89 lines
1.9 KiB
Ruby
89 lines
1.9 KiB
Ruby
# -*- coding:binary -*-
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require 'spec_helper'
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require 'rex/encoder/alpha2/unicode_mixed'
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describe Rex::Encoder::Alpha2::UnicodeMixed do
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it_behaves_like 'Rex::Encoder::Alpha2::Generic'
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let(:decoder_stub) do
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"jXAQADAZABARALAYAIAQAIAQAIAhAAAZ1AIAIAJ11AIAIABABABQI1AIQIAIQI111AIAJQYAZBABABABABkMAGB9u4JB"
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end
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let(:reg_signature) do
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{
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'EAX' => 'PPYA',
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'ECX' => '4444',
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'EDX' => 'RRYA',
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'EBX' => 'SSYA',
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'ESP' => 'TUYA',
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'EBP' => 'UUYAs',
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'ESI' => 'VVYA',
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'EDI' => 'WWYA'
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}
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end
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describe ".gen_decoder_prefix" do
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subject(:decoder_prefix) { described_class.gen_decoder_prefix(reg, offset) }
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let(:reg) { 'ECX' }
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let(:offset) { 5 }
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it "returns decoder prefix" do
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is_expected.to include(reg_signature[reg])
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end
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context "when invalid reg name" do
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let(:reg) { 'NON EXISTENT' }
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let(:offset) { 0 }
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it "raises an error" do
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expect { decoder_prefix }.to raise_error(RuntimeError)
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end
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end
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context "when offset is bigger than 21" do
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let(:reg) { 'ECX' }
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let(:offset) { 22 }
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it "raises an error" do
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expect { decoder_prefix }.to raise_error
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end
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end
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end
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describe ".gen_decoder" do
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subject(:decoder) { described_class.gen_decoder(reg, offset) }
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let(:reg) { 'ECX' }
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let(:offset) { 5 }
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it "returns the alpha upper decoder" do
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is_expected.to include(decoder_stub)
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end
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it "uses the correct decoder prefix" do
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is_expected.to include(reg_signature[reg])
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end
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context "when invalid reg name" do
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let(:reg) { 'NON EXISTENT' }
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let(:offset) { 0 }
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it "raises an error" do
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expect { decoder }.to raise_error(RuntimeError)
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end
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end
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context "when offset is bigger than 21" do
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let(:reg) { 'ECX' }
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let(:offset) { 22 }
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it "raises an error" do
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expect { decoder }.to raise_error
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end
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end
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end
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end
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