Sneed-Reactivity/yara-mikesxrs/US CERT/Lightweight_Backdoor_5.yar
Sam Sneed 08e8d462fe OMG ISTG PLS WORK
RED PILL 🔴 💊
2024-07-25 12:43:35 -05:00

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rule Lightweight_Backdoor_5
{
meta:
author = "US CERT"
reference = "https://www.us-cert.gov/ncas/alerts/TA14-353A"
strings:
$strl = { C6 45 F4 74 C6 45 F5 6C C6 45 F6 76 C6 45 F7 63 C6 45 F8 2E C6 45 F9 6E C6 45 FA 6C C6 45 FB 73 } // 'tlvc.nls' being moved to ebp
condition:
(uint16(0) == 0x5A4D or uint16(0) == 0xCFD0 or uint16(0) == 0xC3D4 or uint32(0) == 0x46445025 or uint32(1) == 0x6674725C) and all of them
}