26 lines
No EOL
951 B
Text
26 lines
No EOL
951 B
Text
/*
|
|
Yara Rule Set
|
|
Author: Florian Roth
|
|
Date: 2017-07-15
|
|
Identifier: CHAOS
|
|
Reference: https://github.com/tiagorlampert/CHAOS
|
|
*/
|
|
|
|
/* Rule Set ----------------------------------------------------------------- */
|
|
|
|
rule CHAOS_Payload {
|
|
meta:
|
|
description = "Detects a CHAOS back connect payload"
|
|
license = "Detection Rule License 1.1 https://github.com/Neo23x0/signature-base/blob/master/LICENSE"
|
|
author = "Florian Roth (Nextron Systems)"
|
|
reference = "https://github.com/tiagorlampert/CHAOS"
|
|
date = "2017-07-15"
|
|
score = 80
|
|
hash1 = "0962fcfcb1b52df148720c2112b036e75755f09279e3ebfce1636739af9b4448"
|
|
hash2 = "5c3553345f824b7b6de09ccb67d834e428b8df17443d98816471ca28f5a11424"
|
|
id = "5057bc68-9bf8-54b4-88a1-d0c0cba62fa0"
|
|
strings:
|
|
$x1 = { 2F 43 48 41 4F 53 00 02 73 79 6E 63 2F 61 74 6F 6D 69 63 }
|
|
condition:
|
|
( uint16(0) == 0x5a4d and filesize < 15000KB and all of them )
|
|
} |