17 lines
932 B
Text
17 lines
932 B
Text
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rule FE_APT_Tool_Linux32_CLEANPULSE_1
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{
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meta:
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author = "Mandiant"
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date_created = "2021-05-17"
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sha256 = "9308cfbd697e4bf76fcc8ff71429fbdfe375441e8c8c10519b6a73a776801ba7"
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reference_url = "https://www.fireeye.com/blog/threat-research/2021/05/updates-on-chinese-apt-compromising-pulse-secure-vpn-devices.html"
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strings:
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$sb1 = { A1 [4] 8B [5] 50 68 [4] 5? FF 75 ?? E8 [4] 83 C4 10 A1 [4] 8B [5] 50 68 [4] 5? FF 75 ?? E8 [4] 83 C4 10 A1 [4] 8B [5] 50 68 [4] 5? FF 75 ?? E8 [4] 83 C4 10 A1 [4] 8B [5] 50 68 [4] 5? FF 75 ?? E8 [4] 83 C4 10 8B ?? 04 }
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$sb2 = { 8B 00 0F B6 00 3C ?? 74 0F 8B ?? 04 83 C0 10 8B 00 0F B6 00 3C ?? 75 }
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$ss1 = "\x00OK!\x00"
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$ss2 = "\x00argv %d error!\x00"
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$ss3 = "\x00ptrace_write\x00"
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$ss4 = "\x00ptrace_attach\x00"
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condition:
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((uint32(0) == 0x464c457f) and (uint8(4) == 1)) and all of them
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}
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