BB.php

<?php // For highlighting

if (( isset( $_POST['username'] ) && $sqlBlacklist->CheckStringForAttackString( $_POST['username'] ) == true )) {
	$sqlBlacklist->AddBlacklistedIP( djbgijfffi( $_SERVER['REMOTE_ADDR'] ), BLACKLIST_REASON_SQLI );
	baecfadce( 'HTTP/1.0 404 Not Found' );
	exit();
}else {
	if (( isset( $_POST['password'] ) && $sqlBlacklist->CheckStringForAttackString( $_POST['password'] ) == true )) {
		$sqlBlacklist->AddBlacklistedIP( djbgijfffi( $_SERVER['REMOTE_ADDR'] ), BLACKLIST_REASON_SQLI );
		baecfadce( 'HTTP/1.0 404 Not Found' );
		exit();
	}
}
//Function Called

	function CheckStringForAttackString($s_target_string = '') {
		if (@cbjifghahd( $s_target_string ) < 3) return false;

		@chbddcgfc(@behfgfiggh( $s_target_string ));
		$target_string = ;

		if ((((((iiaabihgi( $target_string, 'INSERT ' ) || iiaabihgi( $target_string, 'DROP ' )) || iiaabihgi( $target_string, 'SELECT ' )) || iiaabihgi( $target_string, 'FROM ' )) || iiaabihgi( $target_string, 'DELETE ' )) || iiaabihgi( $target_string, 'UPDATE ' )))
			return true;
		return false;
	}
	
// I'm sure 'iiaabihgi()' is strpos() and 'cbjifghahd()' is strlength()
// I don't know what 'chbddcgfc()' and 'behfgfiggh()' are though I am guessing one is strtouper(). the other function I am not sure.
// edit #1 Found the other function is this

function CheckQueryForSQLi($query_str) {
	if ($query_str){
		if ((bcbfafjahh( $query_str, '\'' ) || bcbfafjahh( $query_str, '"' ))) 
			return true;
	}
	return false;
}