2024-02-05 06:12:47 -08:00
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rule Backdoor_BAT_Hamaetot_A{
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meta:
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description = "Backdoor:BAT/Hamaetot.A,SIGNATURE_TYPE_PEHSTR_EXT,05 00 05 00 06 00 00 01 00 "
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strings :
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2024-02-07 06:09:14 -08:00
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$a_01_0 = {73 00 74 00 61 00 72 00 74 00 6b 00 6c 00 } //01 00 startkl
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$a_01_1 = {6c 00 64 00 6f 00 73 00 } //01 00 ldos
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$a_01_2 = {64 00 6f 00 77 00 6e 00 6c 00 6f 00 61 00 64 00 65 00 78 00 65 00 } //01 00 downloadexe
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$a_01_3 = {26 00 72 00 65 00 63 00 65 00 69 00 76 00 65 00 3d 00 75 00 70 00 6c 00 6f 00 61 00 64 00 26 00 75 00 70 00 6c 00 6f 00 61 00 64 00 74 00 79 00 70 00 65 00 3d 00 75 00 66 00 69 00 6c 00 65 00 26 00 66 00 69 00 6c 00 65 00 6e 00 61 00 6d 00 65 00 3d 00 } //01 00 &receive=upload&uploadtype=ufile&filename=
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$a_01_4 = {26 00 72 00 65 00 63 00 65 00 69 00 76 00 65 00 3d 00 75 00 70 00 6c 00 6f 00 61 00 64 00 26 00 75 00 70 00 6c 00 6f 00 61 00 64 00 74 00 79 00 70 00 65 00 3d 00 73 00 63 00 72 00 65 00 65 00 6e 00 26 00 66 00 69 00 6c 00 65 00 6e 00 61 00 6d 00 65 00 3d 00 73 00 63 00 72 00 65 00 65 00 6e 00 2e 00 70 00 6e 00 67 00 } //01 00 &receive=upload&uploadtype=screen&filename=screen.png
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$a_01_5 = {26 00 72 00 65 00 63 00 65 00 69 00 76 00 65 00 3d 00 75 00 70 00 6c 00 6f 00 61 00 64 00 26 00 75 00 70 00 6c 00 6f 00 61 00 64 00 74 00 79 00 70 00 65 00 3d 00 77 00 65 00 62 00 63 00 61 00 6d 00 26 00 66 00 69 00 6c 00 65 00 6e 00 61 00 6d 00 65 00 3d 00 77 00 65 00 62 00 63 00 61 00 6d 00 2e 00 6a 00 70 00 67 00 } //00 00 &receive=upload&uploadtype=webcam&filename=webcam.jpg
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2024-02-05 06:12:47 -08:00
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$a_00_6 = {87 10 00 } //00 cd
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condition:
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any of ($a_*)
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}
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