29 lines
1.9 KiB
Plaintext
29 lines
1.9 KiB
Plaintext
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rule Backdoor_Win32_Feljina_A{
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meta:
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description = "Backdoor:Win32/Feljina.A,SIGNATURE_TYPE_PEHSTR_EXT,14 00 14 00 13 00 00 "
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strings :
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$a_03_0 = {01 00 83 c4 0c c6 45 ec a2 c6 45 ed 13 c6 45 ee ?? c6 45 ef } //8
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$a_01_1 = {6c 72 3a 25 64 2c 25 64 2c 25 64 3b 6c 61 3a 25 64 2c 25 64 2c 25 64 3b 63 72 3a 25 64 2c 25 64 2c 25 64 } //4 lr:%d,%d,%d;la:%d,%d,%d;cr:%d,%d,%d
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$a_01_2 = {25 64 2c 25 64 2c 25 64 2c 78 78 3a 25 64 6b 6b 3a 30 78 25 78 } //4 %d,%d,%d,xx:%dkk:0x%x
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$a_01_3 = {53 4f 46 54 57 41 52 45 5c 4d 69 63 72 6f 73 6f 66 74 5c 57 69 6e 64 6f 77 73 5c 43 75 72 72 65 6e 74 56 65 72 73 69 6f 6e 5c 47 6f 6c 64 65 6e 4b 65 79 } //2 SOFTWARE\Microsoft\Windows\CurrentVersion\GoldenKey
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$a_01_4 = {61 6e 73 5f 77 6f 72 6b } //1 ans_work
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$a_01_5 = {47 65 74 48 74 6f 53 } //1 GetHtoS
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$a_01_6 = {47 65 74 53 5f 50 55 42 4b 45 59 } //1 GetS_PUBKEY
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$a_01_7 = {49 44 6e 6f 74 45 51 55 } //1 IDnotEQU
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$a_01_8 = {6a 69 61 6e 6a 69 6e 65 } //1 jianjine
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$a_01_9 = {6e 65 77 6a 69 61 6e 6a 69 6e 65 } //1 newjianjine
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$a_01_10 = {53 65 6e 64 5f 53 5f 54 6f 5f 48 } //1 Send_S_To_H
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$a_01_11 = {72 65 61 64 73 65 74 5f 69 6e 66 6f } //1 readset_info
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$a_01_12 = {54 65 73 74 63 61 72 64 6f 6e } //1 Testcardon
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$a_01_13 = {61 73 6b 5f 77 6f 72 6b } //1 ask_work
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$a_01_14 = {62 61 63 6b 48 61 72 64 5f 69 6e 66 6f } //1 backHard_info
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$a_01_15 = {65 78 65 79 65 6a 69 } //1 exeyeji
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$a_01_16 = {6e 65 77 5f 65 78 65 79 65 6a 69 } //1 new_exeyeji
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$a_01_17 = {73 65 74 6a 69 68 61 6f } //1 setjihao
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$a_01_18 = {74 6d 70 73 68 61 6e 67 6a 69 } //1 tmpshangji
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condition:
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((#a_03_0 & 1)*8+(#a_01_1 & 1)*4+(#a_01_2 & 1)*4+(#a_01_3 & 1)*2+(#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+(#a_01_13 & 1)*1+(#a_01_14 & 1)*1+(#a_01_15 & 1)*1+(#a_01_16 & 1)*1+(#a_01_17 & 1)*1+(#a_01_18 & 1)*1) >=20
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} |