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Lines changed: 173 additions & 4 deletions

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‎dev.skidfuscator.obfuscator/src/main/java/dev/skidfuscator/obf/SkidMethodRenderer.java‎

Lines changed: 9 additions & 4 deletions
Original file line numberDiff line numberDiff line change
@@ -8,6 +8,7 @@
88
import dev.skidfuscator.obf.transform.impl.fixer.ExceptionFixerPass;
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import dev.skidfuscator.obf.transform.impl.fixer.SwitchFixerPass;
1010
import dev.skidfuscator.obf.transform.impl.flow.*;
11+
import dev.skidfuscator.obf.transform.impl.kappa.AhegaoPass;
1112
import dev.skidfuscator.obf.transform.impl.kappa.SuperDuperAgentPass;
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import dev.skidfuscator.obf.utils.ProgressUtil;
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import dev.skidfuscator.obf.utils.TimedLogger;
@@ -39,14 +40,18 @@ public void render(final SkidSession skidSession) {
3940
logger.log("Beginning Skidfuscator 1.0.1...");
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4142
final ProjectPass[] projectPasses = new ProjectPass[]{
42-
new SuperDuperAgentPass()
43+
new AhegaoPass()
4344
};
4445

4546
if (Skidfuscator.preventDump) {
4647
logger.log("[*] Passing project passes...");
47-
for (ProjectPass projectPass : projectPasses) {
48-
projectPass.pass(skidSession);
49-
}
48+
final ProjectPass projectPass = new SuperDuperAgentPass();
49+
projectPass.pass(skidSession);
50+
}
51+
52+
logger.log("[*] Passing fun passes...");
53+
for (ProjectPass projectPass : projectPasses) {
54+
projectPass.pass(skidSession);
5055
}
5156

5257
final List<ClassNode> nodeList = Streams.stream(skidSession.getClassSource().iterate())

‎dev.skidfuscator.obfuscator/src/main/java/dev/skidfuscator/obf/transform/impl/kappa/AhegaoPass.java‎

Lines changed: 164 additions & 0 deletions
Original file line numberDiff line numberDiff line change
@@ -0,0 +1,164 @@
1+
package dev.skidfuscator.obf.transform.impl.kappa;
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3+
import dev.skidfuscator.obf.init.SkidSession;
4+
import dev.skidfuscator.obf.transform.impl.ProjectPass;
5+
import dev.skidfuscator.obf.utils.RandomUtil;
6+
import org.mapleir.asm.ClassNode;
7+
import org.mapleir.asm.FieldNode;
8+
import org.mapleir.asm.MethodNode;
9+
import org.mapleir.ir.TypeUtils;
10+
import org.mapleir.ir.cfg.BasicBlock;
11+
import org.mapleir.ir.cfg.ControlFlowGraph;
12+
import org.mapleir.ir.code.Expr;
13+
import org.mapleir.ir.code.Stmt;
14+
import org.mapleir.ir.code.expr.ConstantExpr;
15+
import org.mapleir.ir.code.expr.FieldLoadExpr;
16+
import org.mapleir.ir.code.expr.NewArrayExpr;
17+
import org.mapleir.ir.code.stmt.ArrayStoreStmt;
18+
import org.mapleir.ir.code.stmt.FieldStoreStmt;
19+
import org.mapleir.ir.code.stmt.PopStmt;
20+
import org.mapleir.ir.locals.Local;
21+
import org.objectweb.asm.Opcodes;
22+
import org.objectweb.asm.Type;
23+
24+
import java.util.Arrays;
25+
import java.util.List;
26+
import java.util.Random;
27+
import java.util.Stack;
28+
29+
/**
30+
* Do not question this. This is a stupid idea; Stupid ideas are bets. Bets are funny.
31+
* End of discussion.
32+
*/
33+
public class AhegaoPass implements ProjectPass {
34+
35+
@Override
36+
public void pass(SkidSession session) {
37+
for (ClassNode classNode : session.getClassSource().iterate()) {
38+
final org.objectweb.asm.tree.FieldNode fieldNode = new org.objectweb.asm.tree.FieldNode(
39+
Opcodes.ACC_PRIVATE | Opcodes.ACC_STATIC,
40+
"nothing_to_see_here",
41+
"[Ljava/lang/String;",
42+
null,
43+
null
44+
);
45+
final FieldNode mapleNode = new FieldNode(fieldNode, classNode);
46+
classNode.getFields().add(mapleNode);
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classNode.node.fields.add(fieldNode);
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49+
MethodNode clinit = classNode.getMethods().stream()
50+
.filter(e -> e.getName().equals("<clinit>") && e.getDesc().equals("()V"))
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.findFirst()
52+
.orElse(null);
53+
54+
if (clinit == null) {
55+
final org.objectweb.asm.tree.MethodNode asmclinit = new org.objectweb.asm.tree.MethodNode(
56+
Opcodes.ACC_STATIC,
57+
"<clinit>",
58+
"()V",
59+
null,
60+
new String[0]
61+
);
62+
63+
clinit = new MethodNode(asmclinit, classNode);
64+
65+
classNode.getMethods().add(clinit);
66+
classNode.node.methods.add(asmclinit);
67+
}
68+
69+
final String[] array = ahegaos.get(RandomUtil.nextInt(ahegaos.size()));
70+
71+
final NewArrayExpr array_expr = new NewArrayExpr(
72+
new Expr[] { new ConstantExpr(array.length, Type.INT_TYPE)},
73+
Type.getType(String[].class)
74+
);
75+
76+
77+
final ControlFlowGraph cfg = session.getCxt().getIRCache().getFor(clinit);
78+
79+
final Stack<Stmt> stack = new Stack<>();
80+
81+
stack.add(new FieldStoreStmt(
82+
null,
83+
array_expr,
84+
mapleNode.getOwner(),
85+
mapleNode.getName(),
86+
mapleNode.getDesc(),
87+
true
88+
));
89+
90+
for (int i = 0; i < array.length; i++) {
91+
stack.add(new ArrayStoreStmt(
92+
new FieldLoadExpr(
93+
null,
94+
mapleNode.getOwner(),
95+
mapleNode.getName(),
96+
mapleNode.getDesc(),
97+
true
98+
),
99+
new ConstantExpr(i, Type.INT_TYPE),
100+
new ConstantExpr(array[i]),
101+
TypeUtils.ArrayType.OBJECT
102+
));
103+
}
104+
105+
Stmt stmt = stack.pop();
106+
107+
if (cfg.getEntries().isEmpty()) {
108+
cfg.addVertex(new BasicBlock(cfg));
109+
}
110+
111+
while (stmt != null) {
112+
cfg.getEntries().iterator().next().add(0, stmt);
113+
114+
if (stack.isEmpty())
115+
break;
116+
stmt = stack.pop();
117+
}
118+
}
119+
}
120+
121+
@Override
122+
public String getName() {
123+
return "Ahegao Pass";
124+
}
125+
126+
private static final List<String[]> ahegaos = Arrays.asList(
127+
new String[] {
128+
"⠄⠄⠄⢰⣧⣼⣯⠄⣸⣠⣶⣶⣦⣾⠄⠄⠄⠄⡀⠄⢀⣿⣿⠄⠄⠄⢸⡇⠄⠄",
129+
"⠄⠄⠄⣾⣿⠿⠿⠶⠿⢿⣿⣿⣿⣿⣦⣤⣄⢀⡅⢠⣾⣛⡉⠄⠄⠄⠸⢀⣿⠄",
130+
"⠄⠄⢀⡋⣡⣴⣶⣶⡀⠄⠄⠙⢿⣿⣿⣿⣿⣿⣴⣿⣿⣿⢃⣤⣄⣀⣥⣿⣿⠄",
131+
"⠄⠄⢸⣇⠻⣿⣿⣿⣧⣀⢀⣠⡌⢻⣿⣿⣿⣿⣿⣿⣿⣿⣿⠿⠿⠿⣿⣿⣿⠄",
132+
"⠄⢀⢸⣿⣷⣤⣤⣤⣬⣙⣛⢿⣿⣿⣿⣿⣿⣿⡿⣿⣿⡍⠄⠄⢀⣤⣄⠉⠋⣰",
133+
"⠄⣼⣖⣿⣿⣿⣿⣿⣿⣿⣿⣿⢿⣿⣿⣿⣿⣿⢇⣿⣿⡷⠶⠶⢿⣿⣿⠇⢀⣤",
134+
"⠘⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣽⣿⣿⣿⡇⣿⣿⣿⣿⣿⣿⣷⣶⣥⣴⣿⡗",
135+
"⢀⠈⢿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⡟⠄",
136+
"⢸⣿⣦⣌⣛⣻⣿⣿⣧⠙⠛⠛⡭⠅⠒⠦⠭⣭⡻⣿⣿⣿⣿⣿⣿⣿⣿⡿⠃⠄",
137+
"⠘⣿⣿⣿⣿⣿⣿⣿⣿⡆⠄⠄⠄⠄⠄⠄⠄⠄⠹⠈⢋⣽⣿⣿⣿⣿⣵⣾⠃⠄",
138+
"⠄⠘⣿⣿⣿⣿⣿⣿⣿⣿⠄⣴⣿⣶⣄⠄⣴⣶⠄⢀⣾⣿⣿⣿⣿⣿⣿⠃⠄⠄",
139+
"⠄⠄⠈⠻⣿⣿⣿⣿⣿⣿⡄⢻⣿⣿⣿⠄⣿⣿⡀⣾⣿⣿⣿⣿⣛⠛⠁⠄⠄⠄",
140+
"⠄⠄⠄⠄⠈⠛⢿⣿⣿⣿⠁⠞⢿⣿⣿⡄⢿⣿⡇⣸⣿⣿⠿⠛⠁⠄⠄⠄⠄⠄",
141+
"⠄⠄⠄⠄⠄⠄⠄⠉⠻⣿⣿⣾⣦⡙⠻⣷⣾⣿⠃⠿⠋⠁⠄⠄⠄⠄⠄⢀⣠⣴",
142+
"⣿⣿⣿⣶⣶⣮⣥⣒⠲⢮⣝⡿⣿⣿⡆⣿⡿⠃⠄⠄⠄⠄⠄⠄⠄⣠⣴⣿⣿⣿"
143+
},
144+
new String[] {
145+
"⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⠄⣀⣠⣤⣶⣶⣶⣤⣄⣀⣀⠄⠄⠄⠄⠄",
146+
"⠄⠄⠄⠄⠄⠄⠄⠄⣀⣤⣤⣶⣿⣿⣿⣿⣿⣿⣿⣟⢿⣿⣿⣿⣶⣤⡀⠄",
147+
"⠄⠄⠄⠄⠄⠄⢀⣼⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣿⣷⣜⠿⠿⣿⣿⣧⢓",
148+
"⠄⠄⠄⠄⠄⡠⢛⣿⣿⣿⡟⣿⣿⣽⣋⠻⢻⣿⣿⣿⣿⡻⣧⡠⣭⣭⣿⡧",
149+
"⠄⠄⠄⠄⠄⢠⣿⡟⣿⢻⠃⣻⣨⣻⠿⡀⣝⡿⣿⣿⣷⣜⣜⢿⣝⡿⡻⢔",
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"⠄⠄⠄⠄⠄⢸⡟⣷⢿⢈⣚⣓⡡⣻⣿⣶⣬⣛⣓⣉⡻⢿⣎⠢⠻⣴⡾⠫",
151+
"⠄⠄⠄⠄⠄⢸⠃⢹⡼⢸⣿⣿⣿⣦⣹⣿⣿⣿⠿⠿⠿⠷⣎⡼⠆⣿⠵⣫",
152+
"⠄⠄⠄⠄⠄⠈⠄⠸⡟⡜⣩⡄⠄⣿⣿⣿⣿⣶⢀⢀⣿⣷⣿⣿⡐⡇⡄⣿",
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"⠄⠄⠄⠄⠄⠄⠄⠄⠁⢶⢻⣧⣖⣿⣿⣿⣿⣿⣿⣿⣿⡏⣿⣇⡟⣇⣷⣿",
154+
"⠄⠄⠄⠄⠄⠄⠄⠄⠄⢸⣆⣤⣽⣿⡿⠿⠿⣿⣿⣦⣴⡇⣿⢨⣾⣿⢹⢸",
155+
"⠄⠄⠄⠄⠄⠄⠄⠄⠄⢸⣿⠊⡛⢿⣿⣿⣿⣿⡿⣫⢱⢺⡇⡏⣿⣿⣸⡼",
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"⠄⠄⠄⠄⠄⠄⠄⠄⠄⢸⡿⠄⣿⣷⣾⡍⣭⣶⣿⣿⡌⣼⣹⢱⠹⣿⣇⣧",
157+
"⠄⠄⠄⠄⠄⠄⠄⠄⠄⣼⠁⣤⣭⣭⡌⢁⣼⣿⣿⣿⢹⡇⣭⣤⣶⣤⡝⡼",
158+
"⠄⣀⠤⡀⠄⠄⠄⠄⠄⡏⣈⡻⡿⠃⢀⣾⣿⣿⣿⡿⡼⠁⣿⣿⣿⡿⢷⢸",
159+
"⢰⣷⡧⡢⠄⠄⠄⠄⠠⢠⡛⠿⠄⠠⠬⠿⣿⠭⠭⢱⣇⣀⣭⡅⠶⣾⣷⣶",
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"⠈⢿⣿⣧⠄⠄⠄⠄⢀⡛⠿⠄⠄⠄⠄⢠⠃⠄⠄⡜⠄⠄⣤⢀⣶⣮⡍⣴",
161+
"⠄⠈⣿⣿⡀⠄⠄⠄⢩⣝⠃⠄⠄⢀⡄⡎⠄⠄⠄⠇⠄⠄⠅⣴⣶⣶⠄⣶"
162+
}
163+
);
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}

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