SEKOIA_Infostealer_Win_Bebra

rule SEKOIA_Infostealer_Win_Bebra : FILE
{
	meta:
		description = "Find samples of Bebra Stealer based on specific strings"
		author = "Sekoia.io"
		id = "e84d04a7-1232-47e5-b797-ac8e56066796"
		date = "2023-02-06"
		modified = "2024-12-19"
		reference = "https://github.com/SEKOIA-IO/Community"
		source_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/yara_rules/infostealer_win_bebra.yar#L1-L26"
		license_url = "https://github.com/SEKOIA-IO/Community/blob/a438a5901a211c2abdf75da9c93921ef187473d1/LICENSE.md"
		hash = "7841746c54c53dbcafdf3f357c7a84b90fe3b089e07f30dea15ef6f7f15b0f00"
		logic_hash = "588fa3091f0dc565123c60d59479202d036e092499eca6204d420395ddc332f9"
		score = 75
		quality = 80
		tags = "FILE"
		version = "1.0"
		classification = "TLP:CLEAR"

	strings:
		$str01 = "https://studio.youtube.com/youtubei/v1/att/esr?alt=json&key=" ascii
		$str02 = "https://www.youtube.com/getAccountSwitcher" ascii
		$str03 = "\"challenge\":\"" ascii
		$str04 = "\"botguardResponse\":\"" ascii
		$str05 = "\"continueUrl\":\"https://studio.youtube.com/reauth\"," ascii
		$str06 = "\"flow\":\"REAUTH_FLOW_YT_STUDIO_COLD_LOAD\"," ascii
		$str07 = "\"xguardClientStatus\":0" ascii
		$str08 = "SAPISIDHASH" ascii
		$str09 = "system32\\cmd.exe /C choice /C Y /N /D Y /T 0 &Del" ascii
		$str10 = "/new.php" ascii
		$str11 = "github.com/mattn/go-sqlite3" ascii

	condition:
		uint16( 0 ) == 0x5A4D and 9 of them
}