SIGNATURE_BASE_EXPL_SUSP_JS_POC_Dec25

rule SIGNATURE_BASE_EXPL_SUSP_JS_POC_Dec25 : CVE_2025_55182 FILE
{
	meta:
		description = "Detects RCE indicators related to the proof-of-concept code for the React Server Remote Code Execution Vulnerability (CVE-2025-55182) but could be used in other JavaScript based PoC code as well"
		author = "Florian Roth"
		id = "114c83f8-b798-5db9-a054-a6148dde7d5a"
		date = "2025-12-05"
		modified = "2025-12-06"
		reference = "https://github.com/msanft/CVE-2025-55182/blob/main/poc.py"
		source_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/yara/react_pocs_indicators_dec25.yar#L89-L104"
		license_url = "https://github.com/Neo23x0/signature-base/blob/94a1c48d7ab499879287ff611dfe7f9c56376030/LICENSE"
		logic_hash = "142749ac6538d80a9c713eb19b763063e4d788e622f4938ecd0c1edbf51b3c74"
		score = 70
		quality = 85
		tags = "CVE-2025-55182, FILE"

	strings:
		$xr1 = /process\.mainModule\.require\(["']child_process["']\).{5,40}\(["'](whoami|powershell|\/bin\/sh|\/bin\/bash|wget|curl|cat \/etc\/passwd|uname|id["'])/

	condition:
		1 of them and not uint16( 0 ) == 0x3c3f
}