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cilame 2021-11-20 20:59:42 +08:00
parent e82aec626c
commit 1a6c7fb0cb
1 changed files with 37 additions and 6 deletions
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43
tools/babel_asttool.js
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@ -32855,9 +32855,10 @@ function pas_ob_encfunc(ast){
traverse(ast, {FunctionDeclaration: findobsortlist})
traverse(ast, {FunctionDeclaration: findobfunc})
eval(obfuncstr.join(';'))
// 收集必要的函数进行批量还原
var collects = []
var collect_names = []
var collect_names = [obdecname]
var collect_removes = []
function judge(path){
return path.node.body.body.length == 1
@ -32876,7 +32877,20 @@ function pas_ob_encfunc(ast){
}
}
}
var collect_removes_var = []
function collect_alldecvars(path){
var left = path.node.id
var right = path.node.init
if (right && right.type == 'Identifier' && collect_names.indexOf(right.name) != -1){
var t = 'var ' + generator(path.node, {minified:true}).code
if (collects.indexOf(t) == -1){
collects.push(t)
collect_names.push(left.name)
}
}
}
traverse(ast, {FunctionDeclaration: collect_alldecfunc})
traverse(ast, {VariableDeclarator: collect_alldecvars})
eval(collects.join(';'))
function parse_values(path){
var name = path.node.callee.name
@ -32889,12 +32903,19 @@ function pas_ob_encfunc(ast){
}
traverse(ast, {CallExpression: parse_values})
function collect_removefunc(path){
if (judge(path) && collect_removes.indexOf(path.node.id.name) != -1
){
if (judge(path) && collect_removes.indexOf(path.node.id.name) != -1){
path.remove()
}
}
function collect_removevars(path){
var left = path.node.id
var right = path.node.init
if (right && right.type == 'Identifier' && collect_names.indexOf(right.name) != -1){
path.remove()
}
}
traverse(ast, {FunctionDeclaration: collect_removefunc})
traverse(ast, {VariableDeclarator: collect_removevars})
}
@ -32910,6 +32931,14 @@ function pas_ob_encfunc(ast){
@ -32928,7 +32957,7 @@ function muti_process_defusion(jscode){
traverse(ast, {ConditionalExpression: TransCondition,}); // 三元表达式
traverse(ast, {ExpressionStatement: ConditionToIf,}); // 三元表达式转换成if
traverse(ast, {ExpressionStatement: And2If}); // 单行语句如果是 a && b 形式转换成 if(a){ b }
traverse(ast, {VariableDeclaration: ConditionVarToIf,}); // 赋值语句的 三元表达式转换成if
traverse(ast, {VariableDeclaration: ConditionVarToIf,}); // 赋值语句的 三元表达式转换成if
traverse(ast, {ExpressionStatement: RemoveComma,}); // 逗号表达式转换
traverse(ast, {VariableDeclaration: RemoveVarComma,}); // 赋值语句的 逗号表达式转换
traverse(ast, {MemberExpression: FormatMember,}); // obj['func1']['func2']() --> obj.func1.func2()
@ -32948,6 +32977,7 @@ function muti_process_sojsondefusion(jscode){
traverse(ast, {VariableDeclarator: {exit: MergeObj},}); // 可能出问题（不可通用）
traverse(ast, {BinaryExpression: {exit: calcBinary}})
traverse(ast, {VariableDeclarator: {exit: CallToStr},}); // 可能出问题（不可通用）
traverse(ast, {IfStatement: ClearDeadCode}); // 清理死代码，这里不清理可能会导致错误
traverse(ast, {WhileStatement: {exit: [ReplaceWhile]},}); // 反控制流平坦化
// 通用解混淆部分
@ -32956,7 +32986,7 @@ function muti_process_sojsondefusion(jscode){
traverse(ast, {ConditionalExpression: TransCondition,}); // 三元表达式
traverse(ast, {ExpressionStatement: ConditionToIf,}); // 三元表达式转换成if
traverse(ast, {ExpressionStatement: And2If}); // 单行语句如果是 a && b 形式转换成 if(a){ b }
traverse(ast, {VariableDeclaration: ConditionVarToIf,}); // 赋值语句的 三元表达式转换成if
traverse(ast, {VariableDeclaration: ConditionVarToIf,}); // 赋值语句的 三元表达式转换成if
traverse(ast, {ExpressionStatement: RemoveComma,}); // 逗号表达式转换
traverse(ast, {VariableDeclaration: RemoveVarComma,}); // 赋值语句的 逗号表达式转换
traverse(ast, {MemberExpression: FormatMember,}); // obj['func1']['func2']() --> obj.func1.func2()
@ -32975,6 +33005,7 @@ function muti_process_obdefusion(jscode){
traverse(ast, {VariableDeclarator: {exit: MergeObj},}); // 可能出问题（不可通用）
traverse(ast, {BinaryExpression: {exit: calcBinary}})
traverse(ast, {VariableDeclarator: {exit: CallToStr},}); // 可能出问题（不可通用）
traverse(ast, {IfStatement: ClearDeadCode}); // 清理死代码，这里不清理可能会导致错误
traverse(ast, {WhileStatement: {exit: [ReplaceWhile]},}); // 反控制流平坦化
// 通用解混淆部分
@ -32982,7 +33013,7 @@ function muti_process_obdefusion(jscode){
traverse(ast, {NumericLiteral: delExtra,}) // 清理二进制显示内容
traverse(ast, {ConditionalExpression: TransCondition,}); // 三元表达式
traverse(ast, {ExpressionStatement: ConditionToIf,}); // 三元表达式转换成if
traverse(ast, {VariableDeclaration: ConditionVarToIf,}); // 赋值语句的 三元表达式转换成if
traverse(ast, {VariableDeclaration: ConditionVarToIf,}); // 赋值语句的 三元表达式转换成if
traverse(ast, {ExpressionStatement: RemoveComma,}); // 逗号表达式转换
traverse(ast, {VariableDeclaration: RemoveVarComma,}); // 赋值语句的 逗号表达式转换
traverse(ast, {MemberExpression: FormatMember,}); // obj['func1']['func2']() --> obj.func1.func2()