VOLEXITY_Hacktool_Golang_Reversessh_Fahrj

rule VOLEXITY_Hacktool_Golang_Reversessh_Fahrj : FILE MEMORY
{
	meta:
		description = "Detects a reverse SSH utility available on GitHub. Attackers may use this tool or similar tools in post-exploitation activity."
		author = "threatintel@volexity.com"
		id = "332e323f-cb16-5aa2-8b66-f3d6d50d94f2"
		date = "2024-04-10"
		modified = "2024-04-12"
		reference = "TIB-20240412"
		source_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/2024/2024-04-12 Palo Alto Networks GlobalProtect/indicators/rules.yar#L82-L116"
		license_url = "https://github.com/volexity/threat-intel/blob/3a9d0b52459877ee866a9a0ba06e60059b778c77/LICENSE.txt"
		hash = "161fd76c83e557269bee39a57baa2ccbbac679f59d9adff1e1b73b0f4bb277a6"
		logic_hash = "38b40cc7fc1e601da2c7a825f1c2eff209093875a5829ddd2f4c5ad438d660f8"
		score = 75
		quality = 80
		tags = "FILE, MEMORY"
		os = "all"
		os_arch = "all"
		scan_context = "file,memory"
		severity = "critical"
		license = "See license at https://github.com/volexity/threat-intel/blob/main/LICENSE.txt"
		rule_id = 10423
		version = 5

	strings:
		$fun_1 = "createLocalPortForwardingCallback"
		$fun_2 = "createReversePortForwardingCallback"
		$fun_3 = "createPasswordHandler"
		$fun_4 = "createPublicKeyHandler"
		$fun_5 = "createSFTPHandler"
		$fun_6 = "dialHomeAndListen"
		$fun_7 = "createExtraInfoHandler"
		$fun_8 = "createSSHSessionHandler"
		$fun_9 = "createReversePortForwardingCallback"
		$proj_1 = "github.com/Fahrj/reverse-ssh"

	condition:
		any of ( $proj_* ) or 4 of ( $fun_* )
}