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Code Issues Releases Wiki Activity

Fixed how the Windows MeshAgent's are downloaded from the server.

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Ylian Saint-Hilaire 2019-10-23 13:12:30 -07:00
parent 8f4e31be74
commit 8807ae3b3c
4 changed files with 33 additions and 5 deletions
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6
exeHandler.js
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@ -24,6 +24,7 @@ limitations under the License.
const exeJavaScriptGuid = 'B996015880544A19B7F7E9BE44914C18';
const exeMeshPolicyGuid = 'B996015880544A19B7F7E9BE44914C19';
const exeNullPolicyGuid = 'B996015880544A19B7F7E9BE44914C20';
// Changes a Windows Executable to add JavaScript inside of it.
@ -76,6 +77,7 @@ module.exports.streamExeWithJavaScript = function (options) {
// sourceFileName: 'pathToBinary',
// destinationStream: 'outputStream'
// msh: 'mshContent',
// randomPolicy: true, // Set is the MSH contains random data
// peinfo {} // Optional, if PE header already parsed place it here.
// }
//
@ -100,7 +102,7 @@ module.exports.streamExeWithMeshPolicy = function (options) {
var sz = Buffer.alloc(4);
sz.writeUInt32BE(this.options.msh.length, 0);
this.options.destinationStream.write(sz); // Length in small endian
this.options.destinationStream.end(Buffer.from(exeMeshPolicyGuid, 'hex')); // Guid
this.options.destinationStream.end(Buffer.from((this.options.randomPolicy === true) ? exeNullPolicyGuid : exeMeshPolicyGuid, 'hex')); // Guid
});
// Pipe the entire source binary without ending the stream.
options.destinationStream.sourceStream.pipe(options.destinationStream, { end: false });
@ -140,7 +142,7 @@ module.exports.streamExeWithMeshPolicy = function (options) {
var sz = Buffer.alloc(4);
sz.writeUInt32BE(this.options.msh.length, 0);
this.options.destinationStream.write(sz); // MSH Length, small-endian
this.options.destinationStream.end(Buffer.from(exeMeshPolicyGuid, 'hex')); // MSH GUID
this.options.destinationStream.end(Buffer.from((this.options.randomPolicy === true) ? exeNullPolicyGuid : exeMeshPolicyGuid, 'hex')); // Guid
});
source3.pipe(this.options.destinationStream, { end: false });
this.options.sourceStream = source3;