一、选择Burp Suite插件开发语言
Burp Suite支持Java,Python,Ruby编写他的插件，在这里我们选用Python作为我们插件的开发语言，Python分很多种，常见的比如Jython，Cython等等。今天我们用的是Jython，Jython为我们提供了Python的库，同时也提供了所有java的类。
二、配置Jython环境
我们需要让Burp Suite加载我们的插件，在http://www.jython.org/downloads.html下载2.7.0版本（可下载Standalone独立jar包）。下载好后如下图使Burp Suite加载Python插件。
三、介绍API
Burp Suite官方API文档：https://portswigger.net/burp/extender/api/index.html
从Burp Suite上我们可以直接查看api文档，也可下载到本地：
1.（红色）插件入口和帮助接口类：
IBurpExtender # Burp插件的入口
IBurpExtenderCallbacks # IBurpExtender接口的实现类
IExtensionHelpers # 帮助接口
IExtensionStateListener # 管理操作接口
2.（绿色）UI相关接口类：
IContextMenuFactory
IContextMenuInvocation
ITab
ITextEditor
IMessageEditor
IMenuItemHandler
# 以上主要是定义Burp插件的UI显示和动作的处理事件，主要是软件交互中使用
3.（蓝色） Burp工具组件接口类：
IInterceptedProxyMessage
IIntruderAttack
IIntruderPayloadGenerator
IIntruderPayloadGeneratorFactory
IIntruderPayloadProcessor
IProxyListener
IScanIssue
IScannerCheck
IScannerInsertionPoint
IScannerInsertionPointProvider
IScannerListener
IScanQueueItem
IScopeChangeListener
# Burp Suite工具组件接口类
4.（棕色）HTTP消息处理接口类：
ICookie
IHttpListener
IHttpRequestResponse
IHttpRequestResponsePersisted
IHttpRequestResponseWithMarkers
IHttpService
IRequestInfo
IParameter
IResponseInfo
# 处理Cookie、Request、Response、Parameter等消息头接口类
四、官方插件开发示例
官方给出了简单的插件示例，包括java，python，ruby版本
https://portswigger.net/burp/extender#SampleExtensions
五、实战开发
目前jython还不支持python3，所以我们开发时还是采用python2的语法。
from burp import IBurpExtender
from burp import IIntruderPayloadGeneratorFactory
from burp import IIntruderPayloadGenerator
from java.util import List, ArrayList
import random
class BurpExtender(IBurpExtender, IIntruderPayloadGeneratorFactory):
def registerExtenderCallbacks(self, callbacks):
self._callbacks = callbacks
self._helpers = callbacks.getHelpers()
callbacks.setExtensionName("burp—plugin")
callbacks.registerIntruderPayloadGeneratorFactory(self)
return
def getGeneratorName(self):
return "burp—plugin"
def createNewInstance(self, attack):
return BHPFuzzer(self, attack)
class BHPFuzzer(IIntruderPayloadGenerator):
def __init__(self, extender, attack):
self._extender = extender
self._helpers = extender._helpers
self._attack = attack
print "burp—plugin"
self.max_payloads = 1000
self.num_payloads = 0
return
def hasMorePayloads(self):
print "hasMorePayloads called."
if self.num_payloads == self.max_payloads:
print "No more payloads."
return False
else:
print "More payloads. Continuing."
return True
def getNextPayload(self,current_payload):
payload = "".join(chr(x) for x in current_payload)
payload = self.mutate_payload(payload)
self.num_payloads += 1
return payload
def reset(self):
self.num_payloads = 0
return
def mutate_payload(self,original_payload):
picker = random.randint(1,3)
offset = random.randint(0,len(original_payload)-1)
payload = original_payload[:offset]
if picker == 1:
payload += "'"
if picker == 2:
payload += "<script>alert('xss');</script>";
if picker == 3:
chunk_length = random.randint(len(payload[offset:]),len(payload)-1)
repeater = random.randint(1,10)
for i in range(repeater):
payload += original_payload[offset:offset+chunk_length]
payload += original_payload[offset:]
return payload *本文作者：锋之刃安全团队，转载请注明来自FreeBuf.COM
来源：freebuf.com 2019-01-13 08:00:26 by: 锋之刃安全团队
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