Common Information
Type Value
Value
rule dragos_crashoverride_moduleStrings {
	meta:
		description = "IEC-104 Interaction Module Program Strings"
		author = "Dragos Inc"
	strings:
		$s1 = "IEC-104 client: ip=%s; port=%s; ASDU=%u" ascii wide nocase
		$s2 = " MSTR ->> SLV" ascii wide nocase
		$s3 = " MSTR <<- SLV" ascii wide nocase
		$s4 = "Unknown APDU format !!!" ascii wide nocase
		$s5 = "iec104.log" ascii wide nocase
	condition:
		any of ($s*)
}
Category
Type Yara Rule
Misp Type
Description
Details Published Attributes CTI Title
Details Pdf 2018-09-11 31 CrashOverride_revised091118
Details Website 2017-06-12 37 CrashOverride Malware | CISA