23 lines
2.4 KiB
Plaintext
23 lines
2.4 KiB
Plaintext
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rule Backdoor_BAT_AsyncRAT_MTB{
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meta:
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description = "Backdoor:BAT/AsyncRAT!MTB,SIGNATURE_TYPE_PEHSTR_EXT,0a 00 0a 00 0d 00 00 "
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strings :
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$a_01_0 = {43 00 72 00 65 00 61 00 74 00 65 00 50 00 72 00 6f 00 63 00 65 00 73 00 73 00 5c 00 5c 00 2d 00 2f 00 2f 00 } //1 CreateProcess\\-//
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$a_01_1 = {4c 00 6f 00 61 00 64 00 4c 00 69 00 62 00 72 00 61 00 72 00 79 00 5c 00 5c 00 2d 00 2f 00 2f 00 } //1 LoadLibrary\\-//
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$a_01_2 = {67 00 65 00 74 00 5f 00 5c 00 5c 00 2d 00 2f 00 2f 00 53 00 43 00 49 00 49 00 } //1 get_\\-//SCII
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$a_01_3 = {47 00 65 00 74 00 5c 00 5c 00 2d 00 2f 00 2f 00 70 00 70 00 4e 00 61 00 6d 00 65 00 } //1 Get\\-//ppName
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$a_01_4 = {46 00 72 00 6f 00 6d 00 2f 00 2f 00 2d 00 5c 00 5c 00 61 00 73 00 65 00 36 00 34 00 53 00 74 00 72 00 69 00 6e 00 67 00 } //1 From//-\\ase64String
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$a_01_5 = {54 00 6f 00 2f 00 2f 00 2d 00 5c 00 5c 00 61 00 73 00 65 00 36 00 34 00 53 00 74 00 72 00 69 00 6e 00 67 00 } //1 To//-\\ase64String
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$a_01_6 = {2f 00 2f 00 2d 00 5c 00 5c 00 72 00 65 00 61 00 6b 00 66 00 61 00 73 00 74 00 70 00 72 00 6f 00 63 00 75 00 72 00 69 00 6e 00 } //1 //-\\reakfastprocurin
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$a_01_7 = {2f 00 2f 00 2d 00 5c 00 5c 00 69 00 74 00 43 00 6f 00 6e 00 76 00 65 00 72 00 74 00 65 00 72 00 } //1 //-\\itConverter
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$a_01_8 = {24 00 56 00 2f 00 2f 00 2d 00 5c 00 5c 00 24 00 4c 00 6f 00 63 00 61 00 6c 00 5f 00 63 00 75 00 72 00 72 00 65 00 6e 00 74 00 50 00 72 00 6f 00 63 00 65 00 73 00 73 00 } //1 $V//-\\$Local_currentProcess
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$a_01_9 = {67 00 65 00 74 00 5f 00 2f 00 2f 00 2d 00 5c 00 5c 00 61 00 73 00 65 00 5c 00 5c 00 2d 00 2f 00 2f 00 64 00 64 00 72 00 65 00 73 00 73 00 } //1 get_//-\\ase\\-//ddress
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$a_01_10 = {67 00 65 00 74 00 5f 00 45 00 6e 00 74 00 72 00 79 00 50 00 6f 00 69 00 6e 00 74 00 5c 00 5c 00 2d 00 2f 00 2f 00 64 00 64 00 72 00 65 00 73 00 73 00 } //1 get_EntryPoint\\-//ddress
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$a_01_11 = {56 00 69 00 72 00 74 00 75 00 61 00 6c 00 5c 00 5c 00 2d 00 2f 00 2f 00 6c 00 6c 00 6f 00 63 00 45 00 78 00 } //1 Virtual\\-//llocEx
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$a_01_12 = {4d 00 69 00 63 00 72 00 6f 00 73 00 6f 00 66 00 74 00 20 00 53 00 51 00 4c 00 20 00 53 00 65 00 72 00 76 00 65 00 72 00 2e 00 65 00 78 00 65 00 } //1 Microsoft SQL Server.exe
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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_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+(#a_01_10 & 1)*1+(#a_01_11 & 1)*1+(#a_01_12 & 1)*1) >=10
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} |