19 lines
729 B
Text
19 lines
729 B
Text
rule ContiV2 {
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meta:
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description = "YARA rule for Conti Ransomware v2"
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reference = "http://chuongdong.com/reverse%20engineering/2020/12/15/ContiRansomware/"
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author = "@cPeterr"
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date = "2020-12-15"
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rule_version = "v2"
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malware_type = "ransomware"
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malware_family = "Ransom:W32/Conti"
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tlp = "white"
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strings:
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$str1 = "polzarutu1982@protonmail.com"
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$str2 = "http://m232fdxbfmbrcehbrj5iayknxnggf6niqfj6x4iedrgtab4qupzjlaid.onion"
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$str3 = "expand 32-byte k"
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$string_decryption = { 8a 07 8d 7f 01 0f b6 c0 b9 ?? 00 00 00 2b c8 6b c1 ?? 99 f7 fe 8d 42 7f 99 f7 fe 88 57 ff }
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$compare_size = { ?? ?? 00 00 50 00 }
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condition:
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all of ($str*) and $string_decryption and $compare_size
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}
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