15 lines
1.2 KiB
Plaintext
15 lines
1.2 KiB
Plaintext
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rule TrojanDownloader_O97M_Ursnif_PDC_MTB{
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meta:
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description = "TrojanDownloader:O97M/Ursnif.PDC!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,05 00 05 00 05 00 00 "
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strings :
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$a_01_0 = {6d 6f 28 28 72 65 70 6c 61 63 65 28 72 74 72 69 6d 28 68 29 2c 22 22 2c 22 61 22 29 29 29 2c } //1 mo((replace(rtrim(h),"","a"))),
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$a_01_1 = {2c 64 65 73 74 69 6e 61 74 69 6f 6e 3a 3d 61 63 74 69 76 65 73 68 65 65 74 2e 72 61 6e 67 65 28 22 24 61 24 32 22 29 29 2e } //1 ,destination:=activesheet.range("$a$2")).
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$a_01_2 = {3d 68 75 62 62 26 22 22 26 70 61 72 65 67 67 69 61 74 6f 26 22 2c 23 31 2f 71 22 73 68 65 6c 6c 70 72 65 73 69 65 64 65 72 65 65 6e 64 66 75 6e 63 74 69 6f 6e 66 75 6e 63 74 69 6f 6e 68 65 72 6d 75 28 29 } //1 =hubb&""&pareggiato&",#1/q"shellpresiedereendfunctionfunctionhermu()
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$a_01_3 = {3d 73 61 6e 67 75 69 6e 61 6e 74 69 28 6c 65 66 74 28 65 6e 76 69 72 6f 6e 28 61 70 70 34 34 28 22 } //1 =sanguinanti(left(environ(app44("
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$a_01_4 = {64 65 65 65 3d 64 65 65 65 2b 72 72 6e 65 78 74 61 70 70 34 34 3d 64 65 65 65 65 6e 64 66 75 6e 63 74 69 6f 6e } //1 deee=deee+rrnextapp44=deeeendfunction
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condition:
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((#a_01_0 & 1)*1+(#a_01_1 & 1)*1+(#a_01_2 & 1)*1+(#a_01_3 & 1)*1+(#a_01_4 & 1)*1) >=5
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} |