#alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"ET DELETED Possible Image Spam Inbound (simple rule)"; flow:established,to_server; content:"Content-Transfer-Encoding|3A|"; content:"AMAgAOAgAABAACBAAEBAAGBAAIBAAKBAAMBAAOBAAABgACBgAEBgAGBgAIBgAKBgAMBgAOBg"; depth:575; content:"AACAACCAAECAAGCAAICAAKCAAMCAAOCAAACgACCgAECgAGCgAICgAKCgAMCgAOCgAADAACDA"; content:"AEDAAGDAAIDAAKDAAMDAAODAAADgACDgAEDgAGDgAIDgAKDgAMDgAODgAAAAQCAAQEAAQGAA"; reference:url,doc.emergingthreats.net/2003096; classtype:misc-activity; sid:2003096; rev:4; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2018-09-13 19:38:32 UTC

Added 2018-09-13 17:53:06 UTC

#alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"ET DELETED Possible Image Spam Inbound (simple rule)"; flow:established,to_server; content:"Content-Transfer-Encoding|3A|"; content:"AMAgAOAgAABAACBAAEBAAGBAAIBAAKBAAMBAAOBAAABgACBgAEBgAGBgAIBgAKBgAMBgAOBg"; depth:575; content:"AACAACCAAECAAGCAAICAAKCAAMCAAOCAAACgACCgAECgAGCgAICgAKCgAMCgAOCgAADAACDA"; content:"AEDAAGDAAIDAAKDAAMDAAODAAADgACDgAEDgAGDgAIDgAKDgAMDgAODgAAAAQCAAQEAAQGAA"; reference:url,doc.emergingthreats.net/2003096; classtype:misc-activity; sid:2003096; rev:4; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 20:56:28 UTC

##alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"ET DELETED Possible Image Spam Inbound (simple rule)"; flow:established,to_server; content:"Content-Transfer-Encoding|3A|"; content:"AMAgAOAgAABAACBAAEBAAGBAAIBAAKBAAMBAAOBAAABgACBgAEBgAGBgAIBgAKBgAMBgAOBg"; depth:575; content:"AACAACCAAECAAGCAAICAAKCAAMCAAOCAAACgACCgAECgAGCgAICgAKCgAMCgAOCgAADAACDA"; content:"AEDAAGDAAIDAAKDAAMDAAODAAADgACDgAEDgAGDgAIDgAKDgAMDgAODgAAAAQCAAQEAAQGAA"; reference:url,doc.emergingthreats.net/2003096; classtype:misc-activity; sid:2003096; rev:4;)

Added 2011-10-12 19:12:51 UTC

##alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"ET DELETED Possible Image Spam Inbound (simple rule)"; flow:established,to_server; content:"Content-Transfer-Encoding|3A|"; content:"AMAgAOAgAABAACBAAEBAAGBAAIBAAKBAAMBAAOBAAABgACBgAEBgAGBgAIBgAKBgAMBgAOBg"; depth:575; content:"AACAACCAAECAAGCAAICAAKCAAMCAAOCAAACgACCgAECgAGCgAICgAKCgAMCgAOCgAADAACDA"; content:"AEDAAGDAAIDAAKDAAMDAAODAAADgACDgAEDgAGDgAIDgAKDgAMDgAODgAAAAQCAAQEAAQGAA"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2003096; sid:2003096; rev:4;)

Added 2011-09-14 22:25:49 UTC

##alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"ET DELETED Possible Image Spam Inbound (simple rule)"; flow:established,to_server; content:"Content-Transfer-Encoding|3A|"; content:"AMAgAOAgAABAACBAAEBAAGBAAIBAAKBAAMBAAOBAAABgACBgAEBgAGBgAIBgAKBgAMBgAOBg"; depth:575; content:"AACAACCAAECAAGCAAICAAKCAAMCAAOCAAACgACCgAECgAGCgAICgAKCgAMCgAOCgAADAACDA"; content:"AEDAAGDAAIDAAKDAAMDAAODAAADgACDgAEDgAGDgAIDgAKDgAMDgAODgAAAAQCAAQEAAQGAA"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2003096; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_ImageSpam; sid:2003096; rev:4;)

Added 2011-02-04 17:22:15 UTC

alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"ET POLICY Possible Image Spam Inbound (simple rule)"; flow:established,to_server; content:"Content-Transfer-Encoding|3A|"; content:"AMAgAOAgAABAACBAAEBAAGBAAIBAAKBAAMBAAOBAAABgACBgAEBgAGBgAIBgAKBgAMBgAOBg"; depth:575; content:"AACAACCAAECAAGCAAICAAKCAAMCAAOCAAACgACCgAECgAGCgAICgAKCgAMCgAOCgAADAACDA"; content:"AEDAAGDAAIDAAKDAAMDAAODAAADgACDgAEDgAGDgAIDgAKDgAMDgAODgAAAAQCAAQEAAQGAA"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2003096; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_ImageSpam; sid:2003096; rev:4;)

Added 2009-02-11 19:15:23 UTC

alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"ET POLICY Possible Image Spam Inbound (simple rule)"; flow:established,to_server; content:"Content-Transfer-Encoding|3A|"; content:"AMAgAOAgAABAACBAAEBAAGBAAIBAAKBAAMBAAOBAAABgACBgAEBgAGBgAIBgAKBgAMBgAOBg"; depth:575; content:"AACAACCAAECAAGCAAICAAKCAAMCAAOCAAACgACCgAECgAGCgAICgAKCgAMCgAOCgAADAACDA"; content:"AEDAAGDAAIDAAKDAAMDAAODAAADgACDgAEDgAGDgAIDgAKDgAMDgAODgAAAAQCAAQEAAQGAA"; classtype:misc-activity; reference:url,doc.emergingthreats.net/2003096; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/POLICY/POLICY_ImageSpam; sid:2003096; rev:4;)

Added 2009-02-11 19:15:23 UTC

alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"ET POLICY Possible Image Spam Inbound (simple rule)"; flow:established,to_server; content:"Content-Transfer-Encoding|3A|"; content:"AMAgAOAgAABAACBAAEBAAGBAAIBAAKBAAMBAAOBAAABgACBgAEBgAGBgAIBgAKBgAMBgAOBg"; depth:575; content:"AACAACCAAECAAGCAAICAAKCAAMCAAOCAAACgACCgAECgAGCgAICgAKCgAMCgAOCgAADAACDA"; content:"AEDAAGDAAIDAAKDAAMDAAODAAADgACDgAEDgAGDgAIDgAKDgAMDgAODgAAAAQCAAQEAAQGAA"; classtype:misc-activity; sid:2003096; rev:3;)

Added 2008-06-23 16:58:07 UTC

alert tcp $EXTERNAL_NET any -> $HOME_NET 25 (msg:"ET POLICY Possible Image Spam Inbound (simple rule)"; flow:established,to_server; content:"Content-Transfer-Encoding|3A|"; content:"AMAgAOAgAABAACBAAEBAAGBAAIBAAKBAAMBAAOBAAABgACBgAEBgAGBgAIBgAKBgAMBgAOBg"; depth:575; content:"AACAACCAAECAAGCAAICAAKCAAMCAAOCAAACgACCgAECgAGCgAICgAKCgAMCgAOCgAADAACDA"; content:"AEDAAGDAAIDAAKDAAMDAAODAAADgACDgAEDgAGDgAIDgAKDgAMDgAODgAAAAQCAAQEAAQGAA"; classtype:misc-activity; sid:2003096; rev:3;)

Added 2008-06-23 16:58:07 UTC

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 25 (msg:"ET POLICY Possible Image Spam Inbound (simple rule)"; flow:established,to_server; content:"Content-Transfer-Encoding|3A|"; content:"AMAgAOAgAABAACBAAEBAAGBAAIBAAKBAAMBAAOBAAABgACBgAEBgAGBgAIBgAKBgAMBgAOBg"; depth:575; content:"AACAACCAAECAAGCAAICAAKCAAMCAAOCAAACgACCgAECgAGCgAICgAKCgAMCgAOCgAADAACDA"; content:"AEDAAGDAAIDAAKDAAMDAAODAAADgACDgAEDgAGDgAIDgAKDgAMDgAODgAAAAQCAAQEAAQGAA"; classtype:misc-activity; sid:2003096; rev:2;)

Added 2008-01-31 18:48:09 UTC

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 25 (msg:"ET POLICY Possible Image Spam Inbound (simple rule)"; flow:established,to_server; content:"Content-Transfer-Encoding|3A|"; content:"AMAgAOAgAABAACBAAEBAAGBAAIBAAKBAAMBAAOBAAABgACBgAEBgAGBgAIBgAKBgAMBgAOBg"; depth:575; content:"AACAACCAAECAAGCAAICAAKCAAMCAAOCAAACgACCgAECgAGCgAICgAKCgAMCgAOCgAADAACDA"; content:"AEDAAGDAAIDAAKDAAMDAAODAAADgACDgAEDgAGDgAIDgAKDgAMDgAODgAAAAQCAAQEAAQGAA"; classtype:misc-activity; sid:2003096; rev:2;)

Added 2008-01-31 18:48:09 UTC

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 25 (msg:"BLEEDING-EDGE POLICY Possible Image Spam Inbound (simple rule)"; flow:established,to_server; content:"Content-Transfer-Encoding|3A|"; content:"AMAgAOAgAABAACBAAEBAAGBAAIBAAKBAAMBAAOBAAABgACBgAEBgAGBgAIBgAKBgAMBgAOBg"; depth:575; content:"AACAACCAAECAAGCAAICAAKCAAMCAAOCAAACgACCgAECgAGCgAICgAKCgAMCgAOCgAADAACDA"; content:"AEDAAGDAAIDAAKDAAMDAAODAAADgACDgAEDgAGDgAIDgAKDgAMDgAODgAAAAQCAAQEAAQGAA"; classtype:misc-activity; sid:2003096; rev:1;)