18 lines
646 B
Text
18 lines
646 B
Text
rule trickbot_maldoc_embedded_dll_september_2020 {
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meta:
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author = "HP-Bromium Threat Research"
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reference = "https://threatresearch.ext.hp.com/detecting-a-stealthy-trickbot-campaign/"
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date = "2020-10-03"
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sharing = "TLP:WHITE"
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strings:
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$magic = { D0 CF 11 E0 A1 B1 1A E1 }
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$s1 = "EncryptedPackage" wide
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$s2 = "{FF9A3F03-56EF-4613-BDD5-5A41C1D07246}" wide
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$s3 = { FF FF FF FF FF FF FF FF FF FF ( 90 90 | 10 10 | E2 E2 | 17 17 ) FF FF FF FF FF FF FF FF FF FF }
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condition:
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$magic at 0 and
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all of ($s*) and
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(filesize > 500KB and filesize < 1000KB)
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}
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