2024-02-05 06:12:47 -08:00
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rule HackTool_MacOS_SuspZshCmd_A_ReverseShell{
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meta:
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description = "HackTool:MacOS/SuspZshCmd.A!ReverseShell,SIGNATURE_TYPE_CMDHSTR_EXT,ffffffc8 00 5a 00 0a 00 00 0a 00 "
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strings :
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2024-02-07 06:09:14 -08:00
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$a_00_0 = {7a 00 73 00 68 00 } //14 00 zsh
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$a_00_1 = {7a 00 6d 00 6f 00 64 00 6c 00 6f 00 61 00 64 00 } //14 00 zmodload
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$a_00_2 = {7a 00 73 00 68 00 2f 00 6e 00 65 00 74 00 2f 00 74 00 63 00 70 00 } //14 00 zsh/net/tcp
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$a_00_3 = {7a 00 74 00 63 00 70 00 } //0a 00 ztcp
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$a_00_4 = {7a 00 73 00 68 00 20 00 3e 00 26 00 } //05 00 zsh >&
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$a_00_5 = {32 00 3e 00 26 00 } //05 00 2>&
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$a_00_6 = {30 00 3e 00 26 00 } //ce ff 0>&
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$a_00_7 = {6c 00 6f 00 63 00 61 00 6c 00 68 00 6f 00 73 00 74 00 } //ce ff localhost
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$a_00_8 = {31 00 32 00 37 00 2e 00 30 00 2e 00 30 00 2e 00 31 00 } //ce ff 127.0.0.1
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$a_00_9 = {30 00 2e 00 30 00 2e 00 30 00 2e 00 30 00 } //00 00 0.0.0.0
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2024-02-05 06:12:47 -08:00
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condition:
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any of ($a_*)
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}
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