rule IndiaCharlie_One { meta: copyright = "2015 Novetta Solutions" author = "Novetta Threat Research & Interdiction Group - trig@novetta.com" strings: $ = "WMPNetworkSvcUpdate" $ = "backSched.dll" $ = "\\mspaint.exe" $aesKey = "X,LLIe{))%%l2i<[AM|aq!Ql/lPlw]d7@C-#j.<c|#*}Kx4_H(q^F-F^p/[t#%HT" condition: 2 of them or $aesKey } rule IndiaCharlie_Two { meta: copyright = "2015 Novetta Solutions" author = "Novetta Threat Research & Interdiction Group - trig@novetta.com" strings: $s1 = "%s is an essential element in Windows System configuration and management. %s" $s2 = "%SYSTEMROOT%\\system32\\svchost.exe -k " $s3 = "%s\\system32\\%s" $s4 = "\\mspaint.exe" $s5 = ":R\nIF NOT EXIST %s GOTO E\ndel /a %s\nGOTO R\n:E\ndel /a d.bat" $aesKey = "}[eLkQAeEae0t@h18g!)3x-RvE%+^`n.6^()?+00ME6a&F7vcV}`@.dj]&u$o*vX" condition: 3 of ($s*) or $aesKey }