rule SMB_Worm_Tool { meta: author = "US CERT" reference = "https://www.us-cert.gov/ncas/alerts/TA14-353A" strings: $STR1 = "Global\\FwtSqmSession106829323_S-1-5-19" $STR2 ="EVERYONE" $STR3 = "y0uar3@s!llyid!07,ou74n60u7f001" $STR4 = "\\KB25468.dat" condition: (uint16(0) == 0x5A4D or uint16(0) == 0xCFD0 or uint16(0) ==0xC3D4 or uint32(0) == 0x46445025 or uint32(1) == 0x6674725C) and all of them }