24 lines
1.9 KiB
Plaintext
24 lines
1.9 KiB
Plaintext
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rule Backdoor_Win32_VB_WZ{
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meta:
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description = "Backdoor:Win32/VB.WZ,SIGNATURE_TYPE_PEHSTR,0e 00 0e 00 0e 00 00 "
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strings :
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$a_01_0 = {77 00 77 00 77 00 2e 00 73 00 68 00 61 00 72 00 6b 00 2d 00 70 00 72 00 6f 00 6a 00 65 00 63 00 74 00 2e 00 6e 00 65 00 74 00 } //1 www.shark-project.net
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$a_01_1 = {62 00 6c 00 61 00 63 00 6b 00 6c 00 69 00 73 00 74 00 } //1 blacklist
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$a_01_2 = {77 00 68 00 61 00 74 00 64 00 6f 00 6e 00 6f 00 77 00 } //1 whatdonow
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$a_01_3 = {2a 00 70 00 73 00 74 00 6f 00 72 00 61 00 67 00 65 00 2e 00 73 00 68 00 61 00 72 00 6b 00 } //1 *pstorage.shark
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$a_01_4 = {2a 00 6d 00 65 00 73 00 73 00 65 00 6e 00 67 00 65 00 72 00 2e 00 73 00 68 00 61 00 72 00 6b 00 } //1 *messenger.shark
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$a_01_5 = {2a 00 6d 00 61 00 69 00 6c 00 2e 00 73 00 68 00 61 00 72 00 6b 00 } //1 *mail.shark
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$a_01_6 = {2a 00 66 00 69 00 72 00 65 00 66 00 6f 00 78 00 2e 00 73 00 68 00 61 00 72 00 6b 00 } //1 *firefox.shark
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$a_01_7 = {2a 00 73 00 74 00 65 00 61 00 6d 00 2e 00 73 00 68 00 61 00 72 00 6b 00 } //1 *steam.shark
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$a_01_8 = {70 00 72 00 69 00 76 00 6d 00 73 00 67 00 } //1 privmsg
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$a_01_9 = {6b 00 69 00 6c 00 6c 00 70 00 72 00 6f 00 63 00 } //1 killproc
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$a_01_10 = {53 00 65 00 72 00 76 00 69 00 63 00 65 00 73 00 41 00 63 00 74 00 69 00 76 00 65 00 } //1 ServicesActive
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$a_01_11 = {77 00 73 00 63 00 72 00 69 00 70 00 74 00 2e 00 73 00 68 00 65 00 6c 00 6c 00 } //1 wscript.shell
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$a_01_12 = {72 00 65 00 67 00 73 00 76 00 72 00 33 00 32 00 20 00 2f 00 73 00 20 00 2f 00 75 00 } //1 regsvr32 /s /u
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$a_01_13 = {4d 53 57 69 6e 73 6f 63 6b 4c 69 62 2e 57 69 6e 73 6f 63 6b } //1 MSWinsockLib.Winsock
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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+(#a_01_13 & 1)*1) >=14
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} |