63 lines
4.1 KiB
Plaintext
63 lines
4.1 KiB
Plaintext
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rule TrojanDownloader_O97M_Obfuse_BB_MTB{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.BB!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,03 00 03 00 03 00 00 01 00 "
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strings :
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$a_01_0 = {7a 7a 7a 7a 68 5f 62 36 34 20 3d 20 7a 7a 7a 7a 68 5f 62 36 34 20 26 } //01 00 zzzzh_b64 = zzzzh_b64 &
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$a_01_1 = {22 2f 6c 61 73 64 77 65 2f 62 64 61 61 33 38 31 31 2d 62 62 36 63 2d 34 32 63 37 2d 61 65 32 35 2d 30 33 32 39 66 33 61 35 39 63 65 31 22 2c 20 34 33 36 2c 20 7a 7a 7a 7a 68 } //01 00 "/lasdwe/bdaa3811-bb6c-42c7-ae25-0329f3a59ce1", 436, zzzzh
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$a_01_2 = {44 79 6e 4d 65 6d 63 70 79 20 61 6c 6c 6f 63 2c 20 7a 7a 7a 7a 68 2c 20 68 72 65 61 64 2c 20 68 77 72 69 74 65 } //00 00 DynMemcpy alloc, zzzzh, hread, hwrite
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condition:
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any of ($a_*)
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}
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rule TrojanDownloader_O97M_Obfuse_BB_MTB_2{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.BB!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,03 00 03 00 03 00 00 01 00 "
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strings :
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$a_01_0 = {3d 20 6d 61 69 6e 2e 72 28 22 63 3a 5c 75 73 65 72 73 5c 70 75 62 6c 69 63 5c 72 65 64 4c 69 6e 65 53 65 61 2e 68 74 22 29 } //01 00 = main.r("c:\users\public\redLineSea.ht")
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$a_01_1 = {2e 43 6f 6e 74 65 6e 74 2e 46 69 6e 64 2e 45 78 65 63 75 74 65 20 46 69 6e 64 54 65 78 74 3a 3d 22 25 5f 22 2c 20 52 65 70 6c 61 63 65 57 69 74 68 3a 3d 22 22 2c 20 52 65 70 6c 61 63 65 3a 3d 77 64 52 65 70 6c 61 63 65 41 6c 6c } //01 00 .Content.Find.Execute FindText:="%_", ReplaceWith:="", Replace:=wdReplaceAll
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$a_01_2 = {2e 72 75 6e 20 6c 69 6e 65 4c 6f 76 65 4c 61 64 79 } //00 00 .run lineLoveLady
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condition:
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any of ($a_*)
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}
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rule TrojanDownloader_O97M_Obfuse_BB_MTB_3{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.BB!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,03 00 03 00 03 00 00 01 00 "
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strings :
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$a_01_0 = {2e 45 78 70 61 6e 64 45 6e 76 69 72 6f 6e 6d 65 6e 74 53 74 72 69 6e 67 73 28 22 25 54 45 4d 50 25 22 29 20 26 20 22 5c 63 79 6d 5f 31 36 30 30 31 33 38 30 34 33 30 42 44 38 34 42 32 34 2e 65 78 65 22 } //01 00 .ExpandEnvironmentStrings("%TEMP%") & "\cym_16001380430BD84B24.exe"
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$a_01_1 = {42 61 73 65 64 20 3d 20 42 61 73 65 64 20 26 20 68 63 66 66 67 66 61 77 72 65 6e 6d 28 } //01 00 Based = Based & hcffgfawrenm(
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$a_03_2 = {26 20 43 68 72 24 28 56 61 6c 28 22 26 48 22 20 26 20 4d 69 64 24 28 90 02 0f 2c 20 90 02 0f 2c 20 32 29 29 29 90 00 } //00 00
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condition:
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any of ($a_*)
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}
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rule TrojanDownloader_O97M_Obfuse_BB_MTB_4{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.BB!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 01 00 "
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strings :
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$a_03_0 = {3d 20 43 68 72 24 28 56 61 6c 28 22 26 48 22 20 26 20 4d 69 64 24 28 90 02 0c 2c 20 90 02 0c 2c 20 32 29 29 29 90 00 } //01 00
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$a_01_1 = {3d 20 6b 75 51 57 47 39 4a 6c 28 55 73 65 72 46 6f 72 6d 31 2e 4c 61 62 65 6c 31 2e 43 61 70 74 69 6f 6e 29 } //01 00 = kuQWG9Jl(UserForm1.Label1.Caption)
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$a_01_2 = {2e 45 6e 76 69 72 6f 6e 6d 65 6e 74 28 22 70 72 6f 63 65 73 73 22 29 2e 49 74 65 6d 28 22 70 61 72 61 6d 31 22 29 20 3d } //01 00 .Environment("process").Item("param1") =
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$a_01_3 = {2e 72 75 6e 20 22 63 6d 64 20 2f 63 20 63 61 6c 6c 20 25 70 61 72 61 6d 31 25 22 2c 20 32 } //00 00 .run "cmd /c call %param1%", 2
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condition:
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any of ($a_*)
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}
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rule TrojanDownloader_O97M_Obfuse_BB_MTB_5{
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meta:
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description = "TrojanDownloader:O97M/Obfuse.BB!MTB,SIGNATURE_TYPE_MACROHSTR_EXT,04 00 04 00 04 00 00 01 00 "
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strings :
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$a_01_0 = {3d 20 53 70 6c 69 74 28 61 66 74 65 72 42 6f 6f 6c 2c 20 22 23 22 29 } //01 00 = Split(afterBool, "#")
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$a_01_1 = {63 3a 5c 5c 75 73 65 72 73 5c 5c 70 75 62 6c 69 63 5c 5c 6e 61 6d 65 54 70 6c 2e 68 } //01 00 c:\\users\\public\\nameTpl.h
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$a_01_2 = {4f 70 74 69 6f 6e 61 6c 20 72 65 66 43 6e 74 20 3d 20 22 74 22 2c 20 4f 70 74 69 6f 6e 61 6c 20 6c 42 44 6f 63 75 6d 65 6e 74 20 3d 20 22 61 22 29 } //01 00 Optional refCnt = "t", Optional lBDocument = "a")
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$a_01_3 = {3d 20 72 65 73 70 6f 6e 73 65 44 65 6c 65 74 65 52 65 73 70 6f 6e 73 65 20 26 20 63 6f 6e 76 65 72 74 53 63 72 20 26 20 22 22 20 26 20 72 65 66 43 6e 74 20 26 20 6c 42 44 6f 63 75 6d 65 6e 74 } //00 00 = responseDeleteResponse & convertScr & "" & refCnt & lBDocument
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condition:
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any of ($a_*)
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} |