modified detection

• 500103tenable_ot_rockwell_CVE-2017-12090.nasl • 1.9
• 500078tenable_ot_rockwell_CVE-2017-14462.nasl • 1.6
• 500208tenable_ot_rockwell_CVE-2017-14467.nasl • 1.6
• 500206tenable_ot_rockwell_CVE-2017-12088.nasl • 1.9
• 500926tenable_ot_wago_CVE-2018-8836.nasl • 1.6
• 500270tenable_ot_rockwell_CVE-2017-14463.nasl • 1.6
• 500075tenable_ot_rockwell_CVE-2017-14468.nasl • 1.6
• 500159tenable_ot_ge_CVE-2018-8867.nasl • 1.8
• 500093tenable_ot_rockwell_CVE-2017-12092.nasl • 1.9
• 501906tenable_ot_dell_CVE-2018-1244.nasl • 1.2
• 501926tenable_ot_dell_CVE-2018-1249.nasl • 1.2
• 500858tenable_ot_schneider_CVE-2018-7790.nasl • 1.10
• 500873tenable_ot_schneider_CVE-2018-7792.nasl • 1.8
• 501919tenable_ot_dell_CVE-2018-1243.nasl • 1.2
• 501191tenable_ot_eaton_CVE-2018-8847.nasl • 1.6
• 501192tenable_ot_eaton_CVE-2018-16158.nasl • 1.3
• 500839tenable_ot_siemens_CVE-2018-15473.nasl • 1.7
• 500870tenable_ot_schneider_CVE-2018-7789.nasl • 1.10
• 500552tenable_ot_schneider_CVE-2018-7795.nasl • 1.13
• 500849tenable_ot_schneider_CVE-2018-7791.nasl • 1.8