diff --git a/rules/windows/defense_evasion_misc_lolbin_connecting_to_the_internet.toml b/rules/windows/defense_evasion_misc_lolbin_connecting_to_the_internet.toml index 45c4fd64a..97121b181 100644 --- a/rules/windows/defense_evasion_misc_lolbin_connecting_to_the_internet.toml +++ b/rules/windows/defense_evasion_misc_lolbin_connecting_to_the_internet.toml @@ -1,7 +1,7 @@ [metadata] creation_date = "2020/02/18" maturity = "production" -updated_date = "2021/05/26" +updated_date = "2021/11/07" [rule] author = ["Elastic"] @@ -24,10 +24,10 @@ type = "eql" query = ''' sequence by process.entity_id - [process where (process.name : "expand.exe" or process.name : "extrac.exe" or + [process where (process.name : "expand.exe" or process.name : "extrac32.exe" or process.name : "ieexec.exe" or process.name : "makecab.exe") and event.type == "start"] - [network where (process.name : "expand.exe" or process.name : "extrac.exe" or + [network where (process.name : "expand.exe" or process.name : "extrac32.exe" or process.name : "ieexec.exe" or process.name : "makecab.exe") and not cidrmatch(destination.ip, "10.0.0.0/8", "127.0.0.0/8", "169.254.0.0/16", "172.16.0.0/12", "192.0.0.0/24", "192.0.0.0/29", "192.0.0.8/32",