Common Information
Type Value
Value
rule CISA_10400779_06 : credential_harvester ZIMBRA {
	meta:
		Author = "CISA Code & Media Analysis"
		Incident = "10400779"
		Date = "2022-08-29"
		Last_Modified = "20220908_1400"
		Actor = "n/a"
		Category = "Credential-Harvester"
		Family = "ZIMBRA"
		Description = "Detects ZIMBRA bash file samples"
		MD5 = "ab28345b8aba13ae82f8bc0694f15804"
		SHA256 = "d335d7e3a0ac77e132e9ea839591fa81f67cd8eef136ec6586a1d6b1f29e18f1"
	strings:
		$s0 = "/opt/zimbra/bin/zmlocalconfig"
		$s1 = { 7A 69 6D 62 72 61 5F 6C 64 61 70 5F 70 61 73 73 77 6F 72 64 }
		$s2 = { 7A 69 6D 62 72 61 5F 6C 64 61 70 5F 75 73 65 72 }
		$s3 = { 7A 69 6D 62 72 61 5F 6C 64 61 70 5F 75 73 65 72 64 6E }
		$s4 = { 6C 64 61 70 5F 75 72 6C }
		$s5 = { 2D 73 20 7C 20 67 72 65 70 }
		$s6 = { 6C 64 61 70 73 65 61 72 63 68 }
		$s7 = { 75 73 65 72 73 2E 6C 64 69 66 }
		$s8 = { 63 6F 6E 66 69 67 2E 6C 64 69 66 }
		$s9 = { 73 65 72 76 69 63 65 2E 6C 64 69 66 }
		$s10 = { 72 6D 20 2D 72 66 }
		$s11 = { 2F 74 6D 70 2F 7A 69 6D 62 72 61 }
		$s12 = { 74 65 73 74 2E 73 68 }
		$s13 = { 74 65 73 74 2E 6A 73 70 }
	condition:
		filesize < 10KB and all of them
}
Category
Type Yara Rule
Misp Type
Description
Details Published Attributes CTI Title
Details Website 2022-09-27 37 MAR-10400779-1.v1 – Zimbra 1 | CISA
Details Website 2022-09-27 37 MAR-10400779-1.v1 – Zimbra 1 | CISA