Function at 0x10001730
Capabilities:
Encode data using xor
Receive data
Receive data on socket

Disassembly:
push ebp
mov ebp, esp
sub esp, 0xc
push ebx
push esi
push edi
mov esi, eax
mov eax, dword [esi + 0x8000c]
xor edi, edi
push edi
mov ecx, 0x80000
sub ecx, eax
push ecx
lea edx, [eax + esi + 0xc]
mov eax, dword [esi + 4]
push edx
push eax
call dword [sym.imp.WS2_32.dll_recv]
or ebx, 0xffffffff
cmp eax, ebx
jne 0x10001810
mov edi, dword [sym.imp.WS2_32.dll_WSAGetLastError]
call edi
cmp eax, 0x2733
je 0x1000193a
call edi
push eax
lea eax, [ebx + 5]
call fcn.100154d0
push eax
push 0
mov ecx, 0x10125528
call fcn.1000acc0
mov eax, dword [esi + 4]
add esp, 0xc
cmp eax, ebx
je 0x100017a5
push eax
call dword [sym.imp.WS2_32.dll_closesocket]
mov dword [esi + 4], ebx
mov eax, dword [esi + 8]
test eax, eax
je 0x100017ba
push eax
call dword [sym.imp.WS2_32.dll_WSACloseEvent]
mov dword [esi + 8], 0
mov byte [esi + 0x100038], 0
cmp dword [0x1002537c], ebx
je 0x100017d6
cmp byte [0x101253b0], 0
jne 0x10001999
call fcn.10001460
test al, al
je 0x10001999
movzx ecx, word [0x1012a594]
push ecx
push 0x1012a574
mov ecx, 0x10025378
call fcn.100014e0
test al, al
je 0x10001999
call fcn.10002af0
xor al, al
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
add dword [esi + 0x8000c], eax
mov eax, dword [esi + 0x8000c]
cmp eax, 4
jl 0x1000193a
mov al, byte [esi + edi + 0xc]
lea edx, [esi + 0xc]
cmp al, 0xc1
jne 0x1000183b
movzx ebx, byte [edi + esi + 0xd]
mov cl, byte [edi + esi + 0xf]
jmp 0x1000185a
cmp al, 0xc2
jne 0x10001974
movzx ecx, byte [edi + esi + 0xd]
shl cx, 8
movzx ebx, cx
movzx ecx, byte [edi + esi + 0xe]
or ebx, ecx
mov cl, byte [edi + esi + 0x10]
cmp ebx, 4
jl 0x10001943
cmp ebx, 0x80000
jg 0x10001943
cmp ebx, dword [esi + 0x8000c]
jg 0x10001911
cmp al, 0xc1
jne 0x100018ad
mov dl, byte [edi + esi + 0xe]
mov byte [ebp - 4], dl
lea edx, [ebx - 3]
xor eax, eax
lea ecx, [edi + esi + 0xf]
test edx, edx
jle 0x100018d9
mov dl, byte [ecx + eax]
add dl, byte [ebp - 4]
lea ecx, [edi + esi + 0xf]
xor dl, 0xa0
mov byte [ecx + eax], dl
inc eax
lea edx, [ebx - 3]
cmp eax, edx
jl 0x10001893
jmp 0x100018d9
mov cl, byte [edi + esi + 0xf]
lea edx, [ebx - 4]
xor eax, eax
mov byte [ebp - 4], cl
lea ecx, [edi + esi + 0x10]
test edx, edx
jle 0x100018d9
mov dl, byte [ecx + eax]
add dl, byte [ebp - 4]
lea ecx, [edi + esi + 0x10]
xor dl, 0xa0
mov byte [ecx + eax], dl
inc eax
lea edx, [ebx - 4]
cmp eax, edx
jl 0x100018c1
mov al, byte [ecx]
mov edx, dword [esi + 0x100014]
mov byte [ebp - 8], al
mov ecx, dword [ebp - 8]
push ebx
lea eax, [esi + edi + 0xc]
push eax
push ecx
call edx
sub dword [esi + 0x8000c], ebx
add esp, 0xc
add edi, ebx
cmp dword [esi + 0x8000c], 0
jg 0x10001825
mov al, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
test edi, edi
jle 0x1000193a
mov eax, dword [esi + 0x8000c]
test eax, eax
jle 0x1000193a
mov ecx, 0x80000
sub ecx, edi
cmp eax, ecx
jg 0x1000193a
push eax
lea eax, [edi + esi + 0xc]
push eax
push edx
call dword [sym.imp.MSVCR100.dll_memmove]
add esp, 0xc
mov al, 1
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
movzx ecx, cl
push ecx
movzx edx, al
push ebx
push edx
mov eax, 6
call fcn.100154d0
push eax
push 0
mov ecx, 0x10125528
call fcn.1000acc0
add esp, 0x14
call fcn.100016f0
xor al, al
pop edi
pop esi
pop ebx
mov esp, ebp
pop ebp
ret
movzx eax, byte [edi + esi + 0xc]
push eax
mov eax, 5
call fcn.100154d0
push eax
push 0
mov ecx, 0x10125528
call fcn.1000acc0
add esp, 0xc
call fcn.100016f0
pop edi
pop esi
xor al, al
pop ebx
mov esp, ebp
pop ebp
ret