rule Trojan_Hastati { meta: author = "Fireeye" description = "Korean campaign" reference = "https://www.fireeye.com/blog/technical/botnet-activities-research/2013/03/more-insights-on-the-recent-korean-cyber-attacks-trojan-hastati.html" strings: $str11 = "taskkill /F /IM clisvc.exe" nocase ascii wide $str2 = "taskkill /F /IM pasvc.exe" nocase ascii wide $str3 = "shutdown -r -t 0″ nocase ascii wide condition: all of them }