rule HKTL_BruteRatel_Badger_Indicators_Oct22_4 { meta: description = "Detects Brute Ratel C4 badger indicators" author = "Matthew @embee_research, Florian Roth" reference = "https://twitter.com/embee_research/status/1580030310778953728" date = "2022-10-12" score = 75 id = "a62d08ae-0fb3-55e9-b6f8-7940f8032e4a" strings: $s1 = { b? 89 4d 39 8c } $s2 = { b? bd ca 3b d3 } $s3 = { b? b2 c1 06 ae } $s4 = { b? 74 eb 1d 4d } condition: filesize < 8000KB and all of ($s*) and not uint8(0) == 0x02 /* SHC files */ }