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Merge branch 'bwhitn-control'

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This commit is contained in:
n1474335 2017-12-19 13:18:58 +00:00
commit 67b0fdf73e
7 changed files with 88 additions and 35 deletions
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2
README.md
View File

@ -100,6 +100,6 @@ CyberChef is released under the [Apache 2.0 Licence](https://www.apache.org/lice
[5]: https://gchq.github.io/CyberChef/#recipe=From_Hexdump()Gunzip()&input=MDAwMDAwMDAgIDFmIDhiIDA4IDAwIDEyIGJjIGYzIDU3IDAwIGZmIDBkIGM3IGMxIDA5IDAwIDIwICB8Li4uLi6881cu/y7HwS4uIHwKMDAwMDAwMTAgIDA4IDA1IGQwIDU1IGZlIDA0IDJkIGQzIDA0IDFmIGNhIDhjIDQ0IDIxIDViIGZmICB8Li7QVf4uLdMuLsouRCFb/3wKMDAwMDAwMjAgIDYwIGM3IGQ3IDAzIDE2IGJlIDQwIDFmIDc4IDRhIDNmIDA5IDg5IDBiIDlhIDdkICB8YMfXLi6%2BQC54Sj8uLi4ufXwKMDAwMDAwMzAgIDRlIGM4IDRlIDZkIDA1IDFlIDAxIDhiIDRjIDI0IDAwIDAwIDAwICAgICAgICAgICB8TshObS4uLi5MJC4uLnw
[6]: https://gchq.github.io/CyberChef/#recipe=RC4(%7B'option':'UTF8','string':'secret'%7D,'Hex','Hex')Disassemble_x86('64','Full%20x86%20architecture',16,0,true,true)&input=MjFkZGQyNTQwMTYwZWU2NWZlMDc3NzEwM2YyYTM5ZmJlNWJjYjZhYTBhYWJkNDE0ZjkwYzZjYWY1MzEyNzU0YWY3NzRiNzZiM2JiY2QxOTNjYjNkZGZkYmM1YTI2NTMzYTY4NmI1OWI4ZmVkNGQzODBkNDc0NDIwMWFlYzIwNDA1MDcxMzhlMmZlMmIzOTUwNDQ2ZGIzMWQyYmM2MjliZTRkM2YyZWIwMDQzYzI5M2Q3YTVkMjk2MmMwMGZlNmRhMzAwNzJkOGM1YTZiNGZlN2Q4NTlhMDQwZWVhZjI5OTczMzYzMDJmNWEwZWMxOQ
[7]: https://gchq.github.io/CyberChef/#recipe=Fork('%5C%5Cn','%5C%5Cn',false)From_UNIX_Timestamp('Seconds%20(s)')&input=OTc4MzQ2ODAwCjEwMTI2NTEyMDAKMTA0NjY5NjQwMAoxMDgxMDg3MjAwCjExMTUzMDUyMDAKMTE0OTYwOTYwMA
[8]: https://gchq.github.io/CyberChef/#recipe=Fork('%5C%5Cn','%5C%5Cn',false)Conditional_Jump('1',2,10)To_Hex('Space')Return()To_Base64('A-Za-z0-9%2B/%3D')&input=U29tZSBkYXRhIHdpdGggYSAxIGluIGl0ClNvbWUgZGF0YSB3aXRoIGEgMiBpbiBpdA
[8]: https://gchq.github.ioeCyberChef/#recipe=Fork('%5C%5Cn','%5C%5Cn',false)Conditional_Jump('1',false,'base64',10)To_Hex('Space')Return()Label('base64')To_Base64('A-Za-z0-9%2B/%3D')&input=U29tZSBkYXRhIHdpdGggYSAxIGluIGl0ClNvbWUgZGF0YSB3aXRoIGEgMiBpbiBpdA
[9]: https://gchq.github.io/CyberChef/#recipe=Register('key%3D(%5B%5C%5Cda-f%5D*)',true,false)Find_/_Replace(%7B'option':'Regex','string':'.*data%3D(.*)'%7D,'$1',true,false,true)RC4(%7B'option':'Hex','string':'$R0'%7D,'Hex','Latin1')&input=aHR0cDovL21hbHdhcmV6LmJpei9iZWFjb24ucGhwP2tleT0wZTkzMmE1YyZkYXRhPThkYjdkNWViZTM4NjYzYTU0ZWNiYjMzNGUzZGIxMQ
[10]: https://gchq.github.io/CyberChef/#recipe=XOR(%7B'option':'Hex','string':'3a'%7D,'',false)To_Hexdump(16,false,false)&input=VGhlIGFuc3dlciB0byB0aGUgdWx0aW1hdGUgcXVlc3Rpb24gb2YgbGlmZSwgdGhlIFVuaXZlcnNlLCBhbmQgZXZlcnl0aGluZyBpcyA0Mi4

50
src/core/FlowControl.js
View File

@ -170,18 +170,14 @@ const FlowControl = {
*/
runJump: function(state) {
let ings = state.opList[state.progress].getIngValues(),
jumpNum = ings[0],
jmpIndex = FlowControl._getLabelIndex(ings[0], state),
maxJumps = ings[1];
if (jumpNum < 0) {
jumpNum--;
}
if (state.numJumps >= maxJumps) {
if (state.numJumps >= maxJumps || jmpIndex === -1) {
return state;
}
state.progress += jumpNum;
state.progress = jmpIndex;
state.numJumps++;
return state;
},
@ -201,20 +197,20 @@ const FlowControl = {
let ings = state.opList[state.progress].getIngValues(),
dish = state.dish,
regexStr = ings[0],
jumpNum = ings[1],
maxJumps = ings[2];
invert = ings[1],
jmpIndex = FlowControl._getLabelIndex(ings[2], state),
maxJumps = ings[3];
if (jumpNum < 0) {
jumpNum--;
}
if (state.numJumps >= maxJumps) {
if (state.numJumps >= maxJumps || jmpIndex === -1) {
return state;
}
if (regexStr !== "" && dish.get(Dish.STRING).search(regexStr) > -1) {
state.progress += jumpNum;
state.numJumps++;
if (regexStr !== "") {
let strMatch = dish.get(Dish.STRING).search(regexStr) > -1;
if (!invert && strMatch || invert && !strMatch) {
state.progress = jmpIndex;
state.numJumps++;
}
}
return state;
@ -249,6 +245,26 @@ const FlowControl = {
return state;
},
/**
* Returns the index of a label.
*
* @param {Object} state
* @param {string} name
* @returns {number}
*/
_getLabelIndex: function(name, state) {
for (let o = 0; o < state.opList.length; o++) {
let operation = state.opList[o];
if (operation.name === "Label"){
let ings = operation.getIngValues();
if (name === ings[0]) {
return o;
}
}
}
return -1;
},
};
export default FlowControl;

1
src/core/config/Categories.js
View File

@ -320,6 +320,7 @@ const Categories = [
"Fork",
"Merge",
"Register",
"Label",
"Jump",
"Conditional Jump",
"Return",

35
src/core/config/OperationConfig.js
View File

@ -137,15 +137,15 @@ const OperationConfig = {
},
"Jump": {
module: "Default",
description: "Jump forwards or backwards over the specified number of operations.",
description: "Jump forwards or backwards to the specified Label",
inputType: "string",
outputType: "string",
flowControl: true,
args: [
{
name: "Number of operations to jump over",
type: "number",
value: 0
name: "Label name",
type: "string",
value: ""
},
{
name: "Maximum jumps (if jumping backwards)",
@ -156,7 +156,7 @@ const OperationConfig = {
},
"Conditional Jump": {
module: "Default",
description: "Conditionally jump forwards or backwards over the specified number of operations based on whether the data matches the specified regular expression.",
description: "Conditionally jump forwards or backwards to the specified Label based on whether the data matches the specified regular expression.",
inputType: "string",
outputType: "string",
flowControl: true,
@ -167,9 +167,14 @@ const OperationConfig = {
value: ""
},
{
name: "Number of operations to jump over if match found",
type: "number",
value: 0
name: "Invert match",
type: "boolean",
value: false
},
{
name: "Label name",
type: "shortString",
value: ""
},
{
name: "Maximum jumps (if jumping backwards)",
@ -178,6 +183,20 @@ const OperationConfig = {
}
]
},
"Label": {
module: "Default",
description: "Provides a location for conditional and fixed jumps to redirect execution to.",
inputType: "string",
outputType: "string",
flowControl: true,
args: [
{
name: "Name",
type: "shortString",
value: ""
}
]
},
"Return": {
module: "Default",
description: "End execution of operations at this point in the recipe.",

1
src/core/config/modules/Default.js
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@ -151,6 +151,7 @@ OpModules.Default = {
"Fork": FlowControl.runFork,
"Merge": FlowControl.runMerge,
"Register": FlowControl.runRegister,
"Label": FlowControl.runComment,
"Jump": FlowControl.runJump,
"Conditional Jump": FlowControl.runCondJump,
"Return": FlowControl.runReturn,

2
src/web/html/index.html
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@ -428,7 +428,7 @@
<li><a href="#recipe=From_Hexdump()Gunzip()&input=MDAwMDAwMDAgIDFmIDhiIDA4IDAwIDEyIGJjIGYzIDU3IDAwIGZmIDBkIGM3IGMxIDA5IDAwIDIwICB8Li4uLi6881cu/y7HwS4uIHwKMDAwMDAwMTAgIDA4IDA1IGQwIDU1IGZlIDA0IDJkIGQzIDA0IDFmIGNhIDhjIDQ0IDIxIDViIGZmICB8Li7QVf4uLdMuLsouRCFb/3wKMDAwMDAwMjAgIDYwIGM3IGQ3IDAzIDE2IGJlIDQwIDFmIDc4IDRhIDNmIDA5IDg5IDBiIDlhIDdkICB8YMfXLi6%2BQC54Sj8uLi4ufXwKMDAwMDAwMzAgIDRlIGM4IDRlIDZkIDA1IDFlIDAxIDhiIDRjIDI0IDAwIDAwIDAwICAgICAgICAgICB8TshObS4uLi5MJC4uLnw">Convert data from a hexdump, then decompress</a></li>
<li><a href="#recipe=RC4(%7B'option':'UTF8','string':'secret'%7D,'Hex','Hex')Disassemble_x86('64','Full%20x86%20architecture',16,0,true,true)&input=MjFkZGQyNTQwMTYwZWU2NWZlMDc3NzEwM2YyYTM5ZmJlNWJjYjZhYTBhYWJkNDE0ZjkwYzZjYWY1MzEyNzU0YWY3NzRiNzZiM2JiY2QxOTNjYjNkZGZkYmM1YTI2NTMzYTY4NmI1OWI4ZmVkNGQzODBkNDc0NDIwMWFlYzIwNDA1MDcxMzhlMmZlMmIzOTUwNDQ2ZGIzMWQyYmM2MjliZTRkM2YyZWIwMDQzYzI5M2Q3YTVkMjk2MmMwMGZlNmRhMzAwNzJkOGM1YTZiNGZlN2Q4NTlhMDQwZWVhZjI5OTczMzYzMDJmNWEwZWMxOQ">Decrypt and disassemble shellcode</a></li>
<li><a href="#recipe=Fork('%5C%5Cn','%5C%5Cn',false)From_UNIX_Timestamp('Seconds%20(s)')&input=OTc4MzQ2ODAwCjEwMTI2NTEyMDAKMTA0NjY5NjQwMAoxMDgxMDg3MjAwCjExMTUzMDUyMDAKMTE0OTYwOTYwMA">Display multiple timestamps as full dates</a></li>
<li><a href="#recipe=Fork('%5C%5Cn','%5C%5Cn',false)Conditional_Jump('1',2,10)To_Hex('Space')Return()To_Base64('A-Za-z0-9%2B/%3D')&input=U29tZSBkYXRhIHdpdGggYSAxIGluIGl0ClNvbWUgZGF0YSB3aXRoIGEgMiBpbiBpdA">Carry out different operations on data of different types</a></li>
<li><a href="#recipe=Fork('%5C%5Cn','%5C%5Cn',false)Conditional_Jump('1',false,'base64',10)To_Hex('Space')Return()Label('base64')To_Base64('A-Za-z0-9%2B/%3D')&input=U29tZSBkYXRhIHdpdGggYSAxIGluIGl0ClNvbWUgZGF0YSB3aXRoIGEgMiBpbiBpdA">Carry out different operations on data of different types</a></li>
<li><a href="#recipe=Register('key%3D(%5B%5C%5Cda-f%5D*)',true,false)Find_/_Replace(%7B'option':'Regex','string':'.*data%3D(.*)'%7D,'$1',true,false,true)RC4(%7B'option':'Hex','string':'$R0'%7D,'Hex','Latin1')&input=aHR0cDovL21hbHdhcmV6LmJpei9iZWFjb24ucGhwP2tleT0wZTkzMmE1YyZkYXRhPThkYjdkNWViZTM4NjYzYTU0ZWNiYjMzNGUzZGIxMQ">Use parts of the input as arguments to operations</a></li>
</ul>
</div>

32
test/tests/operations/FlowControl.js
View File

@ -60,14 +60,15 @@ TestRegister.addTests([
expectedOutput: "U29tZSBkYXRhIHdpdGggYSAxIGluIGl0\n53 6f 6d 65 20 64 61 74 61 20 77 69 74 68 20 61 20 32 20 69 6e 20 69 74\n",
recipeConfig: [
{"op": "Fork", "args": ["\\n", "\\n", false]},
{"op": "Conditional Jump", "args": ["1", "2", "10"]},
{"op": "Conditional Jump", "args": ["1", false, "skipReturn", "10"]},
{"op": "To Hex", "args": ["Space"]},
{"op": "Return", "args": []},
{"op": "Label", "args": ["skipReturn"]},
{"op": "To Base64", "args": ["A-Za-z0-9+/="]}
]
},
{
name: "Jump: skips 0",
name: "Jump: Empty Label",
input: [
"should be changed",
].join("\n"),
@ -77,7 +78,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "Jump",
args: [0, 10],
args: ["", 10],
},
{
op: "Find / Replace",
@ -105,7 +106,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "Jump",
args: [1, 10],
args: ["skipReplace", 10],
},
{
op: "Find / Replace",
@ -120,6 +121,10 @@ TestRegister.addTests([
true,
],
},
{
op: "Label",
args: ["skipReplace"]
},
],
},
{
@ -137,7 +142,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "Conditional Jump",
args: ["match", 0, 0],
args: ["match", false, "", 0],
},
{
op: "Find / Replace",
@ -212,7 +217,7 @@ TestRegister.addTests([
recipeConfig: [
{
op: "Conditional Jump",
args: ["match", 1, 10],
args: ["match", false, "skip match", 10],
},
{
op: "Find / Replace",
@ -227,6 +232,9 @@ TestRegister.addTests([
true,
],
},
{
op: "Label", args: ["skip match"],
},
{
op: "Find / Replace",
args: [
@ -251,9 +259,13 @@ TestRegister.addTests([
"replaced",
].join("\n"),
recipeConfig: [
{
op: "Label",
args: ["back to the beginning"],
},
{
op: "Jump",
args: [1],
args: ["skip replace"],
},
{
op: "Find / Replace",
@ -268,9 +280,13 @@ TestRegister.addTests([
true,
],
},
{
op: "Label",
args: ["skip replace"],
},
{
op: "Conditional Jump",
args: ["match", -2, 10],
args: ["match", false, "back to the beginning", 10],
},
],
},