MALW_MS17-010_WannaCrypt.yar

/*
    This Yara ruleset is under the GNU-GPLv2 license (http://www.gnu.org/licenses/gpl-2.0.html) and open to any user or organization, as    long as you use it under this license.

*/

import "pe"

rule MS17_010_WanaCry_worm {
	meta:
		description = "Worm exploiting MS17-010 and dropping WannaCry Ransomware"
		author = "Felipe Molina (@felmoltor)"
		reference = "https://www.exploit-db.com/exploits/41987/"
		date = "2017/05/12"
	strings:
		$ms17010_str1="PC NETWORK PROGRAM 1.0"
		$ms17010_str2="LANMAN1.0"
		$ms17010_str3="Windows for Workgroups 3.1a"
		$ms17010_str4="__TREEID__PLACEHOLDER__"
		$ms17010_str5="__USERID__PLACEHOLDER__"
		$wannacry_payload_substr1 = "h6agLCqPqVyXi2VSQ8O6Yb9ijBX54j"
		$wannacry_payload_substr2 = "h54WfF9cGigWFEx92bzmOd0UOaZlM"
		$wannacry_payload_substr3 = "tpGFEoLOU6+5I78Toh/nHs/RAP"

	condition:
		all of them
}