37 lines
623 B
Text
37 lines
623 B
Text
rule QUIETEXIT_strings
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{
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meta:
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author = "Mandiant"
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reference = "https://www.mandiant.com/resources/unc3524-eye-spy-email"
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date_created = "2022-01-13"
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date_modified = "2022-01-13"
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rev = 1
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strings:
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$s1 = "auth-agent@openssh.com"
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$s2 = "auth-%.8x-%d"
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$s3 = "Child connection from %s:%s"
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$s4 = "Compiled without normal mode, can't run without -i"
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$s5 = "cancel-tcpip-forward"
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$s6 = "dropbear_prng"
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$s7 = "cron"
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condition:
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uint32be(0) == 0x7F454C46 and filesize < 2MB and all of them
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}
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