16 lines
857 B
Plaintext
16 lines
857 B
Plaintext
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rule TrojanDownloader_O97M_Obfuse_KA_MTB{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.KA!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,05 00 05 00 06 00 00 "
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strings :
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$a_01_0 = {2c 20 4e 75 6c 6c 2c 20 4e 75 6c 6c 2c 20 4e 75 6c 6c } //1 , Null, Null, Null
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$a_03_1 = {26 20 22 23 22 [0-02] 4e 65 78 74 } //1
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$a_03_2 = {28 53 68 65 65 74 73 28 [0-12] 29 2e 43 65 6c 6c 73 28 [0-08] 29 2e 56 61 6c 75 65 29 } //1
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$a_03_3 = {28 41 63 74 69 76 65 44 6f 63 75 6d 65 6e 74 2e 56 61 72 69 61 62 6c 65 73 28 [0-15] 29 2e 56 61 6c 75 65 29 } //1
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$a_03_4 = {3d 20 31 20 54 6f 20 4c 65 6e 28 [0-40] 29 20 53 74 65 70 20 32 [0-02] 44 69 6d } //1
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$a_03_5 = {3d 20 52 65 70 6c 61 63 65 28 [0-40] 2c 20 22 23 22 2c 20 22 22 29 } //1
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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_03_3 & 1)*1+(#a_03_4 & 1)*1+(#a_03_5 & 1)*1) >=5
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} |