signature-base/yara/gen_metasploit_loader_rsmudge.yar

27 lines
920 B
Plaintext

/*
Yara Rule Set
Author: YarGen Rule Generator
Date: 2016-04-20
Identifier: Metasploit Loader
*/
/* Rule Set ----------------------------------------------------------------- */
rule Metasploit_Loader_RSMudge {
meta:
description = "Detects a Metasploit Loader by RSMudge - file loader.exe"
license = "https://creativecommons.org/licenses/by-nc/4.0/"
author = "Florian Roth"
reference = "https://github.com/rsmudge/metasploit-loader"
date = "2016-04-20"
hash1 = "afe34bfe2215b048915b1d55324f1679d598a0741123bc24274d4edc6e395a8d"
strings:
$s1 = "Could not resolve target" fullword ascii
$s2 = "Could not connect to target" fullword ascii
$s3 = "%s [host] [port]" fullword ascii
$s4 = "ws2_32.dll is out of date." fullword ascii
$s5 = "read a strange or incomplete length value" fullword ascii
condition:
( uint16(0) == 0x5a4d and filesize < 200KB and ( 3 of ($s*) ) ) or ( all of them )
}