33 lines
1.6 KiB
Text
33 lines
1.6 KiB
Text
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rule APT_APT28_Cannon_Trojan_Nov18_1 {
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meta:
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description = "Detects Cannon Trojan used by Sofacy"
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author = "Florian Roth (Nextron Systems)"
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reference = "https://researchcenter.paloaltonetworks.com/2018/11/unit42-sofacy-continues-global-attacks-wheels-new-cannon-trojan/"
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date = "2018-11-20"
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hash1 = "61a1f3b4fb4dbd2877c91e81db4b1af8395547eab199bf920e9dd11a1127221e"
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id = "a60f3e75-8bfe-592e-90d1-321bd86173ac"
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strings:
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$xc1 = { 46 6F 72 6D 31 00 63 61 6E 6E 6F 6E 00 4D 44 61
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74 00 41 55 54 48 }
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$xc2 = { 13 4F 00 53 00 3A 00 20 00 20 00 7B 00 30 00 7D
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00 0A 00 00 17 53 00 44 00 69 00 72 00 3A 00 20
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00 20 00 7B 00 30 00 7D 00 0A 00 00 1B 44 00 6F
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00 6D 00 61 00 69 00 6E 00 3A 00 20 00 20 00 7B
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00 30 00 7D 00 0A 00 00 15 48 00 6F 00 73 00 74
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00 3A 00 20 00 7B 00 30 00 7D 00 0A 00 00 21 43
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00 75 00 72 00 72 00 65 00 6E 00 74 00 55 00 73
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00 72 00 3A 00 20 00 7B 00 30 00 7D 00 0A 00 00
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17 54 00 69 00 6D 00 65 00 5A 00 3A 00 20 00 7B
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00 30 00 7D }
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$x2 = "\\Desktop\\cannon\\obj\\" ascii
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$x3 = "C:\\Users\\Public\\Music\\s.txt" fullword wide
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$s1 = "C:\\Documents and Settings\\All Users\\Documents" fullword wide
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$s2 = "notEncoded - Value here is never used" fullword wide
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$s3 = "Windows NT\\CurrentVersion\\Winlogon\"" fullword wide
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$s4 = "AnswerMessageTraverser`1" fullword ascii
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condition:
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uint16(0) == 0x5a4d and filesize < 1000KB and 1 of ($x*) or 3 of them
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}
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