#alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; metadata: former_category MALWARE; reference:url,doc.emergingthreats.net/2008010; classtype:trojan-activity; sid:2008010; rev:6; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2019-09-19 19:25:44 UTC

Please enter documentation, comments, false positives, or concerns with this signature. Press the Attach button below to add samples or Pcaps.

---

#alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; reference:url,doc.emergingthreats.net/2008010; classtype:trojan-activity; sid:2008010; rev:6; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2018-09-13 19:39:35 UTC

---

Added 2018-09-13 17:53:42 UTC

---

#alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; reference:url,doc.emergingthreats.net/2008010; classtype:trojan-activity; sid:2008010; rev:6; metadata:created_at 2010_07_30, updated_at 2010_07_30;)

Added 2017-08-07 21:01:13 UTC

---

#alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; reference:url,doc.emergingthreats.net/2008010; classtype:trojan-activity; sid:2008010; rev:6;)

Added 2011-10-12 19:24:16 UTC

---

#alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008010; sid:2008010; rev:6;)

Added 2011-09-14 22:37:45 UTC

---

#alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008010; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Delf; sid:2008010; rev:6;)

Added 2011-02-04 17:27:06 UTC

---

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008010; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Delf; sid:2008010; rev:6;)

Added 2009-02-12 18:21:15 UTC

---

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; reference:url,doc.emergingthreats.net/2008010; reference:url,www.emergingthreats.net/cgi-bin/cvsweb.cgi/sigs/VIRUS/TROJAN_Delf; sid:2008010; rev:6;)

Added 2009-02-12 18:21:15 UTC

---

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:5;)

Added 2008-06-24 23:26:43 UTC

---

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:5;)

Added 2008-06-24 23:26:43 UTC

---

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:5;)

Added 2008-06-24 23:24:11 UTC

---

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET any (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:5;)

Added 2008-06-24 23:24:11 UTC

---

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:4;)

Added 2008-03-22 17:11:34 UTC

---

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:4;)

Added 2008-03-22 17:10:58 UTC

---

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET TROJAN Delf CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:4;)

Added 2008-03-22 17:09:49 UTC

---

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET CURRENT_EVENTS Unknown Trojan CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:2;)

Added 2008-03-20 09:10:25 UTC

---

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET CURRENT_EVENTS Unknown Trojan CnC? Channel Keepalive Ping"; flow:established,from_server; dsize:22; content:"|12 00 00 00 1c 5e|"; depth:6; classtype:trojan-activity; sid:2008010; rev:2;)

Added 2008-03-20 09:10:25 UTC

---

alert tcp $EXTERNAL_NET 1024: -> $HOME_NET 1024: (msg:"ET CURRENT_EVENTS Unknown Trojan CnC? Channel Keepalive Ping"; flow:established,to_server; dsize:<25; content:"|12 00 00 00|"; depth:4; classtype:trojan-activity; sid:2008010; rev:1;)

Added 2008-03-17 13:39:49 UTC

RE: 41c62970ea34413c4011b220724bf029

-- MattJonkman - 17 Mar 2008

---