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CHIqueen

UMDCTF CoolCoin 본문

포렌식/CTF

UMDCTF CoolCoin

사용자 CHIqueen 2020. 4. 23. 02:20

png니까 zsteg를 한번 돌려봤다.

# zsteg -a CoolCoin.png 
imagedata           .. text: "(((&&&\r\r\r"
b2,rgb,lsb,xy       .. file: , 32 kHz, Monaural
b3,g,msb,xy         .. file: MPEG ADTS, layer I, v2, Monaural
b3,b,msb,xy         .. file: MPEG ADTS, layer I, v2, Monaural
b3,bgr,msb,xy       .. file: ddis/ddif
b4,r,msb,xy         .. file: MPEG ADTS, layer I, v2, JntStereo
b4,g,msb,xy         .. text: ["w" repeated 11 times]
b4,b,msb,xy         .. text: ["w" repeated 11 times]
b5,r,lsb,xy         .. file: MPEG ADTS, layer II, v1, Monaural
b5,g,lsb,xy         .. file: MPEG ADTS, layer II, v1, 384 kbps, Monaural
b6,b,msb,xy         .. file: ddis/ddif
b8,r,lsb,xy         .. file: AIX core file fulldump 64-bit
b8,r,msb,xy         .. file: ddis/ddif
b8,g,msb,xy         .. file: ddis/ddif
b8,bgr,lsb,xy       .. file: AIX core file fulldump 64-bit
b1,rgb,lsb,xy,prime .. text: "25:UMDCTF-{in_st3g_we_trus7}"
b6,b,msb,xy,prime   .. file: MPEG ADTS, layer I, v2, Monaural
b6,bgr,msb,xy,prime .. file: MPEG ADTS, layer I, v2, 112 kbps, Monaural
b7,b,lsb,xy,prime   .. file: , 48 kHz, Monaural
b7,bgr,lsb,xy,prime .. file: , 48 kHz, Monaural
b8,g,msb,xy,prime   .. file: RDI Acoustic Doppler Current Profiler (ADCP)
b8,rgb,lsb,xy,prime .. text: ["^" repeated 9 times]
b8,rgb,msb,xy,prime .. file: RDI Acoustic Doppler Current Profiler (ADCP)
b8,bgr,lsb,xy,prime .. text: ["^" repeated 9 times]
b8,bgr,msb,xy,prime .. text: ["z" repeated 9 times]
b4,r,msb,yx         .. text: ["w" repeated 11 times]
b8,rgb,lsb,yx,prime .. text: ["^" repeated 12 times]
b8,rgb,msb,yx,prime .. text: ["z" repeated 12 times]
b4,r,msb,XY         .. text: ["w" repeated 11 times]
b8,rgb,lsb,XY,prime .. text: ["^" repeated 9 times]
b8,rgb,msb,XY,prime .. text: ["z" repeated 9 times]
b4,b,msb,YX         .. text: ["w" repeated 11 times]
b1,g,lsb,Xy         .. file: MPEG ADTS, layer II, v1, 48 kHz, Monaural
b1,b,lsb,Xy         .. file: RDI Acoustic Doppler Current Profiler (ADCP)
b1,rgb,lsb,Xy       .. file: AIX core file fulldump 32-bit
b3,b,lsb,Xy         .. file: AIX core file fulldump 32-bit
b4,r,msb,Xy         .. text: ["w" repeated 11 times]
b4,g,msb,Xy         .. text: ["w" repeated 11 times]
b4,b,msb,Xy         .. text: ["w" repeated 11 times]
b4,rgb,msb,Xy       .. file: MPEG ADTS, layer I, v2, Monaural
b5,rgb,lsb,Xy       .. file: MPEG ADTS, layer II, v1, Monaural
b7,r,lsb,Xy         .. file: AIX core file fulldump 32-bit
b7,b,lsb,Xy         .. file: AIX core file fulldump 32-bit
b8,rgb,msb,Xy       .. file: ddis/ddif
b4,b,msb,yX         .. text: ["w" repeated 11 times]
b4,rgb,msb,yX       .. file: MPEG ADTS, layer I, v2, Monaural
b5,rgb,lsb,yX       .. file: MPEG ADTS, layer II, v1, Monaural
b8,rgb,msb,yX       .. file: ddis/ddif

UMDCTF-{in_st3g_we_trus7}

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