33 lines
553 B
Text
33 lines
553 B
Text
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rule LOCKBIT_Note_PE_v1
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{
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meta:
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reference = "https://www.mandiant.com/resources/unc2165-shifts-to-evade-sanctions"
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strings:
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$onion = /http:\/\/lockbit[a-z0-9]{9,49}.onion/ ascii wide
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$note1 = "restore-my-files.txt" nocase ascii wide
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$note2 = /lockbit[_-](ransomware|note)\.hta/ nocase ascii wide
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$v2 = "LockBit_2_0_Ransom" nocase wide
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condition:
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(uint16(0) == 0x5A4D) and (uint32(uint32(0x3C)) == 0x00004550)
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and $onion
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and (all of ($note*)) and not $v2
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}
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