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In the past few years, we have seen an explosive growth in underground services aimed at helping cyber criminals create undetectable payloads, the most famous of which is FUD (completely undetectable) payloads in the secret world. These services range from test services that allow testing payloads against all antivirus software to automatic packagers aimed at confusing malicious documents in a way that makes them undetectable. The screenshot above shows two such services.Before performing an SSL data transfer, Both sides of the communication must first shake hands with SSL, The encryption algorithm has been negotiated to exchange the encryption key, Perform identity authentication, Normally, This SSl handshake process only needs to be performed once, But there is a Regegotiation option in the SSL protocol, It allows renegotiation of the secret key to create a new key, The attacker repeatedly carries out the key renegotiation process, and the key renegotiation process requires the server to invest 15 times more CPU computing resources than the client. In addition, even if the server does not support Renegotiation, the attacker can still create similar attack effects by opening a new SSL connection separately.黄豆断然表示，明天他不去外婆家了，等过几天再去，外婆想必也不会怪他的。听他这么分派，众人既兴奋又紧张。我选择了毒酒，愿赌服输。皇宫中，从太后皇后起，各宫妃嫔都有添箱的嫁妆赐下。夜幕降临，一宗诡异的案件正在慢慢揭开序幕。锦阳市唐龙商贸公司总经理肖云庆像往常一样悄无声息的离开了情人韦彩华的家。就在他走进电梯的同时，一个与他穿戴完全一致的男人掏出了打开韦彩华家门的钥匙。一声凄惨的叫喊声撕裂了繁华小区寂静的夜。是自杀还是他杀？刑警队长鲁炼和梁志强意见相左。经过斟酌，局长决定让鲁炼挑头，组成了由即将退休的王维国、女实习警官徐羽，还有经常犯头疼病的秦淼配合侦破的专案组。