18 lines
795 B
Text
18 lines
795 B
Text
rule HeaderTip{
|
|
|
|
meta:
|
|
description = "Detects HeaderTip"
|
|
reference = "https://blogs.blackberry.com/en/2022/04/threat-thursday-headertip-backdoor-shows-attackers-from-china-preying-on-ukraine"
|
|
author = "BlackBerry Threat Research Team"
|
|
date = "2022-04-06-"
|
|
|
|
license = "This Yara rule is provided under the Apache License 2.0 (https://www.apache.org/licenses/LICENSE-2.0) and open to any user or organization, as long as you use it under this license and ensure originator credit in any derivative to The BlackBerry Research & Intelligence Team"
|
|
|
|
strings:
|
|
$s1 = "type %temp%\\officecleaner.dat >> %objfile%"
|
|
$s2 = "product2020.mrbasic.com" wide
|
|
|
|
condition:
|
|
filesize < 750KB and all of them
|
|
|
|
}
|