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本文节选自《风控要略》电子版:
1nt66《astcallba5se6ka_encode(、inat6sal)2[{3|inat66v2?//[xsp+58h][xbp-1l8h]4|ink6S65/A/[zsp+60hl[xzbp=-l0h]5|inak64v4;//[xsp+68h][xzbp-8h]6了可必可已1日已画已】93Y2m0OLL;10vam_do_arnm6k(&v2,0LL,252LL,&TDCODE,1328LL,&TDIXE,22LL)1】工|。工OFY2?二12|}》图4.20base64_encode()虚拟化函数反编译后的代码EXPORTbasae64_encodebase64_encode;[TARXREF:,data.reluroi0000000000000Yar_70到~DOx70Yar_5C到~Ox5cCVar58到一DOX5BTar_50O到~0OZ50TBE_攻晶醒一0工上和Var《OO本一DOxkDYar_38本~Ox38Var_3各到一OX3各Yar_30到~Ox30Ya2画一{E28Var_1C本=LslCVar_18=Oxl8号二~Oxl0Yar日一自了BE二站SP,SP,#Oz8o0X29,X30,[SP,#Ox70+vars0]X29,SP,#0x7T0ZX8B,X29,#-VaC_189,MIZRW2,#DxFCX10,#TDCODEBPRGEX3,IX10,#TDCODESPAGEOFFX4,#Ox530X10,#TDIXEPRGE1oc_FE&X5,X10,#TDXX8PAGEOFFX6,#Oxl16WII,儿工X10,IX29,亲-6WW11,WESR了12,李后X0,[X29,#var_8]IX0,Xl0O;全,WIILW2,[X29,#vac1C]X2,X1L2;卫X10,[X29,#var_28]I8B,[I29,#var_30]W9,[X29,#vVar34]W7,[SP,#Ox7O+Var38]X3,[SP,#Ox70+var《0]X4,[SP,#OxTO+var48]ZX5,[SP,#Ox7O+var50]ZX6,[SPp,#0Ox70+var58]2esaSsetX8B,[X29,#var8]X6,[IX29,#s]XZR,[X29,#var_18]IZ0,[I29,#var_30]Wil,[IX29,,#Yar34]HW2,[IX29,#Var_1C]X3,[S5P,#Ox70+var40]X4,[SP,#Ox7O+var4&8]II5,[SP,#Ox7T0O+var_50]IX6,[SP,#Ox7O+vVar58]WII,[SP,#Oxz70O+var38]X86,[IX29,#var26]X8,[SP,#0zx70+var_70]VEL_dO_ara64IX8B,[IX29,#Yar18]WO,[SP,#Ox70O+YaF5C]ZX0,IX8X29,X30,[SP,#Ox70+var_s0]SP,SP,#0Ox80和和)Enadoffunctionabase64_encode图4.21base64_encode()虚拟化函数的汇编代码我们将翻译后的自定义指令、常量、资源写到.data段。vm_do_arm64对应的是虚拟机的解释器函数,用于解释执行自定义指令,如图4.22所示。ORG0OxlFC0OzF5,0OxzF,0zlD,0zF8,0zxzF4,0zxzkF,1,0zh9,0OxzFD,0x7B)DRTRAXREF:base64decode+181o上baae64decode+rlcTo..。2,0zah9,0xFD,0x83,0,0xz91,0xF
风控要略电子书
3,3,0,0Ozxaha,00,0,0x94,0xEB,0xF3,0,0xB2,0xcB,0Oxhh,O0OxBRDOzxF2,8,O0OxzTC,0x486,0z9B,8,0OxFrD,0x48,Ozx8B,935,8B,0Oz8B,0zl4,0,9,0OxEB,8,0xzF5,0xz7TE,0xzD3393,0xzll,0,0x91,0x15,1,0x89,0x9&A,0xzh0,2,0xk00OzxB2,0,0,0,0x94,8,0,0x80,0x52,0zxzlF,0x680x35,0x38,0OxBF,0OxE,0,0xFl,0OxahB,3,0,0x54,80,0x80,0xD2,0xah9,0xh,0,0xD1,0Ox6Rh,Oxh,0,0Ox91DOxzB,OrzrcC,0,0x91,0Oxc,0,0,0xz90,D0xBc,1,0,0Ox91DOxaD,0OxEl,0x5F,0x38,0OxahE,0OxFD,0xka2,0xD3,0Ox8EDOxz69,Dx6E,0x386,0xz6F,1,8,0xz8B,0OxEE,0xD1,0OxlFOrzx38,ODOx4E,O0OxFl,0OxsF,0Ox38,0xzD0,0xz7D,&,0x530xB0,5,0OxlC,0x33,0x8D,0x49,0xz70,0x38,0xEDDOzxzEl,OzxlF,0xz38,0Oxzk4D,0x35,0x40,0xz38,0xzB0,0x7D0Oxa6,0xzD3,0xzD0,0xzD,0xlE,0xz33,0Ox8E,O0zxk9,0x70DOzxz38,DOxEE,OxzFl,0xzlF,0Oxz38,0OzxzahD,Ozxzl15,D0zx0,O0zxz920Ox8D,0zxz69,0x6D,0x38,0OxED,1,0,0x39,8,0Oxll0,0xz91,0OxzlF,1,9,0OxEB,0Ox8BE,OxFD,OxFF,Ox5&DOzxEB,3,0Oxzl5,0Ozxah,0Ox9F,0Oxh,0,0OxzFrl,0Oxzc0,0,00x54,0Ox9F,6,0,0xFl,0OxEl,0,0,0x5&,9,0xCc00Ozxz28,0zxz8B,O0Oxaha,7,0x80,0x52,0x2&8,0OxE1L1,0Ox1lF0Ox38,8,0Oxc0,0x28,0xz8B,0Oxa9,7T,0zxz80,0x52,9DOxFl,0OxlF,0Oz38,0OxFD,0Ox7B,O0xk2,0Dxahog,0OxF4,DxkFDOzxal,0xza9,0xzFr5s,7,0xda3,0xzFr8,0xzc0,3,0x5sF,0xD6OxF5,OxF,0OxzlD,0OxFB,0OxF4,Ox4F,1,0xah9,O0OxFD,0x7TB2,0Oxzaho,0OxFD,0Ox83,0,0Ox91,0OxF3,3,0,0Ozxaha,00,0,0zx94,0OzxzFr4a,3,0,0Ozahh,1L1,0,0,0zxz90,0Oxz210,0,0xz91,0xE0,3,0xzl3,0Oxhh,0,0,0,0x94,01,0,0zB4,0x88,0zE,0,0x91,0xz9F,2,0,0zFl1,80OxBl,0x94,0x98&,8,0OxFD,0xk2,0xz93,8,5,8,OxBB0Oxl15,9,0,0xzDl,0xzc,0,0,0xl4,0Oxal,7,0Oxz80,0x52OxE0,3,0xzl3,0Oxah,0,0,0,0zx94,0xz8B,0xzE,0,0zx91DO
风控要略互联网业务反欺诈之路pdf
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