20 lines
1.3 KiB
Plaintext
20 lines
1.3 KiB
Plaintext
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rule TrojanDownloader_O97M_AgeBomb_A_MTB{
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meta:
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description = "TrojanDownloader:O97M/AgeBomb.A!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,0a 00 0a 00 0a 00 00 "
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strings :
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$a_01_0 = {4f 70 65 6e 20 54 58 54 46 69 6c 65 20 46 6f 72 20 4f 75 74 70 75 74 20 41 73 20 23 31 } //1 Open TXTFile For Output As #1
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$a_03_1 = {41 70 70 6c 69 63 61 74 69 6f 6e 2e 45 76 61 6c 20 28 [0-20] 2e 52 75 6e 28 50 61 74 68 20 2b 20 54 58 54 46 69 6c 65 2c 20 77 69 6e 64 6f 77 53 74 79 6c 65 2c 20 77 61 69 74 4f 6e 52 65 74 75 72 6e 29 29 } //1
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$a_03_2 = {50 61 74 68 20 3d 20 22 43 3a 5c 22 20 2b 20 [0-10] 70 61 74 68 20 2b 20 22 53 79 73 74 65 6d 33 32 5c 63 22 20 2b 20 22 73 63 72 69 70 74 22 20 2b 20 22 2e 65 78 22 } //1
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$a_01_3 = {3d 20 22 53 63 72 69 22 } //1 = "Scri"
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$a_01_4 = {2b 20 22 70 74 69 22 } //1 + "pti"
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$a_01_5 = {3d 20 22 73 63 72 22 20 2b 20 22 69 70 74 31 22 } //1 = "scr" + "ipt1"
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$a_01_6 = {2b 20 22 2e 53 22 } //1 + ".S"
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$a_01_7 = {2b 20 22 68 22 } //1 + "h"
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$a_01_8 = {2b 20 22 65 22 } //1 + "e"
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$a_01_9 = {2b 20 22 6c 22 20 26 20 22 6c 22 } //1 + "l" & "l"
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condition:
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((#a_01_0 & 1)*1+(#a_03_1 & 1)*1+(#a_03_2 & 1)*1+(#a_01_3 & 1)*1+(#a_01_4 & 1)*1+(#a_01_5 & 1)*1+(#a_01_6 & 1)*1+(#a_01_7 & 1)*1+(#a_01_8 & 1)*1+(#a_01_9 & 1)*1) >=10
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} |