43 lines
1.5 KiB
Text
43 lines
1.5 KiB
Text
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rule OSX_backdoor_Bella {
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meta:
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description = "Bella MacOS/OSX backdoor"
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author = "John Lambert @JohnLaTwC"
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reference = "https://twitter.com/JohnLaTwC/status/911998777182924801"
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date = "2018-02-23"
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hash = "4288a81779a492b5b02bad6e90b2fa6212fa5f8ee87cc5ec9286ab523fc02446 cec7be2126d388707907b4f9d681121fd1e3ca9f828c029b02340ab1331a5524 e1cf136be50c4486ae8f5e408af80b90229f3027511b4beed69495a042af95be"
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id = "d2a994f9-acff-5de4-8f70-453b5d4d7947"
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strings:
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$h1 = "#!/usr/bin/env"
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//prereqs
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$s0 = "subprocess" fullword ascii
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$s1 = "import sys" fullword ascii
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$s2 = "shutil" fullword ascii
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$p0 = "create_bella_helpers" fullword ascii
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$p1 = "is_there_SUID_shell" fullword ascii
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$p2 = "BELLA IS NOW RUNNING" fullword ascii
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$p3 = "SELECT * FROM bella WHERE id" fullword ascii
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$subpart1_a = "inject_payloads" fullword ascii
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$subpart1_b = "check_if_payloads" fullword ascii
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$subpart1_c = "updateDB" fullword ascii
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$subpart2_a = "appleIDPhishHelp" fullword ascii
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$subpart2_b = "appleIDPhish" fullword ascii
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$subpart2_c = "iTunes" fullword ascii
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condition:
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uint32(0) == 0x752f2123
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and $h1 at 0
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and filesize < 120KB
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and @s0[1] < 100
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and @s1[1] < 100
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and @s2[1] < 100
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and
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1 of ($p*)
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or all of ($subpart1_*)
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or all of ($subpart2_*)
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}
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