SEKOIA_Tool_Nssm_Strings

rule SEKOIA_Tool_Nssm_Strings : FILE
{
	meta:
		description = "Detects nssm tool"
		author = "Sekoia.io"
		id = "fab99d44-6494-4bfc-80c0-67c45bad0425"
		date = "2024-09-06"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/tool_nssm_strings.yar#L1-L22"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		hash = "beceae2fdc4f7729a93e94ac2ccd78cc"
		logic_hash = "ca883f3ed9f510cbcd9b96ad167e9d6725341c311b023f22edcba721e801f07d"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "nssm start <servicename>" wide
		$ = "nssm stop <servicename>" wide
		$ = "nssm restart <servicename>" wide
		$ = "nssm status <servicename>" wide
		$ = "nssm rotate <servicename>" wide

	condition:
		uint16be( 0 ) == 0x4d5a and all of them and filesize < 500KB
}