18 lines
828 B
Text
18 lines
828 B
Text
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// Copyright 2021 by FireEye, Inc.
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// You may not use this file except in compliance with the license. The license should have been received with this file.
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rule FE_APT_Trojan_PL_PULSEJUMP_1
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{
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meta:
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author = "Mandiant"
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date_created = "2021-04-16"
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md5 = "91ee23ee24e100ba4a943bb4c15adb4c"
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reference_url = "https://www.fireeye.com/blog/threat-research/2021/04/suspected-apt-actors-leverage-bypass-techniques-pulse-secure-zero-day.html"
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strings:
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$s1 = "open("
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$s2 = ">>/tmp/"
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$s3 = "syswrite("
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$s4 = /\}[\x09\x20]{0,32}elsif[\x09\x20]{0,32}\([\x09\x20]{0,32}\$\w{1,64}[\x09\x20]{1,32}eq[\x09\x20]{1,32}[\x22\x27](Radius|Samba|AD)[\x22\x27][\x09\x20]{0,32}\)\s{0,128}\{\s{0,128}@\w{1,64}[\x09\x20]{0,32}=[\x09\x20]{0,32}&/
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condition:
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all of them
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}
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