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Added detection of PyInstaller #748

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merged 1 commit into from
Apr 21, 2020
Merged

Added detection of PyInstaller #748

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2 changes: 1 addition & 1 deletion src/cpdetect/compiler_detector/compiler_detector.cpp
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Original file line number Diff line number Diff line change
Expand Up @@ -434,7 +434,7 @@ ReturnCode CompilerDetector::getAllSignatures()
{
toolInfo.addTool(
DetectionMethod::YARA_RULE,
metaToStrength(rule.getMeta("language")),
metaToStrength(rule.getMeta("strength")),
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toolType,
nameMeta->getStringValue(),
version,
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36 changes: 36 additions & 0 deletions support/yara_patterns/tools/pe/x64/installers.yara
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Original file line number Diff line number Diff line change
Expand Up @@ -5,6 +5,42 @@

import "pe"

rule pyinstaller_27
{
meta:
tool = "I"
name = "PyInstaller"
version = "2.7"
strength = "high"
strings:
$s00 = "Cannot GetProcAddress for PySys_SetObject"
$s01 = "Error coping %s"
$s02 = "Error loading Python DLL: %s (error code %d)"
$s03 = "PYTHONHOME"
condition:
pe.number_of_resources > 0 and
@s00 < pe.sections[2].raw_data_offset and
all of them
}

rule pyinstaller_3x
{
meta:
tool = "I"
name = "PyInstaller"
version = "3.x"
strength = "high"
strings:
$s00 = "Failed to get address for PySys_SetObject"
$s01 = "Error copying %s"
$s02 = "Error loading Python DLL '%s'"
$s03 = "pyi-windows-manifest-filename"
condition:
pe.number_of_resources > 0 and
@s00 < pe.sections[2].raw_data_offset and
all of them
}

rule winrar_sfx_392b1
{
meta:
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36 changes: 36 additions & 0 deletions support/yara_patterns/tools/pe/x86/installers.yara
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Expand Up @@ -110,6 +110,42 @@ rule exemplar_installer {
$1 at pe.entry_point
}

rule pyinstaller_27
{
meta:
tool = "I"
name = "PyInstaller"
version = "2.7"
strength = "high"
strings:
$s00 = "Cannot GetProcAddress for PySys_SetObject"
$s01 = "Error coping %s"
$s02 = "Error loading Python DLL: %s (error code %d)"
$s03 = "PYTHONHOME"
condition:
pe.number_of_resources > 0 and
@s00 < pe.sections[2].raw_data_offset and
all of them
}

rule pyinstaller_3x
{
meta:
tool = "I"
name = "PyInstaller"
version = "3.x"
strength = "high"
strings:
$s00 = "Failed to get address for PySys_SetObject"
$s01 = "Error copying %s"
$s02 = "Error loading Python DLL '%s'"
$s03 = "pyi-windows-manifest-filename"
condition:
pe.number_of_resources > 0 and
@s00 < pe.sections[2].raw_data_offset and
all of them
}

rule installanywhere_61 {
meta:
tool = "I"
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