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男子利用漏洞凭空刷银行800万
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Topic: 男子利用漏洞凭空刷银行800万 (Read 308 times)
hdd3go
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男子利用漏洞凭空刷银行800万
September 06, 2015, 10:40:26 AM
#1
利用POS机和某种银行卡的漏洞,犯罪嫌疑人竟能利用借记卡(储蓄卡)“预授权”,凭空刷出巨款。昨日,武昌警方通报,破获一起特大借记卡“预授权”诈骗案,目前,4名嫌疑人已被逮捕,此案即将移送检察机关审查起诉。2014年12月份,武昌区公安分局经侦大队接到某银行报警:当月14日,嫌疑人通过银行借记卡(即储蓄卡)预授权交易,骗取该银行资金800余万元。当年12月23日,武昌区公安分局对该案立案侦查。
案发
银行800余万资金蹊跷被刷走
侦查从资金流向着手,发现多张银行卡上的资金通过两台移动POS机刷走,一台POS机属于广西南宁,一台POS机属于内蒙古二连浩特。再分析这些银行卡,其中有7张卡是案发当天在武汉新开的卡,持卡人张某是湖北宜都人。
今年1月,民警赶到宜都张某老家,张某不在家。民警走访得知,40多岁的张某患有尿毒症,长期租住在宜都市区。民警赶到宜都市查询居住信息,当地派出所民警介绍,张某每周一、三、五要定时到医院做血液透析。民警找到张某后,张某起初拒不承认开卡,警方出示证据后,张某这才交代,是朋友朱某让他办卡,事后朱某给了他10万元好处费。
1月19日清早,民警在汉口一家宾馆抓获朱某。朱某今年25岁,老家在荆州江陵,武汉某大学毕业。朱某交代,刷卡人是29岁的沙洋人杨某。
警方侦查发现,杨某要回老家过年。3月25日,民警跟踪至荆门抓获杨某。初次审讯时,杨某拒不开口,警方进一步梳理资金流向,发现2014年12月14日晚南宁那台移动POS机共刷走300多万元,刷到POS机关联的银行卡后立即被分解,大部分流向杨某的妈妈、妹妹、表哥等人的银行卡。民警找到杨某的妈妈、妹妹、表哥等人,他们称,是杨某打电话通知他们“接收一笔钱”,随后取出现金。
揭秘
利用预授权漏洞套现800余万
春节后,民警北上内蒙古二连浩特,得知另外一台POS机的刷卡人郭某等人已被当地警方抓获。
昨晚,办案民警讲解了犯罪嫌疑人圈钱的过程:先开一张借记卡——往卡里打入一定金额的钱(比如10万)——在有预授权的POS机上刷预授(如比刷10万)——然后刷一笔小额消费(比如1000元)以此解冻此前预授冻结的资金,并迅速将这笔资金转到自己掌握的其他银行卡上——再在POS机上撤销之前的那笔小额消费——再在POS机上通过离线交易再刷预授(10万)……
办案民警介绍,整个过程很复杂,但最关键的一步就在于“再在POS机上通过离线交易再刷预授(10万)”上,因为漏洞的存在,让银行系统误认为其借记卡上还有10万元,这笔钱刷到与POS机关联的银行卡后立即被分解。办案民警说,这伙人前后做了几十笔,涉案金额800余万元。
民警称,涉事银行目前已堵住了这个漏洞。目前,杨某、朱某以及杨某的妹妹、表哥,因涉嫌信用卡诈骗罪均被逮捕。
Abbey_j
Sr. Member
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Activity: 322
Merit: 250
⇾
Re: 男子利用漏洞凭空刷银行800万
September 06, 2015, 01:34:25 PM
#2
一听说ATM丢了钱,银行经理,警察叔叔就急匆匆的赶来了
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男子利用漏洞凭空刷银行800万
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