add nmap plugin with some aliases for scan modes

plugins/nmap/README.md

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+# Nmap aliases plugin
+
+Adds some useful aliases for nmap similar to the profiles in zenmap.
+
+Nmap options are:
+ * -sS - TCP SYN scan
+ * -v - verbose
+ * -T1 - timing of scan. Options are paranoid (0), sneaky (1), polite (2), normal (3), aggressive (4), and insane (5)
+ * -sF - FIN scan (can sneak through non-stateful firewalls)
+ * -PE - ICMP echo discovery probe
+ * -PP - timestamp discovery probe
+ * -PY - SCTP init ping
+ * -g - use given number as source port
+ * -A - enable OS detection, version detection, script scanning, and traceroute (aggressive)
+ * -O - enable OS detection
+ * -sA - TCP ACK scan
+ * -F - fast scan
+ * --script=vulscan - also access vulnerabilities in target
+
+## Aliases explained
+
+ * nmap_open_ports - scan for open ports on target
+ * nmap_list_interfaces - list all network interfaces on host where the command runs
+ * nmap_slow - slow scan that avoids to spam the targets logs
+ * nmap_fin - scan to see if hosts are up with TCP FIN scan
+ * nmap_full - aggressive full scan that scans all ports, tries to determine OS and service versions
+ * nmap_check_for_firewall - TCP ACK scan to check for firewall existence
+ * nmap_ping_through_firewall - Host discovery with SYN and ACK probes instead of just pings to avoid firewall
+   restrictions
+ * nmap_fast - Fast scan of the top 300 popular ports
+ * nmap_detect_versions - detects versions of services and OS, runs on all ports
+ * nmap_check_for_vulns - uses vulscan script to check target services for vulnerabilities

plugins/nmap/nmap.plugin.zsh

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+# Some useful nmap aliases for scan modes
+
+# Nmap options are:
+#  -sS - TCP SYN scan
+#  -v - verbose
+#  -T1 - timing of scan. Options are paranoid (0), sneaky (1), polite (2), normal (3), aggressive (4), and insane (5)
+#  -sF - FIN scan (can sneak through non-stateful firewalls)
+#  -PE - ICMP echo discovery probe
+#  -PP - timestamp discovery probe
+#  -PY - SCTP init ping
+#  -g - use given number as source port
+#  -A - enable OS detection, version detection, script scanning, and traceroute (aggressive)
+#  -O - enable OS detection
+#  -sA - TCP ACK scan
+#  -F - fast scan
+#  --script=vulscan - also access vulnerabilities in target
+
+alias nmap_open_ports="nmap --open"
+alias nmap_list_interfaces="nmap --iflist"
+alias nmap_slow="nmap -sS -v -T1"
+alias nmap_fin="nmap -sF -v"
+alias nmap_full="nmap -sS -T4 -PE -PP -PS80,443 -PY -g 53 -A -p1-65535 -v"
+alias nmap_check_for_firewall="nmap -sA -p1-65535 -v -T4"
+alias nmap_ping_through_firewall="nmap -PS -PA"
+alias nmap_fast="nmap -F -T5 --top-ports 300"
+alias nmap_detect_versions="nmap -sV -p1-65535 -O --osscan-guess -T4 -Pn"
+alias nmap_check_for_vulns="nmap --script=vulscan"
+