17 lines
886 B
Plaintext
17 lines
886 B
Plaintext
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rule TrojanDownloader_O97M_Ursnif_AL_MTB{
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meta:
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description = "TrojanDownloader:O97M/Ursnif.AL!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,07 00 07 00 07 00 00 "
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strings :
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$a_01_0 = {3d 20 43 68 72 28 31 30 30 20 2b 20 31 30 20 2b 20 35 29 20 2b 20 22 68 22 20 2b 20 22 65 6c 6c 22 } //1 = Chr(100 + 10 + 5) + "h" + "ell"
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$a_01_1 = {2e 43 6f 6e 74 72 6f 6c 73 28 31 29 2e 54 65 78 74 } //1 .Controls(1).Text
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$a_01_2 = {2e 43 6f 6e 74 72 6f 6c 73 28 32 20 2d 20 31 20 2d 20 31 29 } //1 .Controls(2 - 1 - 1)
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$a_01_3 = {2e 4f 70 65 6e } //1 .Open
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$a_03_4 = {50 72 69 6e 74 20 23 ?? 2c 20 [0-50] 2e 54 65 78 74 } //1
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$a_01_5 = {43 6c 6f 73 65 20 23 } //1 Close #
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$a_01_6 = {53 75 62 20 41 75 74 6f 4f 70 65 6e 28 29 } //1 Sub AutoOpen()
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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_03_4 & 1)*1+(#a_01_5 & 1)*1+(#a_01_6 & 1)*1) >=7
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} |