diff --git a/yara/gen_mal_scripts.yar b/yara/gen_mal_scripts.yar index de5e2431..47438172 100644 --- a/yara/gen_mal_scripts.yar +++ b/yara/gen_mal_scripts.yar @@ -75,7 +75,7 @@ rule Certutil_Decode_OR_Download { reference = "Internal Research" score = 40 date = "2017-08-29" - modified = "2023-10-19" + modified = "2026-04-01" id = "63bdefd2-225a-56d5-b615-5e236c97f050" strings: $a1 = "certutil -decode " ascii wide @@ -86,6 +86,7 @@ rule Certutil_Decode_OR_Download { $a6 = "certutil.exe -urlcache -split -f http" ascii wide $fp_msi = { 52 00 6F 00 6F 00 74 00 20 00 45 00 6E 00 74 00 72 00 79 } + $fp_doc = "https://docs.aws.amazon.com" ascii condition: filesize < 700KB and 1 of ($a*)