Function Graph 0Basic Block 0Opcode: 55sub_804b770:Opcode: 55push    ebpOpcode: 89 e5mov     ebpespOpcode: 56push    esiOpcode: 81 ec e4 00 00 00sub     esp0xe4 {var_ec}Opcode: 8b 45 0cmov     eaxdword [ebp+0xc {arg_8}]Opcode: 8b 4d 08mov     ecxdword [ebp+0x8 {arg_4}]Opcode: 89 4d f4mov     dword [ebp-0xc {var_10}]ecxOpcode: 89 45 f0mov     dword [ebp-0x10 {var_14}]eaxOpcode: 81 7d f4 00 00 00 00cmp     dword [ebp-0xc {var_10}]0x0Opcode: 0f 85 17 00 00 00jne     0x804b7aaBasic Block 1Opcode: 81 7d f0 00 00 00 00cmp     dword [ebp-0x10 {var_14}]0x0Opcode: 0f 85 17 00 00 00jne     0x804b7ceBasic Block 2Opcode: 8d 05 ac 02 05 08lea     eax[data_80502ac]  {"Invalid username"}Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 df dd ff ffcall    sub_8049580Opcode: c6 45 fb 00mov     byte [ebp-0x5 {var_9}]0x0Opcode: e9 db 03 00 00jmp     0x804bb85Basic Block 3Opcode: 8d 05 a7 02 05 08lea     eax[data_80502a7]  {"root"}Opcode: 8b 0d 7c 56 06 08mov     ecxdword [data_806567c]Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: 89 44 24 04mov     dword [esp+0x4 {var_e8}]eaxOpcode: e8 aa 42 00 00call    sub_804fa90Opcode: 3d 00 00 00 00cmp     eax0x0Opcode: 0f 84 17 00 00 00je      0x804b808Basic Block 4Opcode: 8d 05 10 03 05 08lea     eax[data_8050310]  {"Invalid password"}Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 bb dd ff ffcall    sub_8049580Opcode: c6 45 fb 00mov     byte [ebp-0x5 {var_9}]0x0Opcode: e9 b7 03 00 00jmp     0x804bb85Basic Block 5Opcode: 0f b6 45 fbmovzx   eaxbyte [ebp-0x5 {var_9}]Opcode: 81 c4 e4 00 00 00add     esp0xe4 {var_8}Opcode: 5epop     esiOpcode: 5dpop     ebpOpcode: c3retn    Basic Block 6Opcode: 8b 45 f4mov     eaxdword [ebp-0xc {var_10}]Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 7d 3e 00 00call    sub_804f690Opcode: 3d 20 00 00 00cmp     eax0x20Opcode: 0f 86 17 00 00 00jbe     0x804b835Basic Block 7Opcode: 8d 05 9f 02 05 08lea     eax[data_805029f]  {"Must be root"}Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 81 dd ff ffcall    sub_8049580Opcode: c6 45 fb 00mov     byte [ebp-0x5 {var_9}]0x0Opcode: e9 7d 03 00 00jmp     0x804bb85Basic Block 8Opcode: 8b 45 f0mov     eaxdword [ebp-0x10 {var_14}]Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 50 3e 00 00call    sub_804f690Opcode: 3d 20 00 00 00cmp     eax0x20Opcode: 0f 86 17 00 00 00jbe     0x804b862Basic Block 9Opcode: 8d 05 ac 02 05 08lea     eax[data_80502ac]  {"Invalid username"}Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 54 dd ff ffcall    sub_8049580Opcode: c6 45 fb 00mov     byte [ebp-0x5 {var_9}]0x0Opcode: e9 50 03 00 00jmp     0x804bb85Basic Block 10Opcode: 8b 45 f4mov     eaxdword [ebp-0xc {var_10}]Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 83 fd ff ffcall    sub_804b5f0Opcode: 3c 00cmp     al0x0Opcode: 0f 84 17 00 00 00je      0x804b88cBasic Block 11Opcode: 8d 05 10 03 05 08lea     eax[data_8050310]  {"Invalid password"}Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 27 dd ff ffcall    sub_8049580Opcode: c6 45 fb 00mov     byte [ebp-0x5 {var_9}]0x0Opcode: e9 23 03 00 00jmp     0x804bb85Basic Block 12Opcode: 8d 05 2e 00 05 08lea     eax[data_805002e]  {"passwd"}Opcode: 8d 0d df 01 05 08lea     ecx[data_80501df]Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: 89 4c 24 04mov     dword [esp+0x4 {var_e8}]ecxOpcode: e8 0c e7 ff ffcall    sub_8049fb0Opcode: 89 45 ecmov     dword [ebp-0x14 {var_18}]eaxOpcode: 3d 00 00 00 00cmp     eax0x0Opcode: 0f 85 17 00 00 00jne     0x804b8c9Basic Block 13Opcode: 8d 05 21 03 05 08lea     eax[data_8050321]  {"User already exists"}Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 fd dc ff ffcall    sub_8049580Opcode: c6 45 fb 00mov     byte [ebp-0x5 {var_9}]0x0Opcode: e9 f9 02 00 00jmp     0x804bb85Basic Block 14Opcode: 8d 05 35 03 05 08lea     eax[data_8050335]  {"~passwd"}Opcode: 8d 0d 28 00 05 08lea     ecx[data_8050028]Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: 89 4c 24 04mov     dword [esp+0x4 {var_e8}]ecxOpcode: e8 cf e6 ff ffcall    sub_8049fb0Opcode: 89 45 e8mov     dword [ebp-0x18 {var_1c}]eaxOpcode: 3d 00 00 00 00cmp     eax0x0Opcode: 0f 85 28 00 00 00jne     0x804b917Basic Block 15Opcode: 8d 05 d3 02 05 08lea     eax[data_80502d3]  {"Unable to open passwd file"}Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 c0 dc ff ffcall    sub_8049580Opcode: c6 45 fb 00mov     byte [ebp-0x5 {var_9}]0x0Opcode: e9 bc 02 00 00jmp     0x804bb85Basic Block 16Opcode: e9 00 00 00 00jmp     0x804b91cBasic Block 17Opcode: 8d 05 3d 03 05 08lea     eax[data_805033d]  {"Unable to open tmp passwd file"}Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 83 dc ff ffcall    sub_8049580Opcode: 8b 45 ecmov     eaxdword [ebp-0x14 {var_18}]Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 c8 eb ff ffcall    sub_804a4d0Opcode: c6 45 fb 00mov     byte [ebp-0x5 {var_9}]0x0Opcode: 88 85 67 ff ff ffmov     byte [ebp-0x99 {var_9d}]alOpcode: e9 6e 02 00 00jmp     0x804bb85Basic Block 18Opcode: b8 7f 00 00 00mov     eax0x7fOpcode: 8d 8d 68 ff ff fflea     ecx[ebp-0x98] {var_9c}Opcode: 8b 55 ecmov     edxdword [ebp-0x14 {var_18}]Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: c7 44 24 04 7f 00 00 00mov     dword [esp+0x4 {var_e8}]0x7fOpcode: 89 54 24 08mov     dword [esp+0x8 {var_e4}]edxOpcode: 89 85 60 ff ff ffmov     dword [ebp-0xa0 {var_a4}]eaxOpcode: e8 dc ee ff ffcall    sub_804a820Opcode: 3d 00 00 00 00cmp     eax0x0Opcode: 0f 84 67 01 00 00je      0x804bab6Basic Block 19Opcode: 8d 05 7c 03 05 08lea     eax[data_805037c]  {"$s:$s"}Opcode: 8d 8d 68 ff ff fflea     ecx[ebp-0x98] {var_9c}Opcode: 8b 55 f4mov     edxdword [ebp-0xc {var_10}]Opcode: 8b 75 f0mov     esidword [ebp-0x10 {var_14}]Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: 89 44 24 04mov     dword [esp+0x4 {var_e8}]eaxOpcode: 89 54 24 08mov     dword [esp+0x8 {var_e4}]edxOpcode: 89 74 24 0cmov     dword [esp+0xc {var_e0}]esiOpcode: e8 f4 22 00 00call    sub_804ddd0Opcode: 8d 8d 68 ff ff fflea     ecx[ebp-0x98] {var_9c}Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: 89 85 44 ff ff ffmov     dword [ebp-0xbc {var_c0}]eaxOpcode: 89 8d 40 ff ff ffmov     dword [ebp-0xc0 {var_c4}]ecxOpcode: e8 9a 3b 00 00call    sub_804f690Opcode: b9 01 00 00 00mov     ecx0x1Opcode: 8b 55 e8mov     edxdword [ebp-0x18 {var_1c}]Opcode: 8b b5 40 ff ff ffmov     esidword [ebp-0xc0 {var_c4}]Opcode: 89 34 24mov     dword [esp {var_ec}]esiOpcode: 89 44 24 04mov     dword [esp+0x4 {var_e8}]eaxOpcode: c7 44 24 08 01 00 00 00mov     dword [esp+0x8 {var_e4}]0x1Opcode: 89 54 24 0cmov     dword [esp+0xc {var_e0}]edxOpcode: 89 8d 3c ff ff ffmov     dword [ebp-0xc4 {var_c8}]ecxOpcode: e8 ae eb ff ffcall    sub_804a6d0Opcode: 8b 4d ecmov     ecxdword [ebp-0x14 {var_18}]Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: 89 85 38 ff ff ffmov     dword [ebp-0xc8 {var_cc}]eaxOpcode: e8 9d e9 ff ffcall    sub_804a4d0Opcode: 8b 4d e8mov     ecxdword [ebp-0x18 {var_1c}]Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: 88 85 37 ff ff ffmov     byte [ebp-0xc9 {var_cd}]alOpcode: e8 8c e9 ff ffcall    sub_804a4d0Opcode: 8d 0d 2e 00 05 08lea     ecx[data_805002e]  {"passwd"}Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: 88 85 36 ff ff ffmov     byte [ebp-0xca {var_ce}]alOpcode: e8 68 f3 ff ffcall    sub_804aec0Opcode: 8d 0d 35 03 05 08lea     ecx[data_8050335]  {"~passwd"}Opcode: 8d 15 2e 00 05 08lea     edx[data_805002e]  {"passwd"}Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: 89 54 24 04mov     dword [esp+0x4 {var_e8}]edxOpcode: 88 85 35 ff ff ffmov     byte [ebp-0xcb {var_cf}]alOpcode: e8 ba f5 ff ffcall    sub_804b130Opcode: 88 85 34 ff ff ffmov     byte [ebp-0xcc {var_d0}]alOpcode: e8 4f da ff ffcall    sub_80495d0Opcode: c6 45 fb 01mov     byte [ebp-0x5 {var_9}]0x1Basic Block 20Opcode: 8d 85 68 ff ff fflea     eax[ebp-0x98] {var_9c}Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: 89 85 5c ff ff ffmov     dword [ebp-0xa4 {var_a8}]eaxOpcode: e8 2d 3d 00 00call    sub_804f690Opcode: b9 01 00 00 00mov     ecx0x1Opcode: 8b 55 e8mov     edxdword [ebp-0x18 {var_1c}]Opcode: 8b b5 5c ff ff ffmov     esidword [ebp-0xa4 {var_a8}]Opcode: 89 34 24mov     dword [esp {var_ec}]esiOpcode: 89 44 24 04mov     dword [esp+0x4 {var_e8}]eaxOpcode: c7 44 24 08 01 00 00 00mov     dword [esp+0x8 {var_e4}]0x1Opcode: 89 54 24 0cmov     dword [esp+0xc {var_e0}]edxOpcode: 89 8d 58 ff ff ffmov     dword [ebp-0xa8 {var_ac}]ecxOpcode: e8 41 ed ff ffcall    sub_804a6d0Opcode: 8d 8d 68 ff ff fflea     ecx[ebp-0x98] {var_9c}Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: 89 85 54 ff ff ffmov     dword [ebp-0xac {var_b0}]eaxOpcode: e8 ed 3c 00 00call    sub_804f690Opcode: 8b 8d 54 ff ff ffmov     ecxdword [ebp-0xac {var_b0}]Opcode: 39 c1cmp     ecxeaxOpcode: 0f 84 4d 00 00 00je      0x804b9feBasic Block 21Opcode: 8d 85 68 ff ff fflea     eax[ebp-0x98] {var_9c}Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 84 3c 00 00call    sub_804f690Opcode: 2d 01 00 00 00sub     eax0x1Opcode: 0f be 84 05 68 ff ff ffmovsx   eaxbyte [ebp+eax-0x98] {var_4}Opcode: 3d 0a 00 00 00cmp     eax0xaOpcode: 0f 84 8d 00 00 00je      0x804bab1Basic Block 22Opcode: 8b 45 ecmov     eaxdword [ebp-0x14 {var_18}]Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 14 eb ff ffcall    sub_804a4d0Opcode: 8b 4d e8mov     ecxdword [ebp-0x18 {var_1c}]Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: 88 85 53 ff ff ffmov     byte [ebp-0xad {var_b1}]alOpcode: e8 03 eb ff ffcall    sub_804a4d0Opcode: 8d 0d 5c 03 05 08lea     ecx[data_805035c]  {"Unable to write tmp passwd file"}Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: 88 85 52 ff ff ffmov     byte [ebp-0xae {var_b2}]alOpcode: e8 9f db ff ffcall    sub_8049580Opcode: 8d 0d 35 03 05 08lea     ecx[data_8050335]  {"~passwd"}Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: e8 d1 f4 ff ffcall    sub_804aec0Opcode: c6 45 fb 00mov     byte [ebp-0x5 {var_9}]0x0Opcode: 88 85 51 ff ff ffmov     byte [ebp-0xaf {var_b3}]alOpcode: e9 87 01 00 00jmp     0x804bb85Basic Block 23Opcode: e9 66 fe ff ffjmp     0x804b91cBasic Block 24Opcode: 8d 05 05 04 05 08lea     eax[data_8050405]Opcode: b9 01 00 00 00mov     ecx0x1Opcode: 8b 55 e8mov     edxdword [ebp-0x18 {var_1c}]Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: c7 44 24 04 01 00 00 00mov     dword [esp+0x4 {var_e8}]0x1Opcode: c7 44 24 08 01 00 00 00mov     dword [esp+0x8 {var_e4}]0x1Opcode: 89 54 24 0cmov     dword [esp+0xc {var_e0}]edxOpcode: 89 8d 4c ff ff ffmov     dword [ebp-0xb4 {var_b8}]ecxOpcode: e8 7c ec ff ffcall    sub_804a6d0Opcode: 3d 01 00 00 00cmp     eax0x1Opcode: 0f 84 4d 00 00 00je      0x804baacBasic Block 25Opcode: e9 00 00 00 00jmp     0x804bab1Basic Block 26Opcode: 8b 45 ecmov     eaxdword [ebp-0x14 {var_18}]Opcode: 89 04 24mov     dword [esp {var_ec}]eaxOpcode: e8 66 ea ff ffcall    sub_804a4d0Opcode: 8b 4d e8mov     ecxdword [ebp-0x18 {var_1c}]Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: 88 85 4b ff ff ffmov     byte [ebp-0xb5 {var_b9}]alOpcode: e8 55 ea ff ffcall    sub_804a4d0Opcode: 8d 0d 5c 03 05 08lea     ecx[data_805035c]  {"Unable to write tmp passwd file"}Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: 88 85 4a ff ff ffmov     byte [ebp-0xb6 {var_ba}]alOpcode: e8 f1 da ff ffcall    sub_8049580Opcode: 8d 0d 35 03 05 08lea     ecx[data_8050335]  {"~passwd"}Opcode: 89 0c 24mov     dword [esp {var_ec}]ecxOpcode: e8 23 f4 ff ffcall    sub_804aec0Opcode: c6 45 fb 00mov     byte [ebp-0x5 {var_9}]0x0Opcode: 88 85 49 ff ff ffmov     byte [ebp-0xb7 {var_bb}]alOpcode: e9 d9 00 00 00jmp     0x804bb85