x51a7c2
mov edx, dword [ebp - 0x3c]
mov eax, dword [esi + 0xd4]
mov dword [ebp - 0x64], edx
mov word [ebp - 0x68], 2
mov ecx, dword [eax + 0x134]
push ecx
call sub.WSOCK32.dll_htons
mov word [ebp - 0x66], ax
mov eax, dword [esi + 0x30f0]
lea edx, [ebp - 0x68]
push 0x10
push edx
push eax
jmp 0x51a6a7
mov byte [ebp - 0x11], 0
mov bl, byte [ebp - 0x11]
mov ecx, dword [esi + 0x30f0]
push 0x10
push edi
push ecx
call sub.WSOCK32.dll_connect
lea edi, [esi + 0x32c]
push edi
call fcn.00592fdc
mov eax, dword [edi]
mov ecx, dword [esi + 0x320]
mov edi, dword [esi + 0xa0]
add esp, 4
sub eax, ecx
mov dword [esi + 0x338], eax
mov dword [ebp - 0x18], eax
je 0x51a76d
mov ebx, dword [edi + 0x3f8]
test ebx, ebx
mov dword [ebp - 0x40], ebx
je 0x51a743
fild dword [ebp - 0x40]
lea edx, [ebx + 1]
mov dword [ebp - 0x40], edx
fstp qword [ebp - 0x50]
fild dword [ebp - 0x18]
fstp qword [ebp - 0x1c]
fild dword [ebp - 0x40]
fst qword [ebp - 0x44]
fld qword [ebp - 0x50]
fmul qword [edi + 0x3c8]
fadd qword [ebp - 0x1c]
fdivrp st(1)
fst qword [ebp - 0x58]
fstp qword [edi + 0x3c8]
fld qword [ebp - 0x1c]
fsub qword [ebp - 0x58]
fld qword [0x603960]
call fcn.00593a90
fdiv qword [ebp - 0x44]
fld qword [ebp - 0x50]
fmul qword [edi + 0x3d8]
fdiv qword [ebp - 0x44]
faddp st(1)
fstp qword [edi + 0x3d8]
fld qword [ebp - 0x1c]
jmp 0x51a74c
fild dword [ebp - 0x18]
fst qword [edi + 0x3c8]
fcom qword [edi + 0x3e8]
fnstsw ax
test ah, 0x41
jne 0x51a761
fstp qword [edi + 0x3e8]
jmp 0x51a763
fstp st(0)
inc ebx
mov dword [edi + 0x3f8], ebx
mov bl, byte [ebp - 0x11]
mov ecx, esi
call fcn.00514da0
neg bl
sbb ebx, ebx
and ebx, 0x19
add ebx, 8
xor eax, eax
mov dword [esi + 0x7c], ebx
mov ecx, dword [ebp - 0xc]
mov dword fs:[0], ecx
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
inc edi
jmp 0x51a489
mov ecx, dword [ebp - 0xc]
pop edi
pop esi
mov dword fs:[0], ecx
pop ebx
mov esp, ebp
pop ebp
ret