31 lines
2.4 KiB
Plaintext
31 lines
2.4 KiB
Plaintext
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rule TrojanDownloader_O97M_IcedID_FAB_MTB{
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meta:
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description = "TrojanDownloader:O97M/IcedID.FAB!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 "
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strings :
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$a_01_0 = {3d 20 53 74 72 52 65 76 65 72 73 65 28 55 73 65 72 46 6f 72 6d 31 2e 54 65 78 74 42 6f 78 31 29 } //1 = StrReverse(UserForm1.TextBox1)
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$a_01_1 = {57 69 74 68 20 72 65 6d 6f 76 65 43 6f 6c 6c 65 63 74 69 6f 6e 52 65 71 75 65 73 74 2e 44 6f 63 75 6d 65 6e 74 73 2e 41 64 64 2e 56 42 50 72 6f 6a 65 63 74 2e 56 42 43 6f 6d 70 6f 6e 65 6e 74 73 28 22 54 68 69 73 44 6f 63 75 6d 65 6e 74 22 29 2e 43 6f 64 65 4d 6f 64 75 6c 65 } //1 With removeCollectionRequest.Documents.Add.VBProject.VBComponents("ThisDocument").CodeModule
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$a_01_2 = {3d 20 22 48 4b 45 59 22 20 26 20 63 6f 6e 73 74 57 20 26 20 22 55 53 45 52 5c 53 6f 66 74 22 20 26 20 62 75 66 66 65 72 44 61 74 61 62 61 73 65 20 26 20 22 69 63 65 5c 22 } //1 = "HKEY" & constW & "USER\Soft" & bufferDatabase & "ice\"
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$a_03_3 = {3d 20 52 65 70 6c 61 63 65 28 22 69 74 79 5c 41 63 63 65 73 73 31 4f 4d 22 2c 20 22 31 22 2c 20 22 56 42 22 29 90 0c 02 00 45 6e 64 20 46 75 6e 63 74 69 6f 6e } //1
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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_03_3 & 1)*1) >=4
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}
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rule TrojanDownloader_O97M_IcedID_FAB_MTB_2{
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meta:
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description = "TrojanDownloader:O97M/IcedID.FAB!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,08 00 08 00 08 00 00 "
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strings :
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$a_03_0 = {26 20 22 20 22 20 26 20 [0-06] 20 26 20 22 2c 53 68 6f 77 44 69 61 22 20 2b 20 22 6c 6f 67 41 20 2d 72 22 } //1
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$a_03_1 = {3d 20 22 63 3a 5c 70 72 6f 67 72 61 6d 64 61 74 61 5c [0-06] 2e 70 64 66 22 } //1
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$a_03_2 = {3d 20 4d 69 64 24 28 [0-06] 2c 20 [0-06] 2c 20 [0-06] 29 90 0c 02 00 45 6e 64 20 46 75 6e 63 74 69 6f 6e } //1
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$a_03_3 = {2e 65 78 65 63 20 28 [0-06] 29 90 0c 02 00 27 20 } //1
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$a_03_4 = {50 75 62 6c 69 63 20 43 6f 6e 73 74 20 [0-06] 20 41 73 20 53 74 72 69 6e 67 20 3d 20 22 [0-08] 22 90 0c 02 00 27 20 } //1
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$a_03_5 = {3d 20 53 70 6c 69 74 28 2e 53 68 61 70 65 73 28 31 29 2e 54 69 74 6c 65 2c 20 [0-06] 29 } //1
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$a_03_6 = {53 65 74 20 [0-06] 20 3d 20 43 72 65 61 74 65 4f 62 6a 65 63 74 28 [0-06] 28 [0-03] 29 20 26 20 22 2e 22 20 26 20 [0-06] 28 [0-03] 29 20 26 20 22 72 65 71 75 65 73 74 2e 35 2e 31 22 29 } //1
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$a_03_7 = {2e 53 65 6e 64 90 0c 02 00 27 20 } //1
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condition:
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((#a_03_0 & 1)*1+(#a_03_1 & 1)*1+(#a_03_2 & 1)*1+(#a_03_3 & 1)*1+(#a_03_4 & 1)*1+(#a_03_5 & 1)*1+(#a_03_6 & 1)*1+(#a_03_7 & 1)*1) >=8
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} |