内容简介:libc堆栈溢出程序计数器崩溃
beebug是一款用于检查bug可利用性的工具。该 工具 发布于上周在巴塞罗那举行的 r2con 2018 会议上。
以下是一些已实现的功能:
libc堆栈溢出
程序计数器崩溃
branch崩溃
写内存崩溃
堆漏洞
读取访问冲突(一些可利用的用例)
崩溃分析(视图)
依赖包
r2pipe pydot graphviz pyqtgraph
安装
~ $ wget https://github.com/radare/radare2/archive/2.7.0.tar.gz ~ $ tar xzvf 2.7.0.tar.gz ~ $ cd radare2-2.7.0/ ~/radare2-2.7.0 $ ./configure --prefix=/usr ~/radare2-2.7.0 $ make -j8 ~/radare2-2.7.0 $ sudo make install # apt-get install graphviz # pip3 install -r requirements.txt
使用
# python3 ./beebug.py -h usage: beebug.py [-h] -t TARGET [-a TARGETARGS] [-f FILE] [-g GRAPH] optional arguments: -h, --help 显示帮助信息并退出 -t TARGET, --target TARGET 分析的目标程序 -a TARGETARGS, --targetargs TARGETARGS 目标程序参数 -f FILE, --file FILE 输入文件 -g GRAPH, --graph GRAPH 生成视图
示例
# python3 ./beebug.py -t tests/crash_on_pc Process with PID 7691 started... File dbg:///home/invictus1306/Documents/r2conf/beebug/beebug/tests/crash_on_pc reopened in read-write mode = attach 7691 7691 child stopped with signal 11 [+] SIGNAL 11 errno=0 addr=0x00601038 code=2 ret=0 Crash on PC - Generally it is exploitable, the PC could be tainted backtrace 0 0x601038 sp: 0x0 0 [??] obj.foo obj.foo0 1 0x4004f1 sp: 0x7ffdfa75d8e8 0 [sym.main] main+27 2 0x7f2669d00830 sp: 0x7ffdfa75d908 32 [??] r11+240 3 0x7f266a0ba7cb sp: 0x7ffdfa75d998 144 [??] sym.dl_rtld_di_serinfo+29051 4 0x400409 sp: 0x7ffdfa75d9c8 48 [??] entry0+41 registers rax = 0x00601038 rbx = 0x00000000 rcx = 0x00000000 rdx = 0x7ffdfa75d9f8 r8 = 0x00400570 r9 = 0x7f266a0baab0 r10 = 0x00000846 r11 = 0x7f2669d00740 r12 = 0x004003e0 r13 = 0x7ffdfa75d9e0 r14 = 0x00000000 r15 = 0x00000000 rsi = 0x7ffdfa75d9e8 rdi = 0x0000000a rsp = 0x7ffdfa75d8e8 rbp = 0x7ffdfa75d900 rip = 0x00601038 rflags = 0x00010206 orax = 0xffffffffffffffff
生成视图
# python3 ./beebug.py -t tests/crash_on_pc -g crash_on_pc ... # display crash_on_pc.png
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