【进阶实战】聊天诈骗升级：私域引导的话术识别封装

local NORM_MAP = { ["威信"] = "微信", ["vx"] = "微信", ["v x"] = "微信",
    ["绿色软件"] = "微信", ["扣扣"] = "QQ" }
local PATTERNS = { "微信", "QQ", "线下", "当面交易", "加我" }
local function normalize(text)
    local t = string.gsub(text, "%s+", "")
    for k, v in pairs(NORM_MAP) do
        t = string.gsub(t, k, v)
    end
    return t
end
local function hitPattern(text)
    local t = normalize(text)
    for _, p in ipairs(PATTERNS) do
        if string.find(t, p, 1, true) then
            return p
        end
    end
    return nil
end
local whispers = {}
local function onWhisper(actorName, toName, text)
    local hit = hitPattern(text)
    if hit == nil then
        return true
    end
    local key = actorName .. "|" .. os.date("%H")
    whispers[key] = (whispers[key] or 0) + 1
    if whispers[key] >= 5 then
        sendmsg(nil, 1, "[风控] " .. actorName .. " 私聊引导行为异常，进入复核。")
        return false
    end
    return true
end

NORM_MAP["v信"] = "微信"