Upload
mohameddiouane
View
26
Download
4
Embed Size (px)
DESCRIPTION
sécurité de netbios samba
Citation preview
!#"%$'&)(*(+-,/.0(1243658769;:6?>?,1+@
ACBED
76!91F
B6BHG
I
"!$#%'&(*)+!, -
.0/1 2435+)76 6*8:9;8:=?%'8@6*8A6*6*)+!, B
-DCE)GF,8:2H%I#8@6*J:&K%L)G JE#'8NM$OQP R
BSOQ!T 6U#8@V'2H6*6*8 R
W0XY8A6*&(L)+V*)+!,Z#'8V5+%'6 )78A%L6[V2H\]%'8A 6M$OQP ^
_4` Ibadcfe gihkjAlfm(lin?oKjYpKe jHekcqm(r?htsHh guvmxwAyHhlqg{z4|@} ```t``````````` ~
_4`Dd hkjAlflih!T" 2H*8:6 4.
` IhuvcioKlio4oxrhs4hjHe pKo(lfn?m(lin?oKjz4|@}QvjHhkpxuHcioKlb`t``````````` I"
`Sz:h*giginoxjYgihlfyHuEm(jvs ```t```````````t``````````` I
^ !T99;8:"8A "!,%FT8A%'Z9!vU#8V2H6*6 8M$OQP8:Z&x5+2H)+V24" )+#'%
LJ:6 8:2H%I2H57!vL6\]%=)+5#8AF]L2H)+8x L8E8A'&("]V' J :
D{=?24k*2H\]%'8
$d'
d y4lin?rn gfmLlin?oKjs4h{hkliHn?oxgeklfm(jAl n?jxlfnh Uh jAlr?n?eth ryvnHs4h{z4|@}(h cfmKuHu,oKcillfcfmKn lfh
h gfgfm(jAlin?hkr?rh hkjAl{s4hr?mgie kyHcinlieh j uHcfhknh cr?nh y khNwAyHhgioKjAlr?h guHcfo(lfo:koKr?h gzH|@} hkl z hlYrh yHcfg
oKjTlin?oKjvjHhkhkjAlqgHu,oKyvcvjHn?cvgiyHcyHjvhUn gihth je:n?sHhkjvkh
${
1
$$
Ehkm(cqwAyHhEhuHcfo(lfo4oKr?hz4|@} melfes4eKh roxuHuTeu,oKyvc
oKjTlin?oKjvjHhkcUgoxyvgKJUCz
+m.xh yHjuHcio4kh gfgh yHcK jAlih r
( h glu,oKyvcfwAyHoxndrh*g
Reponse SMB negprot
Client Serveur
Client Serveur
Requete de session Netbios(nom netbios)
Session Netbios autorise
Client Serveur
Client Serveur
Requete SMB TconX
Reponse SMB TconX
Client Serveur
Client Serveur
Requete SMB sessetupX
Reponse SMB sessetupX
Client Serveur
Client Serveur
Requete SMB negprot
I
2
Q lfmKHr?n?gfgh hkjAls] yHjHh
9v`A{uHcf gtr mjHe pKo4n mLlfnoxjNs4huHcfo(lfo4oKr?h ,r?hkrn?hkjAluHcfo4 sHh%yHjvhUn s4h jxlfn ,kmLlfnoxj
hkjy4lin?r?n?gfmLlfhkyHc oxyUh juvm(cilfmKpKh yvgihkc n s4hkjAlinHT mLlin?oKj oKy ig1)Tm(cfh n s4h jxlfn ,kmLlfnoxj
gyHcUr?hgihkc,Khkyvc `Bh gUs4hkylG:u,h gUs] n?s4h jAlinHTkm(lin?oKj gihkcfoKjAlsHhlfmKnr?r?ekh gUsHmKjvg[yvj
*)vm(uHnlicfhgyHn Lm(jAl `
hllfhelfmKuThh*gl{cfe mKrn ge hpxcxhm(yuTmKwAyHhlqgs4hcih*wAyHlfh fz:h gfgfghkliyHuH z:h gfg0
ghkliyHuYuToxyHc fz:h gfginoxjYz:hkliyHuEm(jTs `
h
uTm(cilfm(pxekh s4ycfe0
gh*m(y`Ld y4lfnr?n?gfmLlfhkyHcdgihoKjvjHh lih r mcfh gfgoxyHcqh1 a;= J1n?gfwAyHh g6 uHcfnm(jAlfh gq
gn?uHrh hkjAlm.Kh*yHj;o(lUs4huvmxgigihK`d y4lin?rn gfmLlih yHcUuTh y4lklicfhj nu,oKcilihwAyHn
gyHcr?hcfe gih mKynr r?yHndgiyl
TCP header
SMB command header
DATA
SMB base header
NETBIOS header
!#"$%&('*),+-'./102"3)2452$'6"5&7$8):9
! #"$
%&
' !
()*+,-. +/021436547#"$
%
,-.
+89,:2. 89,:
289,:0;
2?,A@CBD =-E"'-5'=F5#GE03HI9=:
'-"'>
?5'-5E:JK -5E:J+L,77?M
&
()* =-; )-
()* =-0;
%
N,;
%
2-5E #5'$=-5'5'
2?-5E ,99!OPQL"5'
2IR5E =,J=-5",Q-$S5'
2
[
)HhHmKsHe n?m(r]wAyHn$ m(cqmKlfekcfn?gihr?hjHox {hklf} noAgk`
O
oKn nr?h guHcfn?jvn?uvm(r?h gLmKrh yHcfgwAyHhu,hky4l{uvcih jvs4cfhkhgh n n Uh8:6'!T96[%')7\]%8:6
2
mx*)Hn?jHhYd{x6ez:h cI:n h
2mx*)Hn?jHhYd{};Qe ApKh jxl{s4yoKjvn lfhkyHc{cfe gih mKyNz4|zH
2
mx*)Hn?jHhYd{} e z:h cIxhkyHc{z4|z
2
y4lin?rn gfmLlih yHcMd{ 96e yHlin?rn gim(lih yHc{oxjHjHh lier?o: m(r?hkhkjAl
>8:6'!T9;6U#'8 vL!,%$V8A6
2
jHoKgf{s4hUf{s4oKm(n?jHhUd{K6eZ{ox sHypKcfoKyvuThs oxcfs4n?jvm(lihkyvcfg m(yvwAyHh rTr m
'
Y
Y Y k
-
n 0 m(uHcf ggiyHn KhkjAlr?h goxmKjvs4h*gjHe kh gfgimKncfh gUy4lfnr?n?giekh*guvm(cyvjIkrn?hkjAls4e*gn?cfmKjAl
mK e*s4hkcyHjT*)Hn?hkc{giyHcyHjuvmKclqm(pKhz4|@} s4elfhkj:yuvm(cyHjEgihkc,Kh yHc
z4|@}f=Ct|!f{@QKCT*)Hn?hkc*`
z4|@}f=Ct|!f+E+QRA@J (r?hr?nh jAl
oKyHcfjHnl
2ZH=! =+,,I3H
'-"'>
Z8$T,! N 0#11
&
5$,9"'
&
5$,9"'),ETK@^D MM =991E$T.54=,'-5V=:
%&
5$,9"';@ D
h uvmKwAyHhkl'h*glhkj'Ko6GxeduvmKc'r?hr?nh jxlu,oKyHc s4oxjHjHhkc mKy[gh cIxhkyHc'r mr?n?glihs4h*gLxhkcqgn?oKjTg
s4huHcfo(lfo4oKr?h gz4|} wAy n?r$giyHuHu,oKcilihx`
] 4 oKcqsHkoKyHjAlE][(Lm(yHl lfoKy oxyHcqgH`
]};GAlih6oKyHjAl']
h*)vm(uvg ]& m(uvmKHnr?nlin?h gE]En?jvs4n wxyvh ginrhgihkc,Kh yHcYgiyHuHu,oKcilih r?h g*)vm(n?jHh*gT1+ 0
CJ=Q+HoKyYHn?hkjEs4h*g{oxUmKjvs4h g=< | v` I"hkl ]C1h J1oKmKnjv1m(h](`(h yHclfmKnr?rh1yHyHre hh gl>s4oKjvjHekhuvmKcdr m
*)vmKUu ]};GAlih*oxyHjAlE]L`
$mr?oKjvpKyHh yHcs4h ]Qdjvc,G:u4lin?oKjFhGR]h*gl's4oKjHjvekh uvmKc!] QdjvkcIG:u4lfnoxj?FhG4$hkjHp)xl*`$mr?oKj0
pKyvhkyHc$sHh ]C1hk"J1oKm(n?jv1m(h]h gl$s4oxjHjHekh uTm(cr oxuTe cfm(lin?oKjd]};GAlih*oKyvjxl']*0P] QdjTc,GAuHlin?oKj?FhG:$hkjHp)AlE]L`
]C1h "JoxmKnjTm(h]{jHoxyvgs4oxjHjHhrhjvoK s4h
huvmKwAyHhklsHoKjHjHhs4hjvoK[vcih yvgh*g nj
oxcim(lin?oKjvggiyHcr?hgIG4glfkhs4yEr?nh jAl `
h*)Tm(uvgK]k|@m6H} y hkcz:n?kh] h gl$licf g$nu,oKcilfmKjxl& n?r:s4oKjHjvh>r mwAyvm(jAlfn lfe>m64n?[yH
s4hsHoKjHjHe h g
$K uTh cihlsHhuvmKgfghh jvc,G:u4liehl>sHhrhHcfy4lfh
oKcqe
m(n gh r?mUu,hky4l1g m.KkcfhkcuHr?y4lioKl{roxjHpv`?``
Jh*guHcioxpKcqm(h goKhoxu()Al cqmK*/+m.xh zH|@} tcin?jvs4h cq
(sHgjvn oxyHn?hkjUcfh mKs0
gi[T
oKjAls4hr e*oxy4lih
Y S
kYx
$Y
L GE/
@ "95$=D11111111111111111 @C,,,$=D @ $D
d mLlilfmxwxyTm(jAlcihoKnlrhuHcfhkn?hkcuvmxwAyHhl{giyHcrhu,oKcilz4|@} glqm(jvsHmKcfs`
@ "95$=D 11111111111111111;@C,,,=GE/D @ D
@C,,,$=FGG4/D
rcih*s4n?cin?pKhthuvmKwAyHhklgiyHc rhu,oKcil r?o4kmKr I I97H`Az4yHchtuToxcl&AyvjuHcfo.Gh gl h je*oKyHlihK`
c=:L
@ "95$=D11111111111111111 @C,,,$=D @ $D
d mLlilfmxwxyTm(jAl cfhkoKnlr?mUcfh wAyHlfhjHhkpxuHcioKl `
=:L'
@ "95$=D @C,,,=D111111111111111 @ D
rr mUcih*s4ncfn?pKhKhkcqg rh
L
@ "95$=D @C,,,=D111111111111111111111 @ D
T7IL,+="'HL
d mLlilfmxwxyTm(jAl1h j xoKn?h
Y$
QdjyHlin?rn gimKjAl r?h g hl,)Ho4s4h g uHcfh gihkjAlie h gxr mcie*yHu,hkcqmLlfnoxjs4h g o(lqgs4h1uTmKgfghz4|@}
hkj;kr?mKnc