Common Information
Type Value
Value
rule image_bash {
	strings:
		$imgpng = { 89 50 4E 47 0D 0A }
		$imgjpg = { FF D8 FF }
		$shell = "!/bin/sh"
	condition:
		(($shell) and ($imgpng at 0 or $imgjpg at 0))
}
Category
Type Yara Rule
Misp Type
Description
Details Published Attributes CTI Title
Details Website 2022-07-15 24 How Watchdog smuggles malware into your network as uninteresting photos