SEKOIA_Generic_Python_Reverse_Shell

rule SEKOIA_Generic_Python_Reverse_Shell : FILE
{
	meta:
		description = "Detects simple reverse shell written in Python"
		author = "Sekoia.io"
		id = "ab25f8db-e39d-4aa4-b431-cf5cd2e038e5"
		date = "2023-12-08"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/generic_python_reverse_shell.yar#L1-L18"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		logic_hash = "ced9923ef8018796545d93d9ac8ba3138dd7d4e79db742eb3babcd94c8d3c304"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$ = "import pty"
		$ = "lhost ="
		$ = "os.dup2(s.fileno(),0)"
		$ = "os.putenv(\"HISTFILE\",'/dev/null')"

	condition:
		filesize < 1KB and all of them
}