18 lines
1.4 KiB
Plaintext
18 lines
1.4 KiB
Plaintext
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rule TrojanDownloader_O97M_IcedID_CRO_MTB{
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meta:
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description = "TrojanDownloader:O97M/IcedID.CRO!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,08 00 08 00 08 00 00 "
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strings :
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$a_03_0 = {43 72 65 61 74 65 4f 62 6a 65 63 74 28 [0-06] 29 2e 65 78 65 63 20 28 [0-06] 20 26 20 22 20 22 20 26 20 [0-06] 29 90 0c 02 00 45 6e 64 20 53 75 62 } //1
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$a_03_1 = {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 68 22 } //1
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$a_01_2 = {20 3d 20 22 22 } //1 = ""
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$a_03_3 = {20 3d 20 43 68 72 28 [0-07] 29 90 0c 02 00 45 6e 64 20 46 75 6e 63 74 69 6f 6e } //1
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$a_03_4 = {53 75 62 20 [0-06] 28 [0-06] 2c 20 [0-06] 29 90 0c 02 00 27 20 } //1
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$a_03_5 = {20 3d 20 56 42 41 2e 63 6c 6e 67 28 [0-06] 28 [0-06] 29 20 26 20 [0-06] 20 26 20 [0-06] 29 90 0c 02 00 45 6e 64 20 46 75 6e 63 74 69 6f 6e 90 0c 02 00 46 75 6e 63 74 69 6f 6e 20 [0-06] 28 [0-06] 29 90 0c 02 00 27 20 } //1
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$a_03_6 = {4f 70 65 6e 20 [0-06] 20 46 6f 72 20 4f 75 74 70 75 74 20 41 73 20 23 [0-04] 50 72 69 6e 74 20 23 31 2c 20 [0-10] 43 6c 6f 73 65 20 23 [0-04] 45 6e 64 20 53 75 62 } //1
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$a_03_7 = {20 3d 20 52 65 70 6c 61 63 65 28 [0-06] 28 [0-06] 29 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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condition:
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((#a_03_0 & 1)*1+(#a_03_1 & 1)*1+(#a_01_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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} |