rule shrug2_ransomware {
meta:
description = "Rule to detect Shrug2 ransomware"
author = "Marc Rivero | @seifreed"
reference = "https://blogs.quickheal.com/new-net-ransomware-shrug2/"
strings:
$s1 = "C:\\Users\\Gamer\\Desktop\\Shrug2\\ShrugTwo\\ShrugTwo\\obj\\Debug\\ShrugTwo.pdb" fullword ascii
$s2 = "http://tempacc11vl.000webhostapp.com/" fullword wide
$s4 = "Shortcut for @ShrugDecryptor@.exe" fullword wide
$s5 = "C:\\Users\\" fullword wide
$s6 = "http://clients3.google.com/generate_204" fullword wide
$s7 = "\\Desktop\\@ShrugDecryptor@.lnk" fullword wide
condition:
( uint16(0) == 0x5a4d and filesize < 2000KB ) and all of them
}