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-rw-r--r--tests/analysis/scan/scanning_hex.py716
1 files changed, 716 insertions, 0 deletions
diff --git a/tests/analysis/scan/scanning_hex.py b/tests/analysis/scan/scanning_hex.py
new file mode 100644
index 0000000..4b0fda4
--- /dev/null
+++ b/tests/analysis/scan/scanning_hex.py
@@ -0,0 +1,716 @@
+
+from common import RostTestClass
+from pychrysalide.analysis.contents import MemoryContent
+
+
+class TestRostScanningBinary(RostTestClass):
+ """TestCases for the bytes section syntax (binary)."""
+
+ def testLonelyPatterns(self):
+ """Evaluate the most simple patterns."""
+
+ cnt = MemoryContent(b'Abcdef')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 41 }
+
+ condition:
+ #a == 1 and @a[0] == 0
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'Abcdef')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 62 }
+
+ condition:
+ #a == 1 and @a[0] == 1
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'Abcdef')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 66 }
+
+ condition:
+ #a == 1 and @a[0] == 5
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'Abcdef')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ?1 }
+
+ condition:
+ #a == 1 and @a[0] == 0
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'Abcdef')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ?2 }
+
+ condition:
+ #a == 1 and @a[0] == 1
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'Abcdef')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ?6 }
+
+ condition:
+ #a == 1 and @a[0] == 5
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ def ___testLonelyPatternsNot(self):
+ """Evaluate the most simple patterns (not version)."""
+
+ cnt = MemoryContent(b'Abcdef')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ~41 }
+
+ condition:
+ #a == 5 and @a[0] == 1
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'Abcdef')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ~62 }
+
+ condition:
+ #a == 5 and @a[0] == 0
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'Abcdef')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ~66 }
+
+ condition:
+ #a == 5 and @a[4] == 4
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'Abcdef')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ~?1 }
+
+ condition:
+ #a == 5 and @a[0] == 1
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'Abcdef')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ~?2 }
+
+ condition:
+ #a == 5 and @a[0] == 0
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'Abcdef')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ~?6 }
+
+ condition:
+ #a == 5 and @a[4] == 4
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ def testSimpleHexPattern(self):
+ """Test a simple hex pattern."""
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 41 62 63 }
+
+ condition:
+ #a == 1 and @a[0] == 4
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 2d 41 62 63 }
+
+ condition:
+ #a == 1 and @a[0] == 3
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ def testSimpleMaskedHexPattern(self):
+ """Test a simple masked hex pattern."""
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ?1 6? ?3 }
+
+ condition:
+ #a == 1 and @a[0] == 4
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ def testHexPatternWithPlainAndMasked(self):
+ """Test hex patterns with plain and masked bytes."""
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 41 6? ?3 }
+
+ condition:
+ #a == 1 and @a[0] == 4
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 4? 62 ?3 }
+
+ condition:
+ #a == 1 and @a[0] == 4
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 4? ?2 63 }
+
+ condition:
+ #a == 1 and @a[0] == 4
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 4? ?2 ?3 }
+
+ condition:
+ #a == 1 and @a[0] == 4
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 2d 4? ?2 63 }
+
+ condition:
+ #a == 1 and @a[0] == 3
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 2d 4? 62 ?3 2d }
+
+ condition:
+ #a == 1 and @a[0] == 3
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 2? 41 6? 63 ?d }
+
+ condition:
+ #a == 1 and @a[0] == 3
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ def testHexPatternWithPlainAndHoles(self):
+ """Test hex patterns with plain bytes and holes."""
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 33 ?? 41 ?? 63 ?? 34 }
+
+ condition:
+ #a == 1 and @a[0] == 2
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ?? 33 ?? 41 ?? 63 ?? 34 ?? }
+
+ condition:
+ #a == 1 and @a[0] == 1 and !a[0] == 9
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ?? 33 [1-5] 63 ?? 34 ?? }
+
+ condition:
+ #a == 1 and @a[0] == 1 and !a[0] == 9
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { [3-4] 41 ?? 63 ?? 34 ?? }
+
+ condition:
+ #a == 1 and @a[0] == 1 and !a[0] == 9
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ?? 33 ?? 41 ?? 63 [3-] }
+
+ condition:
+ #a == 1 and @a[0] == 1 and !a[0] == 9
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ def testHexPatternWithMaskedAndHoles(self):
+ """Test hex patterns with masked bytes and holes."""
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ?3 ?? 4? ?? 6? ?? ?4 }
+
+ condition:
+ #a == 1 and @a[0] == 2
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ?? ?3 ?? 4? ?? 6? ?? ?4 ?? }
+
+ condition:
+ #a == 1 and @a[0] == 1 and !a[0] == 9
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ?? ?3 [1-5] ?3 ?? ?4 ?? }
+
+ condition:
+ #a == 1 and @a[0] == 1 and !a[0] == 9
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { [3-4] ?1 ?? ?3 ?? ?4 ?? }
+
+ condition:
+ #a == 1 and @a[0] == 1 and !a[0] == 9
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ?? 3? ?? 4? ?? 6? [3-] }
+
+ condition:
+ #a == 1 and @a[0] == 1 and !a[0] == 9
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ def testPipedPlainHexPatterns(self):
+ """Look for several patterns at once with piped definition."""
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 41 62 ( 63 | 64 | 65 ) }
+
+ condition:
+ #a == 1 and @a[0] == 4 and !a[0] == 3
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ( 41 | f2 | f3 ) 62 63 }
+
+ condition:
+ #a == 1 and @a[0] == 4 and !a[0] == 3
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 41 ( 61 | 62 | 63 ) 63 }
+
+ condition:
+ #a == 1 and @a[0] == 4 and !a[0] == 3
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ( 41 62 63 | 42 62 63 | 43 62 63 ) }
+
+ condition:
+ #a == 1 and @a[0] == 4 and !a[0] == 3
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ def testPipedMaskedHexPatterns(self):
+ """Look for several patterns at once with piped and masked definition."""
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 4? 6? ( ?3 | ?4 | ?5 ) }
+
+ condition:
+ #a == 1 and @a[0] == 4 and !a[0] == 3
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ( ?1 | ?2 | ?3 ) 6? 6? }
+
+ condition:
+ #a == 1 and @a[0] == 4 and !a[0] == 3
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { 4? ( ?1 | ?2 | ?3 ) 6? }
+
+ condition:
+ #a == 1 and @a[0] == 4 and !a[0] == 3
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
+
+
+ def testDuplicatedResultsFiltering(self):
+ """Filter duplicated results."""
+
+ cnt = MemoryContent(b'123-Abc-456')
+
+ rule = '''
+rule test {
+
+ bytes:
+ $a = { ( 4? ?2 ?3 | 4? 6? 6? | ?3 6? ?3 ) }
+
+ condition:
+ #a == 1 and @a[0] == 4 and !a[0] == 3
+
+}
+'''
+
+ self.check_rule_success(rule, content=cnt)
generated by cgit v0.11.2-87-g4458 at 2025-10-30 23:52:03 (GMT)