From 0c2895024cc8929a43d0211e53967085308b3f78 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=D4=9C=D0=B5=D1=95?= <5124946+wesinator@users.noreply.github.com> Date: Wed, 24 Oct 2018 09:20:02 -0400 Subject: [PATCH 1/2] Remove bad Armadillov171 PEiD signature rule This rule has false positives on PEs compiled with MSVC https://github.com/Yara-Rules/rules/issues/39 --- tools/yara/packer.yara | 10 ---------- 1 file changed, 10 deletions(-) diff --git a/tools/yara/packer.yara b/tools/yara/packer.yara index 024e1a5..7391b53 100755 --- a/tools/yara/packer.yara +++ b/tools/yara/packer.yara @@ -10210,16 +10210,6 @@ condition: } -rule Armadillov171 -{ -strings: - $a0 = { 55 8B EC 6A FF 68 ?? ?? ?? ?? 68 ?? ?? ?? ?? 64 A1 } - -condition: - $a0 at entrypoint -} - - rule KBySV022shoooo { strings: From 52119fc897a1379f2197701e072f03540fee98de Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=D4=9C=D0=B5=D1=95?= <5124946+wesinator@users.noreply.github.com> Date: Mon, 20 May 2019 22:35:15 -0400 Subject: [PATCH 2/2] Disable PEiD Armadillo packer false positive "Armadillo v1.xx - v2.xx" is a false positive https://www.zscaler.com/blogs/research/your-windows-8-packed --- tools/yara/packer.yara | 3 ++- 1 file changed, 2 insertions(+), 1 deletion(-) diff --git a/tools/yara/packer.yara b/tools/yara/packer.yara index 7391b53..653a1dd 100755 --- a/tools/yara/packer.yara +++ b/tools/yara/packer.yara @@ -14507,6 +14507,7 @@ condition: } +/* false positive - https://www.zscaler.com/blogs/research/your-windows-8-packed rule Armadillov1xxv2xx { strings: @@ -14514,7 +14515,7 @@ strings: condition: $a0 at entrypoint -} +}*/ rule HACKSTOPv111c